#1368 Restructures Message and Event filter framework.

src/main/java/io/github/dsheirer/channel/metadata/NowPlayingPanel.java

@@ -25,26 +25,21 @@ import io.github.dsheirer.gui.power.ChannelPowerPanel;
 import io.github.dsheirer.icon.IconModel;
 import io.github.dsheirer.module.decode.event.DecodeEventPanel;
 import io.github.dsheirer.module.decode.event.MessageActivityPanel;
-import io.github.dsheirer.module.decode.event.filter.lastheard.LastHeardPanel;
-import io.github.dsheirer.module.decode.event.filter.lastseen.LastSeenPanel;
 import io.github.dsheirer.playlist.PlaylistManager;
 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.settings.SettingsManager;
 import java.awt.Color;
 import net.miginfocom.swing.MigLayout;
 
-import javax.swing.*;
-import java.awt.*;
+import javax.swing.JPanel;
 
 public class NowPlayingPanel extends JPanel
 {
-    private ChannelMetadataPanel mChannelMetadataPanel;
-    private ChannelDetailPanel mChannelDetailPanel;
-    private DecodeEventPanel mDecodeEventPanel;
-    private LastSeenPanel mLastSeenPanel;
-    private LastHeardPanel mLastHeardPanel;
-    private MessageActivityPanel mMessageActivityPanel;
-    private ChannelPowerPanel mChannelPowerPanel;
+    private final ChannelMetadataPanel mChannelMetadataPanel;
+    private final ChannelDetailPanel mChannelDetailPanel;
+    private final DecodeEventPanel mDecodeEventPanel;
+    private final MessageActivityPanel mMessageActivityPanel;
+    private final ChannelPowerPanel mChannelPowerPanel;
 
     /**
      * GUI panel that combines the currently decoding channels metadata table and viewers for channel details,
@@ -55,8 +50,6 @@ public class NowPlayingPanel extends JPanel
     {
         mChannelDetailPanel = new ChannelDetailPanel(playlistManager.getChannelProcessingManager());
         mDecodeEventPanel = new DecodeEventPanel(iconModel, userPreferences, playlistManager.getAliasModel());
-        mLastSeenPanel = new LastSeenPanel(iconModel, userPreferences, playlistManager.getAliasModel());
-        mLastHeardPanel = new LastHeardPanel(iconModel, userPreferences, playlistManager.getAliasModel());
         mMessageActivityPanel = new MessageActivityPanel(userPreferences);
         mChannelMetadataPanel = new ChannelMetadataPanel(playlistManager, iconModel, userPreferences);
         mChannelPowerPanel = new ChannelPowerPanel(playlistManager, settingsManager);
@@ -71,13 +64,15 @@ public class NowPlayingPanel extends JPanel
         JideTabbedPane tabbedPane = new JideTabbedPane();
         tabbedPane.addTab("Details", mChannelDetailPanel);
         tabbedPane.addTab("Events", mDecodeEventPanel);
-        tabbedPane.addTab("Last Seen", mLastSeenPanel);
-        tabbedPane.addTab("Last Heard", mLastHeardPanel);
         tabbedPane.addTab("Messages", mMessageActivityPanel);
         tabbedPane.addTab("Channel", mChannelPowerPanel);
         tabbedPane.setFont(this.getFont());
         tabbedPane.setForeground(Color.BLACK);
 
+        //Register state change listener to toggle visibility state for channel tab to turn-on/off FFT processing
+        tabbedPane.addChangeListener(e -> mChannelPowerPanel.setPanelVisible(tabbedPane.getSelectedIndex() == tabbedPane
+                .indexOfComponent(mChannelPowerPanel)));
+
         JideSplitPane splitPane = new JideSplitPane(JideSplitPane.VERTICAL_SPLIT);
         splitPane.setShowGripper(true);
         splitPane.add(mChannelMetadataPanel);
@@ -86,8 +81,6 @@ public class NowPlayingPanel extends JPanel
 
         mChannelMetadataPanel.addProcessingChainSelectionListener(mChannelDetailPanel);
         mChannelMetadataPanel.addProcessingChainSelectionListener(mDecodeEventPanel);
-        mChannelMetadataPanel.addProcessingChainSelectionListener(mLastSeenPanel);
-        mChannelMetadataPanel.addProcessingChainSelectionListener(mLastHeardPanel);
         mChannelMetadataPanel.addProcessingChainSelectionListener(mMessageActivityPanel);
         mChannelMetadataPanel.addProcessingChainSelectionListener(mChannelPowerPanel);
     }

src/main/java/io/github/dsheirer/filter/AllPassFilter.java

@@ -1,35 +1,61 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.filter;
 
-import java.util.Collections;
-import java.util.List;
+import java.util.function.Function;
 
 /**
- * Implements a message filter that passes (true) all messages
+ * Implements an all-pass filter that automatically passes/allows any presented object.
+ *
+ * A key type of String is used, but that makes no difference in how this filter functions.
  */
-@SuppressWarnings( "rawtypes" )
-public class AllPassFilter<T> extends Filter<T>
+public class AllPassFilter<T> extends Filter<T, String>
 {
-	public AllPassFilter()
+	private static final String KEY = "Other/Unlisted";
+	private final AllPassKeyExtractor mKeyExtractor = new AllPassKeyExtractor();
+
+	/**
+	 * Constructor
+	 * @param name to display for this filter
+	 */
+    public AllPassFilter(String name)
+    {
+        super(name);
+		add(new FilterElement<>(KEY));
+    }
+
+	@Override
+	public Function getKeyExtractor()
 	{
-		super( "Allow All Messages" );
+		return mKeyExtractor;
 	}
-	
-	@Override
-    public boolean passes( T t )
-    {
-	    return true;
-    }
 
-	@Override
-    public boolean canProcess( T t )
-    {
-	    return true;
-    }
-
-    @Override
-	@SuppressWarnings( "unchecked" )
-    public List getFilterElements()
-    {
-		return Collections.EMPTY_LIST;
-    }
+	/**
+	 * Key extractor that always returns the same (String)key.
+	 */
+	public class AllPassKeyExtractor implements Function<T,String>
+	{
+		@Override
+		public String apply(T t)
+		{
+			return KEY;
+		}
+	}
 }

src/main/java/io/github/dsheirer/filter/Filter.java

@@ -1,55 +1,206 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.filter;
 
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-public abstract class Filter<T> implements IFilter<T>
+/**
+ * Base filter class that uses an extractor function to extract a filter key (K) from an object of type T and then
+ * lookup the filter element (rule) indicating if objects of this type are enabled.
+ *
+ * @param <T> object type that this filter can process.
+ * @param <K> key type used to lookup filter elements
+ */
+public abstract class Filter<T,K> implements IFilter<T>
 {
-	protected String mName;
-	protected boolean mEnabled = true;
-	
-	public Filter( String name )
-	{
-		mName = name;
-	}
+    private static final Logger LOG = LoggerFactory.getLogger(Filter.class);
+    private String mName;
+    private Map<K, FilterElement<K>> mFilterElementMap = new HashMap<>();
+    private IFilterChangeListener mFilterChangeListener;
 
-	/**
-	 * Indicates if this filter is enabled or disabled
-	 */
-	public boolean isEnabled()
-	{
-		return mEnabled;
-	}
+    /**
+     * Constructs an instance
+     * @param name of this filter
+     */
+    public Filter(String name)
+    {
+        mName = name;
+    }
 
-	/**
-	 * Enables (true) or disables (false) this filter.  An enabled filter will
-	 * evaluate messages and a disabled filter will return false on all message
-	 * test methods.
-	 */
-	public void setEnabled( boolean enabled )
-	{
-		mEnabled = enabled;
-	}
-	
-	/**
-	 * List of filter elements managed by this filter
-	 */
-	public abstract List<FilterElement<?>> getFilterElements();
+    /**
+     * Indicates if this filter contains a filter element matching the key value.
+     * @param key to check
+     * @return true if this filter has a matching filter element.
+     */
+    protected boolean hasKey(K key)
+    {
+        return mFilterElementMap.containsKey(key);
+    }
 
-	/**
-	 * Name of this filter
-	 */
-	public String getName()
-	{
-		return mName;
-	}
-	
-	public void setName( String name )
-	{
-		mName = name;
-	}
-	
-	public String toString()
-	{
-		return mName;
-	}
+    /**
+     * Key extractor function provided by the subclass.
+     * @return key extractor function
+     */
+    public abstract Function<T,K> getKeyExtractor();
+
+    @Override
+    public boolean passes(T t)
+    {
+        K key = getKeyExtractor().apply(t);
+
+        if(mFilterElementMap.containsKey(key))
+        {
+            return mFilterElementMap.get(key).isEnabled();
+        }
+
+        return false;
+    }
+
+    /**
+     * Indicates if this filter can process the item T, meaning that it has a FilterElement that matches the key
+     * value for items of type T.
+     * @param t to test
+     * @return true if this filter can process item t
+     */
+    @Override
+    public boolean canProcess(T t)
+    {
+        return hasKey(getKeyExtractor().apply(t));
+    }
+
+    @Override
+    public boolean isEnabled()
+    {
+        for(FilterElement filterElement: mFilterElementMap.values())
+        {
+            if(filterElement.isEnabled())
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Adds the child filter element to this filter
+     * @param filterElement to add
+     */
+    public void add(FilterElement<K> filterElement)
+    {
+        if(mFilterElementMap.containsKey(filterElement.getElement()))
+        {
+            LOG.warn("Filter element for key [" + filterElement.getElement() + "] named [" + filterElement.getName() +
+                    "] already exists - overwriting existing value");
+        }
+
+        mFilterElementMap.put(filterElement.getElement(), filterElement);
+        filterElement.register(mFilterChangeListener);
+    }
+
+    /**
+     * List of filter elements managed by this filter
+     */
+    public final List<FilterElement<K>> getFilterElements()
+    {
+        return new ArrayList<>(mFilterElementMap.values());
+    }
+
+    /**
+     * Name of this filter
+     */
+    public String getName()
+    {
+        return mName;
+    }
+
+    /**
+     * Sets the name of this filter
+     *
+     * @param name to set
+     */
+    public void setName(String name)
+    {
+        mName = name;
+    }
+
+    /**
+     * Pretty version or name of this filter.
+     *
+     * @return name
+     */
+    public String toString()
+    {
+        return mName;
+    }
+
+    /**
+     * Count of enabled child filter elements.
+     *
+     * @return count
+     */
+    @Override
+    public int getEnabledCount()
+    {
+        int count = 0;
+
+        for(FilterElement filterElement : mFilterElementMap.values())
+        {
+            if(filterElement.isEnabled())
+            {
+                count++;
+            }
+        }
+
+        return count;
+    }
+
+    /**
+     * Count of child filter elements
+     *
+     * @return count
+     */
+    @Override
+    public int getElementCount()
+    {
+        return mFilterElementMap.size();
+    }
+
+    /**
+     * Registers a filter change listener on this filter and all filter elements.
+     * @param listener to be notified of any filter changes.
+     */
+    @Override
+    public void register(IFilterChangeListener listener)
+    {
+        mFilterChangeListener = listener;
+
+        for(FilterElement child: mFilterElementMap.values())
+        {
+            child.register(listener);
+        }
+    }
 }

src/main/java/io/github/dsheirer/filter/FilterEditor.java

@@ -0,0 +1,71 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.filter;
+
+import java.awt.Component;
+import net.miginfocom.swing.MigLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+
+/**
+ * Filter editor
+ * @param <T> item type for editing
+ */
+public class FilterEditor<T> extends JFrame
+{
+    private FilterEditorPanel<T> mEditorPanel;
+
+    /**
+     * Constructor
+     * @param title for the editor window frame
+     * @param owner to register the popup location
+     * @param filterSet to use initially
+     */
+    public FilterEditor(String title, Component owner, FilterSet<T> filterSet)
+    {
+        if(filterSet == null)
+        {
+            throw new IllegalArgumentException("Unable to construct FilterEditor - FilterSet cannot be null");
+        }
+        setTitle(title);
+        setSize(600, 400);
+        setLocationRelativeTo(owner);
+        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        setLayout(new MigLayout("", "[grow,fill]", "[grow,fill][]"));
+        mEditorPanel = new FilterEditorPanel<>(filterSet);
+        JScrollPane scroller = new JScrollPane(mEditorPanel);
+        scroller.setViewportView(mEditorPanel);
+        add(scroller, "wrap");
+        JButton close = new JButton("Close");
+        close.addActionListener(e -> dispose());
+        add(close);
+    }
+
+    /**
+     * Updates this editor with the filterset.
+     * @param filterSet to use in this editor.
+     */
+    public void updateFilterSet(FilterSet<T> filterSet)
+    {
+        mEditorPanel.updateFilterSet(filterSet);
+    }
+}

src/main/java/io/github/dsheirer/filter/FilterEditorPanel.java

@@ -1,100 +1,128 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.filter;
 
+import java.awt.Component;
+import java.util.Comparator;
+import java.util.Enumeration;
+import java.util.EventObject;
+import java.util.List;
 import net.miginfocom.swing.MigLayout;
 
 import javax.swing.JCheckBox;
 import javax.swing.JLabel;
-import javax.swing.JMenuItem;
 import javax.swing.JPanel;
-import javax.swing.JPopupMenu;
 import javax.swing.JTree;
-import javax.swing.SwingUtilities;
 import javax.swing.event.CellEditorListener;
 import javax.swing.tree.DefaultMutableTreeNode;
 import javax.swing.tree.DefaultTreeCellRenderer;
 import javax.swing.tree.DefaultTreeModel;
 import javax.swing.tree.TreeCellEditor;
+import javax.swing.tree.TreeNode;
 import javax.swing.tree.TreeSelectionModel;
-import java.awt.Component;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.ItemEvent;
-import java.awt.event.ItemListener;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseListener;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Enumeration;
-import java.util.EventObject;
-import java.util.List;
 
+/**
+ * Editor panel for managing the state of a filter set.
+ *
+ * @param <T> element type for the filter set.
+ */
 public class FilterEditorPanel<T> extends JPanel
 {
     private static final long serialVersionUID = 1L;
-
     private JTree mTree;
     private DefaultTreeModel mModel;
     private FilterSet<T> mFilterSet;
 
+    /**
+     * Constructs an instance
+     * @param filterSet to manage
+     */
     public FilterEditorPanel(FilterSet<T> filterSet)
     {
         setLayout(new MigLayout("insets 0 0 0 0", "[grow,fill]", "[grow,fill]"));
-
         mFilterSet = filterSet;
-
         init();
     }
 
+    /**
+     * Initializes the panel and the tree model.
+     */
     private void init()
     {
         DefaultMutableTreeNode root = new DefaultMutableTreeNode(mFilterSet);
-
         mModel = new DefaultTreeModel(root);
-
         addFilterSet(mFilterSet, root);
 
         mTree = new JTree(mModel);
         mTree.setShowsRootHandles(true);
-
-        mTree.addMouseListener(new MouseHandler());
-
-        mTree.getSelectionModel().setSelectionMode(
-                TreeSelectionModel.SINGLE_TREE_SELECTION);
-
+        mTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
         mTree.setCellRenderer(new EditorTreeCellRenderer());
-
-        mTree.setCellEditor(new FilterTreeNodeEditor());
-
+        mTree.setCellEditor(new FilterTreeCellEditor());
         mTree.setEditable(true);
-
         add(mTree);
     }
 
+    /**
+     * Updates the filter set for this editor panel
+     * @param filterSet to use
+     */
+    public void updateFilterSet(FilterSet<T> filterSet)
+    {
+        remove(mTree);
+        mFilterSet = filterSet;
+        init();
+        revalidate();
+    }
+
+    /**
+     * Adds the filter set as a child tree node to the parent.
+     * @param filterSet to add to the tree
+     * @param parent node for the filter set child tree node.
+     */
     private void addFilterSet(FilterSet<T> filterSet, DefaultMutableTreeNode parent)
     {
         List<IFilter<T>> filters = filterSet.getFilters();
 
-        /* sort the filters in alphabetical order by name */
-        filters.sort(Comparator.comparing(IFilter::getName));
-
         for(IFilter<T> filter : filters)
         {
-            DefaultMutableTreeNode child = new DefaultMutableTreeNode(filter);
+            DefaultMutableTreeNode childNode = new DefaultMutableTreeNode(filter);
+            mModel.insertNodeInto(childNode, parent, parent.getChildCount());
 
-            mModel.insertNodeInto(child, parent, parent.getChildCount());
-
-            if(filter instanceof FilterSet)
+            if(filter instanceof FilterSet childFilterSet)
             {
-                addFilterSet((FilterSet<T>) filter, child);
+                addFilterSet(childFilterSet, childNode);
             }
-            else if(filter instanceof Filter)
+            else if(filter instanceof Filter childFilter)
             {
-                addFilter((Filter<T>) filter, child);
+                addFilter(childFilter, childNode);
             }
         }
     }
 
-    private void addFilter(Filter<T> filter, DefaultMutableTreeNode parent)
+    /**
+     * Adds the filter as a child tree node to the parent.
+     *
+     * @param filter to add
+     * @param parent tree node
+     */
+    private void addFilter(Filter filter, DefaultMutableTreeNode parent)
     {
         List<FilterElement<?>> elements = filter.getFilterElements();
 
@@ -103,123 +131,39 @@ public class FilterEditorPanel<T> extends JPanel
         for(FilterElement<?> element : elements)
         {
             DefaultMutableTreeNode child = new DefaultMutableTreeNode(element);
-
             mModel.insertNodeInto(child, parent, parent.getChildCount());
         }
     }
 
-    public class MouseHandler implements MouseListener
+    /**
+     * Accesses the tree's root tree node.
+     * @return root node.
+     */
+    private DefaultMutableTreeNode getRoot()
     {
-        public MouseHandler()
+        if(mTree.getModel().getRoot() instanceof DefaultMutableTreeNode root)
         {
+            return root;
         }
 
-        @Override
-        public void mouseClicked(MouseEvent event)
-        {
-            if(SwingUtilities.isRightMouseButton(event))
-            {
-                int row = mTree.getRowForLocation(event.getX(),
-                        event.getY());
-
-                if(row != -1)
-                {
-                    mTree.setSelectionRow(row);
-
-                    Object selectedNode =
-                            mTree.getLastSelectedPathComponent();
-
-                    if(selectedNode instanceof DefaultMutableTreeNode)
-                    {
-                        final DefaultMutableTreeNode node =
-                                (DefaultMutableTreeNode) selectedNode;
-
-                        if(node.getChildCount() > 0)
-                        {
-                            JPopupMenu selectionMenu = new JPopupMenu();
-
-                            JMenuItem selectAll = new JMenuItem("Select All");
-                            selectAll.addActionListener(new ActionListener()
-                            {
-                                @Override
-                                public void actionPerformed(ActionEvent arg0)
-                                {
-                                    setFilterEnabled(mModel, node, true);
-                                }
-                            });
-
-                            selectionMenu.add(selectAll);
-
-                            JMenuItem deselectAll = new JMenuItem("Deselect All");
-                            deselectAll.addActionListener(new ActionListener()
-                            {
-                                @Override
-                                public void actionPerformed(ActionEvent arg0)
-                                {
-                                    setFilterEnabled(mModel, node, false);
-                                }
-                            });
-
-                            selectionMenu.add(deselectAll);
-
-                            selectionMenu.show(mTree,
-                                    event.getX(),
-                                    event.getY());
-                        }
-                    }
-                }
-            }
-        }
-
-        @Override
-        public void mousePressed(MouseEvent e)
-        {
-        }
-
-        @Override
-        public void mouseReleased(MouseEvent e)
-        {
-        }
-
-        @Override
-        public void mouseEntered(MouseEvent e)
-        {
-        }
-
-        @Override
-        public void mouseExited(MouseEvent e)
-        {
-        }
+        return null;
     }
 
     /**
-     * Recursively sets the enabled state on all filter node children below the
-     * specified parent node.
+     * Recursively sets the enabled state on all filter node children below the specified parent node.
      *
      * @param model - model containing the tree nodes
      * @param node - parent node
      * @param enabled - true or false to enable or disable the filters
      */
-    private void setFilterEnabled(DefaultTreeModel model,
-                                  DefaultMutableTreeNode node,
-                                  boolean enabled)
+    private void setFilterEnabled(DefaultTreeModel model, DefaultMutableTreeNode node, boolean enabled)
     {
         Object obj = node.getUserObject();
 
-        if(obj instanceof FilterSet<?>)
+        if(obj instanceof FilterElement filterElement)
         {
-            ((FilterSet<?>) obj).setEnabled(enabled);
+            filterElement.setEnabled(enabled);
         }
-        else if(obj instanceof Filter)
-        {
-            ((Filter<?>) obj).setEnabled(enabled);
-        }
-        else if(obj instanceof FilterElement)
-        {
-            ((FilterElement<?>) obj).setEnabled(enabled);
-        }
-
-        model.nodeChanged(node);
 
         /* Recursively set the children of this node */
         Enumeration<?> children = node.children();
@@ -228,43 +172,123 @@ public class FilterEditorPanel<T> extends JPanel
         {
             Object child = children.nextElement();
 
-            if(child instanceof DefaultMutableTreeNode)
+            if(child instanceof DefaultMutableTreeNode childNode)
             {
-                setFilterEnabled(model, (DefaultMutableTreeNode) child, enabled);
+                setFilterEnabled(model, childNode, enabled);
             }
         }
+
+        model.nodeChanged(node);
+    }
+
+    /**
+     * Recursively searches the tree to find the tree node containing the specified filter element.
+     *
+     * @param node to start search
+     * @param element to find
+     */
+    private DefaultMutableTreeNode findFilterElementNode(DefaultMutableTreeNode node, FilterElement<?> element)
+    {
+        if(node != null)
+        {
+            if(node.getUserObject() instanceof FilterElement<?> selfFilterElement && selfFilterElement.equals(element))
+            {
+                return node;
+            }
+
+            for(int x = 0; x < node.getChildCount(); x++)
+            {
+                if(node.getChildAt(x) instanceof DefaultMutableTreeNode child)
+                {
+                    DefaultMutableTreeNode found = findFilterElementNode(child, element);
+
+                    if(found != null)
+                    {
+                        return found;
+                    }
+                }
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Updates the display value for the specified node and all parents in the nodes parentage.
+     * @param node to update
+     */
+    private void updateParentage(DefaultMutableTreeNode node)
+    {
+        mModel.nodeChanged(node);
+
+        TreeNode parent = node.getParent();
+
+        while(parent != null)
+        {
+            mModel.nodeChanged(parent);
+            parent = parent.getParent();
+        }
     }
 
+    /**
+     * Recursively searches the tree to find the tree node containing the specified filter.
+     *
+     * @param node to start search
+     * @param filter to find
+     */
+    private DefaultMutableTreeNode findFilterNode(DefaultMutableTreeNode node, IFilter<?> filter)
+    {
+        if(node != null)
+        {
+            if(node.getUserObject() instanceof IFilter<?> selfFilter && selfFilter.equals(filter))
+            {
+                return node;
+            }
+
+            for(int x = 0; x < node.getChildCount(); x++)
+            {
+                if(node.getChildAt(x) instanceof DefaultMutableTreeNode child)
+                {
+                    DefaultMutableTreeNode found = findFilterNode(child, filter);
+
+                    if(found != null)
+                    {
+                        return found;
+                    }
+                }
+            }
+        }
+        else
+        {
+            System.out.println("Can't evaluate - node is null");
+        }
+
+        return null;
+    }
+
+    /**
+     * Custom cell renderer
+     */
     public class EditorTreeCellRenderer extends DefaultTreeCellRenderer
     {
         private static final long serialVersionUID = 1L;
 
-        public Component getTreeCellRendererComponent(JTree tree,
-                                                      Object treeNode,
-                                                      boolean selected,
-                                                      boolean expanded,
-                                                      boolean leaf,
-                                                      int row,
-                                                      boolean hasFocus)
+        public Component getTreeCellRendererComponent(JTree tree, Object treeNode, boolean selected, boolean expanded,
+                                                      boolean leaf, int row, boolean hasFocus)
         {
             if(treeNode instanceof DefaultMutableTreeNode)
             {
                 Object userObject = ((DefaultMutableTreeNode) treeNode).getUserObject();
-
                 JCheckBox checkBox = null;
 
-                if(userObject instanceof IFilter)
+                if(userObject instanceof IFilter filter)
                 {
-                    IFilter<?> filter = (IFilter<?>) userObject;
-
-                    checkBox = new JCheckBox(filter.getName());
+                    checkBox = new FilterCheckBox(filter);
                     checkBox.setSelected(filter.isEnabled());
                 }
-                else if(userObject instanceof FilterElement)
+                else if(userObject instanceof FilterElement element)
                 {
-                    FilterElement<?> element = (FilterElement<?>) userObject;
-
-                    checkBox = new JCheckBox(element.getName());
+                    checkBox = new FilterElementCheckBox(element);
                     checkBox.setSelected(element.isEnabled());
                 }
 
@@ -285,95 +309,110 @@ public class FilterEditorPanel<T> extends JPanel
                 }
             }
 
-            return super.getTreeCellRendererComponent(tree, treeNode, selected,
-                    expanded, leaf, row, hasFocus);
+            return super.getTreeCellRendererComponent(tree, treeNode, selected, expanded, leaf, row, hasFocus);
         }
     }
 
+    /**
+     * Check box used in filter tree nodes
+     */
     public class FilterCheckBox extends JCheckBox
     {
         private static final long serialVersionUID = 1L;
+        private IFilter<?> mFilter;
 
-        private IFilter<T> mFilter;
-
-        public FilterCheckBox(IFilter<T> filter)
+        /**
+         * Constructs an instance
+         *
+         * @param filter
+         */
+        public FilterCheckBox(IFilter<?> filter)
         {
-            super(filter.getName());
-
             mFilter = filter;
-
             setSelected(mFilter.isEnabled());
+            addItemListener(e -> {
+                DefaultMutableTreeNode selfNode = findFilterNode(getRoot(), mFilter);
 
-            addItemListener(new ItemListener()
-            {
-                @Override
-                public void itemStateChanged(ItemEvent e)
+                if(selfNode != null)
                 {
-                    mFilter.setEnabled(FilterCheckBox.this.isSelected());
+                    setFilterEnabled(mModel, selfNode, FilterCheckBox.this.isSelected());
+                    updateLabel();
+                    updateParentage(selfNode);
                 }
             });
         }
+
+        @Override
+        public void setSelected(boolean b)
+        {
+            super.setSelected(b);
+            updateLabel();
+        }
+
+        public void updateLabel()
+        {
+            setText(mFilter.getName() + " (" + mFilter.getEnabledCount() + "/" + mFilter.getElementCount() + ")");
+        }
     }
 
+    /**
+     * Check box used in filter element tree nodes
+     */
     public class FilterElementCheckBox extends JCheckBox
     {
         private static final long serialVersionUID = 1L;
-
         private FilterElement<?> mFilter;
 
+        /**
+         * Constructs an instance
+         *
+         * @param filter element
+         */
         public FilterElementCheckBox(FilterElement<?> filter)
         {
             super(filter.getName());
-
             mFilter = filter;
-
             setSelected(mFilter.isEnabled());
-
-            addItemListener(new ItemListener()
-            {
-                @Override
-                public void itemStateChanged(ItemEvent arg0)
+            addItemListener(arg0 -> {
+                mFilter.setEnabled(FilterElementCheckBox.this.isSelected());
+                DefaultMutableTreeNode self = findFilterElementNode(getRoot(), mFilter);
+                if(self != null)
                 {
-                    mFilter.setEnabled(FilterElementCheckBox.this.isSelected());
+                    updateParentage(self);
                 }
             });
         }
     }
 
-    public class FilterTreeNodeEditor implements TreeCellEditor
+    /**
+     * Editor for filter tree nodes
+     */
+    public class FilterTreeCellEditor implements TreeCellEditor
     {
         @Override
-        @SuppressWarnings({"rawtypes", "unchecked"})
-        public Component getTreeCellEditorComponent(JTree tree, Object node,
-                                                    boolean isSelected, boolean expanded, boolean leaf, int row)
+        public Component getTreeCellEditorComponent(JTree tree, Object node, boolean isSelected, boolean expanded, boolean leaf, int row)
         {
-            if(node instanceof DefaultMutableTreeNode)
+            if(node instanceof DefaultMutableTreeNode mutableTreeNode)
             {
-                Object userObject = ((DefaultMutableTreeNode) node).getUserObject();
+                Object userObject = mutableTreeNode.getUserObject();
 
-                if(userObject instanceof IFilter)
+                if(userObject instanceof IFilter filter)
                 {
-                    return new FilterCheckBox((IFilter) userObject);
+                    return new FilterCheckBox(filter);
                 }
-                else if(userObject instanceof FilterElement)
+                else if(userObject instanceof FilterElement filterElement)
                 {
-                    return new FilterElementCheckBox((FilterElement<?>) userObject);
+                    return new FilterElementCheckBox(filterElement);
                 }
             }
-
             return new JLabel(node.toString());
         }
 
         @Override
-        public void addCellEditorListener(CellEditorListener l)
-        {
-        }
+        public void addCellEditorListener(CellEditorListener l) {}
 
         @Override
-        public void cancelCellEditing()
-        {
-
-        }
+        public void cancelCellEditing() {}
 
         @Override
         public Object getCellEditorValue()
@@ -388,9 +427,7 @@ public class FilterEditorPanel<T> extends JPanel
         }
 
         @Override
-        public void removeCellEditorListener(CellEditorListener l)
-        {
-        }
+        public void removeCellEditorListener(CellEditorListener l) {}
 
         @Override
         public boolean shouldSelectCell(EventObject anEvent)

src/main/java/io/github/dsheirer/filter/FilterElement.java

@@ -1,55 +1,148 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.filter;
 
+/**
+ * Filter element provides filtering and enabled state tracking for an individual filterable element.
+ *
+ * @param <T> element to track and filter.
+ */
 public class FilterElement<T> implements Comparable<FilterElement<T>>
 {
-	private boolean mEnabled;
-	private T mElement;
-	
-	public FilterElement( T element, boolean enabled )
-	{
-		mElement = element;
-		mEnabled = enabled;
-	}
-	
-	public FilterElement( T t )
-	{
-		this( t, true );
-	}
-	
-	public T getElement()
-	{
-		return mElement;
-	}
-	
-	public String toString()
-	{
-		return getName();
-	}
-	
-	public boolean isEnabled()
-	{
-		return mEnabled;
-	}
-	
-	public void setEnabled( boolean enabled )
-	{
-		mEnabled = enabled;
-	}
-	
-	public String getName()
-	{
-		return mElement.toString();
-	}
+    private boolean mEnabled;
+    private final T mElement;
+    private IFilterChangeListener mFilterChangeListener;
 
-	@Override
-    public int compareTo( FilterElement<T> other )
+    /**
+     * Constructs an instance
+     *
+     * @param element to track
+     * @param enabled enabled state of this filter element
+     */
+    public FilterElement(T element, boolean enabled)
     {
-	    return toString().compareTo( other.toString() );
+        mElement = element;
+        mEnabled = enabled;
     }
 
+    /**
+     * Constructs an instance with a default state of enabled (true).
+     *
+     * @param t element to track
+     */
+    public FilterElement(T t)
+    {
+        this(t, true);
+    }
+
+    /**
+     * Registers the listener with each child filter element.
+     *
+     * @param listener to register
+     */
+    public void register(IFilterChangeListener listener)
+    {
+        mFilterChangeListener = listener;
+    }
+
+    /**
+     * Element being filtered.
+     *
+     * @return element
+     */
+    public T getElement()
+    {
+        return mElement;
+    }
+
+    /**
+     * Name or display string for the element.
+     *
+     * @return string version of the element.
+     */
+    public String toString()
+    {
+        return getName();
+    }
+
+    /**
+     * Indicates if this filter is enabled indicating that elements of this type will pass this filter.
+     *
+     * @return enabled state.
+     */
+    public boolean isEnabled()
+    {
+        return mEnabled;
+    }
+
+    /**
+     * Sets the enabled state of this filter.
+     *
+     * @param enabled true to allow this filter's element type to pass the filter.
+     */
+    public void setEnabled(boolean enabled)
+    {
+        mEnabled = enabled;
+
+        if(mFilterChangeListener != null)
+        {
+            mFilterChangeListener.filterChanged();
+        }
+    }
+
+    /**
+     * Name of the tracked element.
+     *
+     * @return name
+     */
+    public String getName()
+    {
+        return mElement.toString();
+    }
+
+    /**
+     * Implements compareto interface for ordering of filter elements.
+     *
+     * @param other the object to be compared.
+     * @return comparison value
+     */
     @Override
-    public boolean equals(Object o) {
-        if (!(o instanceof FilterElement)) return false;
-        return compareTo((FilterElement) o) == 0;
+    public int compareTo(FilterElement<T> other)
+    {
+        return toString().compareTo(other.toString());
+    }
+
+    /**
+     * Implement equals interface for comparison of filter elements.
+     *
+     * @param o to compare
+     * @return comparison
+     */
+    @Override
+    public boolean equals(Object o)
+    {
+        if(o instanceof FilterElement fe)
+        {
+            return compareTo(fe) == 0;
+        }
+
+        return false;
     }
 }

src/main/java/io/github/dsheirer/filter/FilterSet.java

@@ -1,108 +1,239 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.filter;
 
+import io.github.dsheirer.log.LoggingSuppressor;
 import java.util.ArrayList;
 import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+/**
+ * Filter set is a parent container for filters.
+ *
+ * @param <T> type of element tracked/filtered by this filter set.
+ */
 public class FilterSet<T> implements IFilter<T>
 {
-    protected List<IFilter<T>> mFilters = new ArrayList<IFilter<T>>();
-    protected boolean mEnabled = true;
-    protected String mName;
+	private static final Logger LOGGER = LoggerFactory.getLogger(FilterSet.class);
+	private static LoggingSuppressor sLoggingSuppressor = new LoggingSuppressor(LOGGER);
+	private List<IFilter<T>> mFilters = new ArrayList<>();
+	private String mName;
+	private IFilterChangeListener mFilterChangeListener;
 
-    public FilterSet( String name )
-    {
-    	mName = name;
-    }
-    
-    public FilterSet()
-    {
-    	mName = "Message Filter";
-    }
-
-    public FilterSet(IFilter<T> filter)
+	/**
+	 * Constructs an instance of a filter set.
+	 *
+	 * @param name of this filter set.
+	 */
+	public FilterSet(String name)
 	{
+		mName = name;
+	}
+
+	/**
+	 * Constructs an instance with a single filter using the default 'Filters' name.
+	 *
+	 * @param filter for this filter set.
+	 */
+	public FilterSet(IFilter<T> filter)
+	{
+		this("Filters");
 		addFilter(filter);
 	}
-    
-    public String getName()
-    {
-    	return mName;
-    }
-    
-    public void setName( String name )
-    {
-    	mName = name;
-    }
-    
-    public String toString()
-    {
-    	return getName();
-    }
-    
-	@Override
-    public boolean passes( T t )
-    {
-		if( mEnabled )
-		{
-			for( IFilter<T> filter: mFilters )
-			{
-				// Make sure to loop through all filters.
-				// Only return if true or all filters have been evaluated.
-				if( filter.canProcess( t ) && filter.passes( t ))
-				{
-					return true;
-				}
-			}
-		}
-		return false;
-    }
 
-	@Override
-    public boolean canProcess( T t )
-    {
-		if( mEnabled )
+	/**
+	 * Registers the listener with each child filter element.
+	 * @param listener to register
+	 */
+	public void register(IFilterChangeListener listener)
+	{
+		mFilterChangeListener = listener;
+
+		for(IFilter child: mFilters)
 		{
-			for( IFilter<T> filter: mFilters )
+			child.register(listener);
+		}
+	}
+
+	/**
+	 * Name of this filter set.
+	 *
+	 * @return name
+	 */
+	public String getName()
+	{
+		return mName;
+	}
+
+	/**
+	 * Sets the name of this filter set.
+	 *
+	 * @param name to set
+	 */
+	public void setName(String name)
+	{
+		mName = name;
+	}
+
+	/**
+	 * Name for this filter set.
+	 *
+	 * @return name
+	 */
+	public String toString()
+	{
+		return getName();
+	}
+
+	/**
+	 * Indicates if the element passes at least one of the child filters in this filter set.
+	 *
+	 * @param t to evaluate
+	 * @return true if the argument passes a child filter.
+	 */
+	@Override
+	public boolean passes(T t)
+	{
+		for(IFilter<T> filter : mFilters)
+		{
+			//Stop at the first filter that says that it can process the message type.
+			if(filter.canProcess(t))
 			{
-				if( filter.canProcess( t ) )
-				{
-					return true;
-				}
+				return filter.passes(t);
 			}
 		}
-		
+
 		return false;
-    }
-	
+	}
+
+	/**
+	 * Indicates if this filter set contains at least one filter that can evaluate the type of argument that is presented.
+	 *
+	 * @param t element to evaluate
+	 * @return true if this filter set can evaluate objects of the argument's type.
+	 */
+	@Override
+	public boolean canProcess(T t)
+	{
+		for(IFilter<T> filter : mFilters)
+		{
+			if(filter.canProcess(t))
+			{
+				return true;
+			}
+		}
+
+		sLoggingSuppressor.info(t.getClass().getSimpleName(), 1, "FilterSet [" +
+			this.getClass().getSimpleName() + "] has no filter element for items of type [" +
+				t.getClass().getSimpleName() + "]");
+
+		return false;
+	}
+
+	/**
+	 * Child filters
+	 *
+	 * @return filters
+	 */
 	public List<IFilter<T>> getFilters()
 	{
-		return mFilters;
-	}
-	
-	public void addFilters( List<IFilter<T>> filters )
-	{
-		mFilters.addAll( filters );
-	}
-	
-	public void addFilter( IFilter<T> filter )
-	{
-		mFilters.add( filter );
-	}
-	
-	public void removeFilter( IFilter<T> filter )
-	{
-		mFilters.remove( filter );
+		return new ArrayList<>(mFilters);
 	}
 
-	@Override
-    public boolean isEnabled()
-    {
-	    return mEnabled;
-    }
+	/**
+	 * Adds a list of child filters to this filter set.
+	 * @param filters to add
+	 */
+	public void addFilters(List<IFilter<T>> filters)
+	{
+		for(IFilter<T> filter: filters)
+		{
+			addFilter(filter);
+		}
+	}
 
+	/**
+	 * Adds the child filter to this filter set.
+	 * @param filter to add
+	 */
+	public void addFilter(IFilter<T> filter)
+	{
+		if(filter instanceof Filter<?,?> filterInstance && filterInstance.getKeyExtractor() == null)
+		{
+			LOGGER.warn("Filter [" + filter.getClass() + "] has a null key extractor");
+		}
+
+		mFilters.add(filter);
+		filter.register(mFilterChangeListener);
+	}
+
+	/**
+	 * Indicates if any of the child filters contain at least one filter element that is enabled.
+	 * @return enabled state
+	 */
 	@Override
-    public void setEnabled( boolean enabled )
-    {
-		mEnabled = enabled;
-    }
+	public boolean isEnabled()
+	{
+		for(IFilter filter: mFilters)
+		{
+			if(filter.isEnabled())
+			{
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Recursive count of enabled child filter elements.
+	 * @return count
+	 */
+	@Override
+	public int getEnabledCount()
+	{
+		int count = 0;
+
+		for(IFilter filter: mFilters)
+		{
+			count += filter.getEnabledCount();
+		}
+
+		return count;
+	}
+
+	/**
+	 * Recursive count of child filter elements.
+	 * @return count
+	 */
+	@Override
+	public int getElementCount()
+	{
+		int count = 0;
+
+		for(IFilter filter: mFilters)
+		{
+			count += filter.getElementCount();
+		}
+
+		return count;
+	}
 }

src/main/java/io/github/dsheirer/filter/IFilter.java

@@ -1,36 +1,75 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.filter;
 
+/**
+ * Filter interface
+ *
+ * @param <T> type of filter
+ */
 public interface IFilter<T>
 {
-	/**
-	 * Generic filter method.
-	 * 
-	 * @param message - message to filter
-	 * @return - true if the message passes the filter
-	 */
-	public boolean passes( T t );
+    /**
+     * Generic filter method.
+     *
+     * @param t - message to filter
+     * @return - true if the message passes the filter
+     */
+    boolean passes(T t);
 
-	/**
-	 * Indicates if the filter can process (filter) the object
-	 * 
-	 * @param message - candidate message for filtering
-	 * 
-	 * @return - true if the filter is capable of filtering the message
-	 */
-	public boolean canProcess( T t );
+    /**
+     * Indicates if the filter can process (filter) the object
+     *
+     * @param t - candidate message for filtering
+     * @return - true if the filter is capable of filtering the message
+     */
+    boolean canProcess(T t);
 
-	/**
-	 * Indicates if this filter is enabled to evaluate messages
-	 */
-	public boolean isEnabled();
+    /**
+     * Indicates if this filter is enabled to evaluate messages
+     */
+    boolean isEnabled();
 
-	/**
-	 * Sets the enabled state of the filter
-	 */
-	public void setEnabled( boolean enabled );
-	
-	/**
-	 * Display name for the filter
-	 */
-	public String getName();
+    /**
+     * Display name for the filter
+     */
+    String getName();
+
+    /**
+     * (Recursive) count of enabled child filter elements.
+     *
+     * @return total enable count.
+     */
+    int getEnabledCount();
+
+    /**
+     * (Recursive) count of total child filter elements.
+     *
+     * @return total count of child filter elements.
+     */
+    int getElementCount();
+
+    /**
+     * Registers the listener to be notified when the enabled state of any child filter elements is updated.
+     *
+     * @param listener to be notified
+     */
+    void register(IFilterChangeListener listener);
 }

src/main/java/io/github/dsheirer/filter/IFilterChangeListener.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,19 +17,9 @@
  * ****************************************************************************
  */
 
-package io.github.dsheirer.module.decode.event.filter.lastseen;
+package io.github.dsheirer.filter;
 
-import io.github.dsheirer.module.ModuleEventBusMessage;
-
-/**
- * Request for decode event history from a processing chain for the specified channel.
- */
-public class LastSeenHistoryRequest extends ModuleEventBusMessage
+public interface IFilterChangeListener
 {
-    /**
-     * Constructs an instance
-     */
-    public LastSeenHistoryRequest()
-    {
-    }
+    void filterChanged();
 }

src/main/java/io/github/dsheirer/filter/SyncLossMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,30 +14,36 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
-package io.github.dsheirer.module.decode.p25.phase1.message.filter;
+package io.github.dsheirer.filter;
 
-import io.github.dsheirer.filter.Filter;
-import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.message.SyncLossMessage;
+import java.util.function.Function;
 
-import java.util.Collections;
-import java.util.List;
-
-public class SyncLossMessageFilter extends Filter<IMessage>
+/**
+ * Filter for sync-loss messages
+ */
+public class SyncLossMessageFilter extends Filter<IMessage,String>
 {
+    private static final String SYNC_LOSS_KEY = "Sync-Loss";
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructor
+     */
     public SyncLossMessageFilter()
     {
-        super("Sync Loss");
+        super("Sync Loss Messages");
+        add(new FilterElement<>(SYNC_LOSS_KEY));
     }
 
     @Override
-    public boolean passes(IMessage message)
+    public Function<IMessage, String> getKeyExtractor()
     {
-        return mEnabled && canProcess(message);
+        return mKeyExtractor;
     }
 
     @Override
@@ -47,9 +52,20 @@ public class SyncLossMessageFilter extends Filter<IMessage>
         return message instanceof SyncLossMessage;
     }
 
-    @Override
-    public List<FilterElement<?>> getFilterElements()
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
     {
-        return Collections.EMPTY_LIST;
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof SyncLossMessage)
+            {
+                return SYNC_LOSS_KEY;
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/HistoryModule.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,7 +21,6 @@ package io.github.dsheirer.module;
 
 import io.github.dsheirer.sample.Broadcaster;
 import io.github.dsheirer.sample.Listener;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -50,7 +49,7 @@ public abstract class HistoryModule<T> extends Module implements Listener<T>
      */
     public List<T> getItems()
     {
-    return new ArrayList<>(mItems);
+        return new ArrayList<>(mItems);
     }
 
     @Override

src/main/java/io/github/dsheirer/module/ProcessingChain.java

@@ -117,8 +117,8 @@ public class ProcessingChain implements Listener<ChannelEvent>
     private Broadcaster<IMessage> mMessageBroadcaster = new Broadcaster<>();
     private Broadcaster<SquelchStateEvent> mSquelchStateEventBroadcaster = new Broadcaster<>();
     private AtomicBoolean mRunning = new AtomicBoolean();
-    private DecodeEventHistory mDecodeEventHistory = new DecodeEventHistory(500);
-    private MessageHistory mMessageHistory = new MessageHistory(500);
+    private DecodeEventHistory mDecodeEventHistory = new DecodeEventHistory(200);
+    private MessageHistory mMessageHistory = new MessageHistory(200);
     private AbstractChannelState mChannelState;
     private EventBus mEventBus;
     protected Source mSource;

src/main/java/io/github/dsheirer/module/decode/DecoderFactory.java

@@ -47,6 +47,7 @@ import io.github.dsheirer.module.decode.dmr.DMRDecoderState;
 import io.github.dsheirer.module.decode.dmr.DMRTrafficChannelManager;
 import io.github.dsheirer.module.decode.dmr.DecodeConfigDMR;
 import io.github.dsheirer.module.decode.dmr.audio.DMRAudioModule;
+import io.github.dsheirer.module.decode.dmr.message.filter.DmrMessageFilterSet;
 import io.github.dsheirer.module.decode.fleetsync2.Fleetsync2Decoder;
 import io.github.dsheirer.module.decode.fleetsync2.Fleetsync2DecoderState;
 import io.github.dsheirer.module.decode.fleetsync2.FleetsyncMessageFilter;
@@ -80,16 +81,18 @@ import io.github.dsheirer.module.decode.p25.phase1.DecodeConfigP25Phase1;
 import io.github.dsheirer.module.decode.p25.phase1.P25P1DecoderC4FM;
 import io.github.dsheirer.module.decode.p25.phase1.P25P1DecoderLSM;
 import io.github.dsheirer.module.decode.p25.phase1.P25P1DecoderState;
-import io.github.dsheirer.module.decode.p25.phase1.message.filter.P25MessageFilterSet;
+import io.github.dsheirer.module.decode.p25.phase1.message.filter.P25P1MessageFilterSet;
 import io.github.dsheirer.module.decode.p25.phase2.DecodeConfigP25Phase2;
 import io.github.dsheirer.module.decode.p25.phase2.P25P2DecoderHDQPSK;
 import io.github.dsheirer.module.decode.p25.phase2.P25P2DecoderState;
+import io.github.dsheirer.module.decode.p25.phase2.message.filter.P25P2MessageFilterSet;
 import io.github.dsheirer.module.decode.passport.DecodeConfigPassport;
 import io.github.dsheirer.module.decode.passport.PassportDecoder;
 import io.github.dsheirer.module.decode.passport.PassportDecoderState;
 import io.github.dsheirer.module.decode.passport.PassportMessageFilter;
 import io.github.dsheirer.module.decode.tait.Tait1200Decoder;
 import io.github.dsheirer.module.decode.tait.Tait1200DecoderState;
+import io.github.dsheirer.module.decode.tait.Tait1200MessageFilter;
 import io.github.dsheirer.module.decode.traffic.TrafficChannelManager;
 import io.github.dsheirer.module.demodulate.fm.FMDemodulatorModule;
 import io.github.dsheirer.preference.UserPreferences;
@@ -494,7 +497,7 @@ public class DecoderFactory
      */
     public static FilterSet<IMessage> getMessageFilters(List<Module> modules)
     {
-        FilterSet<IMessage> filterSet = new FilterSet<>();
+        FilterSet<IMessage> filterSet = new FilterSet<>("Message Filters");
 
         for(Module module : modules)
         {
@@ -504,28 +507,28 @@ public class DecoderFactory
             }
         }
 
-        /* If we don't have any filters, add an ALL-PASS filter */
-        if(filterSet.getFilters().isEmpty())
-        {
-            filterSet.addFilter(new AllPassFilter<>());
-        }
+        //Add an all-others filter as a catch-all for anything that isn't handled by the decoder filters.
+        filterSet.addFilter(new AllPassFilter<>("All Other Messages Filter"));
 
         return filterSet;
     }
 
     /**
      * Returns a set of IMessageFilter objects (FilterSets or Filters) that
-     * can process all of the messages produced by the specified decoder type.
+     * can process all messages produced by the specified decoder type.
      */
     public static List<IFilter<IMessage>> getMessageFilter(DecoderType decoder)
     {
-        ArrayList<IFilter<IMessage>> filters = new ArrayList<>();
+        List<IFilter<IMessage>> filters = new ArrayList<>();
 
         switch(decoder)
         {
             case DCS:
                 filters.add(new DCSMessageFilter());
                 break;
+            case DMR:
+                filters.add(new DmrMessageFilterSet());
+                break;
             case FLEETSYNC2:
                 filters.add(new FleetsyncMessageFilter());
                 break;
@@ -545,13 +548,16 @@ public class DecoderFactory
                 filters.add(new MPT1327MessageFilter());
                 break;
             case P25_PHASE1:
-                filters.add(new P25MessageFilterSet());
+                filters.add(new P25P1MessageFilterSet());
+                break;
+            case P25_PHASE2:
+                filters.add(new P25P2MessageFilterSet());
                 break;
             case PASSPORT:
                 filters.add(new PassportMessageFilter());
                 break;
-            case DMR:
-                //filters.add(new DMR) //todo: not finished
+            case TAIT_1200:
+                filters.add(new Tait1200MessageFilter());
                 break;
             default:
                 break;

src/main/java/io/github/dsheirer/module/decode/analog/AnalogDecoderState.java

@@ -26,6 +26,7 @@ import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.IdentifierCollection;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.event.DecodeEvent;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.module.decode.p25.identifier.channel.StandardChannel;
 import io.github.dsheirer.sample.Listener;
 import io.github.dsheirer.source.ISourceEventListener;
@@ -100,9 +101,8 @@ public abstract class AnalogDecoderState extends DecoderState implements ISource
 
         if(mDecodeEvent == null)
         {
-            mDecodeEvent = DecodeEvent.builder(System.currentTimeMillis())
+            mDecodeEvent = DecodeEvent.builder(DecodeEventType.CALL, System.currentTimeMillis())
                     .channel(mChannelDescriptor)
-                    .eventDescription("CALL")
                     .details(getDecoderType().name())
                     .identifiers(new IdentifierCollection(getIdentifierCollection().getIdentifiers()))
                     .build();

src/main/java/io/github/dsheirer/module/decode/dcs/DCSMessageFilter.java

@@ -22,45 +22,55 @@ package io.github.dsheirer.module.decode.dcs;
 import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.function.Function;
 
 /**
  * Message filter for Digital Coded Squelch (DCS)
  */
-public class DCSMessageFilter extends Filter<IMessage>
+public class DCSMessageFilter extends Filter<IMessage,String>
 {
-    private Map<String,FilterElement<String>> mElements = new HashMap<>();
-    private static final String DCS_MESSAGE_FILTER_TAG = "DCS";
+    private static final String DCS_KEY = "DCS";
+    private final KeyExtractor mKeyExtractor = new KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public DCSMessageFilter()
     {
-        super("DCS Message Filter");
-        mElements.put(DCS_MESSAGE_FILTER_TAG, new FilterElement<>("DCS Code", true));
-    }
-
-    @Override
-    public boolean passes(IMessage message)
-    {
-        if(mEnabled && canProcess(message))
-        {
-            return mElements.get(DCS_MESSAGE_FILTER_TAG).isEnabled();
-        }
-
-        return false;
+        super("DCS Messages");
+        add(new FilterElement(DCS_KEY));
     }
 
+    /**
+     * Indicates that this filter can process DCS messages.
+     * @param message to test
+     * @return true if the message can be processed
+     */
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof DCSMessage;
+        return message instanceof DCSMessage && super.canProcess(message);
     }
 
+    /**
+     * Key extractor that always returns the same key constant.
+     * @return extractor function.
+     */
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, String> getKeyExtractor()
     {
-        return new ArrayList<FilterElement<?>>(mElements.values());
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
+    {
+        @Override
+        public String apply(IMessage message)
+        {
+            return DCS_KEY;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/DMRDecoderState.java

@@ -286,9 +286,7 @@ public class DMRDecoderState extends TimeslotDecoderState
     {
         broadcast(new DecoderStateEvent(this, Event.START, State.DATA, getTimeslot()));
 
-        DecodeEvent smsEvent = DMRDecodeEvent.builder(sms.getTimestamp())
-                .eventType(DecodeEventType.SMS)
-                .eventDescription(DecodeEventType.SMS.toString())
+        DecodeEvent smsEvent = DMRDecodeEvent.builder(DecodeEventType.SMS, sms.getTimestamp())
                 .details("MESSAGE: " + sms.getSMS())
                 .identifiers(new IdentifierCollection(sms.getIdentifiers()))
                 .timeslot(sms.getTimeslot())
@@ -312,9 +310,7 @@ public class DMRDecoderState extends TimeslotDecoderState
             mic.update(hyteraSmsPacket.getSource());
             mic.update(hyteraSmsPacket.getDestination());
 
-            DecodeEvent smsEvent = DMRDecodeEvent.builder(packet.getTimestamp())
-                    .eventDescription(DecodeEventType.SMS.name())
-                    .eventType(DecodeEventType.DATA_PACKET)
+            DecodeEvent smsEvent = DMRDecodeEvent.builder(DecodeEventType.SMS, packet.getTimestamp())
                     .identifiers(mic)
                     .timeslot(packet.getTimeslot())
                     .details("SMS:" + hyteraSmsPacket.getSMS())
@@ -326,9 +322,7 @@ public class DMRDecoderState extends TimeslotDecoderState
         {
             MutableIdentifierCollection mic = new MutableIdentifierCollection(packet.getIdentifiers());
 
-            DecodeEvent unknownTokenEvent = DMRDecodeEvent.builder(packet.getTimestamp())
-                    .eventDescription(DecodeEventType.UNKNOWN_PACKET.name())
-                    .eventType(DecodeEventType.DATA_PACKET)
+            DecodeEvent unknownTokenEvent = DMRDecodeEvent.builder(DecodeEventType.UNKNOWN_PACKET, packet.getTimestamp())
                     .identifiers(mic)
                     .timeslot(packet.getTimeslot())
                     .details("HYTERA UNK TOKEN MSG:" + hyteraUnknownPacket.getHeader().toString())
@@ -337,9 +331,7 @@ public class DMRDecoderState extends TimeslotDecoderState
         }
         else
         {
-            DecodeEvent packetEvent = DMRDecodeEvent.builder(packet.getTimestamp())
-                    .eventDescription(DecodeEventType.DATA_PACKET.name())
-                    .eventType(DecodeEventType.DATA_PACKET)
+            DecodeEvent packetEvent = DMRDecodeEvent.builder(DecodeEventType.DATA_PACKET, packet.getTimestamp())
                     .identifiers(getMergedIdentifierCollection(packet.getIdentifiers()))
                     .timeslot(packet.getTimeslot())
                     .details(packet.toString())
@@ -350,9 +342,8 @@ public class DMRDecoderState extends TimeslotDecoderState
             GeoPosition geoPosition = PacketUtil.extractGeoPosition(packet.getPacket());
 
             if (geoPosition != null) {
-                PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent.plottableBuilder(packet.getTimestamp())
+                PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent.plottableBuilder(DecodeEventType.GPS, packet.getTimestamp())
                         .channel(getCurrentChannel())
-                        .eventDescription(DecodeEventType.GPS.toString())
                         .identifiers(getMergedIdentifierCollection(packet.getIdentifiers()))
                         .protocol(Protocol.LRRP)
                         .location(geoPosition)
@@ -784,9 +775,8 @@ public class DMRDecoderState extends TimeslotDecoderState
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.CONTROL, getTimeslot()));
                 break;
             case MOTOROLA_CONPLUS_REGISTRATION_REQUEST:
-                DecodeEvent event = DMRDecodeEvent.builder(csbk.getTimestamp())
+                DecodeEvent event = DMRDecodeEvent.builder(DecodeEventType.REQUEST, csbk.getTimestamp())
                     .details("Registration Request")
-                    .eventDescription(DecodeEventType.REGISTER.toString())
                     .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
                     .timeslot(csbk.getTimeslot())
                     .build();
@@ -794,9 +784,8 @@ public class DMRDecoderState extends TimeslotDecoderState
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.CONTROL, getTimeslot()));
                 break;
             case MOTOROLA_CONPLUS_REGISTRATION_RESPONSE:
-                DecodeEvent regRespEvent = DMRDecodeEvent.builder(csbk.getTimestamp())
+                DecodeEvent regRespEvent = DMRDecodeEvent.builder(DecodeEventType.RESPONSE, csbk.getTimestamp())
                     .details("Registration Response")
-                    .eventDescription(DecodeEventType.REGISTER.toString())
                     .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
                     .timeslot(csbk.getTimeslot())
                     .build();
@@ -837,9 +826,8 @@ public class DMRDecoderState extends TimeslotDecoderState
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.CONTROL, getTimeslot()));
                 break;
             case MOTOROLA_CONPLUS_TALKGROUP_AFFILIATION:
-                DecodeEvent affiliateEvent = DMRDecodeEvent.builder(csbk.getTimestamp())
+                DecodeEvent affiliateEvent = DMRDecodeEvent.builder(DecodeEventType.AFFILIATE, csbk.getTimestamp())
                     .details("TALKGROUP AFFILIATION")
-                    .eventDescription(DecodeEventType.AFFILIATE.toString())
                     .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
                     .timeslot(csbk.getTimeslot())
                     .build();
@@ -853,20 +841,16 @@ public class DMRDecoderState extends TimeslotDecoderState
     }
 
     private DecodeEvent getDecodeEvent(CSBKMessage csbk, DecodeEventType decodeEventType, DMRChannel channel, IdentifierCollection mergedIdentifiers) {
-        return DMRDecodeEvent.builder(csbk.getTimestamp())
+        return DMRDecodeEvent.builder(decodeEventType, csbk.getTimestamp())
                 .channel(channel)
-                .eventType(decodeEventType)
                 .details(csbk.getOpcode().getLabel())
-                .eventDescription(decodeEventType.toString())
                 .identifiers(mergedIdentifiers)
                 .timeslot(channel.getTimeslot())
                 .build();
     }
 
     private DecodeEvent getDecodeEvent(CSBKMessage csbk, DecodeEventType decodeEventType, String details) {
-        return DMRDecodeEvent.builder(csbk.getTimestamp())
-                .eventType(decodeEventType)
-                .eventDescription(decodeEventType.toString())
+        return DMRDecodeEvent.builder(decodeEventType, csbk.getTimestamp())
                 .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
                 .timeslot(csbk.getTimeslot())
                 .details(details)
@@ -1119,8 +1103,7 @@ public class DMRDecoderState extends TimeslotDecoderState
                     MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
                     ic.update(gpsInformation.getGPSLocation());
 
-                    DecodeEvent gpsEvent = DMRDecodeEvent.builder(message.getTimestamp())
-                        .eventDescription(DecodeEventType.GPS.toString())
+                    DecodeEvent gpsEvent = DMRDecodeEvent.builder(DecodeEventType.GPS, message.getTimestamp())
                         .identifiers(ic)
                         .timeslot(message.getTimeslot())
                         .details("LOCATION:" + gpsInformation.getGPSLocation())
@@ -1151,9 +1134,8 @@ public class DMRDecoderState extends TimeslotDecoderState
 
         if(mCurrentCallEvent == null)
         {
-            mCurrentCallEvent = DMRDecodeEvent.builder(timestamp)
+            mCurrentCallEvent = DMRDecodeEvent.builder(type, timestamp)
                 .channel(getCurrentChannel())
-                .eventDescription(type.toString())
                 .details(details)
                 .identifiers(getIdentifierCollection().copyOf())
                 .build();
@@ -1164,7 +1146,6 @@ public class DMRDecoderState extends TimeslotDecoderState
         {
             if(type != DecodeEventType.CALL)
             {
-                mCurrentCallEvent.setEventDescription(type.toString());
                 mCurrentCallEvent.setDetails(details);
             }
 

src/main/java/io/github/dsheirer/module/decode/dmr/DMRTrafficChannelManager.java

@@ -329,10 +329,8 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
 
         if(isStale(event, timestamp, identifierCollection)) //Create new event
         {
-            event = DMRChannelGrantEvent.channelGrantBuilder(timestamp)
+            event = DMRChannelGrantEvent.channelGrantBuilder(decodeEventType, timestamp)
                 .channel(channel)
-                .eventType(decodeEventType)
-                .eventDescription(decodeEventType.toString())
                 .details("CHANNEL GRANT" + (encrypted ? " ENCRYPTED" : ""))
                 .identifiers(identifierCollection)
                 .build();
@@ -351,11 +349,9 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
                 {
                     event.end(timestamp);
 
-                    event = DMRChannelGrantEvent.channelGrantBuilder(timestamp)
+                    event = DMRChannelGrantEvent.channelGrantBuilder(decodeEventType, timestamp)
                         .channel(channel)
-                        .eventType(decodeEventType)
-                        .eventDescription(decodeEventType.toString() + " - Continue")
-                        .details("CHANNEL GRANT" + (encrypted ? " ENCRYPTED" : ""))
+                        .details("CONTINUE - CHANNEL GRANT" + (encrypted ? " ENCRYPTED" : ""))
                         .identifiers(identifierCollection)
                         .build();
 
@@ -392,15 +388,6 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
         {
             if(mIgnoreDataCalls && opcode.isDataChannelGrantOpcode())
             {
-                if(event.getEventDescription() == null)
-                {
-                    event.setEventDescription(decodeEventType + IGNORED);
-                }
-                else if(!event.getEventDescription().endsWith(IGNORED))
-                {
-                    event.setEventDescription(event.getEventDescription() + IGNORED);
-                }
-
                 if(event.getDetails() == null)
                 {
                     event.setDetails(DATA_CALL_IGNORED);

src/main/java/io/github/dsheirer/module/decode/dmr/event/DMRChannelGrantEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.dmr.event;
 
@@ -34,11 +33,12 @@ public class DMRChannelGrantEvent extends DMRDecodeEvent
 
     /**
      * Constructs an instance
+     * @param decodeEventType for the event
      * @param timestamp for the event
      */
-    public DMRChannelGrantEvent(long timestamp)
+    public DMRChannelGrantEvent(DecodeEventType decodeEventType, long timestamp)
     {
-        super(timestamp);
+        super(decodeEventType, timestamp);
     }
 
     /**
@@ -63,9 +63,9 @@ public class DMRChannelGrantEvent extends DMRDecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static DMRChannelGrantDecodeEventBuilder channelGrantBuilder(long timeStart)
+    public static DMRChannelGrantDecodeEventBuilder channelGrantBuilder(DecodeEventType decodeEventType, long timeStart)
     {
-        return new DMRChannelGrantDecodeEventBuilder(timeStart);
+        return new DMRChannelGrantDecodeEventBuilder(decodeEventType, timeStart);
     }
 
     /**
@@ -76,7 +76,6 @@ public class DMRChannelGrantEvent extends DMRDecodeEvent
         protected long mTimeStart;
         protected long mDuration;
         protected DecodeEventType mDecodeEventType;
-        protected String mEventDescription;
         protected IdentifierCollection mIdentifierCollection;
         protected DMRChannel mChannel;
         protected String mDetails;
@@ -87,8 +86,9 @@ public class DMRChannelGrantEvent extends DMRDecodeEvent
          *
          * @param timeStart
          */
-        public DMRChannelGrantDecodeEventBuilder(long timeStart)
+        public DMRChannelGrantDecodeEventBuilder(DecodeEventType decodeEventType, long timeStart)
         {
+            mDecodeEventType = decodeEventType;
             mTimeStart = timeStart;
         }
 
@@ -131,25 +131,6 @@ public class DMRChannelGrantEvent extends DMRDecodeEvent
             return this;
         }
 
-        /**
-         * Sets the Decode Event type for this event.
-         * @param eventType
-         */
-        public DMRChannelGrantDecodeEventBuilder eventType(DecodeEventType eventType) {
-            mDecodeEventType = eventType;
-            return this;
-        }
-
-        /**
-         * Sets the event description text
-         * @param description of the event
-         */
-        public DMRChannelGrantDecodeEventBuilder eventDescription(String description)
-        {
-            mEventDescription = description;
-            return this;
-        }
-
         /**
          * Sets the identifier collection.
          * @param identifierCollection containing optional identifiers like TO, FROM, frequency and
@@ -176,13 +157,11 @@ public class DMRChannelGrantEvent extends DMRDecodeEvent
          */
         public DMRChannelGrantEvent build()
         {
-            DMRChannelGrantEvent decodeEvent = new DMRChannelGrantEvent(mTimeStart);
+            DMRChannelGrantEvent decodeEvent = new DMRChannelGrantEvent(mDecodeEventType, mTimeStart);
             decodeEvent.setChannelDescriptor(mChannel);
             decodeEvent.setTimeslot(mChannel.getTimeslot());
             decodeEvent.setDetails(mDetails);
             decodeEvent.setDuration(mDuration);
-            decodeEvent.setEventType(mDecodeEventType);
-            decodeEvent.setEventDescription(mEventDescription);
             decodeEvent.setIdentifierCollection(mIdentifierCollection);
             return decodeEvent;
         }

src/main/java/io/github/dsheirer/module/decode/dmr/event/DMRDecodeEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,12 +14,13 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.dmr.event;
 
 import io.github.dsheirer.module.decode.event.DecodeEvent;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.protocol.Protocol;
 
 /**
@@ -32,9 +32,9 @@ public class DMRDecodeEvent extends DecodeEvent
      * Constucts a decode event
      * @param start
      */
-    public DMRDecodeEvent(long start)
+    public DMRDecodeEvent(DecodeEventType decodeEventType, long start)
     {
-        super(start);
+        super(decodeEventType, start);
         setProtocol(Protocol.DMR);
     }
 
@@ -43,9 +43,9 @@ public class DMRDecodeEvent extends DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static DecodeEventBuilder builder(long timeStart)
+    public static DecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart)
     {
-        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(timeStart);
+        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(decodeEventType, timeStart);
         decodeEventBuilder.protocol(Protocol.DMR);
         return decodeEventBuilder;
     }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/Opcode.java

@@ -39,7 +39,7 @@ public enum Opcode
     STANDARD_CHANNEL_TIMING(Vendor.STANDARD, 7, "CHANNEL TIMING"),
     STANDARD_ALOHA(Vendor.STANDARD, 25, "ALOHA"),
     STANDARD_UNIFIED_DATA_TRANSPORT_OUTBOUND_HEADER(Vendor.STANDARD, 26, "UNIFIED DATA TRANSPORT OUTBOUND HEADER"),
-    STANDARD_UNIFIED_DATA_TRANSPORT_INBOUND_HEADER(Vendor.STANDARD, 27, "UNIFIED DATA TRANSPORT OUTBOUND HEADER"),
+    STANDARD_UNIFIED_DATA_TRANSPORT_INBOUND_HEADER(Vendor.STANDARD, 27, "UNIFIED DATA TRANSPORT INBOUND HEADER"),
     STANDARD_AHOY(Vendor.STANDARD, 28, "AHOY"),
     STANDARD_ACTIVATION(Vendor.STANDARD, 30, "ACTIVATION"),
     STANDARD_RANDOM_ACCESS_SERVICE_REQUEST(Vendor.STANDARD, 31, "RANDOM ACCESS SERVICE REQUEST"),
@@ -102,13 +102,18 @@ public enum Opcode
     HYTERA_68_XPT_PREAMBLE(Vendor.HYTERA_68, 61, "HYTERA 68 XPT PREAMBLE"),
     HYTERA_68_CSBKO_62(Vendor.HYTERA_68, 62, "HYTERA 68 CSBKO 62"),
 
-
     UNKNOWN(Vendor.UNKNOWN, -1, "UNKNOWN");
 
     private Vendor mVendor;
     private int mValue;
     private String mLabel;
 
+    /**
+     * Constructor
+     * @param vendor for the opcode
+     * @param value for the opcode
+     * @param label to display for the opcode
+     */
     Opcode(Vendor vendor, int value, String label)
     {
         mVendor = vendor;
@@ -151,19 +156,86 @@ public enum Opcode
      */
     public boolean isDataChannelGrantOpcode()
     {
-        return DATA_CHANNEL_GRANT_OPCODES.contains(this);
+        return DATA_CHANNEL_GRANTS.contains(this);
     }
 
     /**
-     * Data Channel Grant opcodes
+     * Data channel grant opcodes
      */
-    public static final EnumSet<Opcode> DATA_CHANNEL_GRANT_OPCODES = EnumSet.of(
-        STANDARD_PRIVATE_DATA_CHANNEL_GRANT_MULTI_ITEM,
-        STANDARD_PRIVATE_DATA_CHANNEL_GRANT_SINGLE_ITEM,
-        STANDARD_DUPLEX_PRIVATE_DATA_CHANNEL_GRANT,
-        STANDARD_TALKGROUP_DATA_CHANNEL_GRANT_MULTI_ITEM,
-        STANDARD_TALKGROUP_DATA_CHANNEL_GRANT_SINGLE_ITEM);
+    public static final EnumSet<Opcode> DATA_CHANNEL_GRANTS = EnumSet.of(STANDARD_PRIVATE_DATA_CHANNEL_GRANT_MULTI_ITEM,
+        STANDARD_PRIVATE_DATA_CHANNEL_GRANT_SINGLE_ITEM, STANDARD_DUPLEX_PRIVATE_DATA_CHANNEL_GRANT,
+        STANDARD_TALKGROUP_DATA_CHANNEL_GRANT_MULTI_ITEM, STANDARD_TALKGROUP_DATA_CHANNEL_GRANT_SINGLE_ITEM);
 
+    /**
+     * Data opcodes
+     */
+    public static final EnumSet<Opcode> DATA_OPCODES = EnumSet.of(STANDARD_UNIFIED_DATA_TRANSPORT_OUTBOUND_HEADER,
+            STANDARD_UNIFIED_DATA_TRANSPORT_INBOUND_HEADER, STANDARD_UNIFIED_DATA_TRANSPORT_FOR_DGNA_OUTBOUND_HEADER,
+            STANDARD_UNIFIED_DATA_TRANSPORT_FOR_DGNA_INBOUND_HEADER, STANDARD_PREAMBLE);
+
+    /**
+     * Mobile request and response opcodes
+     */
+    public static final EnumSet<Opcode> MOBILE_REQUEST_RESPONSE = EnumSet.of(STANDARD_UNIT_TO_UNIT_VOICE_SERVICE_REQUEST,
+            STANDARD_RANDOM_ACCESS_SERVICE_REQUEST);
+
+    /**
+     * Network request and response and announcement opcodes
+     */
+    public static final EnumSet<Opcode> NETWORK_REQUEST_RESPONSE = EnumSet.of(STANDARD_FEATURE_NOT_SUPPORTED,
+            STANDARD_UNIT_TO_UNIT_VOICE_SERVICE_RESPONSE, STANDARD_AHOY, STANDARD_ACKNOWLEDGE_RESPONSE_OUTBOUND_TSCC,
+            STANDARD_ACKNOWLEDGE_RESPONSE_INBOUND_TSCC, STANDARD_ACKNOWLEDGE_RESPONSE_OUTBOUND_PAYLOAD,
+            STANDARD_ACKNOWLEDGE_RESPONSE_INBOUND_PAYLOAD, STANDARD_NEGATIVE_ACKNOWLEDGE_RESPONSE, STANDARD_CLEAR,
+            STANDARD_MOVE_TSCC, STANDARD_CHANNEL_TIMING,
+            STANDARD_ALOHA, STANDARD_ACTIVATION, STANDARD_ANNOUNCEMENT, STANDARD_MAINTENANCE, STANDARD_PROTECT);
+
+    /**
+     * Voice channel grant opcodes
+     */
+    public static final EnumSet<Opcode> VOICE_CHANNEL_GRANTS = EnumSet.of(STANDARD_PRIVATE_VOICE_CHANNEL_GRANT,
+            STANDARD_TALKGROUP_VOICE_CHANNEL_GRANT, STANDARD_BROADCAST_TALKGROUP_VOICE_CHANNEL_GRANT,
+            STANDARD_DUPLEX_PRIVATE_VOICE_CHANNEL_GRANT);
+
+    /**
+     * Hytera opcodes
+     */
+    public static final EnumSet<Opcode> HYTERA = EnumSet.of(HYTERA_08_ACKNOWLEDGE, HYTERA_08_ANNOUNCEMENT,
+            HYTERA_08_CSBKO_44, HYTERA_08_CSBKO_47, HYTERA_68_XPT_SITE_STATE, HYTERA_68_ALOHA,
+            HYTERA_68_ACKNOWLEDGE, HYTERA_68_ANNOUNCEMENT, HYTERA_68_XPT_PREAMBLE, HYTERA_68_CSBKO_62);
+
+    /**
+     * Motorola Capacity Max opcodes
+     */
+    public static final EnumSet<Opcode> MOTOROLA_CAPACITY_MAX = EnumSet.of(MOTOROLA_CAPMAX_ALOHA);
+
+    /**
+     * Motorola Capacity Plus opcodes
+     */
+    public static final EnumSet<Opcode> MOTOROLA_CAPACITY_PLUS = EnumSet.of(MOTOROLA_CAPPLUS_CALL_ALERT,
+            MOTOROLA_CAPPLUS_CALL_ALERT_ACK, MOTOROLA_CAPPLUS_DATA_WINDOW_ANNOUNCEMENT,
+            MOTOROLA_CAPPLUS_DATA_WINDOW_GRANT, MOTOROLA_CAPPLUS_NEIGHBOR_REPORT, MOTOROLA_CAPPLUS_CSBKO_60,
+            MOTOROLA_CAPPLUS_PREAMBLE, MOTOROLA_CAPPLUS_SITE_STATUS);
+
+    /**
+     * Motorola Connect Plus opcodes
+     */
+    public static final EnumSet<Opcode> MOTOROLA_CONNECT_PLUS = EnumSet.of(MOTOROLA_CONPLUS_NEIGHBOR_REPORT,
+            MOTOROLA_CONPLUS_VOICE_CHANNEL_USER, MOTOROLA_CONPLUS_DATA_CHANNEL_GRANT, MOTOROLA_CONPLUS_CSBKO_10,
+            MOTOROLA_CONPLUS_TERMINATE_CHANNEL_GRANT, MOTOROLA_CONPLUS_CSBKO_16, MOTOROLA_CONPLUS_REGISTRATION_REQUEST,
+            MOTOROLA_CONPLUS_REGISTRATION_RESPONSE, MOTOROLA_CONPLUS_TALKGROUP_AFFILIATION,
+            MOTOROLA_CONPLUS_DATA_WINDOW_ANNOUNCEMENT, MOTOROLA_CONPLUS_DATA_WINDOW_GRANT);
+
+    /**
+     * Indicates if the opcode is included in one of the enumset groupings above
+     * @return
+     */
+    public boolean isGrouped()
+    {
+        return DATA_CHANNEL_GRANTS.contains(this) || DATA_OPCODES.contains(this) ||
+                MOBILE_REQUEST_RESPONSE.contains(this) || NETWORK_REQUEST_RESPONSE.contains(this) ||
+                VOICE_CHANNEL_GRANTS.contains(this) || HYTERA.contains(this) || MOTOROLA_CAPACITY_MAX.contains(this) ||
+                MOTOROLA_CAPACITY_PLUS.contains(this) || MOTOROLA_CONNECT_PLUS.contains(this);
+    }
 
     /**
      * Lookup map of vendors and opcode value to opcodes

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/LCOpcode.java

@@ -67,14 +67,14 @@ public enum LCOpcode
     //CAP+ SLCO 15 = Rest Channel https://forums.radioreference.com/threads/understanding-capacity-plus-trunking.209318/page-7
     SHORT_CAPACITY_PLUS_REST_CHANNEL_NOTIFICATION(Vendor.MOTOROLA_CAPACITY_PLUS, false,15, "REST CHANNEL NOTIFICATION"),
 
-    SHORT_STANDARD_XPT_CHANNEL(Vendor.STANDARD, false, 8, "HYTERA XPT CHANNEL"),
+    SHORT_STANDARD_XPT_CHANNEL(Vendor.STANDARD, false, 8, "STANDARD XPT CHANNEL"),
     SHORT_HYTERA_XPT_CHANNEL(Vendor.HYTERA_68, false, 8, "HYTERA XPT CHANNEL"),
 
     SHORT_CONNECT_PLUS_TRAFFIC_CHANNEL(Vendor.STANDARD, false, 9, "TRAFFIC CHANNEL INFO"),
     SHORT_CONNECT_PLUS_CONTROL_CHANNEL(Vendor.STANDARD, false, 10, "CONTROL CHANNEL INFO"),
 
 
-    SHORT_STANDARD_UNKNOWN(Vendor.STANDARD,false,-1, "SHORT UNKNOWN");
+    SHORT_STANDARD_UNKNOWN(Vendor.STANDARD,false,-1, "UNKNOWN");
 
     private static final EnumSet<LCOpcode> TALKER_ALIAS_OPCODES = EnumSet.of(FULL_STANDARD_TALKER_ALIAS_HEADER,
             FULL_STANDARD_TALKER_ALIAS_BLOCK_1, FULL_STANDARD_TALKER_ALIAS_BLOCK_2, FULL_STANDARD_TALKER_ALIAS_BLOCK_3);

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/PacketSequenceMessageFactory.java

@@ -63,7 +63,6 @@ public class PacketSequenceMessageFactory
             if(packetSequence.hasPacketSequenceHeader())
             {
                 PacketSequenceHeader primaryHeader = packetSequence.getPacketSequenceHeader();
-                boolean confirmed = primaryHeader.isConfirmedData();
                 CorrectedBinaryMessage packet = getPacket(packetSequence, primaryHeader.isConfirmedData());
 
                 if(packet != null)

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/ControlMessageFilter.java

@@ -0,0 +1,74 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.Opcode;
+import java.util.Collection;
+import java.util.function.Function;
+
+/**
+ * Filter for opcode based control (CSBK) messages.
+ */
+public class ControlMessageFilter extends Filter<IMessage, Opcode>
+{
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructs an instance
+     * @param name of this control message filter
+     * @param opcodes to use with this filter
+     */
+    public ControlMessageFilter(String name, Collection<Opcode> opcodes)
+    {
+        super(name);
+
+        for(Opcode opcode: opcodes)
+        {
+            add(new FilterElement<>(opcode));
+        }
+    }
+
+    @Override
+    public Function<IMessage, Opcode> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,Opcode>
+    {
+        @Override
+        public Opcode apply(IMessage message)
+        {
+            if(message instanceof CSBKMessage csbk)
+            {
+                return csbk.getOpcode();
+            }
+
+            return null;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/ControlMessageFilterSet.java

@@ -0,0 +1,68 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.FilterSet;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.Opcode;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Filter set for DMR control (CSBK) messages using Opcodes for filter elements.
+ */
+public class ControlMessageFilterSet extends FilterSet<IMessage>
+{
+    /**
+     * Constructor
+     */
+    public ControlMessageFilterSet()
+    {
+        super("Control (CSBK) Messages");
+        addFilter(new ControlMessageFilter("Data Channel Grants", Opcode.DATA_CHANNEL_GRANTS));
+        addFilter(new ControlMessageFilter("Data-Related", Opcode.DATA_OPCODES));
+        addFilter(new ControlMessageFilter("Mobile Request/Response", Opcode.MOBILE_REQUEST_RESPONSE));
+        addFilter(new ControlMessageFilter("Network Request/Response", Opcode.NETWORK_REQUEST_RESPONSE));
+        addFilter(new ControlMessageFilter("Voice Channel Grants", Opcode.VOICE_CHANNEL_GRANTS));
+        addFilter(new ControlMessageFilter("Hytera", Opcode.HYTERA));
+        addFilter(new ControlMessageFilter("Motorola Capacity Max", Opcode.MOTOROLA_CAPACITY_MAX));
+        addFilter(new ControlMessageFilter("Motorola Capacity Plus", Opcode.MOTOROLA_CAPACITY_PLUS));
+        addFilter(new ControlMessageFilter("Motorola Connect Plus", Opcode.MOTOROLA_CONNECT_PLUS));
+
+        //Add all remaining opcodes that are not grouped into one of the above enumsets.
+        List<Opcode> otherOpcodes = new ArrayList<>();
+        for(Opcode opcode: Opcode.values())
+        {
+            if(!opcode.isGrouped())
+            {
+                otherOpcodes.add(opcode);
+            }
+        }
+
+        addFilter(new ControlMessageFilter("Other/Unknown", otherOpcodes));
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return message instanceof CSBKMessage && super.canProcess(message);
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/DataMessageFilter.java

@@ -0,0 +1,80 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.DataMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import io.github.dsheirer.module.decode.dmr.message.type.DataType;
+import java.util.function.Function;
+
+/**
+ * Filter for data messages, excluding CSBK messages.
+ */
+public class DataMessageFilter extends Filter<IMessage, DataType>
+{
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructs an instance
+     *
+     * @param name of this filter
+     */
+    public DataMessageFilter()
+    {
+        super("Data Messages");
+
+        for(DataType dataType: DataType.values())
+        {
+            add(new FilterElement<>(dataType));
+        }
+    }
+
+    @Override
+    public Function<IMessage, DataType> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return message instanceof DataMessage && !(message instanceof CSBKMessage) && super.canProcess(message);
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,DataType>
+    {
+        @Override
+        public DataType apply(IMessage message)
+        {
+            if(message instanceof DataMessage dataMessage)
+            {
+                return dataMessage.getSlotType().getDataType();
+            }
+
+            return null;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/DmrMessageFilterSet.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,31 +17,29 @@
  * ****************************************************************************
  */
 
-package io.github.dsheirer.module.decode.event.filter.lastheard;
+package io.github.dsheirer.module.decode.dmr.message.filter;
 
-import io.github.dsheirer.module.ModuleEventBusMessage;
+import io.github.dsheirer.filter.FilterSet;
+import io.github.dsheirer.filter.SyncLossMessageFilter;
+import io.github.dsheirer.message.IMessage;
 
 /**
- * Response to decode event history request from a processing chain for the specified channel.
+ * Filter set for DMR messages
  */
-public class LastHeardHistoryResponse extends ModuleEventBusMessage
+public class DmrMessageFilterSet extends FilterSet<IMessage>
 {
-    private LastHeardHistory mLastHeardHistory;
-
     /**
-     * Constructs an instance
-     * @param history that has a decode event history
+     * Constructor
      */
-    public LastHeardHistoryResponse(LastHeardHistory history)
+    public DmrMessageFilterSet()
     {
-        mLastHeardHistory = history;
-    }
-
-    /**
-     * Decode event history module
-     */
-    public LastHeardHistory getDecodeEventHistory()
-    {
-        return mLastHeardHistory;
+        super("DMR Messages");
+        addFilter(new ControlMessageFilterSet());
+        addFilter(new VoiceMessageFilter());
+        addFilter(new DataMessageFilter());
+        addFilter(new DmrPacketSequenceFilter());
+        addFilter(new LinkControlMessageFilterSet());
+        addFilter(new SyncLossMessageFilter());
+        addFilter(new DmrOtherMessageFilter());
     }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/DmrOtherMessageFilter.java

@@ -0,0 +1,73 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.message.DMRMessage;
+import java.util.function.Function;
+
+/**
+ * Filter for unknown messages, meaning messages not handled by any other filter.
+ */
+public class DmrOtherMessageFilter extends Filter<IMessage,String>
+{
+    private static final String OTHER_KEY = "Other/Unknown Message";
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructor
+     */
+    public DmrOtherMessageFilter()
+    {
+        super("Other DMR messages");
+        add(new FilterElement<>(OTHER_KEY));
+    }
+
+    @Override
+    public Function<IMessage, String> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return message instanceof DMRMessage && super.canProcess(message);
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
+    {
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof DMRMessage)
+            {
+                return OTHER_KEY;
+            }
+
+            return null;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/DmrPacketSequenceFilter.java

@@ -0,0 +1,106 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.packet.DMRPacketMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.packet.UDTShortMessageService;
+import io.github.dsheirer.module.decode.ip.hytera.sds.HyteraUnknownPacket;
+import io.github.dsheirer.module.decode.ip.hytera.sms.HyteraSmsPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.ars.ARSPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.lrrp.LRRPPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.xcmp.XCMPPacket;
+import java.util.function.Function;
+
+/**
+ * Filter for DMR packet sequence messages
+ */
+public class DmrPacketSequenceFilter extends Filter<IMessage,String>
+{
+    private static final String KEY_ARS = "Automatic Registration Service (ARS)";
+    private static final String KEY_HYTERA_SMS = "Hytera Short Message Service (SMS)";
+    private static final String KEY_HYTERA_UNKNOWN = "Hytera Unknown";
+    private static final String KEY_LRRP = "Location Request/Response Protocol (LRRP)";
+    private static final String KEY_UDT_SMS = "Unified Data Transport - Short Message Service";
+    private static final String KEY_XCMP = "Extensible Command Message Protocol (XCMP)";
+    private static final String KEY_UNKNOWN = "Other/Unknown";
+
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructs an instance
+     */
+    public DmrPacketSequenceFilter()
+    {
+        super("Packet Sequence Messages");
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return message instanceof DMRPacketMessage && super.canProcess(message);
+    }
+
+    @Override
+    public Function<IMessage, String> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    private class KeyExtractor implements Function<IMessage,String>
+    {
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof UDTShortMessageService)
+            {
+                return KEY_UDT_SMS;
+            }
+            else if(message instanceof DMRPacketMessage packetMessage)
+            {
+                if(packetMessage.getPacket() instanceof ARSPacket)
+                {
+                    return KEY_ARS;
+                }
+                else if(packetMessage.getPacket() instanceof LRRPPacket)
+                {
+                    return KEY_LRRP;
+                }
+                else if(packetMessage.getPacket() instanceof XCMPPacket)
+                {
+                    return KEY_XCMP;
+                }
+                else if(packetMessage.getPacket() instanceof HyteraSmsPacket)
+                {
+                    return KEY_HYTERA_SMS;
+                }
+                else if(packetMessage.getPacket() instanceof HyteraUnknownPacket)
+                {
+                    return KEY_HYTERA_UNKNOWN;
+                }
+
+                //TODO: finish this
+            }
+
+            return KEY_UNKNOWN;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/LinkControlMessageFilter.java

@@ -0,0 +1,76 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCOpcode;
+import java.util.Collection;
+import java.util.function.Function;
+
+/**
+ * Message filter for link control opcodes.
+ *
+ * Note: this does not include link control messages carried by data messages with embedded link control.
+ */
+public class LinkControlMessageFilter extends Filter<IMessage, LCOpcode>
+{
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructs an instance
+     *
+     * @param name of this filter
+     */
+    public LinkControlMessageFilter(String name, Collection<LCOpcode> opcodes)
+    {
+        super(name);
+
+        for(LCOpcode opcode: opcodes)
+        {
+            add(new FilterElement<>(opcode));
+        }
+    }
+
+    @Override
+    public Function<IMessage, LCOpcode> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,LCOpcode>
+    {
+        @Override
+        public LCOpcode apply(IMessage message)
+        {
+            if(message instanceof LCMessage lcMessage)
+            {
+                return lcMessage.getOpcode();
+            }
+
+            return null;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/LinkControlMessageFilterSet.java

@@ -0,0 +1,66 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.FilterSet;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCOpcode;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Filter set for short & voice-fragment link control messages
+ *
+ * Note: this filter set does NOT work for link control messages in Data Message with Link Control.
+ */
+public class LinkControlMessageFilterSet extends FilterSet<IMessage>
+{
+    /**
+     * Constructor
+     */
+    public LinkControlMessageFilterSet()
+    {
+        super("Short/Voice-Fragment Link Control Messages");
+
+        List<LCOpcode> fullLinkControl = new ArrayList<>();
+        List<LCOpcode> shortLinkControl = new ArrayList<>();
+        for(LCOpcode opcode: LCOpcode.values())
+        {
+            if(opcode.isFull())
+            {
+                fullLinkControl.add(opcode);
+            }
+            else
+            {
+                shortLinkControl.add(opcode);
+            }
+        }
+
+        addFilter(new LinkControlMessageFilter("Full Link Control", fullLinkControl));
+        addFilter(new LinkControlMessageFilter("Short Link Control", shortLinkControl));
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return message instanceof LCMessage && super.canProcess(message);
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/filter/VoiceMessageFilter.java

@@ -0,0 +1,86 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
+import io.github.dsheirer.module.decode.dmr.message.voice.VoiceMessage;
+import java.util.function.Function;
+
+/**
+ * Filter for voice messages
+ */
+public class VoiceMessageFilter extends Filter<IMessage, DMRSyncPattern>
+{
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructs an instance
+     */
+    public VoiceMessageFilter()
+    {
+        super("Voice Messages");
+        add(new FilterElement<>(DMRSyncPattern.BASE_STATION_VOICE));
+        add(new FilterElement<>(DMRSyncPattern.BS_VOICE_FRAME_B));
+        add(new FilterElement<>(DMRSyncPattern.BS_VOICE_FRAME_C));
+        add(new FilterElement<>(DMRSyncPattern.BS_VOICE_FRAME_D));
+        add(new FilterElement<>(DMRSyncPattern.BS_VOICE_FRAME_E));
+        add(new FilterElement<>(DMRSyncPattern.BS_VOICE_FRAME_F));
+        add(new FilterElement<>(DMRSyncPattern.MOBILE_STATION_VOICE));
+        add(new FilterElement<>(DMRSyncPattern.MS_VOICE_FRAME_B));
+        add(new FilterElement<>(DMRSyncPattern.MS_VOICE_FRAME_C));
+        add(new FilterElement<>(DMRSyncPattern.MS_VOICE_FRAME_D));
+        add(new FilterElement<>(DMRSyncPattern.MS_VOICE_FRAME_E));
+        add(new FilterElement<>(DMRSyncPattern.MS_VOICE_FRAME_F));
+        add(new FilterElement<>(DMRSyncPattern.DIRECT_MODE_VOICE_TIMESLOT_1));
+        add(new FilterElement<>(DMRSyncPattern.DIRECT_MODE_VOICE_TIMESLOT_2));
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return message instanceof VoiceMessage && super.canProcess(message);
+    }
+
+    @Override
+    public Function<IMessage,DMRSyncPattern> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,DMRSyncPattern>
+    {
+        @Override
+        public DMRSyncPattern apply(IMessage message)
+        {
+            if(message instanceof VoiceMessage voice)
+            {
+                return voice.getSyncPattern();
+            }
+
+            return null;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/type/DataType.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -27,18 +27,18 @@ public enum DataType
     VOICE_HEADER(1, 288, "VOICE HEADER"),
     TLC(2, 288,  "TERMINATOR"),
     CSBK(3, 288, "CSBK"),
-    MBC_HEADER(4, 288, "MBC HEADER"),
-    MBC_BLOCK(5, 276,  "MBC"),
+    MBC_HEADER(4, 288, "MULTI-BLOCK CONTROL HEADER"),
+    MBC_BLOCK(5, 276,  "MULTI-BLOCK CONTROL BLOCK"),
     DATA_HEADER(6, 288,  "DATA HEADER"),
     RATE_1_OF_2_DATA(7, 276, "RATE 1/2 PACKET"),
     RATE_3_OF_4_DATA(8, 276,  "RATE 3/4 PACKET"),
     SLOT_IDLE(9, 276, "IDLE"),
     RATE_1_DATA(10, 276,  "RATE 1/1 PACKET"),
     USB_DATA(11, 276,  "UNIFIED SINGLE BLOCK DATA"),
-    MBC_ENC_HEADER(12, 276,  "MBC ENCRYPTED HEADER"),
+    MBC_ENC_HEADER(12, 276,  "MULTI-BLOCK CONTROL ENCRYPTED HEADER"),
     DATA_ENC_HEADER(13, 276, "DATA ENCRYPTED HEADER"),
     CHANNEL_CONTROL_ENC_HEADER(14, 276,  "CONTROL CHANNEL ENCRYPTED HEADER"),
-    RESERVED_15(15, -1,  "RESERVED"),
+    RESERVED_15(15, -1,  "RESERVED 15"),
     UNKNOWN(-1, -1,  "UNKNOWN");
 
     private int mValue;

src/main/java/io/github/dsheirer/module/decode/event/ClearableHistoryModel.java

@@ -0,0 +1,125 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.event;
+
+import java.awt.EventQueue;
+import java.util.LinkedList;
+import java.util.List;
+
+import javax.swing.table.AbstractTableModel;
+
+/**
+ * AbstractTableModel implementation supporting clearable method options.
+ */
+public abstract class ClearableHistoryModel<T> extends AbstractTableModel
+{
+    public static final int DEFAULT_HISTORY_SIZE = 200;
+    private LinkedList<T> mItems = new LinkedList<>();
+    private int mHistorySize = DEFAULT_HISTORY_SIZE;
+
+    /**
+     * Access an item/row by the model index value.
+     * @param index to retrieve
+     * @return item or null
+     */
+    public T getItem(int index)
+    {
+        if(index < mItems.size())
+        {
+            return mItems.get(index);
+        }
+
+        return null;
+    }
+
+    /**
+     * Adds the item to the top of the item list and removes any tail items while the item list size exceeds the
+     * maximum history size for this model.
+     * @param item to add
+     */
+    public void add(T item)
+    {
+        mItems.addFirst(item);
+        ClearableHistoryModel.this.fireTableRowsInserted(0, 0);
+        while(mItems.size() > mHistorySize)
+        {
+            mItems.removeLast();
+            super.fireTableRowsDeleted(mItems.size() - 1, mItems.size() - 1);
+        }
+    }
+
+    /**
+     * Clears all messages from history
+     */
+    public void clear()
+    {
+        EventQueue.invokeLater(() -> {
+            mItems.clear();
+            fireTableDataChanged();
+        });
+    }
+
+    /**
+     * Clears the current messages and loads the messages argument
+     */
+    public void clearAndSet(List<T> items)
+    {
+        EventQueue.invokeLater(() -> {
+            mItems.clear();
+            fireTableDataChanged();
+            for(T item: items)
+            {
+                add(item);
+            }
+        });
+    }
+
+    /**
+     * Current history size
+     * @return history size
+     */
+    public int getHistorySize()
+    {
+        return mHistorySize;
+    }
+
+    /**
+     * Resets the history size to the default value.
+     */
+    public void resetHistorySize()
+    {
+        setHistorySize(DEFAULT_HISTORY_SIZE);
+    }
+
+    /**
+     * Sets the history size
+     * @param historySize
+     */
+    public void setHistorySize(int historySize)
+    {
+        mHistorySize = historySize;
+    }
+
+    @Override
+    public int getRowCount()
+    {
+        return mItems.size();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/event/DecodeEvent.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -32,27 +32,33 @@ public class DecodeEvent implements IDecodeEvent
 {
     private long mTimeStart;
     private long mTimeEnd;
-    private String mEventDescription;
     private DecodeEventType mDecodeEventType;
     private IdentifierCollection mIdentifierCollection;
     private IChannelDescriptor mChannelDescriptor;
     private String mDetails;
     private Protocol mProtocol;
-    private Integer mTimeslot;
+    private int mTimeslot = -1;
 
-    public DecodeEvent(long start)
+    /**
+     * Constructs an instance
+     * @param decodeEventType is mandatory to support event filtering by event type.
+     * @param start time of the event.
+     */
+    public DecodeEvent(DecodeEventType decodeEventType, long start)
     {
+        mDecodeEventType = decodeEventType;
         mTimeStart = start;
     }
 
     /**
      * Creates a new decode event builder with the specified start timestamp.
+     * @param decodeEventType for the event
      * @param timeStart for the event
      * @return builder
      */
-    public static DecodeEventBuilder builder(long timeStart)
+    public static DecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart)
     {
-        return new DecodeEventBuilder(timeStart);
+        return new DecodeEventBuilder(decodeEventType, timeStart);
     }
 
     /**
@@ -115,23 +121,6 @@ public class DecodeEvent implements IDecodeEvent
         mTimeEnd = mTimeStart + duration;
     }
 
-    /**
-     * Event description
-     */
-    @Override
-    public String getEventDescription()
-    {
-        return mEventDescription;
-    }
-
-    /**
-     * Sets the event description text
-     */
-    public void setEventDescription(String description)
-    {
-        mEventDescription = description;
-    }
-
     /**
      * {@link DecodeEventType}
      */
@@ -140,13 +129,6 @@ public class DecodeEvent implements IDecodeEvent
         return mDecodeEventType;
     }
 
-    /**
-     * Sets the {@link DecodeEventType}
-     */
-    public void setEventType(DecodeEventType eventType) {
-        this.mDecodeEventType = eventType;
-    }
-
     /**
      * Identifier collection for this event.
      */
@@ -222,24 +204,24 @@ public class DecodeEvent implements IDecodeEvent
      * @return timeslot or default value of 0
      */
     @Override
-    public Integer getTimeslot()
+    public int getTimeslot()
     {
         return mTimeslot;
     }
 
     /**
-     * Indicates if this event specifies a timeslot
+     * Indicates if this event specifies a timeslot that is not negative
      */
     public boolean hasTimeslot()
     {
-        return mTimeslot != null;
+        return mTimeslot >= 0;
     }
 
     /**
      * Sets the timeslot for this event
      * @param timeslot of the event
      */
-    public void setTimeslot(Integer timeslot)
+    public void setTimeslot(int timeslot)
     {
         mTimeslot = timeslot;
     }
@@ -249,7 +231,7 @@ public class DecodeEvent implements IDecodeEvent
     {
         StringBuilder sb = new StringBuilder();
         sb.append(mProtocol);
-        sb.append(" DECODE EVENT: ").append(getEventDescription());
+        sb.append(" DECODE EVENT: ").append(getEventType());
         sb.append(" DETAILS:").append(getDetails());
         if(mIdentifierCollection != null)
         {
@@ -267,19 +249,19 @@ public class DecodeEvent implements IDecodeEvent
     {
         protected long mTimeStart;
         protected long mDuration;
-        protected String mEventDescription;
         protected DecodeEventType mDecodeEventType;
         protected IdentifierCollection mIdentifierCollection;
         protected IChannelDescriptor mChannelDescriptor;
         protected String mDetails;
         protected Protocol mProtocol = Protocol.UNKNOWN;
-        protected Integer mTimeslot;
+        protected int mTimeslot = -1;
 
         /**
          * Constructs a builder instance with the specified start time in milliseconds
          */
-        public DecodeEventBuilder(long timeStart)
+        public DecodeEventBuilder(DecodeEventType decodeEventType, long timeStart)
         {
+            mDecodeEventType = decodeEventType;
             mTimeStart = timeStart;
         }
 
@@ -313,25 +295,6 @@ public class DecodeEvent implements IDecodeEvent
             return this;
         }
 
-        /**
-         * Sets the Decode Event type for this event.
-         * @param eventType
-         */
-        public DecodeEventBuilder eventType(DecodeEventType eventType) {
-            mDecodeEventType = eventType;
-            return this;
-        }
-
-        /**
-         * Sets the event description text
-         * @param description of the event
-         */
-        public DecodeEventBuilder eventDescription(String description)
-        {
-            mEventDescription = description;
-            return this;
-        }
-
         /**
          * Sets the identifier collection.
          * @param identifierCollection containing optional identifiers like TO, FROM, frequency and
@@ -363,7 +326,12 @@ public class DecodeEvent implements IDecodeEvent
             return this;
         }
 
-        public DecodeEventBuilder timeslot(Integer timeslot)
+        /**
+         * Sets the timeslot for this event
+         * @param timeslot
+         * @return
+         */
+        public DecodeEventBuilder timeslot(int timeslot)
         {
             mTimeslot = timeslot;
             return this;
@@ -374,12 +342,10 @@ public class DecodeEvent implements IDecodeEvent
          */
         public DecodeEvent build()
         {
-            DecodeEvent decodeEvent = new DecodeEvent(mTimeStart);
+            DecodeEvent decodeEvent = new DecodeEvent(mDecodeEventType, mTimeStart);
             decodeEvent.setChannelDescriptor(mChannelDescriptor);
             decodeEvent.setDetails(mDetails);
             decodeEvent.setDuration(mDuration);
-            decodeEvent.setEventType(mDecodeEventType);
-            decodeEvent.setEventDescription(mEventDescription);
             decodeEvent.setIdentifierCollection(mIdentifierCollection);
             decodeEvent.setProtocol(mProtocol);
             decodeEvent.setTimeslot(mTimeslot);

src/main/java/io/github/dsheirer/module/decode/event/DecodeEventModel.java

@@ -21,25 +21,20 @@ package io.github.dsheirer.module.decode.event;
 import com.google.common.eventbus.Subscribe;
 import io.github.dsheirer.channel.IChannelDescriptor;
 import io.github.dsheirer.eventbus.MyEventBus;
-import io.github.dsheirer.filter.FilterSet;
 import io.github.dsheirer.identifier.IdentifierCollection;
-import io.github.dsheirer.module.decode.event.filter.DecodeEventFilterSet;
-import io.github.dsheirer.module.decode.event.filter.EventFilterProvider;
 import io.github.dsheirer.preference.PreferenceType;
 import io.github.dsheirer.sample.Listener;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
+import java.awt.EventQueue;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.swing.table.AbstractTableModel;
-
-public class DecodeEventModel extends AbstractTableModel implements Listener<IDecodeEvent>, EventFilterProvider<IDecodeEvent>
+/**
+ * Decode event table model
+ */
+public class DecodeEventModel extends ClearableHistoryModel<IDecodeEvent> implements Listener<IDecodeEvent>
 {
     private static final long serialVersionUID = 1L;
     private final static Logger mLog = LoggerFactory.getLogger(DecodeEventModel.class);
-
     public static final int COLUMN_TIME = 0;
     public static final int COLUMN_DURATION = 1;
     public static final int COLUMN_EVENT = 2;
@@ -50,12 +45,6 @@ public class DecodeEventModel extends AbstractTableModel implements Listener<IDe
     public static final int COLUMN_CHANNEL = 7;
     public static final int COLUMN_FREQUENCY = 8;
     public static final int COLUMN_DETAILS = 9;
-
-    protected int mMaxMessages = 200;
-
-    protected List<IDecodeEvent> mEvents = new ArrayList<>();
-    protected FilterSet<IDecodeEvent> mEventFilterSet = new DecodeEventFilterSet();
-
     protected String[] mHeaders = new String[]{"Time", "Duration", "Event", "From", "Alias", "To", "Alias", "Channel", "Frequency", "Details"};
 
     public DecodeEventModel()
@@ -70,72 +59,10 @@ public class DecodeEventModel extends AbstractTableModel implements Listener<IDe
     @Subscribe
     public void preferenceUpdated(PreferenceType preferenceType)
     {
-        if(preferenceType == PreferenceType.DECODE_EVENT)
+        if(preferenceType == PreferenceType.DECODE_EVENT || preferenceType == PreferenceType.TALKGROUP_FORMAT)
         {
-            for(int row = 0; row < mEvents.size(); row++)
-            {
-                fireTableCellUpdated(row, COLUMN_TIME);
-            }
+            fireTableDataChanged();
         }
-        else if(preferenceType == PreferenceType.TALKGROUP_FORMAT)
-        {
-            for(int row = 0; row < mEvents.size(); row++)
-            {
-                fireTableCellUpdated(row, COLUMN_FROM_ID);
-                fireTableCellUpdated(row, COLUMN_TO_ID);
-            }
-        }
-    }
-
-    /**
-     * Access the complete list of events managed by this model.
-     */
-    public List<IDecodeEvent> getEvents()
-    {
-        return new ArrayList<>(mEvents);
-    }
-
-    public void dispose()
-    {
-        MyEventBus.getGlobalEventBus().unregister(this);
-        Iterator<IDecodeEvent> it = mEvents.iterator();
-
-        while(it.hasNext())
-        {
-            it.remove();
-        }
-    }
-
-    public void clear()
-    {
-        mEvents.clear();
-        fireTableDataChanged();
-    }
-
-    /**
-     * Clears all events from this model and loads the events argument
-     */
-    public void clearAndSet(List<IDecodeEvent> events)
-    {
-        mEvents.clear();
-        mEvents.addAll(events);
-        fireTableDataChanged();
-    }
-
-    public void reset()
-    {
-        dispose();
-        fireTableDataChanged();
-    }
-
-    public int getMaxMessageCount()
-    {
-        return mMaxMessages;
-    }
-
-    public void setMaxMessageCount(int count)
-    {
-        mMaxMessages = count;
     }
 
     /**
@@ -146,49 +73,7 @@ public class DecodeEventModel extends AbstractTableModel implements Listener<IDe
      */
     public void receive(final IDecodeEvent event)
     {
-        //Disabled until #1368 decode event is fully implemented
-//        if (!mEventFilterSet.passes(event))
-//        {
-//            return;
-//        }
-
-        if(!mEvents.contains(event))
-        {
-            mEvents.add(0, event);
-            fireTableRowsInserted(0, 0);
-            prune();
-        }
-        else
-        {
-            int row = mEvents.indexOf(event);
-            fireTableRowsUpdated(row, row);
-        }
-    }
-
-    private void prune()
-    {
-        while(mEvents.size() > mMaxMessages)
-        {
-            int index = mEvents.size() - 1;
-            mEvents.remove(index);
-            fireTableRowsDeleted(index, index);
-        }
-    }
-
-    @Override
-    public FilterSet<IDecodeEvent> getFilterSet() {
-        return mEventFilterSet;
-    }
-
-    @Override
-    public void setFilterSet(FilterSet<IDecodeEvent> filterSet) {
-        this.mEventFilterSet = filterSet;
-    }
-
-    @Override
-    public int getRowCount()
-    {
-        return mEvents.size();
+        EventQueue.invokeLater(() -> add(event));
     }
 
     @Override
@@ -205,58 +90,55 @@ public class DecodeEventModel extends AbstractTableModel implements Listener<IDe
     @Override
     public Object getValueAt(int rowIndex, int columnIndex)
     {
-        synchronized(mEvents)
+        IDecodeEvent event = getItem(rowIndex);
+
+        if(event != null)
         {
-            IDecodeEvent event = mEvents.get(rowIndex);
-
-            if(event != null)
+            switch(columnIndex)
             {
-                switch(columnIndex)
-                {
-                    case COLUMN_TIME:
-                        return event.getTimeStart();
-                    case COLUMN_DURATION:
-                        return event.getDuration();
-                    case COLUMN_EVENT:
-                        return event.getEventDescription();
-                    case COLUMN_FROM_ID:
-                        return event.getIdentifierCollection();
-                    case COLUMN_FROM_ALIAS:
-                        return event.getIdentifierCollection();
-                    case COLUMN_TO_ID:
-                        return event.getIdentifierCollection();
-                    case COLUMN_TO_ALIAS:
-                        return event.getIdentifierCollection();
-                    case COLUMN_CHANNEL:
-                        IChannelDescriptor channelDescriptor = event.getChannelDescriptor();
+                case COLUMN_TIME:
+                    return event.getTimeStart();
+                case COLUMN_DURATION:
+                    return event.getDuration();
+                case COLUMN_EVENT:
+                    return event.getEventType().getLabel();
+                case COLUMN_FROM_ID:
+                    return event.getIdentifierCollection();
+                case COLUMN_FROM_ALIAS:
+                    return event.getIdentifierCollection();
+                case COLUMN_TO_ID:
+                    return event.getIdentifierCollection();
+                case COLUMN_TO_ALIAS:
+                    return event.getIdentifierCollection();
+                case COLUMN_CHANNEL:
+                    IChannelDescriptor channelDescriptor = event.getChannelDescriptor();
 
-                        if(channelDescriptor != null)
+                    if(channelDescriptor != null)
+                    {
+                        if(event.hasTimeslot())
                         {
-                            if(event.hasTimeslot())
-                            {
-                                return channelDescriptor.toString() + " TS:" + event.getTimeslot();
-                            }
-                            else
-                            {
-                                return channelDescriptor.toString();
-                            }
+                            return channelDescriptor + " TS:" + event.getTimeslot();
                         }
                         else
                         {
-                            if(event.hasTimeslot())
-                            {
-                                return "TS:" + event.getTimeslot();
-                            }
-                            else
-                            {
-                                return null;
-                            }
+                            return channelDescriptor.toString();
                         }
-                    case COLUMN_FREQUENCY:
-                        return event.getChannelDescriptor();
-                    case COLUMN_DETAILS:
-                        return event.getDetails();
-                }
+                    }
+                    else
+                    {
+                        if(event.hasTimeslot())
+                        {
+                            return "TS:" + event.getTimeslot();
+                        }
+                        else
+                        {
+                            return null;
+                        }
+                    }
+                case COLUMN_FREQUENCY:
+                    return event.getChannelDescriptor();
+                case COLUMN_DETAILS:
+                    return event.getDetails();
             }
         }
 

src/main/java/io/github/dsheirer/module/decode/event/DecodeEventPanel.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,7 +25,6 @@ import io.github.dsheirer.alias.AliasList;
 import io.github.dsheirer.alias.AliasModel;
 import io.github.dsheirer.channel.IChannelDescriptor;
 import io.github.dsheirer.eventbus.MyEventBus;
-import io.github.dsheirer.filter.AllPassFilter;
 import io.github.dsheirer.filter.FilterSet;
 import io.github.dsheirer.icon.IconModel;
 import io.github.dsheirer.identifier.Form;
@@ -33,10 +32,7 @@ import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.IdentifierCollection;
 import io.github.dsheirer.identifier.Role;
 import io.github.dsheirer.module.ProcessingChain;
-import io.github.dsheirer.module.decode.event.filter.EventClearButton;
-import io.github.dsheirer.module.decode.event.filter.EventClearHandler;
-import io.github.dsheirer.module.decode.event.filter.EventFilterButton;
-import io.github.dsheirer.module.decode.event.filter.EventFilterProvider;
+import io.github.dsheirer.module.decode.event.filter.DecodeEventFilterSet;
 import io.github.dsheirer.preference.PreferenceType;
 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.preference.swing.JTableColumnWidthMonitor;
@@ -58,7 +54,10 @@ import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTable;
+import javax.swing.RowFilter;
 import javax.swing.table.DefaultTableCellRenderer;
+import javax.swing.table.TableModel;
+import javax.swing.table.TableRowSorter;
 
 public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain>
 {
@@ -75,7 +74,10 @@ public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain
     private AliasModel mAliasModel;
     private UserPreferences mUserPreferences;
     private TimestampCellRenderer mTimestampCellRenderer;
-    private EventManagementPanel mEventManagementPanel;
+    private FilterSet<IDecodeEvent> mFilterSet = new DecodeEventFilterSet();
+    private TableRowSorter<TableModel> mTableRowSorter;
+    private HistoryManagementPanel<IDecodeEvent> mHistoryManagementPanel;
+
 
     /**
      * View for call event table
@@ -91,17 +93,20 @@ public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain
         mUserPreferences = userPreferences;
         mTimestampCellRenderer = new TimestampCellRenderer();
         mTable = new JTable(mEventModel);
-        mTable.setAutoCreateRowSorter(true);
+        mTableRowSorter = new TableRowSorter<>(mEventModel);
+        mTableRowSorter.setRowFilter(new EventRowFilter());
+        mTable.setRowSorter(mTableRowSorter);
         mTable.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
-        mEventManagementPanel = new EventManagementPanel();
         mTableColumnWidthMonitor = new JTableColumnWidthMonitor(mUserPreferences, mTable, TABLE_PREFERENCE_KEY);
         updateCellRenderers();
-
-        //Disabled until #1368 decode event is fully implemented
-//        add(mEventManagementPanel, "span,growx");
-
+        mHistoryManagementPanel = new HistoryManagementPanel<>(mEventModel, "Event Filter Editor");
+        mHistoryManagementPanel.updateFilterSet(mFilterSet);
+        add(mHistoryManagementPanel, "span,growx");
         mEmptyScroller = new JScrollPane(mTable);
         add(mEmptyScroller);
+
+        //Register filter change listener to refresh the table any time the event filters are changed.
+        mFilterSet.register(() -> mEventModel.fireTableDataChanged());
     }
 
     public void dispose()
@@ -124,22 +129,14 @@ public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain
 
     private void updateCellRenderers()
     {
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TIME)
-            .setCellRenderer(mTimestampCellRenderer);
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_DURATION)
-            .setCellRenderer(new DurationCellRenderer());
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ID)
-            .setCellRenderer(new IdentifierCellRenderer(Role.FROM));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ALIAS)
-            .setCellRenderer(new AliasedIdentifierCellRenderer(Role.FROM));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ID)
-            .setCellRenderer(new IdentifierCellRenderer(Role.TO));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ALIAS)
-            .setCellRenderer(new AliasedIdentifierCellRenderer(Role.TO));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_CHANNEL)
-            .setCellRenderer(new ChannelDescriptorCellRenderer());
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FREQUENCY)
-            .setCellRenderer(new FrequencyCellRenderer());
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TIME).setCellRenderer(mTimestampCellRenderer);
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_DURATION).setCellRenderer(new DurationCellRenderer());
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ID).setCellRenderer(new IdentifierCellRenderer(Role.FROM));
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ALIAS).setCellRenderer(new AliasedIdentifierCellRenderer(Role.FROM));
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ID).setCellRenderer(new IdentifierCellRenderer(Role.TO));
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ALIAS).setCellRenderer(new AliasedIdentifierCellRenderer(Role.TO));
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_CHANNEL).setCellRenderer(new ChannelDescriptorCellRenderer());
+        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FREQUENCY).setCellRenderer(new FrequencyCellRenderer());
     }
 
     @Override
@@ -156,76 +153,17 @@ public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain
                 mCurrentEventHistory = processingChain.getDecodeEventHistory();
                 mEventModel.clearAndSet(mCurrentEventHistory.getItems());
                 processingChain.getDecodeEventHistory().addListener(mEventModel);
-                mEventManagementPanel.enableButtons();
+                mHistoryManagementPanel.setEnabled(true);
             }
             else
             {
                 mCurrentEventHistory = null;
                 mEventModel.clearAndSet(Collections.emptyList());
-                mEventManagementPanel.disableButtons();
+                mHistoryManagementPanel.setEnabled(false);
             }
         });
     }
 
-    public class EventManagementPanel extends JPanel
-    {
-        private static final long serialVersionUID = 1L;
-
-        private EventFilterButton<IDecodeEvent> mFilterButton;
-        private EventClearButton mEventClearButton;
-
-        public EventManagementPanel()
-        {
-            setLayout(new MigLayout("insets 2 2 5 5", "[]5[left,grow]", ""));
-
-            initializeFilterButton();
-            initializeClearButton();
-            disableButtons();
-
-            add(mFilterButton);
-            add(mEventClearButton);
-        }
-
-        public void enableButtons()
-        {
-            mFilterButton.setEnabled(true);
-            mEventClearButton.setEnabled(true);
-        }
-
-        public void disableButtons()
-        {
-            mFilterButton.setEnabled(false);
-            mEventClearButton.setEnabled(false);
-        }
-
-        private void initializeFilterButton()
-        {
-            EventFilterProvider<IDecodeEvent> filterProvider = (EventFilterProvider<IDecodeEvent>) mTable.getModel();
-            FilterSet<IDecodeEvent> filterSet = new FilterSet<>(new AllPassFilter<>());
-            if (filterProvider != null) {
-                filterSet = filterProvider.getFilterSet();
-            }
-            mFilterButton = new EventFilterButton<>("Message Filter Editor", filterSet);
-        }
-
-        private void initializeClearButton() {
-            mEventClearButton = new EventClearButton(
-                    ((DecodeEventModel) mTable.getModel()).getMaxMessageCount()
-            );
-            mEventClearButton.setEventClearHandler(new EventClearHandler() {
-                @Override
-                public void onHistoryLimitChanged(int newHistoryLimit) {
-                    ((DecodeEventModel) mTable.getModel()).setMaxMessageCount(newHistoryLimit);
-                }
-
-                @Override
-                public void onClearHistoryClicked() {
-                    ((DecodeEventModel) mTable.getModel()).clear();
-                }
-            });
-        }
-    }
-
     /**
      * Custom cell renderer for displaying identifiers from an identifier collection
      */
@@ -479,4 +417,26 @@ public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain
             setHorizontalAlignment(JLabel.CENTER);
         }
     }
+
+    /**
+     * Row filter for decode events
+     */
+    public class EventRowFilter extends RowFilter<TableModel, Integer>
+    {
+        @Override
+        public boolean include(Entry<? extends TableModel, ? extends Integer> entry)
+        {
+            if(entry.getModel() instanceof DecodeEventModel model)
+            {
+                IDecodeEvent event = model.getItem(entry.getIdentifier());
+
+                if(event != null)
+                {
+                    return mFilterSet.canProcess(event) && mFilterSet.passes(event);
+                }
+            }
+
+            return false;
+        }
+    }
 }

src/main/java/io/github/dsheirer/module/decode/event/DecodeEventType.java

@@ -14,11 +14,17 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.event;
 
+import java.util.Arrays;
+import java.util.EnumSet;
+
+/**
+ * Enumeration of event types for decoded events.
+ */
 public enum DecodeEventType
 {
     AFFILIATE("Affiliate"),
@@ -43,6 +49,7 @@ public enum DecodeEventType
     CALL_UNIT_TO_UNIT_ENCRYPTED("Encrypted Unit To Unit Call"),
     CALL_NO_TUNER("Call - No Tuner"),
     CALL_TIMEOUT("Call Timeout"),
+    CELLOCATOR("Cellocator"),
     COMMAND("Command"),
     DATA_CALL("Data Call"),
     DATA_CALL_ENCRYPTED("Encrypted Data Call"),
@@ -55,6 +62,7 @@ public enum DecodeEventType
     ID_ANI("ANI"),
     ID_UNIQUE("Unique ID"),
     IP_PACKET("IP Packet"),
+    LRRP("Motorola LRRP"),
     NOTIFICATION("Notification"),
     PAGE("Page"),
     QUERY("Query"),
@@ -74,16 +82,82 @@ public enum DecodeEventType
 
     private String mLabel;
 
+    /**
+     * Encrypted voice call event types for filtering
+     */
+    public static final EnumSet<DecodeEventType> VOICE_CALLS_ENCRYPTED = EnumSet.of(DecodeEventType.CALL_ENCRYPTED,
+        DecodeEventType.CALL_GROUP_ENCRYPTED, DecodeEventType.CALL_PATCH_GROUP_ENCRYPTED,
+        DecodeEventType.CALL_INTERCONNECT_ENCRYPTED, DecodeEventType.CALL_UNIT_TO_UNIT_ENCRYPTED);
+
+    /**
+     * Voice call event types for filtering
+     */
+    public static final EnumSet<DecodeEventType> VOICE_CALLS = EnumSet.of(DecodeEventType.CALL_GROUP,
+            DecodeEventType.CALL_PATCH_GROUP, DecodeEventType.CALL_ALERT, DecodeEventType.CALL_DETECT,
+            DecodeEventType.CALL_DO_NOT_MONITOR, DecodeEventType.CALL_END, DecodeEventType.CALL_INTERCONNECT,
+            DecodeEventType.CALL_UNIQUE_ID, DecodeEventType.CALL_UNIT_TO_UNIT, DecodeEventType.CALL_NO_TUNER,
+            DecodeEventType.CALL_TIMEOUT);
+
+    /**
+     * Command event types for filtering
+     */
+    public static final EnumSet<DecodeEventType> COMMANDS = EnumSet.of(DecodeEventType.ANNOUNCEMENT,
+            DecodeEventType.STATION_ID, DecodeEventType.ACKNOWLEDGE, DecodeEventType.PAGE, DecodeEventType.QUERY,
+            DecodeEventType.RADIO_CHECK, DecodeEventType.STATUS, DecodeEventType.COMMAND, DecodeEventType.EMERGENCY,
+            DecodeEventType.NOTIFICATION, DecodeEventType.FUNCTION);
+
+    /**
+     * Data call event types for filtering
+     */
+    public static final EnumSet<DecodeEventType> DATA_CALLS = EnumSet.of(DecodeEventType.DATA_CALL,
+            DecodeEventType.DATA_CALL_ENCRYPTED, DecodeEventType.DATA_PACKET, DecodeEventType.GPS,
+            DecodeEventType.IP_PACKET, DecodeEventType.UDP_PACKET, DecodeEventType.SDM, DecodeEventType.ID_ANI,
+            DecodeEventType.ID_UNIQUE);
+
+    /**
+     * Registration event types for filtering
+     */
+    public static final EnumSet<DecodeEventType> REGISTRATION = EnumSet.of(DecodeEventType.AFFILIATE,
+            DecodeEventType.AUTOMATIC_REGISTRATION_SERVICE, DecodeEventType.REGISTER, DecodeEventType.REGISTER_ESN,
+            DecodeEventType.DEREGISTER, DecodeEventType.REQUEST, DecodeEventType.RESPONSE, DecodeEventType.RESPONSE_PACKET);
+
+    /**
+     * All other event types of this enumeration that are not included in the groupings above.
+     */
+    public static final EnumSet<DecodeEventType> OTHERS = EnumSet.copyOf(Arrays.stream(DecodeEventType.values())
+            .filter(decodeEventType -> !decodeEventType.isGrouped()).toList());
+
+    /**
+     * Constructor
+     * @param label for the element
+     */
     DecodeEventType(String label)
     {
         mLabel = label;
     }
 
+    /**
+     * Indicates if the enumeration element is contained in one of the enumset groupings above.
+     * @return true if the element is grouped.
+     */
+    public boolean isGrouped()
+    {
+        return VOICE_CALLS.contains(this) || VOICE_CALLS_ENCRYPTED.contains(this) || COMMANDS.contains(this) ||
+                DATA_CALLS.contains(this) || REGISTRATION.contains(this);
+    }
+
+    /**
+     * Label or pretty value for the element
+     * @return label
+     */
     public String getLabel()
     {
         return mLabel;
     }
 
+    /**
+     * Uses label as the default string value.
+     */
     public String toString()
     {
         return mLabel;

src/main/java/io/github/dsheirer/module/decode/event/HistoryManagementPanel.java

@@ -0,0 +1,212 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.event;
+
+import io.github.dsheirer.filter.FilterEditor;
+import io.github.dsheirer.filter.FilterSet;
+import java.awt.EventQueue;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import net.miginfocom.swing.MigLayout;
+
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JSlider;
+import javax.swing.SwingUtilities;
+
+/**
+ * History management panel with controls for managing item histories.
+ */
+public class HistoryManagementPanel<T> extends JPanel
+{
+    private ClearableHistoryModel mModel;
+    private FilterSet<T> mFilterSet;
+    private FilterEditor<T> mFilterEditor;
+    private JButton mClearButton;
+    private JButton mFilterButton;
+    private JSlider mHistorySlider;
+    private JLabel mHistoryTitleLabel;
+    private JLabel mHistoryValueLabel;
+    private String mFilterEditorTitle;
+
+    /**
+     * Constructs an instance
+     * @param model to manage
+     */
+    public HistoryManagementPanel(ClearableHistoryModel model, String filterEditorTitle)
+    {
+        mModel = model;
+        mFilterEditorTitle = filterEditorTitle;
+        setLayout(new MigLayout("insets 6 1 5 5", "[]5[]10[]5[]5[][grow]", ""));
+        add(getFilterButton());
+        add(getClearButton());
+        add(getHistoryTitleLabel());
+        add(getHistorySlider());
+        add(getHistoryValueLabel());
+        setEnabled(false);
+    }
+
+    /**
+     * Updates the filter set
+     * @param filterSet to use
+     */
+    public void updateFilterSet(FilterSet<T> filterSet)
+    {
+        mFilterSet = filterSet;
+
+        if(mFilterEditor != null)
+        {
+            getFilterEditor().updateFilterSet(filterSet);
+        }
+    }
+
+    /**
+     * Overrides the panel method to also set the enabled state for the child controls.
+     * @param enabled true if this component should be enabled, false otherwise
+     */
+    @Override
+    public void setEnabled(boolean enabled)
+    {
+        super.setEnabled(enabled);
+        getClearButton().setEnabled(enabled);
+        getFilterButton().setEnabled(enabled);
+        getHistoryValueLabel().setEnabled(enabled);
+        getHistoryTitleLabel().setEnabled(enabled);
+        getHistorySlider().setEnabled(enabled);
+    }
+
+    /**
+     * Filter editor
+     * @return editor lazily constructed
+     */
+    private FilterEditor<T> getFilterEditor()
+    {
+        if(mFilterEditor == null)
+        {
+            mFilterEditor = new FilterEditor<>(mFilterEditorTitle, getFilterButton(), mFilterSet);
+        }
+
+        return mFilterEditor;
+    }
+
+    /**
+     * Filter button for accessing the filter editor
+     * @return filter button
+     */
+    private JButton getFilterButton()
+    {
+        if(mFilterButton == null)
+        {
+            mFilterButton = new JButton("Filters");
+            mFilterButton.setToolTipText("Edit filters");
+            mFilterButton.addActionListener(arg0 -> EventQueue.invokeLater(() -> getFilterEditor().setVisible(true)));
+        }
+
+        return mFilterButton;
+    }
+
+    /**
+     * Clear button
+     * @return clear button
+     */
+    private JButton getClearButton()
+    {
+        if(mClearButton == null)
+        {
+            mClearButton = new JButton("Clear");
+            mClearButton.addActionListener(e -> mModel.clear());
+            mClearButton.setToolTipText("Clears the history");
+        }
+
+        return mClearButton;
+    }
+
+    /**
+     * History value label.
+     * @return label
+     */
+    private JLabel getHistoryValueLabel()
+    {
+        if(mHistoryValueLabel == null)
+        {
+            mHistoryValueLabel = new JLabel(String.valueOf(ClearableHistoryModel.DEFAULT_HISTORY_SIZE));
+        }
+
+        return mHistoryValueLabel;
+    }
+
+    /**
+     * History title label
+     * @return label
+     */
+    private JLabel getHistoryTitleLabel()
+    {
+        if(mHistoryTitleLabel == null)
+        {
+            mHistoryTitleLabel = new JLabel("History:");
+        }
+
+        return mHistoryTitleLabel;
+    }
+
+    /**
+     * History value slider control
+     * @return slider
+     */
+    private JSlider getHistorySlider()
+    {
+        if(mHistorySlider == null)
+        {
+            mHistorySlider = new JSlider();
+            mHistorySlider.setToolTipText("Adjust history size.  Double-click to reset to default 200");
+            mHistorySlider.setMinimum(0);
+            mHistorySlider.setMaximum(2000);
+            mHistorySlider.setMinorTickSpacing(25);
+            mHistorySlider.setMajorTickSpacing(500);
+            mHistorySlider.setPaintTicks(false);
+            mHistorySlider.setPaintLabels(false);
+            mHistorySlider.addMouseListener(new MouseListener()
+            {
+                @Override
+                public void mouseClicked(MouseEvent arg0)
+                {
+                    if(SwingUtilities.isLeftMouseButton(arg0) && arg0.getClickCount() == 2)
+                    {
+                        mHistorySlider.setValue(ClearableHistoryModel.DEFAULT_HISTORY_SIZE);
+                    }
+                }
+
+                public void mouseEntered(MouseEvent arg0) {}
+                public void mouseExited(MouseEvent arg0) {}
+                public void mousePressed(MouseEvent arg0) {}
+                public void mouseReleased(MouseEvent arg0) {}
+            });
+
+            mHistorySlider.setValue(mModel.getHistorySize());
+            mHistorySlider.addChangeListener(e -> {
+                mModel.setHistorySize(mHistorySlider.getValue());
+                getHistoryValueLabel().setText(String.valueOf(mHistorySlider.getValue()));
+            });
+        }
+
+        return mHistorySlider;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/event/IDecodeEvent.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -48,11 +48,6 @@ public interface IDecodeEvent
      */
     long getDuration();
 
-    /**
-     * A description of the event or event type
-     */
-    String getEventDescription();
-
     /**
      * Collection of identifiers associated with the event.  This collection should contain a
      * Role.FROM and a Role.TO identifier, a Decoder Type identifier, and (optionally) an Alias List
@@ -86,7 +81,7 @@ public interface IDecodeEvent
      * Timeslot for the event.
      * @return timeslot or default of 0
      */
-    Integer getTimeslot();
+    int getTimeslot();
 
     /**
      * Indicates if the event has a timeslot specified

src/main/java/io/github/dsheirer/module/decode/event/MessageActivityModel.java

@@ -18,19 +18,16 @@
  */
 package io.github.dsheirer.module.decode.event;
 
-import io.github.dsheirer.filter.AllPassFilter;
-import io.github.dsheirer.filter.FilterSet;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.message.StuffBitsMessage;
 import io.github.dsheirer.sample.Listener;
 import java.awt.EventQueue;
 import java.text.SimpleDateFormat;
-import java.util.LinkedList;
-import java.util.List;
 
-import javax.swing.table.AbstractTableModel;
-
-public class MessageActivityModel extends AbstractTableModel implements Listener<IMessage>
+/**
+ * Table Model for decoded IMessages.
+ */
+public class MessageActivityModel extends ClearableHistoryModel<MessageItem> implements Listener<IMessage>
 {
     private static final long serialVersionUID = 1L;
     private static final int TIME = 0;
@@ -38,95 +35,20 @@ public class MessageActivityModel extends AbstractTableModel implements Listener
     private static final int TIMESLOT = 2;
     private static final int MESSAGE = 3;
 
-    protected int mMaxMessages = 200;
-    protected LinkedList<MessageItem> mMessageItems = new LinkedList<>();
-    protected int[] mColumnWidths = {20, 20, 500};
-    protected String[] mHeaders = new String[]{"Time", "Protocol", "Timeslot", "Message"};
-
+    private String[] mHeaders = new String[]{"Time", "Protocol", "Timeslot", "Message"};
     private SimpleDateFormat mSDFTime = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss");
 
-    private FilterSet<IMessage> mMessageFilterSet = new FilterSet<>(new AllPassFilter<>());
-
+    /**
+     * Constructor
+     */
     public MessageActivityModel()
     {
     }
 
     /**
-     * Applies the filter set
+     * Implements the listener interface and wraps the IMessage in table-compatible message item wrapper.
+     * @param message to add to the model
      */
-    public void setFilters(FilterSet filterSet)
-    {
-        mMessageFilterSet = filterSet;
-    }
-
-    public void clearFilters()
-    {
-        mMessageFilterSet = new FilterSet<>(new AllPassFilter<>());
-    }
-
-    /**
-     * Clears all messages from history
-     */
-    public void clear()
-    {
-        EventQueue.invokeLater(() -> {
-            mMessageItems.clear();
-            fireTableDataChanged();
-        });
-    }
-
-    /**
-     * Clears the current messages and loads the messages argument
-     */
-    public void clearAndSet(List<IMessage> messages)
-    {
-        EventQueue.invokeLater(() -> {
-            mMessageItems.clear();
-            fireTableDataChanged();
-            for(IMessage message: messages)
-            {
-                receive(message);
-            }
-        });
-    }
-
-    public FilterSet<IMessage> getMessageFilterSet()
-    {
-        return mMessageFilterSet;
-    }
-
-    public void dispose()
-    {
-        mMessageItems.clear();
-    }
-
-    public int[] getColumnWidths()
-    {
-        return mColumnWidths;
-    }
-
-    public void setColumnWidths(int[] widths)
-    {
-        if(widths.length != 3)
-        {
-            throw new IllegalArgumentException("MessageActivityModel - column widths array should have 3 elements");
-        }
-        else
-        {
-            mColumnWidths = widths;
-        }
-    }
-
-    public int getMaxMessageCount()
-    {
-        return mMaxMessages;
-    }
-
-    public void setMaxMessageCount(int count)
-    {
-        mMaxMessages = count;
-    }
-
     public void receive(final IMessage message)
     {
         //Don't process tail bits or stuff bits message fragments
@@ -135,39 +57,7 @@ public class MessageActivityModel extends AbstractTableModel implements Listener
             return;
         }
 
-        if(mMessageFilterSet.passes(message))
-        {
-            final MessageItem messageItem = new MessageItem(message);
-
-            EventQueue.invokeLater(new Runnable()
-            {
-                @Override
-                public void run()
-                {
-                    mMessageItems.addFirst(messageItem);
-
-                    MessageActivityModel.this.fireTableRowsInserted(0, 0);
-
-                    prune();
-                }
-            });
-        }
-    }
-
-    private void prune()
-    {
-        while(mMessageItems.size() > mMaxMessages)
-        {
-            MessageItem removed = mMessageItems.removeLast();
-            removed.dispose();
-            super.fireTableRowsDeleted(mMessageItems.size() - 1, mMessageItems.size() - 1);
-        }
-    }
-
-    @Override
-    public int getRowCount()
-    {
-        return mMessageItems.size();
+        EventQueue.invokeLater(() -> add(new MessageItem(message)));
     }
 
     @Override
@@ -184,20 +74,20 @@ public class MessageActivityModel extends AbstractTableModel implements Listener
     @Override
     public Object getValueAt(int rowIndex, int columnIndex)
     {
-        if(0 <= rowIndex && rowIndex < mMessageItems.size())
-        {
-            MessageItem messageItem = mMessageItems.get(rowIndex);
+        MessageItem item = getItem(rowIndex);
 
+        if(item != null)
+        {
             switch(columnIndex)
             {
                 case TIME:
-                    return messageItem.getTimestamp(mSDFTime);
+                    return item.getTimestamp(mSDFTime);
                 case PROTOCOL:
-                    return messageItem.getProtocol();
+                    return item.getProtocol();
                 case TIMESLOT:
-                    return messageItem.getTimeslot();
+                    return item.getTimeslot();
                 case MESSAGE:
-                    return messageItem.getText();
+                    return item.getText();
                 default:
                     break;
             }

src/main/java/io/github/dsheirer/module/decode/event/MessageActivityPanel.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,13 +14,10 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.event;
 
-import com.jidesoft.swing.JideButton;
-import com.jidesoft.swing.JideSplitButton;
-import io.github.dsheirer.filter.FilterEditorPanel;
 import io.github.dsheirer.filter.FilterSet;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.message.MessageHistory;
@@ -30,37 +26,35 @@ import io.github.dsheirer.module.decode.DecoderFactory;
 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.preference.swing.JTableColumnWidthMonitor;
 import io.github.dsheirer.sample.Listener;
+import java.util.ArrayList;
+import java.util.List;
 import net.miginfocom.swing.MigLayout;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.swing.JButton;
-import javax.swing.JFrame;
-import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
-import javax.swing.JSlider;
 import javax.swing.JTable;
-import javax.swing.SwingUtilities;
-import javax.swing.event.ChangeEvent;
-import javax.swing.event.ChangeListener;
-import java.awt.EventQueue;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseListener;
+import javax.swing.RowFilter;
+import javax.swing.table.TableModel;
+import javax.swing.table.TableRowSorter;
 
+/**
+ * Panel to display decoded messages/activity.
+ */
 public class MessageActivityPanel extends JPanel implements Listener<ProcessingChain>
 {
     private static final long serialVersionUID = 1L;
-    private final static Logger mLog = LoggerFactory.getLogger(MessageActivityPanel.class);
-    private static final String TABLE_PREFERENCE_KEY = "message.activity.panel";
-    private static MessageActivityModel mMessageModel = new MessageActivityModel();
+    private static final Logger mLog = LoggerFactory.getLogger(MessageActivityPanel.class);
+    private final String TABLE_PREFERENCE_KEY = "message.activity.panel";
+    private MessageActivityModel mMessageModel = new MessageActivityModel();
     private MessageHistory mCurrentMessageHistory;
     private JTable mTable = new JTable(mMessageModel);
+    private TableRowSorter<TableModel> mTableRowSorter;
     private JTableColumnWidthMonitor mTableColumnWidthMonitor;
     private UserPreferences mUserPreferences;
-    private MessageManagementPanel mManagementPanel = new MessageManagementPanel();
+    private FilterSet<IMessage> mMessageFilterSet;
+    private HistoryManagementPanel<IMessage> mHistoryManagementPanel;
 
     /**
      * Constructs an instance
@@ -69,13 +63,14 @@ public class MessageActivityPanel extends JPanel implements Listener<ProcessingC
     public MessageActivityPanel(UserPreferences userPreferences)
     {
         mUserPreferences = userPreferences;
-
-        setLayout(new MigLayout("insets 0 0 0 0", "[][grow,fill]", "[]0[grow,fill]"));
-
-        add(mManagementPanel, "span,growx");
-
-        add(new JScrollPane(mTable), "span,grow");
+        mTableRowSorter = new TableRowSorter<>(mMessageModel);
+        mTableRowSorter.setRowFilter(new MessageRowFilter());
+        mTable.setRowSorter(mTableRowSorter);
         mTableColumnWidthMonitor = new JTableColumnWidthMonitor(mUserPreferences, mTable, TABLE_PREFERENCE_KEY);
+        setLayout(new MigLayout("insets 0 0 0 0", "[][grow,fill]", "[]0[grow,fill]"));
+        mHistoryManagementPanel = new HistoryManagementPanel<>(mMessageModel, "Message Filter Editor");
+        add(mHistoryManagementPanel, "span,growx");
+        add(new JScrollPane(mTable), "span,grow");
     }
 
     /**
@@ -89,182 +84,62 @@ public class MessageActivityPanel extends JPanel implements Listener<ProcessingC
             mCurrentMessageHistory.removeListener(mMessageModel);
         }
 
+        //Unregister from changes made to the filter set
+        if(mMessageFilterSet != null)
+        {
+            mMessageFilterSet.register(null);
+        }
+
         if(processingChain != null)
         {
             mCurrentMessageHistory = processingChain.getMessageHistory();
-            mMessageModel.setFilters(DecoderFactory.getMessageFilters(processingChain.getModules()));
-            mMessageModel.clearAndSet(mCurrentMessageHistory.getItems());
+            mMessageFilterSet = DecoderFactory.getMessageFilters(processingChain.getModules());
+            //Register filter change listener to refresh the table any time the event filters are changed.
+            mMessageFilterSet.register(() -> mMessageModel.fireTableDataChanged());
+            if(mHistoryManagementPanel != null)
+            {
+                mHistoryManagementPanel.updateFilterSet(mMessageFilterSet);
+            }
+
+            List<MessageItem> currentHistory = new ArrayList<>();
+            for(IMessage message: mCurrentMessageHistory.getItems())
+            {
+                currentHistory.add(new MessageItem(message));
+            }
+
+            mMessageModel.clearAndSet(currentHistory);
             mCurrentMessageHistory.addListener(mMessageModel);
-            mManagementPanel.enableButtons();
+            mHistoryManagementPanel.setEnabled(true);
         }
         else
         {
             mCurrentMessageHistory = null;
-            mMessageModel.clearFilters();
+            mMessageFilterSet = null;
             mMessageModel.clear();
-            mManagementPanel.disableButtons();
+            mHistoryManagementPanel.setEnabled(false);
         }
     }
 
-    public class MessageManagementPanel extends JPanel
+    /**
+     * Row visibility filter for messages
+     */
+    public class MessageRowFilter extends RowFilter<TableModel, Integer>
     {
-        private static final long serialVersionUID = 1L;
-
-        private MessageHistoryButton mHistoryButton = new MessageHistoryButton();
-        private MessageFilterButton mFilterButton = new MessageFilterButton();
-
-        public MessageManagementPanel()
+        @Override
+        public boolean include(Entry<? extends TableModel, ? extends Integer> entry)
         {
-            setLayout(new MigLayout("insets 2 2 5 5", "[]5[left,grow]", ""));
-
-            disableButtons();
-
-            add(mFilterButton);
-            add(mHistoryButton);
-        }
-
-        public void enableButtons()
-        {
-            mHistoryButton.setEnabled(true);
-            mFilterButton.setEnabled(true);
-        }
-
-        public void disableButtons()
-        {
-            mHistoryButton.setEnabled(false);
-            mFilterButton.setEnabled(false);
-        }
-    }
-
-    public class MessageHistoryButton extends JideSplitButton
-    {
-        private static final long serialVersionUID = 1L;
-
-        public MessageHistoryButton()
-        {
-            super("Clear");
-
-            JPanel historyPanel = new JPanel();
-
-            historyPanel.add(new JLabel("Message History:"));
-
-            final JSlider slider = new JSlider();
-            slider.setMinimum(0);
-            slider.setMaximum(2000);
-            slider.setMajorTickSpacing(500);
-            slider.setPaintTicks(true);
-            slider.setPaintLabels(true);
-
-            slider.addMouseListener(new MouseListener()
+            if(entry.getModel() instanceof MessageActivityModel model)
             {
-                @Override
-                public void mouseClicked(MouseEvent arg0)
+                MessageItem item = model.getItem(entry.getIdentifier());
+
+                if(mMessageFilterSet != null && item != null && item.getMessage() != null)
                 {
-                    if(SwingUtilities.isLeftMouseButton(arg0) && arg0.getClickCount() == 2)
-                    {
-                        slider.setValue(500); //default
-                    }
+                    IMessage message = item.getMessage();
+                    return mMessageFilterSet.canProcess(message) && mMessageFilterSet.passes(message);
                 }
+            }
 
-                public void mouseEntered(MouseEvent arg0)
-                {
-                }
-
-                public void mouseExited(MouseEvent arg0)
-                {
-                }
-
-                public void mousePressed(MouseEvent arg0)
-                {
-                }
-
-                public void mouseReleased(MouseEvent arg0)
-                {
-                }
-            });
-
-            slider.setValue(((MessageActivityModel) mTable.getModel()).getMaxMessageCount());
-            slider.addChangeListener(new ChangeListener()
-            {
-                @Override
-                public void stateChanged(ChangeEvent arg0)
-                {
-                    ((MessageActivityModel) mTable.getModel()).setMaxMessageCount(slider.getValue());
-                }
-            });
-
-            historyPanel.add(slider);
-
-            add(historyPanel);
-
-            /* Clear messages */
-            addActionListener(new ActionListener()
-            {
-                @Override
-                public void actionPerformed(ActionEvent e)
-                {
-                    ((MessageActivityModel) mTable.getModel()).clear();
-                }
-            });
-        }
-    }
-
-    public class MessageFilterButton extends JideButton
-    {
-        private static final long serialVersionUID = 1L;
-
-        public MessageFilterButton()
-        {
-            super("Filter");
-
-            addActionListener(new ActionListener()
-            {
-                @Override
-                public void actionPerformed(ActionEvent arg0)
-                {
-                    final JFrame editor = new JFrame();
-
-                    editor.setTitle("Message Filter Editor");
-                    editor.setSize(600, 400);
-                    editor.setLocationRelativeTo(MessageFilterButton.this);
-                    editor.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-                    editor.setLayout(new MigLayout("", "[grow,fill]",
-                            "[grow,fill][][]"));
-
-                    @SuppressWarnings("unchecked")
-                    FilterSet<IMessage> filter = (FilterSet<IMessage>) ((MessageActivityModel) mTable.getModel())
-                            .getMessageFilterSet();
-
-                    FilterEditorPanel<IMessage> panel = new FilterEditorPanel<>(filter);
-
-                    JScrollPane scroller = new JScrollPane(panel);
-                    scroller.setViewportView(panel);
-
-                    editor.add(scroller, "wrap");
-
-                    editor.add(new JLabel("Right-click to select/deselect all nodes"), "wrap");
-
-                    JButton close = new JButton("Close");
-                    close.addActionListener(new ActionListener()
-                    {
-                        @Override
-                        public void actionPerformed(ActionEvent e)
-                        {
-                            editor.dispose();
-                        }
-                    });
-
-                    editor.add(close);
-
-                    EventQueue.invokeLater(new Runnable()
-                    {
-                        public void run()
-                        {
-                            editor.setVisible(true);
-                        }
-                    });
-                }
-            });
+            return false;
         }
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/PlottableDecodeEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.event;
@@ -31,19 +30,20 @@ public class PlottableDecodeEvent extends DecodeEvent
     private double mHeading;
     private double mSpeed;
 
-    public PlottableDecodeEvent(long start)
+    public PlottableDecodeEvent(DecodeEventType decodeEventType, long start)
     {
-        super(start);
+        super(decodeEventType, start);
     }
 
     /**
      * Creates a new decode event builder with the specified start timestamp.
+     * @param decodeEventType for the event
      * @param timeStart for the event
      * @return builder
      */
-    public static PlottableDecodeEventBuilder plottableBuilder(long timeStart)
+    public static PlottableDecodeEventBuilder plottableBuilder(DecodeEventType decodeEventType, long timeStart)
     {
-        return new PlottableDecodeEventBuilder(timeStart);
+        return new PlottableDecodeEventBuilder(decodeEventType, timeStart);
     }
 
     /**
@@ -102,7 +102,6 @@ public class PlottableDecodeEvent extends DecodeEvent
     {
         private long mTimeStart;
         private long mDuration;
-        private String mEventDescription;
         private DecodeEventType mDecodeEventType;
         private IdentifierCollection mIdentifierCollection;
         private IChannelDescriptor mChannelDescriptor;
@@ -115,8 +114,9 @@ public class PlottableDecodeEvent extends DecodeEvent
         /**
          * Constructs a builder instance with the specified start time in milliseconds
          */
-        public PlottableDecodeEventBuilder(long timeStart)
+        public PlottableDecodeEventBuilder(DecodeEventType decodeEventType, long timeStart)
         {
+            mDecodeEventType = decodeEventType;
             mTimeStart = timeStart;
         }
 
@@ -150,16 +150,6 @@ public class PlottableDecodeEvent extends DecodeEvent
             return this;
         }
 
-        /**
-         * Sets the event description text
-         * @param description of the event
-         */
-        public PlottableDecodeEventBuilder eventDescription(String description)
-        {
-            mEventDescription = description;
-            return this;
-        }
-
         /**
          * Sets the identifier collection.
          * @param identifierCollection containing optional identifiers like TO, FROM, frequency and
@@ -191,15 +181,6 @@ public class PlottableDecodeEvent extends DecodeEvent
             return this;
         }
 
-        /**
-         * Sets the Decode Event type for this event.
-         * @param eventType
-         */
-        public PlottableDecodeEventBuilder eventType(DecodeEventType eventType) {
-            mDecodeEventType = eventType;
-            return this;
-        }
-
         /**
          * Sets the location for the plottable event
          */
@@ -232,12 +213,10 @@ public class PlottableDecodeEvent extends DecodeEvent
          */
         public PlottableDecodeEvent build()
         {
-            PlottableDecodeEvent decodeEvent = new PlottableDecodeEvent(mTimeStart);
+            PlottableDecodeEvent decodeEvent = new PlottableDecodeEvent(mDecodeEventType, mTimeStart);
             decodeEvent.setChannelDescriptor(mChannelDescriptor);
             decodeEvent.setDetails(mDetails);
             decodeEvent.setDuration(mDuration);
-            decodeEvent.setEventType(mDecodeEventType);
-            decodeEvent.setEventDescription(mEventDescription);
             decodeEvent.setIdentifierCollection(mIdentifierCollection);
             decodeEvent.setProtocol(mProtocol);
             decodeEvent.setLocation(mGeoPosition);
@@ -246,5 +225,4 @@ public class PlottableDecodeEvent extends DecodeEvent
             return decodeEvent;
         }
     }
-
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/AllOtherEventFilter.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,19 +17,23 @@
  * ****************************************************************************
  */
 
-package io.github.dsheirer.module.decode.event.filter.lastheard;
+package io.github.dsheirer.module.decode.event.filter;
 
-import io.github.dsheirer.module.ModuleEventBusMessage;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 
 /**
- * Request for decode event history from a processing chain for the specified channel.
+ * Event filter for decode event types that are not specified in other event filters.
+ *
+ * This is intended as a catch-all for any elements of the DecodeEventType enumeration that may get added in the
+ * future and are not deliberately added to the various event filter groupings listed in the enumeration.
  */
-public class LastHeardHistoryRequest extends ModuleEventBusMessage
+public class AllOtherEventFilter extends EventFilter
 {
     /**
-     * Constructs an instance
+     * Constructor
      */
-    public LastHeardHistoryRequest()
+    public AllOtherEventFilter()
     {
+        super("Other", DecodeEventType.OTHERS);
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/DecodeEventFilterSet.java

@@ -1,16 +1,40 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import io.github.dsheirer.filter.FilterSet;
 import io.github.dsheirer.module.decode.event.IDecodeEvent;
 
-public class DecodeEventFilterSet extends FilterSet<IDecodeEvent> {
-    public DecodeEventFilterSet() {
-        super ("All Messages");
-
+/**
+ * Top-level decode event filter set.
+ */
+public class DecodeEventFilterSet extends FilterSet<IDecodeEvent>
+{
+    public DecodeEventFilterSet()
+    {
+        super ("All Events");
         addFilter(new DecodedCallEventFilter());
         addFilter(new DecodedCallEncryptedEventFilter());
         addFilter(new DecodedDataEventFilter());
         addFilter(new DecodedCommandEventFilter());
         addFilter(new DecodedRegistrationEventFilter());
+        addFilter(new AllOtherEventFilter());
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/DecodedCallEncryptedEventFilter.java

@@ -1,19 +1,36 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 
-import java.util.Arrays;
-
+/**
+ * Encrypted call events filter
+ */
 public class DecodedCallEncryptedEventFilter extends EventFilter
 {
+    /**
+     * Constructs an instance
+     */
     public DecodedCallEncryptedEventFilter()
     {
-        super("Voice Calls - Encrypted", Arrays.asList(
-                DecodeEventType.CALL_ENCRYPTED,
-                DecodeEventType.CALL_GROUP_ENCRYPTED,
-                DecodeEventType.CALL_PATCH_GROUP_ENCRYPTED,
-                DecodeEventType.CALL_INTERCONNECT_ENCRYPTED,
-                DecodeEventType.CALL_UNIT_TO_UNIT_ENCRYPTED
-        ));
+        super("Voice Calls - Encrypted", DecodeEventType.VOICE_CALLS_ENCRYPTED);
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/DecodedCallEventFilter.java

@@ -1,25 +1,36 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 
-import java.util.Arrays;
-
+/**
+ * Call events filter
+ */
 public class DecodedCallEventFilter extends EventFilter
 {
+    /**
+     * Constructs an instance
+     */
     public DecodedCallEventFilter()
     {
-        super("Voice Calls", Arrays.asList(
-                DecodeEventType.CALL_GROUP,
-                DecodeEventType.CALL_PATCH_GROUP,
-                DecodeEventType.CALL_ALERT,
-                DecodeEventType.CALL_DETECT,
-                DecodeEventType.CALL_DO_NOT_MONITOR,
-                DecodeEventType.CALL_END,
-                DecodeEventType.CALL_INTERCONNECT,
-                DecodeEventType.CALL_UNIQUE_ID,
-                DecodeEventType.CALL_UNIT_TO_UNIT,
-                DecodeEventType.CALL_NO_TUNER,
-                DecodeEventType.CALL_TIMEOUT
-        ));
+        super("Voice Calls", DecodeEventType.VOICE_CALLS);
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/DecodedCommandEventFilter.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,24 +20,17 @@
 package io.github.dsheirer.module.decode.event.filter;
 
 import io.github.dsheirer.module.decode.event.DecodeEventType;
-import java.util.Arrays;
 
+/**
+ * Event filter for network commands.
+ */
 public class DecodedCommandEventFilter extends EventFilter
 {
+    /**
+     * Constructs an instance
+     */
     public DecodedCommandEventFilter()
     {
-        super("Commands", Arrays.asList(
-                DecodeEventType.ANNOUNCEMENT,
-                DecodeEventType.STATION_ID,
-                DecodeEventType.ACKNOWLEDGE,
-                DecodeEventType.PAGE,
-                DecodeEventType.QUERY,
-                DecodeEventType.RADIO_CHECK,
-                DecodeEventType.STATUS,
-                DecodeEventType.COMMAND,
-                DecodeEventType.EMERGENCY,
-                DecodeEventType.NOTIFICATION,
-                DecodeEventType.FUNCTION
-        ));
+        super("Commands", DecodeEventType.COMMANDS);
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/DecodedDataEventFilter.java

@@ -1,23 +1,36 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 
-import java.util.Arrays;
-
+/**
+ * Event filter for data call event types
+ */
 public class DecodedDataEventFilter extends EventFilter
 {
+    /**
+     * Constructs an instance
+     */
     public DecodedDataEventFilter()
     {
-        super("Data Calls", Arrays.asList(
-                DecodeEventType.DATA_CALL,
-                DecodeEventType.DATA_CALL_ENCRYPTED,
-                DecodeEventType.DATA_PACKET,
-                DecodeEventType.GPS,
-                DecodeEventType.IP_PACKET,
-                DecodeEventType.UDP_PACKET,
-                DecodeEventType.SDM,
-                DecodeEventType.ID_ANI,
-                DecodeEventType.ID_UNIQUE
-        ));
+        super("Data Calls", DecodeEventType.DATA_CALLS);
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/DecodedRegistrationEventFilter.java

@@ -1,22 +1,36 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 
-import java.util.Arrays;
-
+/**
+ * Event filter for registration related events
+ */
 public class DecodedRegistrationEventFilter extends EventFilter
 {
+    /**
+     * Constructor
+     */
     public DecodedRegistrationEventFilter()
     {
-        super("Registrations", Arrays.asList(
-                DecodeEventType.AFFILIATE,
-                DecodeEventType.AUTOMATIC_REGISTRATION_SERVICE,
-                DecodeEventType.REGISTER,
-                DecodeEventType.REGISTER_ESN,
-                DecodeEventType.DEREGISTER,
-                DecodeEventType.REQUEST,
-                DecodeEventType.RESPONSE,
-                DecodeEventType.RESPONSE_PACKET
-        ));
+        super("Registrations", DecodeEventType.REGISTRATION);
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/EventClearButton.java

@@ -1,15 +1,33 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import com.jidesoft.swing.JideSplitButton;
-
-import javax.swing.*;
-import javax.swing.event.ChangeEvent;
-import javax.swing.event.ChangeListener;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JSlider;
+import javax.swing.SwingUtilities;
+
 public class EventClearButton extends JideSplitButton
     {
         private static final long serialVersionUID = 1L;
@@ -21,37 +39,29 @@ public class EventClearButton extends JideSplitButton
 
             JPanel historyPanel = new JPanel();
 
-            historyPanel.add(new JLabel("History Entries:"));
-
+            historyPanel.add(new JLabel("History Size:"));
             final JSlider historySlider = initializeHistorySlider();
+            JLabel valueLabel = new JLabel(String.valueOf(maxHistoryCount));
 
             historySlider.setValue(maxHistoryCount);
-            historySlider.addChangeListener(new ChangeListener()
-            {
-                @Override
-                public void stateChanged(ChangeEvent arg0)
+            historySlider.addChangeListener(arg0 -> {
+                if (mEventClearHandler != null)
                 {
-                    if (mEventClearHandler != null)
-                    {
-                        mEventClearHandler.onHistoryLimitChanged(historySlider.getValue());
-                    }
+                    mEventClearHandler.onHistoryLimitChanged(historySlider.getValue());
                 }
+
+                valueLabel.setText(String.valueOf(historySlider.getValue()));
             });
 
             historyPanel.add(historySlider);
-
+            historyPanel.add(valueLabel);
             add(historyPanel);
 
             /* This handles the click action on the main button. Clear messages */
-            addActionListener(new ActionListener()
-            {
-                @Override
-                public void actionPerformed(ActionEvent e)
+            addActionListener(e -> {
+                if (mEventClearHandler != null)
                 {
-                    if (mEventClearHandler != null)
-                    {
-                        mEventClearHandler.onClearHistoryClicked();
-                    }
+                    mEventClearHandler.onClearHistoryClicked();
                 }
             });
         }

src/main/java/io/github/dsheirer/module/decode/event/filter/EventClearHandler.java

@@ -1,6 +1,37 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
-public interface EventClearHandler {
+/**
+ * Handler interface for changes to the event history size or content.
+ */
+public interface EventClearHandler
+{
+    /**
+     * Invoked when the retained history size limit is changed
+     * @param newHistoryLimit new size
+     */
     void onHistoryLimitChanged(int newHistoryLimit);
+
+    /**
+     * Invoked when the history is cleared
+     */
     void onClearHistoryClicked();
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/EventFilter.java

@@ -1,56 +1,74 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.module.decode.event.IDecodeEvent;
-
-import java.util.ArrayList;
-import java.util.EnumMap;
-import java.util.List;
-import java.util.Map;
+import java.util.Collection;
+import java.util.function.Function;
 
 /**
  * This is used as a base for {@link IDecodeEvent} types.
  * This will take a list of {@link IDecodeEvent}s and generate filters for the list.
  * This will default canProcess to TRUE. Override if other value or evaluation is needed.
- *
  */
-public class EventFilter extends Filter<IDecodeEvent>
+public class EventFilter extends Filter<IDecodeEvent,DecodeEventType>
 {
-    private Map<DecodeEventType, FilterElement<DecodeEventType>> mElements = new EnumMap<>(DecodeEventType.class);
+    private EventKeyExtractor mKeyExtractor = new EventKeyExtractor();
 
-    public EventFilter(String name, List<DecodeEventType> eventTypes)
+    /**
+     * Constructs an instance
+     * @param name of this filter
+     * @param decodeEventTypes to filter against
+     */
+    public EventFilter(String name, Collection<DecodeEventType> decodeEventTypes)
     {
         super(name);
 
-        for (DecodeEventType eventType : eventTypes) {
-            mElements.put(eventType, new FilterElement<>(eventType));
-        }
-    }
-
-    @Override
-    public boolean passes(IDecodeEvent iDecodeEvent)
-    {
-        if (mEnabled && canProcess(iDecodeEvent))
+        for (DecodeEventType decodeEventType : decodeEventTypes)
         {
-            if (mElements.containsKey(iDecodeEvent.getEventType()))
-            {
-                return mElements.get(iDecodeEvent.getEventType()).isEnabled();
-            }
+            add(new FilterElement<>(decodeEventType));
         }
-        return false;
     }
 
+    /**
+     * Key extractor function
+     * @return function.
+     */
     @Override
-    public boolean canProcess(IDecodeEvent iDecodeEvent)
+    public Function<IDecodeEvent, DecodeEventType> getKeyExtractor()
     {
-        return true;
+        return mKeyExtractor;
     }
 
-    @Override
-    public List<FilterElement<?>> getFilterElements()
+    /**
+     * Key extractor function for decode events to extract the decode event type
+     */
+    public static class EventKeyExtractor implements Function<IDecodeEvent,DecodeEventType>
     {
-        return new ArrayList<>(mElements.values());
+        @Override
+        public DecodeEventType apply(IDecodeEvent iDecodeEvent)
+        {
+            return iDecodeEvent.getEventType();
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/EventFilterButton.java

@@ -1,84 +1,103 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.event.filter;
 
 import com.jidesoft.swing.JideButton;
 import io.github.dsheirer.filter.FilterEditorPanel;
 import io.github.dsheirer.filter.FilterSet;
-import net.miginfocom.swing.MigLayout;
-
-import javax.swing.*;
-import java.awt.*;
+import java.awt.EventQueue;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import net.miginfocom.swing.MigLayout;
 
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+
+/**
+ * Event filter button that includes split button functionality to allow user to select filter items.
+ *
+ * @param <T> type of filter.
+ */
 public class EventFilterButton<T> extends JideButton
 {
     private static final long serialVersionUID = 1L;
 
+    /**
+     * Constructs an instance
+     * @param dialogTitle for the dialog/panel that appears
+     * @param filterSet to include in the editor panel.
+     */
     public EventFilterButton(String dialogTitle, FilterSet<T> filterSet)
     {
         this("Filter", dialogTitle, filterSet);
     }
 
+    /**
+     * Constructs an instance
+     * @param buttonLabel to use on the button
+     * @param dialogTitle for the dialog/panel that appears
+     * @param filterSet to include in the editor panel.
+     */
     public EventFilterButton(String buttonLabel, String dialogTitle, FilterSet<T> filterSet)
     {
         super(buttonLabel);
-
-        addActionListener(
-                new EventFilterActionHandler(dialogTitle, filterSet)
-        );
+        addActionListener(new EventFilterActionHandler(dialogTitle, filterSet));
     }
 
+    /**
+     * Action handler for the button
+     */
     public class EventFilterActionHandler implements ActionListener
     {
-        private String title;
-        private FilterSet<T> filterSet;
+        private String mTitle;
+        private FilterSet<T> mFilterSet;
 
-        public EventFilterActionHandler( String title, FilterSet<T> filterSet)
+        /**
+         * Constructs an instance
+         * @param title for this panel
+         * @param filterSet to edit
+         */
+        public EventFilterActionHandler(String title, FilterSet<T> filterSet)
         {
-            this.title = title;
-            this.filterSet = filterSet;
+            mTitle = title;
+            mFilterSet = filterSet;
         }
 
         @Override
         public void actionPerformed(ActionEvent e)
         {
             final JFrame editor = new JFrame();
-
-            editor.setTitle(title);
+            editor.setTitle(mTitle);
             editor.setLocationRelativeTo(EventFilterButton.this);
             editor.setSize(600, 400);
             editor.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-            editor.setLayout(new MigLayout("", "[grow,fill]",
-                    "[grow,fill][][]"));
-
-            FilterEditorPanel<T> panel = new FilterEditorPanel<T>(filterSet);
-
+            editor.setLayout(new MigLayout("", "[grow,fill]", "[grow,fill][][]"));
+            FilterEditorPanel<T> panel = new FilterEditorPanel<T>(mFilterSet);
             JScrollPane scroller = new JScrollPane(panel);
             scroller.setViewportView(panel);
-
             editor.add(scroller, "wrap");
-
-            editor.add(new JLabel("Right-click to select/deselect all nodes"), "wrap");
-
             JButton close = new JButton("Close");
-            close.addActionListener(new ActionListener()
-            {
-                @Override
-                public void actionPerformed(ActionEvent e)
-                {
-                    editor.dispose();
-                }
-            });
-
+            close.addActionListener(e1 -> editor.dispose());
             editor.add(close);
-
-            EventQueue.invokeLater(new Runnable()
-            {
-                public void run()
-                {
-                    editor.setVisible(true);
-                }
-            });
+            EventQueue.invokeLater(() -> editor.setVisible(true));
         }
     }
 }

src/main/java/io/github/dsheirer/module/decode/event/filter/EventFilterProvider.java

@@ -1,8 +0,0 @@
-package io.github.dsheirer.module.decode.event.filter;
-
-import io.github.dsheirer.filter.FilterSet;
-
-public interface EventFilterProvider<T> {
-    FilterSet<T> getFilterSet();
-    void setFilterSet(FilterSet<T> filterSet);
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastheard/LastHeardFilterSet.java

@@ -1,17 +0,0 @@
-package io.github.dsheirer.module.decode.event.filter.lastheard;
-
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.filter.FilterSet;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-
-public class LastHeardFilterSet extends FilterSet<IDecodeEvent>
-{
-
-    public LastHeardFilterSet(AliasModel aliasModel, IconModel iconModel)
-    {
-        super("Last Heard To Channel");
-
-        addFilter(new LastHeardIconFilter("Icon", aliasModel, iconModel));
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastheard/LastHeardHistory.java

@@ -1,77 +0,0 @@
-/*
- * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.event.filter.lastheard;
-
-import com.google.common.eventbus.Subscribe;
-import io.github.dsheirer.module.HistoryModule;
-import io.github.dsheirer.module.decode.event.DecodeEventHistoryPreloadData;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import io.github.dsheirer.module.decode.event.IDecodeEventListener;
-import io.github.dsheirer.sample.Listener;
-
-/**
- * Decode event history module.  Maintains a history of decode events and constrains the total history size.
- */
-public class LastHeardHistory extends HistoryModule<IDecodeEvent> implements IDecodeEventListener
-{
-    /**
-     * Constructs an instance
-     */
-    public LastHeardHistory(int historySize)
-    {
-        super(historySize);
-    }
-
-    /**
-     * Implements the IDecodeEventListener interface - delegates to receive(event) method.
-     */
-    @Override
-    public Listener<IDecodeEvent> getDecodeEventListener()
-    {
-        return this;
-    }
-
-    /**
-     * Process preload data
-     */
-    @Subscribe
-    public void process(DecodeEventHistoryPreloadData preloadData)
-    {
-        for(IDecodeEvent decodeEvent: preloadData.getData())
-        {
-            receive(decodeEvent);
-        }
-    }
-
-    /**
-     * Processes a request for decode event history and posts the response back
-     * to the processing chain event bus so that any of the modules can receive that history.
-     *
-     * Note: this is principally used by the DMR decoder for Capacity+ REST channel rotation to transfer the decode
-     * event history from a traffic channel conversion to the new rest channel.
-     *
-     * @param request for decode event history
-     */
-    @Subscribe
-    public void process(LastHeardHistoryRequest request)
-    {
-        getInterModuleEventBus().post(new LastHeardHistoryResponse(this));
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastheard/LastHeardIconFilter.java

@@ -1,97 +0,0 @@
-package io.github.dsheirer.module.decode.event.filter.lastheard;
-
-import io.github.dsheirer.alias.Alias;
-import io.github.dsheirer.alias.AliasList;
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.filter.Filter;
-import io.github.dsheirer.filter.FilterElement;
-import io.github.dsheirer.icon.Icon;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.identifier.Form;
-import io.github.dsheirer.identifier.Identifier;
-import io.github.dsheirer.identifier.IdentifierCollection;
-import io.github.dsheirer.identifier.Role;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import javafx.collections.ObservableList;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-
-public class LastHeardIconFilter extends Filter<IDecodeEvent>
-{
-    private AliasModel mAliasModel;
-    private Map<String, FilterElement<String>> mElements = new HashMap<>();
-
-    public LastHeardIconFilter(String name, AliasModel aliasModel, IconModel iconModel)
-    {
-        super(name);
-        this.mAliasModel = aliasModel;
-
-        ObservableList<Icon> icons = iconModel.iconsProperty();
-        for (Icon icon : icons) {
-            mElements.put(icon.getName(), new FilterElement<>(icon.getName()));
-        }
-    }
-
-    @Override
-    public boolean passes(IDecodeEvent iDecodeEvent)
-    {
-        if (mEnabled && canProcess(iDecodeEvent))
-        {
-            return matchAliasToFilter(iDecodeEvent)
-                    .map(FilterElement::isEnabled)
-                    .orElse(false);
-        }
-        return false;
-    }
-
-    public Optional<FilterElement<String>> matchAliasToFilter(IDecodeEvent iDecodeEvent)
-    {
-        IdentifierCollection identifierCollection = iDecodeEvent.getIdentifierCollection();
-        List<Identifier> identifiers = identifierCollection.getIdentifiers(Role.TO);
-        if (iDecodeEvent.getDuration() > 0 && identifiers != null && !identifiers.isEmpty())
-        {
-            AliasList aliasList = mAliasModel.getAliasList(identifierCollection);
-            if (aliasList != null)
-            {
-                for(Identifier identifier: identifiers)
-                {
-                    if (identifier.getForm() == Form.TALKGROUP)
-                    {
-                        List<Alias> aliases = aliasList.getAliases(identifier);
-                        if (!aliases.isEmpty())
-                        {
-                            for (Alias alias : aliases) {
-                                if (alias.getIconName() == null)
-                                {
-                                    // Return any to match aliases with no icon defined.
-                                    return Optional.of(mElements.get(IconModel.DEFAULT_ICON));
-                                }
-                                else
-                                {
-                                    return Optional.of(mElements.get(alias.getIconName()));
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        return Optional.empty();
-    }
-
-    @Override
-    public boolean canProcess(IDecodeEvent iDecodeEvent)
-    {
-        return true;
-    }
-
-    @Override
-    public List<FilterElement<?>> getFilterElements()
-    {
-        return new ArrayList<>(mElements.values());
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastheard/LastHeardModel.java

@@ -1,292 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-package io.github.dsheirer.module.decode.event.filter.lastheard;
-
-import com.google.common.eventbus.Subscribe;
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.channel.IChannelDescriptor;
-import io.github.dsheirer.eventbus.MyEventBus;
-import io.github.dsheirer.filter.FilterSet;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.identifier.IdentifierCollection;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import io.github.dsheirer.module.decode.event.filter.EventFilterProvider;
-import io.github.dsheirer.preference.PreferenceType;
-import io.github.dsheirer.sample.Listener;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.swing.table.AbstractTableModel;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-public class LastHeardModel extends AbstractTableModel implements Listener<IDecodeEvent>, EventFilterProvider<IDecodeEvent>
-{
-    private static final long serialVersionUID = 1L;
-    private final static Logger mLog = LoggerFactory.getLogger(LastHeardModel.class);
-
-    public static final int COLUMN_TIME = 0;
-    public static final int COLUMN_DURATION = 1;
-    public static final int COLUMN_EVENT = 2;
-    public static final int COLUMN_FROM_ID = 3;
-    public static final int COLUMN_FROM_ALIAS = 4;
-    public static final int COLUMN_TO_ID = 5;
-    public static final int COLUMN_TO_ALIAS = 6;
-    public static final int COLUMN_CHANNEL = 7;
-    public static final int COLUMN_FREQUENCY = 8;
-    public static final int COLUMN_DETAILS = 9;
-
-    protected int mMaxMessages = 500;
-
-    protected List<IDecodeEvent> mEvents = new ArrayList<>();
-    protected FilterSet<IDecodeEvent> mLastSeenFilterSet;
-
-    protected String[] mHeaders = new String[]{"Time", "Duration", "Event", "From", "Alias", "To", "Alias", "Channel", "Frequency", "Details"};
-
-    public LastHeardModel(AliasModel aliasModel, IconModel iconModel)
-    {
-        mLastSeenFilterSet = new LastHeardFilterSet(aliasModel, iconModel);
-        MyEventBus.getGlobalEventBus().register(this);
-    }
-
-    /**
-     * Receives preference update notifications via the event bus
-     * @param preferenceType that was updated
-     */
-    @Subscribe
-    public void preferenceUpdated(PreferenceType preferenceType)
-    {
-        if(preferenceType == PreferenceType.DECODE_EVENT)
-        {
-            for(int row = 0; row < mEvents.size(); row++)
-            {
-                fireTableCellUpdated(row, COLUMN_TIME);
-            }
-        }
-        else if(preferenceType == PreferenceType.TALKGROUP_FORMAT)
-        {
-            for(int row = 0; row < mEvents.size(); row++)
-            {
-                fireTableCellUpdated(row, COLUMN_FROM_ID);
-                fireTableCellUpdated(row, COLUMN_TO_ID);
-            }
-        }
-    }
-
-    /**
-     * Access the complete list of events managed by this model.
-     */
-    public List<IDecodeEvent> getEvents()
-    {
-        return new ArrayList<>(mEvents);
-    }
-
-    public void dispose()
-    {
-        MyEventBus.getGlobalEventBus().unregister(this);
-        Iterator<IDecodeEvent> it = mEvents.iterator();
-
-        while(it.hasNext())
-        {
-            it.remove();
-        }
-    }
-
-    public void clear()
-    {
-        mEvents.clear();
-        fireTableDataChanged();
-    }
-
-    /**
-     * Clears all events from this model and loads the events argument
-     */
-    public void clearAndSet(List<IDecodeEvent> events)
-    {
-        mEvents.clear();
-        mEvents.addAll(events);
-        fireTableDataChanged();
-    }
-
-    public void reset()
-    {
-        dispose();
-        fireTableDataChanged();
-    }
-
-    public int getMaxMessageCount()
-    {
-        return mMaxMessages;
-    }
-
-    public void setMaxMessageCount(int count)
-    {
-        mMaxMessages = count;
-    }
-
-    /**
-     * Adds, updates or deletes the event from the model.  Producers can send
-     * the same call event multiple times to indicate that information in the
-     * event is updated.  Producers can also mark the event as invalid and the
-     * event will be removed from the model.
-     */
-    public void receive(final IDecodeEvent event)
-    {
-        if (mLastSeenFilterSet != null && !mLastSeenFilterSet.passes(event))
-        {
-            return;
-        }
-        if(!mEvents.contains(event))
-        {
-            mEvents.add(0, event);
-            fireTableRowsInserted(0, 0);
-            prune();
-        }
-        else
-        {
-            int row = mEvents.indexOf(event);
-            fireTableRowsUpdated(row, row);
-        }
-    }
-
-    private void prune()
-    {
-        while(mEvents.size() > mMaxMessages)
-        {
-            int index = mEvents.size() - 1;
-            mEvents.remove(index);
-            fireTableRowsDeleted(index, index);
-        }
-    }
-
-    @Override
-    public FilterSet<IDecodeEvent> getFilterSet() {
-        return mLastSeenFilterSet;
-    }
-
-    @Override
-    public void setFilterSet(FilterSet<IDecodeEvent> filterSet) {
-        this.mLastSeenFilterSet = filterSet;
-    }
-
-    @Override
-    public int getRowCount()
-    {
-        return mEvents.size();
-    }
-
-    @Override
-    public int getColumnCount()
-    {
-        return mHeaders.length;
-    }
-
-    public String getColumnName(int column)
-    {
-        return mHeaders[column];
-    }
-
-    @Override
-    public Object getValueAt(int rowIndex, int columnIndex)
-    {
-        synchronized(mEvents)
-        {
-            IDecodeEvent event = mEvents.get(rowIndex);
-
-            if(event != null)
-            {
-                switch(columnIndex)
-                {
-                    case COLUMN_TIME:
-                        return event.getTimeStart();
-                    case COLUMN_DURATION:
-                        return event.getDuration();
-                    case COLUMN_EVENT:
-                        return event.getEventDescription();
-                    case COLUMN_FROM_ID:
-                        return event.getIdentifierCollection();
-                    case COLUMN_FROM_ALIAS:
-                        return event.getIdentifierCollection();
-                    case COLUMN_TO_ID:
-                        return event.getIdentifierCollection();
-                    case COLUMN_TO_ALIAS:
-                        return event.getIdentifierCollection();
-                    case COLUMN_CHANNEL:
-                        IChannelDescriptor channelDescriptor = event.getChannelDescriptor();
-
-                        if(channelDescriptor != null)
-                        {
-                            if(event.hasTimeslot())
-                            {
-                                return channelDescriptor.toString() + " TS:" + event.getTimeslot();
-                            }
-                            else
-                            {
-                                return channelDescriptor.toString();
-                            }
-                        }
-                        else
-                        {
-                            if(event.hasTimeslot())
-                            {
-                                return "TS:" + event.getTimeslot();
-                            }
-                            else
-                            {
-                                return null;
-                            }
-                        }
-                    case COLUMN_FREQUENCY:
-                        return event.getChannelDescriptor();
-                    case COLUMN_DETAILS:
-                        return event.getDetails();
-                }
-            }
-        }
-
-        return null;
-    }
-
-    @Override
-    public Class<?> getColumnClass(int columnIndex)
-    {
-        switch(columnIndex)
-        {
-            case COLUMN_DURATION:
-            case COLUMN_TIME:
-                return Long.class;
-            case COLUMN_DETAILS:
-            case COLUMN_EVENT:
-                return String.class;
-            case COLUMN_FREQUENCY:
-            case COLUMN_FROM_ALIAS:
-            case COLUMN_FROM_ID:
-            case COLUMN_TO_ALIAS:
-            case COLUMN_TO_ID:
-                return IdentifierCollection.class;
-            case COLUMN_CHANNEL:
-                return String.class;
-        }
-        return super.getColumnClass(columnIndex);
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastheard/LastHeardPanel.java

@@ -1,482 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-package io.github.dsheirer.module.decode.event.filter.lastheard;
-
-import com.google.common.base.Joiner;
-import com.google.common.eventbus.Subscribe;
-import io.github.dsheirer.alias.Alias;
-import io.github.dsheirer.alias.AliasList;
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.channel.IChannelDescriptor;
-import io.github.dsheirer.eventbus.MyEventBus;
-import io.github.dsheirer.filter.AllPassFilter;
-import io.github.dsheirer.filter.FilterSet;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.identifier.Form;
-import io.github.dsheirer.identifier.Identifier;
-import io.github.dsheirer.identifier.IdentifierCollection;
-import io.github.dsheirer.identifier.Role;
-import io.github.dsheirer.module.ProcessingChain;
-import io.github.dsheirer.module.decode.event.DecodeEventHistory;
-import io.github.dsheirer.module.decode.event.DecodeEventModel;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import io.github.dsheirer.module.decode.event.filter.EventClearButton;
-import io.github.dsheirer.module.decode.event.filter.EventClearHandler;
-import io.github.dsheirer.module.decode.event.filter.EventFilterButton;
-import io.github.dsheirer.module.decode.event.filter.EventFilterProvider;
-import io.github.dsheirer.preference.PreferenceType;
-import io.github.dsheirer.preference.UserPreferences;
-import io.github.dsheirer.preference.swing.JTableColumnWidthMonitor;
-import io.github.dsheirer.sample.Listener;
-import net.miginfocom.swing.MigLayout;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.swing.*;
-import javax.swing.table.DefaultTableCellRenderer;
-import java.awt.*;
-import java.text.DecimalFormat;
-import java.text.SimpleDateFormat;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
-
-public class LastHeardPanel extends JPanel implements Listener<ProcessingChain>
-{
-    private static final long serialVersionUID = 1L;
-    private final static Logger mLog = LoggerFactory.getLogger(LastHeardPanel.class);
-    private static final String TABLE_PREFERENCE_KEY = "decode.lastseen.panel";
-
-    private JTable mTable;
-    private JTableColumnWidthMonitor mTableColumnWidthMonitor;
-    private LastHeardModel mLastHeardModel;
-    private DecodeEventHistory mCurrentEventHistory;
-    private JScrollPane mEmptyScroller;
-    private IconModel mIconModel;
-    private AliasModel mAliasModel;
-    private UserPreferences mUserPreferences;
-    private TimestampCellRenderer mTimestampCellRenderer;
-    private LastSeenManagementPanel mLastSeenManagementPanel;
-
-    /**
-     * View for call event table
-     * @param iconModel to display alias icons in table rows
-     */
-    public LastHeardPanel(IconModel iconModel, UserPreferences userPreferences, AliasModel aliasModel)
-    {
-        MyEventBus.getGlobalEventBus().register(this);
-
-        setLayout(new MigLayout("insets 0 0 0 0", "[grow,fill]", "[grow,fill]"));
-        mIconModel = iconModel;
-        mAliasModel = aliasModel;
-        mLastHeardModel = new LastHeardModel(aliasModel, iconModel);
-        mUserPreferences = userPreferences;
-        mTimestampCellRenderer = new TimestampCellRenderer();
-        mTable = new JTable(mLastHeardModel);
-        mTable.setAutoCreateRowSorter(true);
-        mTable.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
-        mLastSeenManagementPanel = new LastSeenManagementPanel();
-        mTableColumnWidthMonitor = new JTableColumnWidthMonitor(mUserPreferences, mTable, TABLE_PREFERENCE_KEY);
-        updateCellRenderers();
-
-        add(mLastSeenManagementPanel, "span,growx");
-
-        mEmptyScroller = new JScrollPane(mTable);
-        add(mEmptyScroller);
-    }
-
-    public void dispose()
-    {
-        MyEventBus.getGlobalEventBus().unregister(this);
-    }
-
-    /**
-     * Receives preference update notifications via the event bus
-     * @param preferenceType that was updated
-     */
-    @Subscribe
-    public void preferenceUpdated(PreferenceType preferenceType)
-    {
-        if(preferenceType == PreferenceType.DECODE_EVENT || preferenceType == PreferenceType.TALKGROUP_FORMAT)
-        {
-            EventQueue.invokeLater(() -> mTimestampCellRenderer.updatePreferences());
-        }
-    }
-
-    private void updateCellRenderers()
-    {
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TIME)
-            .setCellRenderer(mTimestampCellRenderer);
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_DURATION)
-            .setCellRenderer(new DurationCellRenderer());
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ID)
-            .setCellRenderer(new IdentifierCellRenderer(Role.FROM));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ALIAS)
-            .setCellRenderer(new AliasedIdentifierCellRenderer(Role.FROM));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ID)
-            .setCellRenderer(new IdentifierCellRenderer(Role.TO));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ALIAS)
-            .setCellRenderer(new AliasedIdentifierCellRenderer(Role.TO));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_CHANNEL)
-                .setCellRenderer(new ChannelDescriptorCellRenderer());
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FREQUENCY)
-                .setCellRenderer(new FrequencyCellRenderer());
-    }
-
-    @Override
-    public void receive(final ProcessingChain processingChain)
-    {
-        if(mCurrentEventHistory != null)
-        {
-            mCurrentEventHistory.removeListener(mLastHeardModel);
-        }
-
-        EventQueue.invokeLater(() -> {
-            if(processingChain != null)
-            {
-                mCurrentEventHistory = processingChain.getDecodeEventHistory();
-                mLastHeardModel.clearAndSet(mCurrentEventHistory.getItems());
-                processingChain.getDecodeEventHistory().addListener(mLastHeardModel);
-                mLastSeenManagementPanel.enableButtons();
-            }
-            else
-            {
-                mCurrentEventHistory = null;
-                mLastHeardModel.clearAndSet(Collections.emptyList());
-                mLastSeenManagementPanel.disableButtons();
-            }
-        });
-    }
-
-    public class LastSeenManagementPanel extends JPanel
-    {
-        private static final long serialVersionUID = 1L;
-
-        private EventFilterButton<IDecodeEvent> mFilterButton;
-        private EventClearButton mEventClearButton;
-
-        public LastSeenManagementPanel()
-        {
-            setLayout(new MigLayout("insets 2 2 5 5", "[]5[left,grow]", ""));
-
-            initializeFilterButton();
-            initializeClearButton();
-            disableButtons();
-
-            add(mFilterButton);
-            add(mEventClearButton);
-        }
-
-        public void enableButtons()
-        {
-            mFilterButton.setEnabled(true);
-            mEventClearButton.setEnabled(true);
-        }
-
-        public void disableButtons()
-        {
-            mFilterButton.setEnabled(false);
-            mEventClearButton.setEnabled(false);
-        }
-
-        private void initializeFilterButton()
-        {
-            EventFilterProvider<IDecodeEvent> filterProvider = (EventFilterProvider<IDecodeEvent>) mTable.getModel();
-            FilterSet<IDecodeEvent> filterSet = new FilterSet<>(new AllPassFilter<>());
-            if (filterProvider != null) {
-                filterSet = filterProvider.getFilterSet();
-            }
-            mFilterButton = new EventFilterButton<>("Last Heard To Channel Filter Editor", filterSet);
-        }
-
-        private void initializeClearButton() {
-            mEventClearButton = new EventClearButton(
-                    ((LastHeardModel) mTable.getModel()).getMaxMessageCount()
-            );
-            mEventClearButton.setEventClearHandler(new EventClearHandler() {
-                @Override
-                public void onHistoryLimitChanged(int newHistoryLimit) {
-                    ((LastHeardModel) mTable.getModel()).setMaxMessageCount(newHistoryLimit);
-                }
-
-                @Override
-                public void onClearHistoryClicked() {
-                    ((LastHeardModel) mTable.getModel()).clear();
-                }
-            });
-        }
-    }
-
-    /**
-     * Custom cell renderer for displaying identifiers from an identifier collection
-     */
-    public class IdentifierCellRenderer extends DefaultTableCellRenderer
-    {
-        protected Role mRole;
-
-        /**
-         * Constructs an instance of the cell renderer.
-         *
-         * @param role of the identifier
-         */
-        public IdentifierCellRenderer(Role role)
-        {
-            mRole = role;
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            if(value instanceof IdentifierCollection)
-            {
-                List<Identifier> identifiers = ((IdentifierCollection)value).getIdentifiers(mRole);
-                label.setText(format(identifiers));
-            }
-            else
-            {
-                label.setText(null);
-            }
-
-            return label;
-        }
-
-        /**
-         * Formats a list of identifiers as a comma separated list of values
-         * @param identifiers to format
-         * @return formatted list or null
-         */
-        protected String format(List<Identifier> identifiers)
-        {
-            if(identifiers == null || identifiers.isEmpty())
-            {
-                return null;
-            }
-
-            StringBuilder sb = new StringBuilder();
-
-            for(Identifier identifier: identifiers)
-            {
-                if(sb.length() > 0)
-                {
-                    sb.append(",");
-                }
-
-                if(identifier.getForm() == Form.TALKGROUP)
-                {
-                    sb.append(mUserPreferences.getTalkgroupFormatPreference().format(identifier));
-                }
-                else
-                {
-                    sb.append(identifier);
-                }
-
-            }
-
-            return sb.toString();
-        }
-    }
-
-    /**
-     * Cell renderer for identifier aliases
-     */
-    public class AliasedIdentifierCellRenderer extends DefaultTableCellRenderer
-    {
-        private Role mRole;
-
-        /**
-         * Constructs an instance of the cell renderer.
-         *
-         * @param role of the identifier
-         */
-        public AliasedIdentifierCellRenderer(Role role)
-        {
-            mRole = role;
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            Color color = mTable.getForeground();
-            ImageIcon icon = null;
-            String text = null;
-
-            if(value instanceof IdentifierCollection)
-            {
-                IdentifierCollection identifierCollection = (IdentifierCollection)value;
-                List<Identifier> identifiers = identifierCollection.getIdentifiers(mRole);
-
-                if(identifiers != null && !identifiers.isEmpty())
-                {
-                    AliasList aliasList = mAliasModel.getAliasList(identifierCollection);
-
-                    if(aliasList != null)
-                    {
-                        StringBuilder sb = new StringBuilder();
-
-                        for(Identifier identifier: identifiers)
-                        {
-                            List<Alias> aliases = aliasList.getAliases(identifier);
-
-                            if(!aliases.isEmpty())
-                            {
-                                if(sb.length() > 0)
-                                {
-                                    sb.append(",");
-                                }
-                                sb.append(Joiner.on(", ").skipNulls().join(aliases));
-                                color = aliases.get(0).getDisplayColor();
-                                icon = mIconModel.getIcon(aliases.get(0).getIconName(), IconModel.DEFAULT_ICON_SIZE);
-                            }
-                        }
-
-                        text = sb.toString();
-                    }
-                }
-            }
-
-            label.setText(text);
-            label.setForeground(color);
-            label.setIcon(icon);
-
-            return label;
-        }
-    }
-
-    public class TimestampCellRenderer extends DefaultTableCellRenderer
-    {
-        private SimpleDateFormat mTimestampFormatter;
-
-        public TimestampCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-            updatePreferences();
-        }
-
-        public void updatePreferences()
-        {
-            mTimestampFormatter = mUserPreferences.getDecodeEventPreference().getTimestampFormat().getFormatter();
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            if(value instanceof Long)
-            {
-                label.setText(mTimestampFormatter.format(new Date((long)value)));
-            }
-            else
-            {
-                label.setText(null);
-            }
-
-            return label;
-        }
-    }
-
-    public class DurationCellRenderer extends DefaultTableCellRenderer
-    {
-        private DecimalFormat mDecimalFormat = new DecimalFormat("0.0");
-
-        public DurationCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            String formatted = null;
-
-            if(value instanceof Long)
-            {
-                long duration = (long)value;
-
-                if(duration > 0)
-                {
-                    formatted = mDecimalFormat.format((double)duration / 1e3d);
-                }
-            }
-
-            label.setText(formatted);
-
-            return label;
-        }
-    }
-
-    /**
-     * Frequency value cell renderer
-     */
-    public class FrequencyCellRenderer extends DefaultTableCellRenderer
-    {
-        private DecimalFormat mFrequencyFormatter = new DecimalFormat("0.00000");
-
-        public FrequencyCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            String formatted = null;
-
-            if(value instanceof IChannelDescriptor)
-            {
-                IChannelDescriptor channelDescriptor = (IChannelDescriptor)value;
-
-                long frequency = channelDescriptor.getDownlinkFrequency();
-
-                if(frequency > 0)
-                {
-                    formatted = mFrequencyFormatter.format(frequency / 1e6d);
-                }
-            }
-
-            label.setText(formatted);
-
-            return label;
-        }
-    }
-
-    /**
-     * Channel descriptor value cell renderer
-     */
-    public class ChannelDescriptorCellRenderer extends DefaultTableCellRenderer
-    {
-        public ChannelDescriptorCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastseen/LastSeenFilterSet.java

@@ -1,17 +0,0 @@
-package io.github.dsheirer.module.decode.event.filter.lastseen;
-
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.filter.FilterSet;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-
-public class LastSeenFilterSet extends FilterSet<IDecodeEvent>
-{
-
-    public LastSeenFilterSet(AliasModel aliasModel, IconModel iconModel)
-    {
-        super("Last Seen From Radio");
-
-        addFilter(new LastSeenIconFilter("Icon", aliasModel, iconModel));
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastseen/LastSeenHistory.java

@@ -1,77 +0,0 @@
-/*
- * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.event.filter.lastseen;
-
-import com.google.common.eventbus.Subscribe;
-import io.github.dsheirer.module.HistoryModule;
-import io.github.dsheirer.module.decode.event.DecodeEventHistoryPreloadData;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import io.github.dsheirer.module.decode.event.IDecodeEventListener;
-import io.github.dsheirer.sample.Listener;
-
-/**
- * Decode event history module.  Maintains a history of decode events and constrains the total history size.
- */
-public class LastSeenHistory extends HistoryModule<IDecodeEvent> implements IDecodeEventListener
-{
-    /**
-     * Constructs an instance
-     */
-    public LastSeenHistory(int historySize)
-    {
-        super(historySize);
-    }
-
-    /**
-     * Implements the IDecodeEventListener interface - delegates to receive(event) method.
-     */
-    @Override
-    public Listener<IDecodeEvent> getDecodeEventListener()
-    {
-        return this;
-    }
-
-    /**
-     * Process preload data
-     */
-    @Subscribe
-    public void process(DecodeEventHistoryPreloadData preloadData)
-    {
-        for(IDecodeEvent decodeEvent: preloadData.getData())
-        {
-            receive(decodeEvent);
-        }
-    }
-
-    /**
-     * Processes a request for decode event history and posts the response back
-     * to the processing chain event bus so that any of the modules can receive that history.
-     *
-     * Note: this is principally used by the DMR decoder for Capacity+ REST channel rotation to transfer the decode
-     * event history from a traffic channel conversion to the new rest channel.
-     *
-     * @param request for decode event history
-     */
-    @Subscribe
-    public void process(LastSeenHistoryRequest request)
-    {
-        getInterModuleEventBus().post(new LastSeenHistoryResponse(this));
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastseen/LastSeenHistoryResponse.java

@@ -1,47 +0,0 @@
-/*
- * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.event.filter.lastseen;
-
-import io.github.dsheirer.module.ModuleEventBusMessage;
-
-/**
- * Response to decode event history request from a processing chain for the specified channel.
- */
-public class LastSeenHistoryResponse extends ModuleEventBusMessage
-{
-    private LastSeenHistory mLastSeenHistory;
-
-    /**
-     * Constructs an instance
-     * @param history that has a decode event history
-     */
-    public LastSeenHistoryResponse(LastSeenHistory history)
-    {
-        mLastSeenHistory = history;
-    }
-
-    /**
-     * Decode event history module
-     */
-    public LastSeenHistory getDecodeEventHistory()
-    {
-        return mLastSeenHistory;
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastseen/LastSeenIconFilter.java

@@ -1,96 +0,0 @@
-package io.github.dsheirer.module.decode.event.filter.lastseen;
-
-import io.github.dsheirer.alias.Alias;
-import io.github.dsheirer.alias.AliasList;
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.filter.Filter;
-import io.github.dsheirer.filter.FilterElement;
-import io.github.dsheirer.icon.Icon;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.identifier.Form;
-import io.github.dsheirer.identifier.Identifier;
-import io.github.dsheirer.identifier.IdentifierCollection;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import javafx.collections.ObservableList;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-
-public class LastSeenIconFilter extends Filter<IDecodeEvent>
-{
-    private AliasModel mAliasModel;
-    private Map<String, FilterElement<String>> mElements = new HashMap<>();
-
-    public LastSeenIconFilter(String name, AliasModel aliasModel, IconModel iconModel)
-    {
-        super(name);
-        this.mAliasModel = aliasModel;
-
-        ObservableList<Icon> icons = iconModel.iconsProperty();
-        for (Icon icon : icons) {
-            mElements.put(icon.getName(), new FilterElement<>(icon.getName()));
-        }
-    }
-
-    @Override
-    public boolean passes(IDecodeEvent iDecodeEvent)
-    {
-        if (mEnabled && canProcess(iDecodeEvent))
-        {
-            return matchAliasToFilter(iDecodeEvent)
-                    .map(FilterElement::isEnabled)
-                    .orElse(false);
-        }
-        return false;
-    }
-
-    public Optional<FilterElement<String>> matchAliasToFilter(IDecodeEvent iDecodeEvent)
-    {
-        IdentifierCollection identifierCollection = iDecodeEvent.getIdentifierCollection();
-        List<Identifier> identifiers = identifierCollection.getIdentifiers();
-        if (identifiers != null && !identifiers.isEmpty())
-        {
-            AliasList aliasList = mAliasModel.getAliasList(identifierCollection);
-            if (aliasList != null)
-            {
-                for(Identifier identifier: identifiers)
-                {
-                    if (identifier.getForm() == Form.RADIO)
-                    {
-                        List<Alias> aliases = aliasList.getAliases(identifier);
-                        if (!aliases.isEmpty())
-                        {
-                            for (Alias alias : aliases) {
-                                if (alias.getIconName() == null)
-                                {
-                                    // Return any to match aliases with no icon defined.
-                                    return Optional.of(mElements.get(IconModel.DEFAULT_ICON));
-                                }
-                                else
-                                {
-                                    return Optional.of(mElements.get(alias.getIconName()));
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        return Optional.empty();
-    }
-
-    @Override
-    public boolean canProcess(IDecodeEvent iDecodeEvent)
-    {
-        return true;
-    }
-
-    @Override
-    public List<FilterElement<?>> getFilterElements()
-    {
-        return new ArrayList<>(mElements.values());
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastseen/LastSeenModel.java

@@ -1,289 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-package io.github.dsheirer.module.decode.event.filter.lastseen;
-
-import com.google.common.eventbus.Subscribe;
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.channel.IChannelDescriptor;
-import io.github.dsheirer.eventbus.MyEventBus;
-import io.github.dsheirer.filter.FilterSet;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.identifier.IdentifierCollection;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import io.github.dsheirer.module.decode.event.filter.EventFilterProvider;
-import io.github.dsheirer.preference.PreferenceType;
-import io.github.dsheirer.sample.Listener;
-
-import javax.swing.table.AbstractTableModel;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-public class LastSeenModel extends AbstractTableModel implements Listener<IDecodeEvent>, EventFilterProvider<IDecodeEvent>
-{
-    private static final long serialVersionUID = 1L;
-
-    public static final int COLUMN_TIME = 0;
-    public static final int COLUMN_DURATION = 1;
-    public static final int COLUMN_EVENT = 2;
-    public static final int COLUMN_FROM_ID = 3;
-    public static final int COLUMN_FROM_ALIAS = 4;
-    public static final int COLUMN_TO_ID = 5;
-    public static final int COLUMN_TO_ALIAS = 6;
-    public static final int COLUMN_CHANNEL = 7;
-    public static final int COLUMN_FREQUENCY = 8;
-    public static final int COLUMN_DETAILS = 9;
-
-    protected int mMaxMessages = 500;
-
-    protected List<IDecodeEvent> mEvents = new ArrayList<>();
-    protected FilterSet<IDecodeEvent> mLastSeenFilterSet;
-
-    protected String[] mHeaders = new String[]{"Time", "Duration", "Event", "From", "Alias", "To", "Alias", "Channel", "Frequency", "Details"};
-
-    public LastSeenModel(AliasModel aliasModel, IconModel iconModel)
-    {
-        mLastSeenFilterSet = new LastSeenFilterSet(aliasModel, iconModel);
-        MyEventBus.getGlobalEventBus().register(this);
-    }
-
-    /**
-     * Receives preference update notifications via the event bus
-     * @param preferenceType that was updated
-     */
-    @Subscribe
-    public void preferenceUpdated(PreferenceType preferenceType)
-    {
-        if(preferenceType == PreferenceType.DECODE_EVENT)
-        {
-            for(int row = 0; row < mEvents.size(); row++)
-            {
-                fireTableCellUpdated(row, COLUMN_TIME);
-            }
-        }
-        else if(preferenceType == PreferenceType.TALKGROUP_FORMAT)
-        {
-            for(int row = 0; row < mEvents.size(); row++)
-            {
-                fireTableCellUpdated(row, COLUMN_FROM_ID);
-                fireTableCellUpdated(row, COLUMN_TO_ID);
-            }
-        }
-    }
-
-    /**
-     * Access the complete list of events managed by this model.
-     */
-    public List<IDecodeEvent> getEvents()
-    {
-        return new ArrayList<>(mEvents);
-    }
-
-    public void dispose()
-    {
-        MyEventBus.getGlobalEventBus().unregister(this);
-        Iterator<IDecodeEvent> it = mEvents.iterator();
-
-        while(it.hasNext())
-        {
-            it.remove();
-        }
-    }
-
-    public void clear()
-    {
-        mEvents.clear();
-        fireTableDataChanged();
-    }
-
-    /**
-     * Clears all events from this model and loads the events argument
-     */
-    public void clearAndSet(List<IDecodeEvent> events)
-    {
-        mEvents.clear();
-        mEvents.addAll(events);
-        fireTableDataChanged();
-    }
-
-    public void reset()
-    {
-        dispose();
-        fireTableDataChanged();
-    }
-
-    public int getMaxMessageCount()
-    {
-        return mMaxMessages;
-    }
-
-    public void setMaxMessageCount(int count)
-    {
-        mMaxMessages = count;
-    }
-
-    /**
-     * Adds, updates or deletes the event from the model.  Producers can send
-     * the same call event multiple times to indicate that information in the
-     * event is updated.  Producers can also mark the event as invalid and the
-     * event will be removed from the model.
-     */
-    public void receive(final IDecodeEvent event)
-    {
-        if (mLastSeenFilterSet != null && !mLastSeenFilterSet.passes(event))
-        {
-            return;
-        }
-        if(!mEvents.contains(event))
-        {
-            mEvents.add(0, event);
-            fireTableRowsInserted(0, 0);
-            prune();
-        }
-        else
-        {
-            int row = mEvents.indexOf(event);
-            fireTableRowsUpdated(row, row);
-        }
-    }
-
-    private void prune()
-    {
-        while(mEvents.size() > mMaxMessages)
-        {
-            int index = mEvents.size() - 1;
-            mEvents.remove(index);
-            fireTableRowsDeleted(index, index);
-        }
-    }
-
-    @Override
-    public FilterSet<IDecodeEvent> getFilterSet() {
-        return mLastSeenFilterSet;
-    }
-
-    @Override
-    public void setFilterSet(FilterSet<IDecodeEvent> filterSet) {
-        this.mLastSeenFilterSet = filterSet;
-    }
-
-    @Override
-    public int getRowCount()
-    {
-        return mEvents.size();
-    }
-
-    @Override
-    public int getColumnCount()
-    {
-        return mHeaders.length;
-    }
-
-    public String getColumnName(int column)
-    {
-        return mHeaders[column];
-    }
-
-    @Override
-    public Object getValueAt(int rowIndex, int columnIndex)
-    {
-        synchronized(mEvents)
-        {
-            IDecodeEvent event = mEvents.get(rowIndex);
-
-            if(event != null)
-            {
-                switch(columnIndex)
-                {
-                    case COLUMN_TIME:
-                        return event.getTimeStart();
-                    case COLUMN_DURATION:
-                        return event.getDuration();
-                    case COLUMN_EVENT:
-                        return event.getEventDescription();
-                    case COLUMN_FROM_ID:
-                        return event.getIdentifierCollection();
-                    case COLUMN_FROM_ALIAS:
-                        return event.getIdentifierCollection();
-                    case COLUMN_TO_ID:
-                        return event.getIdentifierCollection();
-                    case COLUMN_TO_ALIAS:
-                        return event.getIdentifierCollection();
-                    case COLUMN_CHANNEL:
-                        IChannelDescriptor channelDescriptor = event.getChannelDescriptor();
-
-                        if(channelDescriptor != null)
-                        {
-                            if(event.hasTimeslot())
-                            {
-                                return channelDescriptor.toString() + " TS:" + event.getTimeslot();
-                            }
-                            else
-                            {
-                                return channelDescriptor.toString();
-                            }
-                        }
-                        else
-                        {
-                            if(event.hasTimeslot())
-                            {
-                                return "TS:" + event.getTimeslot();
-                            }
-                            else
-                            {
-                                return null;
-                            }
-                        }
-                    case COLUMN_FREQUENCY:
-                        return event.getChannelDescriptor();
-                    case COLUMN_DETAILS:
-                        return event.getDetails();
-                }
-            }
-        }
-
-        return null;
-    }
-
-    @Override
-    public Class<?> getColumnClass(int columnIndex)
-    {
-        switch(columnIndex)
-        {
-            case COLUMN_DURATION:
-            case COLUMN_TIME:
-                return Long.class;
-            case COLUMN_DETAILS:
-            case COLUMN_EVENT:
-                return String.class;
-            case COLUMN_FREQUENCY:
-            case COLUMN_FROM_ALIAS:
-            case COLUMN_FROM_ID:
-            case COLUMN_TO_ALIAS:
-            case COLUMN_TO_ID:
-                return IdentifierCollection.class;
-            case COLUMN_CHANNEL:
-                return String.class;
-        }
-        return super.getColumnClass(columnIndex);
-    }
-}

src/main/java/io/github/dsheirer/module/decode/event/filter/lastseen/LastSeenPanel.java

@@ -1,482 +0,0 @@
-/*
- *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
- *
- *
- */
-package io.github.dsheirer.module.decode.event.filter.lastseen;
-
-import com.google.common.base.Joiner;
-import com.google.common.eventbus.Subscribe;
-import io.github.dsheirer.alias.Alias;
-import io.github.dsheirer.alias.AliasList;
-import io.github.dsheirer.alias.AliasModel;
-import io.github.dsheirer.channel.IChannelDescriptor;
-import io.github.dsheirer.eventbus.MyEventBus;
-import io.github.dsheirer.filter.AllPassFilter;
-import io.github.dsheirer.filter.FilterSet;
-import io.github.dsheirer.icon.IconModel;
-import io.github.dsheirer.identifier.Form;
-import io.github.dsheirer.identifier.Identifier;
-import io.github.dsheirer.identifier.IdentifierCollection;
-import io.github.dsheirer.identifier.Role;
-import io.github.dsheirer.module.ProcessingChain;
-import io.github.dsheirer.module.decode.event.DecodeEventHistory;
-import io.github.dsheirer.module.decode.event.DecodeEventModel;
-import io.github.dsheirer.module.decode.event.IDecodeEvent;
-import io.github.dsheirer.module.decode.event.filter.EventClearButton;
-import io.github.dsheirer.module.decode.event.filter.EventClearHandler;
-import io.github.dsheirer.module.decode.event.filter.EventFilterButton;
-import io.github.dsheirer.module.decode.event.filter.EventFilterProvider;
-import io.github.dsheirer.preference.PreferenceType;
-import io.github.dsheirer.preference.UserPreferences;
-import io.github.dsheirer.preference.swing.JTableColumnWidthMonitor;
-import io.github.dsheirer.sample.Listener;
-import net.miginfocom.swing.MigLayout;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.swing.*;
-import javax.swing.table.DefaultTableCellRenderer;
-import java.awt.*;
-import java.text.DecimalFormat;
-import java.text.SimpleDateFormat;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
-
-public class LastSeenPanel extends JPanel implements Listener<ProcessingChain>
-{
-    private static final long serialVersionUID = 1L;
-    private final static Logger mLog = LoggerFactory.getLogger(LastSeenPanel.class);
-    private static final String TABLE_PREFERENCE_KEY = "decode.lastseen.panel";
-
-    private JTable mTable;
-    private JTableColumnWidthMonitor mTableColumnWidthMonitor;
-    private LastSeenModel mLastSeenModel;
-    private DecodeEventHistory mCurrentEventHistory;
-    private JScrollPane mEmptyScroller;
-    private IconModel mIconModel;
-    private AliasModel mAliasModel;
-    private UserPreferences mUserPreferences;
-    private TimestampCellRenderer mTimestampCellRenderer;
-    private LastSeenManagementPanel mLastSeenManagementPanel;
-
-    /**
-     * View for call event table
-     * @param iconModel to display alias icons in table rows
-     */
-    public LastSeenPanel(IconModel iconModel, UserPreferences userPreferences, AliasModel aliasModel)
-    {
-        MyEventBus.getGlobalEventBus().register(this);
-
-        setLayout(new MigLayout("insets 0 0 0 0", "[grow,fill]", "[grow,fill]"));
-        mIconModel = iconModel;
-        mAliasModel = aliasModel;
-        mLastSeenModel = new LastSeenModel(aliasModel, iconModel);
-        mUserPreferences = userPreferences;
-        mTimestampCellRenderer = new TimestampCellRenderer();
-        mTable = new JTable(mLastSeenModel);
-        mTable.setAutoCreateRowSorter(true);
-        mTable.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
-        mLastSeenManagementPanel = new LastSeenManagementPanel();
-        mTableColumnWidthMonitor = new JTableColumnWidthMonitor(mUserPreferences, mTable, TABLE_PREFERENCE_KEY);
-        updateCellRenderers();
-
-        add(mLastSeenManagementPanel, "span,growx");
-
-        mEmptyScroller = new JScrollPane(mTable);
-        add(mEmptyScroller);
-    }
-
-    public void dispose()
-    {
-        MyEventBus.getGlobalEventBus().unregister(this);
-    }
-
-    /**
-     * Receives preference update notifications via the event bus
-     * @param preferenceType that was updated
-     */
-    @Subscribe
-    public void preferenceUpdated(PreferenceType preferenceType)
-    {
-        if(preferenceType == PreferenceType.DECODE_EVENT || preferenceType == PreferenceType.TALKGROUP_FORMAT)
-        {
-            EventQueue.invokeLater(() -> mTimestampCellRenderer.updatePreferences());
-        }
-    }
-
-    private void updateCellRenderers()
-    {
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TIME)
-            .setCellRenderer(mTimestampCellRenderer);
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_DURATION)
-            .setCellRenderer(new DurationCellRenderer());
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ID)
-            .setCellRenderer(new IdentifierCellRenderer(Role.FROM));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FROM_ALIAS)
-            .setCellRenderer(new AliasedIdentifierCellRenderer(Role.FROM));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ID)
-            .setCellRenderer(new IdentifierCellRenderer(Role.TO));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_TO_ALIAS)
-            .setCellRenderer(new AliasedIdentifierCellRenderer(Role.TO));
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_CHANNEL)
-                .setCellRenderer(new ChannelDescriptorCellRenderer());
-        mTable.getColumnModel().getColumn(DecodeEventModel.COLUMN_FREQUENCY)
-                .setCellRenderer(new FrequencyCellRenderer());
-    }
-
-    @Override
-    public void receive(final ProcessingChain processingChain)
-    {
-        if(mCurrentEventHistory != null)
-        {
-            mCurrentEventHistory.removeListener(mLastSeenModel);
-        }
-
-        EventQueue.invokeLater(() -> {
-            if(processingChain != null)
-            {
-                mCurrentEventHistory = processingChain.getDecodeEventHistory();
-                mLastSeenModel.clearAndSet(mCurrentEventHistory.getItems());
-                processingChain.getDecodeEventHistory().addListener(mLastSeenModel);
-                mLastSeenManagementPanel.enableButtons();
-            }
-            else
-            {
-                mCurrentEventHistory = null;
-                mLastSeenModel.clearAndSet(Collections.emptyList());
-                mLastSeenManagementPanel.disableButtons();
-            }
-        });
-    }
-
-    public class LastSeenManagementPanel extends JPanel
-    {
-        private static final long serialVersionUID = 1L;
-
-        private EventFilterButton<IDecodeEvent> mFilterButton;
-        private EventClearButton mEventClearButton;
-
-        public LastSeenManagementPanel()
-        {
-            setLayout(new MigLayout("insets 2 2 5 5", "[]5[left,grow]", ""));
-
-            initializeFilterButton();
-            initializeClearButton();
-            disableButtons();
-
-            add(mFilterButton);
-            add(mEventClearButton);
-        }
-
-        public void enableButtons()
-        {
-            mFilterButton.setEnabled(true);
-            mEventClearButton.setEnabled(true);
-        }
-
-        public void disableButtons()
-        {
-            mFilterButton.setEnabled(false);
-            mEventClearButton.setEnabled(false);
-        }
-
-        private void initializeFilterButton()
-        {
-            EventFilterProvider<IDecodeEvent> filterProvider = (EventFilterProvider<IDecodeEvent>) mTable.getModel();
-            FilterSet<IDecodeEvent> filterSet = new FilterSet<>(new AllPassFilter<>());
-            if (filterProvider != null) {
-                filterSet = filterProvider.getFilterSet();
-            }
-            mFilterButton = new EventFilterButton<>("Last Seen From Radio Filter Editor", filterSet);
-        }
-
-        private void initializeClearButton() {
-            mEventClearButton = new EventClearButton(
-                    ((LastSeenModel) mTable.getModel()).getMaxMessageCount()
-            );
-            mEventClearButton.setEventClearHandler(new EventClearHandler() {
-                @Override
-                public void onHistoryLimitChanged(int newHistoryLimit) {
-                    ((LastSeenModel) mTable.getModel()).setMaxMessageCount(newHistoryLimit);
-                }
-
-                @Override
-                public void onClearHistoryClicked() {
-                    ((LastSeenModel) mTable.getModel()).clear();
-                }
-            });
-        }
-    }
-
-    /**
-     * Custom cell renderer for displaying identifiers from an identifier collection
-     */
-    public class IdentifierCellRenderer extends DefaultTableCellRenderer
-    {
-        protected Role mRole;
-
-        /**
-         * Constructs an instance of the cell renderer.
-         *
-         * @param role of the identifier
-         */
-        public IdentifierCellRenderer(Role role)
-        {
-            mRole = role;
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            if(value instanceof IdentifierCollection)
-            {
-                List<Identifier> identifiers = ((IdentifierCollection)value).getIdentifiers(mRole);
-                label.setText(format(identifiers));
-            }
-            else
-            {
-                label.setText(null);
-            }
-
-            return label;
-        }
-
-        /**
-         * Formats a list of identifiers as a comma separated list of values
-         * @param identifiers to format
-         * @return formatted list or null
-         */
-        protected String format(List<Identifier> identifiers)
-        {
-            if(identifiers == null || identifiers.isEmpty())
-            {
-                return null;
-            }
-
-            StringBuilder sb = new StringBuilder();
-
-            for(Identifier identifier: identifiers)
-            {
-                if(sb.length() > 0)
-                {
-                    sb.append(",");
-                }
-
-                if(identifier.getForm() == Form.TALKGROUP)
-                {
-                    sb.append(mUserPreferences.getTalkgroupFormatPreference().format(identifier));
-                }
-                else
-                {
-                    sb.append(identifier);
-                }
-
-            }
-
-            return sb.toString();
-        }
-    }
-
-    /**
-     * Cell renderer for identifier aliases
-     */
-    public class AliasedIdentifierCellRenderer extends DefaultTableCellRenderer
-    {
-        private Role mRole;
-
-        /**
-         * Constructs an instance of the cell renderer.
-         *
-         * @param role of the identifier
-         */
-        public AliasedIdentifierCellRenderer(Role role)
-        {
-            mRole = role;
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            Color color = mTable.getForeground();
-            ImageIcon icon = null;
-            String text = null;
-
-            if(value instanceof IdentifierCollection)
-            {
-                IdentifierCollection identifierCollection = (IdentifierCollection)value;
-                List<Identifier> identifiers = identifierCollection.getIdentifiers(mRole);
-
-                if(identifiers != null && !identifiers.isEmpty())
-                {
-                    AliasList aliasList = mAliasModel.getAliasList(identifierCollection);
-
-                    if(aliasList != null)
-                    {
-                        StringBuilder sb = new StringBuilder();
-
-                        for(Identifier identifier: identifiers)
-                        {
-                            List<Alias> aliases = aliasList.getAliases(identifier);
-
-                            if(!aliases.isEmpty())
-                            {
-                                if(sb.length() > 0)
-                                {
-                                    sb.append(",");
-                                }
-                                sb.append(Joiner.on(", ").skipNulls().join(aliases));
-                                color = aliases.get(0).getDisplayColor();
-                                icon = mIconModel.getIcon(aliases.get(0).getIconName(), IconModel.DEFAULT_ICON_SIZE);
-                            }
-                        }
-
-                        text = sb.toString();
-                    }
-                }
-            }
-
-            label.setText(text);
-            label.setForeground(color);
-            label.setIcon(icon);
-
-            return label;
-        }
-    }
-
-    public class TimestampCellRenderer extends DefaultTableCellRenderer
-    {
-        private SimpleDateFormat mTimestampFormatter;
-
-        public TimestampCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-            updatePreferences();
-        }
-
-        public void updatePreferences()
-        {
-            mTimestampFormatter = mUserPreferences.getDecodeEventPreference().getTimestampFormat().getFormatter();
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            if(value instanceof Long)
-            {
-                label.setText(mTimestampFormatter.format(new Date((long)value)));
-            }
-            else
-            {
-                label.setText(null);
-            }
-
-            return label;
-        }
-    }
-
-    public class DurationCellRenderer extends DefaultTableCellRenderer
-    {
-        private DecimalFormat mDecimalFormat = new DecimalFormat("0.0");
-
-        public DurationCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            String formatted = null;
-
-            if(value instanceof Long)
-            {
-                long duration = (long)value;
-
-                if(duration > 0)
-                {
-                    formatted = mDecimalFormat.format((double)duration / 1e3d);
-                }
-            }
-
-            label.setText(formatted);
-
-            return label;
-        }
-    }
-
-    /**
-     * Frequency value cell renderer
-     */
-    public class FrequencyCellRenderer extends DefaultTableCellRenderer
-    {
-        private DecimalFormat mFrequencyFormatter = new DecimalFormat("0.00000");
-
-        public FrequencyCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-
-        @Override
-        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
-        {
-            JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-
-            String formatted = null;
-
-            if(value instanceof IChannelDescriptor)
-            {
-                IChannelDescriptor channelDescriptor = (IChannelDescriptor)value;
-
-                long frequency = channelDescriptor.getDownlinkFrequency();
-
-                if(frequency > 0)
-                {
-                    formatted = mFrequencyFormatter.format(frequency / 1e6d);
-                }
-            }
-
-            label.setText(formatted);
-
-            return label;
-        }
-    }
-
-    /**
-     * Channel descriptor value cell renderer
-     */
-    public class ChannelDescriptorCellRenderer extends DefaultTableCellRenderer
-    {
-        public ChannelDescriptorCellRenderer()
-        {
-            setHorizontalAlignment(JLabel.CENTER);
-        }
-    }
-}

src/main/java/io/github/dsheirer/module/decode/fleetsync2/Fleetsync2DecoderState.java

@@ -2,24 +2,19 @@
  * *****************************************************************************
  * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.fleetsync2;
 
@@ -125,10 +120,8 @@ public class Fleetsync2DecoderState extends DecoderState
                     broadcast(new DecoderStateEvent(this, DecoderStateEvent.Event.DECODE, State.DATA));
                     break;
                 case GPS:
-                    PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent.plottableBuilder(fleetsync.getTimestamp())
+                    PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent.plottableBuilder(DecodeEventType.GPS, fleetsync.getTimestamp())
                         .channel(getCurrentChannel())
-                        .eventType(DecodeEventType.GPS)
-                        .eventDescription(DecodeEventType.GPS.toString())
                         .details(fleetsync.toString())
                         .identifiers(getIdentifierCollection().copyOf())
                         .protocol(Protocol.FLEETSYNC)
@@ -143,11 +136,9 @@ public class Fleetsync2DecoderState extends DecoderState
     }
 
     private DecodeEvent getDecodeEvent(Fleetsync2Message fleetsync, DecodeEventType eventType) {
-        return DecodeEvent.builder(fleetsync.getTimestamp())
+        return DecodeEvent.builder(eventType, fleetsync.getTimestamp())
                 .channel(getCurrentChannel())
-                .eventType(eventType)
-                .eventDescription(fleetsync.getMessageType().toString())
-                .details(fleetsync.toString())
+                .details(fleetsync.getMessageType() + " " + fleetsync)
                 .identifiers(getIdentifierCollection().copyOf())
                 .protocol(Protocol.FLEETSYNC)
                 .build();

src/main/java/io/github/dsheirer/module/decode/fleetsync2/FleetsyncMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.fleetsync2;
@@ -24,52 +23,63 @@ import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.fleetsync2.message.Fleetsync2Message;
-import io.github.dsheirer.module.decode.ltrnet.LtrNetMessageType;
+import java.util.function.Function;
 
-import java.util.*;
-
-public class FleetsyncMessageFilter extends Filter<IMessage>
+/**
+ * Filter for Fleetsync messages.
+ */
+public class FleetsyncMessageFilter extends Filter<IMessage,FleetsyncMessageType>
 {
-    private Map<FleetsyncMessageType,FilterElement<FleetsyncMessageType>> mElements = new EnumMap<>(FleetsyncMessageType.class);
+    private final KeyExtractor mKeyExtractor = new KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public FleetsyncMessageFilter()
     {
-        super("Fleetsync Message Filter");
+        super("Fleetsync Messages");
 
         for(FleetsyncMessageType type : FleetsyncMessageType.values())
         {
-            if(type != FleetsyncMessageType.UNKNOWN)
-            {
-                mElements.put(type, new FilterElement<FleetsyncMessageType>(type));
-            }
+            add(new FilterElement<>(type));
         }
     }
 
-    @Override
-    public boolean passes(IMessage message)
-    {
-        if(mEnabled && canProcess(message))
-        {
-            Fleetsync2Message fleet = (Fleetsync2Message)message;
-
-            if(mElements.containsKey(fleet.getMessageType()))
-            {
-                return mElements.get(fleet.getMessageType()).isEnabled();
-            }
-        }
-
-        return false;
-    }
-
+    /**
+     * Limits processing to only fleetsync messages.
+     * @param message to test
+     * @return true if message type is correct.
+     */
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof Fleetsync2Message;
+        return message instanceof Fleetsync2Message && super.canProcess(message);
     }
 
+    /**
+     * Key extractor for fleetsync messages
+     * @return key extractor
+     */
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, FleetsyncMessageType> getKeyExtractor()
     {
-        return new ArrayList<FilterElement<?>>(mElements.values());
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor for Fleetsync 2 Messages.
+     */
+    private class KeyExtractor implements Function<IMessage, FleetsyncMessageType>
+    {
+        @Override
+        public FleetsyncMessageType apply(IMessage message)
+        {
+            if(message instanceof Fleetsync2Message f2m)
+            {
+                return f2m.getMessageType();
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/lj1200/LJ1200DecoderState.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.lj1200;
 
@@ -31,14 +28,14 @@ import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.DecoderType;
 import io.github.dsheirer.module.decode.event.DecodeEvent;
 import io.github.dsheirer.module.decode.event.DecodeEventType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
+import io.github.dsheirer.protocol.Protocol;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 import java.util.TreeSet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class LJ1200DecoderState extends DecoderState
 {
@@ -73,12 +70,11 @@ public class LJ1200DecoderState extends DecoderState
                 ic.remove(IdentifierClass.USER);
                 ic.update(lj.getIdentifiers());
 
-                DecodeEvent event = DecodeEvent.builder(System.currentTimeMillis())
+                DecodeEvent event = DecodeEvent.builder(DecodeEventType.DATA_PACKET, System.currentTimeMillis())
+                    .protocol(Protocol.LOJACK)
                     .identifiers(ic)
-                    .eventType(DecodeEventType.DATA_PACKET)
                     .channel(getCurrentChannel())
-                    .details("LOJACK")
-                    .eventDescription(lj.toString())
+                    .details("LOJACK " + lj)
                     .build();
 
                 broadcast(event);
@@ -93,12 +89,11 @@ public class LJ1200DecoderState extends DecoderState
             ic.remove(IdentifierClass.USER);
             ic.update(transponder.getIdentifiers());
 
-            DecodeEvent transponderEvent = DecodeEvent.builder(System.currentTimeMillis())
+            DecodeEvent transponderEvent = DecodeEvent.builder(DecodeEventType.GPS, System.currentTimeMillis())
+                .protocol(Protocol.LOJACK)
                 .identifiers(ic)
-                .eventType(DecodeEventType.GPS)
                 .channel(getCurrentChannel())
-                .details("LOJACK TRANSPONDER")
-                .eventDescription(transponder.toString())
+                .details("LOJACK TRANSPONDER " + transponder)
                 .build();
 
             broadcast(transponderEvent);
@@ -117,7 +112,7 @@ public class LJ1200DecoderState extends DecoderState
         {
             sb.append("Transponder Addresses:\n");
 
-            List<String> addresses = new ArrayList<String>(mAddresses);
+            List<String> addresses = new ArrayList<>(mAddresses);
 
             Collections.sort(addresses);
 

src/main/java/io/github/dsheirer/module/decode/lj1200/LJ1200MessageFilter.java

@@ -1,52 +1,66 @@
-/*******************************************************************************
- *     SDR Trunk 
- *     Copyright (C) 2014,2015 Dennis Sheirer
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>
- ******************************************************************************/
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
 package io.github.dsheirer.module.decode.lj1200;
 
 import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
+import java.util.function.Function;
 
-import java.util.Collections;
-import java.util.List;
-
-public class LJ1200MessageFilter extends Filter<IMessage>
+/**
+ * Filter for LJ1200 messages
+ */
+public class LJ1200MessageFilter extends Filter<IMessage,String>
 {
+    private static final String LJ1200_KEY = "LJ-1200";
+    private final LJ1200KeyExtractor mKeyExtractor = new LJ1200KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public LJ1200MessageFilter()
     {
-        super("LJ-1200 Message Filter");
-    }
-
-    @Override
-    public boolean passes(IMessage message)
-    {
-        return mEnabled && canProcess(message);
+        super("LJ-1200 Messages");
+        add(new FilterElement<>(LJ1200_KEY));
     }
 
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof LJ1200Message || message instanceof LJ1200TransponderMessage;
+        return (message instanceof LJ1200Message || message instanceof LJ1200TransponderMessage);
     }
 
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, String> getKeyExtractor()
     {
-        return Collections.EMPTY_LIST;
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    public class LJ1200KeyExtractor implements Function<IMessage,String>
+    {
+        @Override
+        public String apply(IMessage message)
+        {
+            return LJ1200_KEY;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/ltrnet/LTRNetDecodeEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,23 +14,27 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.ltrnet;
 
 import io.github.dsheirer.module.decode.event.DecodeEvent;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.protocol.Protocol;
 
+/**
+ * LTRNet decode event
+ */
 public class LTRNetDecodeEvent extends DecodeEvent
 {
     /**
      * Constructs an LTR NET decode event
      * @param start
      */
-    public LTRNetDecodeEvent(long start)
+    public LTRNetDecodeEvent(DecodeEventType decodeEventType, long start)
     {
-        super(start);
+        super(decodeEventType, start);
         setProtocol(Protocol.LTR_NET);
     }
 
@@ -40,9 +43,9 @@ public class LTRNetDecodeEvent extends DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static DecodeEventBuilder builder(long timeStart)
+    public static DecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart)
     {
-        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(timeStart);
+        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(decodeEventType, timeStart);
         decodeEventBuilder.protocol(Protocol.LTR_NET);
         return decodeEventBuilder;
     }

src/main/java/io/github/dsheirer/module/decode/ltrnet/LTRNetDecoderState.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.ltrnet;
 
@@ -61,9 +58,6 @@ import io.github.dsheirer.module.decode.ltrnet.message.osw.SystemIdle;
 import io.github.dsheirer.module.decode.ltrnet.message.osw.TransmitFrequencyHigh;
 import io.github.dsheirer.module.decode.ltrnet.message.osw.TransmitFrequencyLow;
 import io.github.dsheirer.protocol.Protocol;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -72,6 +66,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class LTRNetDecoderState extends DecoderState
 {
@@ -167,9 +163,24 @@ public class LTRNetDecoderState extends DecoderState
 
             if(mCurrentCallTalkgroup == null || !mCurrentCallTalkgroup.equals(talkgroup))
             {
+                DecodeEventType decodeEventType = null;
+
+                if(talkgroup.getTalkgroup() == 253)
+                {
+                    decodeEventType = DecodeEventType.REGISTER;
+                }
+                else if(talkgroup.getTalkgroup() == 254)
+                {
+                    decodeEventType = DecodeEventType.STATION_ID;
+                }
+                else
+                {
+                    decodeEventType = DecodeEventType.CALL;
+                }
+
                 getIdentifierCollection().remove(IdentifierClass.USER);
                 getIdentifierCollection().update(talkgroup);
-                mCurrentCallEvent = LTRNetDecodeEvent.builder(timestamp)
+                mCurrentCallEvent = LTRNetDecodeEvent.builder(decodeEventType, timestamp)
                     .channel(getCurrentChannel())
                     .identifiers(getIdentifierCollection().copyOf())
                     .build();
@@ -181,20 +192,14 @@ public class LTRNetDecoderState extends DecoderState
 
             if(talkgroup.getTalkgroup() == 253)
             {
-                mCurrentCallEvent.setEventType(DecodeEventType.REGISTER);
-                mCurrentCallEvent.setEventDescription("Register");
                 broadcast(new DecoderStateEvent(this, Event.START, State.DATA));
             }
             else if(talkgroup.getTalkgroup() == 254)
             {
-                mCurrentCallEvent.setEventType(DecodeEventType.STATION_ID);
-                mCurrentCallEvent.setEventDescription("FCC CWID");
                 broadcast(new DecoderStateEvent(this, Event.START, State.DATA));
             }
             else
             {
-                mCurrentCallEvent.setEventType(DecodeEventType.CALL);
-                mCurrentCallEvent.setEventDescription("Call");
                 broadcast(new DecoderStateEvent(this, Event.START, State.CALL));
             }
 
@@ -292,77 +297,59 @@ public class LTRNetDecoderState extends DecoderState
             switch(((LtrNetMessage)message).getLtrNetMessageType())
             {
                 case ISW_CALL_END:
-                    if(message instanceof IswCallEnd)
+                    if(message instanceof IswCallEnd callEnd)
                     {
-                        IswCallEnd callEnd = (IswCallEnd)message;
                         mTalkgroups.add(callEnd.getTalkgroup());
                         processCallEnd(callEnd.getChannel(), callEnd.getTalkgroup(), callEnd.getTimestamp());
                     }
                     break;
                 case ISW_CALL_START:
-                    if(message instanceof IswCallStart)
+                    if(message instanceof IswCallStart callStart)
                     {
-                        IswCallStart callStart = (IswCallStart)message;
                         mTalkgroups.add(callStart.getTalkgroup());
                         processCallStart(callStart.getChannel(), callStart.getTalkgroup(), callStart.getTimestamp(),
                             MessageDirection.ISW);
                     }
                     break;
                 case ISW_REGISTRATION_REQUEST_ESN_HIGH:
-                    if(message instanceof RegistrationRequestEsnHigh)
+                    if(message instanceof RegistrationRequestEsnHigh registrationRequestEsn)
                     {
-                        RegistrationRequestEsnHigh registrationRequestEsn = (RegistrationRequestEsnHigh)message;
-
                         if(registrationRequestEsn.isCompleteEsn())
                         {
                             getIdentifierCollection().update(registrationRequestEsn.getESN());
                             mESNIdentifiers.add(registrationRequestEsn.getESN());
                         }
 
-                        broadcast(getDecodeEvent(
-                                message, DecodeEventType.REQUEST,
-                                "Registration Request", registrationRequestEsn.toString()));
+                        broadcast(getDecodeEvent(message, DecodeEventType.REQUEST, "REGISTER: " + registrationRequestEsn));
 
                         broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.DATA));
                     }
                     break;
                 case ISW_REGISTRATION_REQUEST_ESN_LOW:
-                    if(message instanceof RegistrationRequestEsnLow)
+                    if(message instanceof RegistrationRequestEsnLow registrationRequestEsn)
                     {
-                        RegistrationRequestEsnLow registrationRequestEsn = (RegistrationRequestEsnLow)message;
-
                         if(registrationRequestEsn.isCompleteEsn())
                         {
                             getIdentifierCollection().update(registrationRequestEsn.getESN());
                             mESNIdentifiers.add(registrationRequestEsn.getESN());
                         }
 
-                        broadcast(getDecodeEvent(
-                                message, DecodeEventType.REQUEST,
-                                "Registration Request", registrationRequestEsn.toString()));
-
+                        broadcast(getDecodeEvent(message, DecodeEventType.REQUEST, "REGISTER: " + registrationRequestEsn));
                         broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.DATA));
                     }
                     break;
                 case ISW_REQUEST_ACCESS:
-                    if(message instanceof RequestAccess)
+                    if(message instanceof RequestAccess requestAccess)
                     {
-                        RequestAccess requestAccess = (RequestAccess)message;
-
                         getIdentifierCollection().update(requestAccess.getTalkgroup());
                         mTalkgroups.add(requestAccess.getTalkgroup());
-
-                        broadcast(getDecodeEvent(
-                                message, DecodeEventType.REQUEST,
-                                "Access Request", requestAccess.toString()));
-
+                        broadcast(getDecodeEvent(message, DecodeEventType.REQUEST, "ACCESS: " + requestAccess));
                         broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.DATA));
                     }
                     break;
                 case ISW_UNIQUE_ID:
-                    if(message instanceof IswUniqueId)
+                    if(message instanceof IswUniqueId iswUniqueId)
                     {
-                        IswUniqueId iswUniqueId = (IswUniqueId)message;
                         getIdentifierCollection().update(iswUniqueId.getUniqueID());
                         mLtrNetRadioIdentifiers.add(iswUniqueId.getUniqueID());
                         updateCurrentCallIdentifiers();
@@ -373,99 +360,90 @@ public class LTRNetDecoderState extends DecoderState
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_CALL_END:
-                    if(message instanceof OswCallEnd)
+                    if(message instanceof OswCallEnd callEnd)
                     {
-                        OswCallEnd callEnd = (OswCallEnd)message;
                         mTalkgroups.add(callEnd.getTalkgroup());
                         processCallEnd(callEnd.getChannel(), callEnd.getTalkgroup(), callEnd.getTimestamp());
                     }
                     break;
                 case OSW_CALL_START:
-                    if(message instanceof OswCallStart)
+                    if(message instanceof OswCallStart callStart)
                     {
-                        OswCallStart callStart = (OswCallStart)message;
                         mTalkgroups.add(callStart.getTalkgroup());
                         processCallStart(callStart.getChannel(), callStart.getTalkgroup(), callStart.getTimestamp(),
                             MessageDirection.OSW);
                     }
                     break;
                 case OSW_CHANNEL_MAP_HIGH:
-                    if(message instanceof ChannelMapHigh)
+                    if(message instanceof ChannelMapHigh channelMapHigh)
                     {
-                        mChannelMapHigh = (ChannelMapHigh)message;
+                        mChannelMapHigh = channelMapHigh;
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_CHANNEL_MAP_LOW:
-                    if(message instanceof ChannelMapLow)
+                    if(message instanceof ChannelMapLow channelMapLow)
                     {
-                        mChannelMapLow = (ChannelMapLow)message;
+                        mChannelMapLow = channelMapLow;
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_SYSTEM_IDLE:
-                    if(message instanceof SystemIdle)
+                    if(message instanceof SystemIdle systemIdle)
                     {
-                        setCurrentChannelNumber(((SystemIdle)message).getChannel());
+                        setCurrentChannelNumber(systemIdle.getChannel());
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_NEIGHBOR_ID:
-                    if(message instanceof NeighborId)
+                    if(message instanceof NeighborId neighborId)
                     {
-                        NeighborId neighborId = (NeighborId)message;
                         mNeighborMap.put(neighborId.getNeighborRank(), neighborId);
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_RECEIVE_FREQUENCY_HIGH:
-                    if(message instanceof ReceiveFrequencyHigh)
+                    if(message instanceof ReceiveFrequencyHigh receiveFrequency)
                     {
-                        ReceiveFrequencyHigh receiveFrequency = (ReceiveFrequencyHigh)message;
                         updateReceiveFrequency(receiveFrequency.getChannel(), receiveFrequency.getFrequency());
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_RECEIVE_FREQUENCY_LOW:
-                    if(message instanceof ReceiveFrequencyLow)
+                    if(message instanceof ReceiveFrequencyLow receiveFrequency)
                     {
-                        ReceiveFrequencyLow receiveFrequency = (ReceiveFrequencyLow)message;
                         updateReceiveFrequency(receiveFrequency.getChannel(), receiveFrequency.getFrequency());
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_REGISTRATION_ACCEPT:
-                    if(message instanceof RegistrationAccept)
+                    if(message instanceof RegistrationAccept registrationAccept)
                     {
-                        RegistrationAccept registrationAccept = (RegistrationAccept)message;
                         mLtrNetRadioIdentifiers.add(registrationAccept.getUniqueID());
                         MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
                         ic.remove(IdentifierClass.USER);
                         ic.update(message.getIdentifiers());
 
-                        broadcast(getDecodeEvent(message, DecodeEventType.RESPONSE,
-                                "Registration Accept", registrationAccept.toString()));
+                        broadcast(getDecodeEvent(message, DecodeEventType.RESPONSE, "REGISTRATION ACCEPT: " + registrationAccept));
                     }
                     break;
                 case OSW_SITE_ID:
-                    if(message instanceof SiteId)
+                    if(message instanceof SiteId siteId)
                     {
-                        mCurrentSite = (SiteId)message;
+                        mCurrentSite = siteId;
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_TRANSMIT_FREQUENCY_HIGH:
-                    if(message instanceof TransmitFrequencyHigh)
+                    if(message instanceof TransmitFrequencyHigh transmitFrequency)
                     {
-                        TransmitFrequencyHigh transmitFrequency = (TransmitFrequencyHigh)message;
                         updateTransmitFrequency(transmitFrequency.getChannel(), transmitFrequency.getFrequency());
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
                     break;
                 case OSW_TRANSMIT_FREQUENCY_LOW:
-                    if(message instanceof TransmitFrequencyLow)
+                    if(message instanceof TransmitFrequencyLow transmitFrequency)
                     {
-                        TransmitFrequencyLow transmitFrequency = (TransmitFrequencyLow)message;
                         updateTransmitFrequency(transmitFrequency.getChannel(), transmitFrequency.getFrequency());
                     }
                     broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.IDLE));
@@ -477,24 +455,22 @@ public class LTRNetDecoderState extends DecoderState
         }
     }
 
-    private DecodeEvent getDecodeEvent(IMessage message, DecodeEventType decodeEventType, String description, String details) {
-        return LTRNetDecodeEvent.builder(message.getTimestamp())
-                .eventType(decodeEventType)
-                .eventDescription(description)
+    private DecodeEvent getDecodeEvent(IMessage message, DecodeEventType decodeEventType, String details)
+    {
+        return LTRNetDecodeEvent.builder(decodeEventType, message.getTimestamp())
                 .details(details)
                 .identifiers(getIdentifierCollection().copyOf())
                 .channel(getCurrentChannel())
                 .build();
     }
 
-    private DecodeEvent getDecodeEvent(LTRTalkgroup talkgroup, int channel, long timestamp, DecodeEventType decodeEventType) {
+    private DecodeEvent getDecodeEvent(LTRTalkgroup talkgroup, int channel, long timestamp, DecodeEventType decodeEventType)
+    {
         MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
         ic.remove(IdentifierClass.USER);
         ic.update(talkgroup);
 
-        return LTRNetDecodeEvent.builder(timestamp)
-                .eventType(decodeEventType)
-                .eventDescription(decodeEventType.toString())
+        return LTRNetDecodeEvent.builder(decodeEventType, timestamp)
                 .channel(mChannelMap.get(channel))
                 .identifiers(ic)
                 .build();

src/main/java/io/github/dsheirer/module/decode/ltrnet/LTRNetMessageFilter.java

@@ -1,52 +1,85 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.ltrnet;
 
 import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.ltrnet.message.LtrNetMessage;
-import io.github.dsheirer.module.decode.ltrstandard.LtrStandardMessageType;
+import java.util.function.Function;
 
-import java.util.*;
-
-public class LTRNetMessageFilter extends Filter<IMessage>
+/**
+ * Filter for LTR-Net messages
+ */
+public class LTRNetMessageFilter extends Filter<IMessage,LtrNetMessageType>
 {
-    private Map<LtrNetMessageType, FilterElement<LtrNetMessageType>> mElements = new EnumMap<>(LtrNetMessageType.class);
+    private final KeyExtractor mKeyExtractor = new KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public LTRNetMessageFilter()
     {
-        super("LTR-Net Message Filter");
+        super("LTR-Net Messages");
 
         for(LtrNetMessageType type: LtrNetMessageType.values())
         {
-            mElements.put(type, new FilterElement<>(type));
+            add(new FilterElement<>(type));
         }
     }
 
-    @Override
-    public boolean passes(IMessage message)
-    {
-        if(mEnabled && canProcess(message))
-        {
-            LtrNetMessage ltr = (LtrNetMessage) message;
-
-            if(mElements.containsKey(ltr.getLtrNetMessageType()))
-            {
-                return mElements.get(ltr.getLtrNetMessageType()).isEnabled();
-            }
-        }
-
-        return false;
-    }
-
+    /**
+     * Tests for instance of LTR-Net message
+     * @param message to test
+     * @return true if correct type.
+     */
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof LtrNetMessage;
+        return message instanceof LtrNetMessage && super.canProcess(message);
     }
 
+    /**
+     * Key extractor for LTR-Net messages
+     * @return extractor
+     */
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, LtrNetMessageType> getKeyExtractor()
     {
-        return new ArrayList<FilterElement<?>>(mElements.values());
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,LtrNetMessageType>
+    {
+        @Override
+        public LtrNetMessageType apply(IMessage message)
+        {
+            if(message instanceof LtrNetMessage ltr)
+            {
+                return ltr.getLtrNetMessageType();
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/ltrstandard/LTRStandardDecodeEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,23 +14,27 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.ltrstandard;
 
 import io.github.dsheirer.module.decode.event.DecodeEvent;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.protocol.Protocol;
 
+/**
+ * LTR decode event
+ */
 public class LTRStandardDecodeEvent extends DecodeEvent
 {
     /**
      * Constructs an LTR Standard decode event
      * @param start
      */
-    public LTRStandardDecodeEvent(long start)
+    public LTRStandardDecodeEvent(DecodeEventType decodeEventType, long start)
     {
-        super(start);
+        super(decodeEventType, start);
         setProtocol(Protocol.LTR);
     }
 
@@ -40,9 +43,9 @@ public class LTRStandardDecodeEvent extends DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static DecodeEventBuilder builder(long timeStart)
+    public static DecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart)
     {
-        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(timeStart);
+        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(decodeEventType, timeStart);
         decodeEventBuilder.protocol(Protocol.LTR);
         return decodeEventBuilder;
     }

src/main/java/io/github/dsheirer/module/decode/ltrstandard/LTRStandardDecoderState.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.ltrstandard;
 
@@ -42,9 +39,6 @@ import io.github.dsheirer.module.decode.ltrstandard.message.CallEnd;
 import io.github.dsheirer.module.decode.ltrstandard.message.Idle;
 import io.github.dsheirer.module.decode.ltrstandard.message.LTRMessage;
 import io.github.dsheirer.protocol.Protocol;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -52,6 +46,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class LTRStandardDecoderState extends DecoderState
 {
@@ -82,10 +78,8 @@ public class LTRStandardDecoderState extends DecoderState
             switch(((LTRMessage)message).getMessageType())
             {
                 case CALL:
-                    if(message instanceof Call)
+                    if(message instanceof Call start)
                     {
-                        Call start = (Call)message;
-
                         int channel = start.getChannel();
                         setChannelNumber(channel);
                         mLCNTracker.processFreeChannel(start.getFree());
@@ -98,11 +92,9 @@ public class LTRStandardDecoderState extends DecoderState
                                 mCurrentTalkgroup = start.getTalkgroup();
                                 getIdentifierCollection().remove(IdentifierClass.USER);
                                 getIdentifierCollection().update(start.getTalkgroup());
-                                mCurrentCallEvent = LTRStandardDecodeEvent.builder(start.getTimestamp())
+                                mCurrentCallEvent = LTRStandardDecodeEvent.builder(DecodeEventType.CALL, start.getTimestamp())
                                     .identifiers(getIdentifierCollection().copyOf())
                                     .channel(getCurrentChannel())
-                                    .eventType(DecodeEventType.CALL)
-                                    .eventDescription("Call")
                                     .build();
                             }
                             else
@@ -115,10 +107,8 @@ public class LTRStandardDecoderState extends DecoderState
                     }
                     break;
                 case CALL_END:
-                    if(message instanceof CallEnd)
+                    if(message instanceof CallEnd end)
                     {
-                        CallEnd end = (CallEnd)message;
-
                         mCurrentTalkgroup = null;
 
                         //Home channel is 31 for call end -- use the free channel as the call end channel
@@ -136,10 +126,10 @@ public class LTRStandardDecoderState extends DecoderState
                     }
                     break;
                 case IDLE:
-                    if(message instanceof Idle)
+                    if(message instanceof Idle idle)
                     {
                         mCurrentTalkgroup = null;
-                        mLCNTracker.processCallChannel(((Idle)message).getChannel());
+                        mLCNTracker.processCallChannel(idle.getChannel());
                     }
                     break;
                 default:

src/main/java/io/github/dsheirer/module/decode/ltrstandard/LTRStandardMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.ltrstandard;
@@ -24,47 +23,53 @@ import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.ltrstandard.message.LTRMessage;
+import java.util.function.Function;
 
-import java.util.*;
-
-public class LTRStandardMessageFilter extends Filter<IMessage>
+/**
+ * Filter for LTR standard messages.
+ */
+public class LTRStandardMessageFilter extends Filter<IMessage,LtrStandardMessageType>
 {
-    private Map<LtrStandardMessageType,FilterElement<LtrStandardMessageType>> mElements = new EnumMap<>(LtrStandardMessageType.class);
+    private final KeyExtractor mKeyExtractor = new KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public LTRStandardMessageFilter()
     {
-        super("LTR Message Filter");
+        super("LTR Messages");
 
-        mElements.put(LtrStandardMessageType.CALL, new FilterElement<>(LtrStandardMessageType.CALL));
-        mElements.put(LtrStandardMessageType.CALL_END, new FilterElement<>(LtrStandardMessageType.CALL_END));
-        mElements.put(LtrStandardMessageType.IDLE, new FilterElement<>(LtrStandardMessageType.IDLE));
-        mElements.put(LtrStandardMessageType.UNKNOWN, new FilterElement<>(LtrStandardMessageType.UNKNOWN));
-    }
-
-    @Override
-    public boolean passes(IMessage message)
-    {
-        if(mEnabled && canProcess(message))
+        for(LtrStandardMessageType type: LtrStandardMessageType.values())
         {
-            LTRMessage ltr = (LTRMessage)message;
-
-            if(mElements.containsKey(ltr.getMessageType()))
-            {
-                return mElements.get(ltr.getMessageType()).isEnabled();
-            }
+            add(new FilterElement<>(type));
         }
-
-        return false;
     }
 
     public boolean canProcess(IMessage message)
     {
-        return message instanceof LTRMessage;
+        return message instanceof LTRMessage && super.canProcess(message);
     }
 
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, LtrStandardMessageType> getKeyExtractor()
     {
-        return new ArrayList<FilterElement<?>>(mElements.values());
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,LtrStandardMessageType>
+    {
+        @Override
+        public LtrStandardMessageType apply(IMessage message)
+        {
+            if(message instanceof LTRMessage ltr)
+            {
+                return ltr.getMessageType();
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/mdc1200/MDCDecodeEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,23 +14,28 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.mdc1200;
 
 import io.github.dsheirer.module.decode.event.DecodeEvent;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.protocol.Protocol;
 
+/**
+ * MDC-1200 decode event
+ */
 public class MDCDecodeEvent extends DecodeEvent
 {
     /**
-     * Constucts a P25 decode event
-     * @param start
+     * Constucts an MDC1200 decode event
+     * @param decodeEventType for the event
+     * @param start for the event
      */
-    public MDCDecodeEvent(long start)
+    public MDCDecodeEvent(DecodeEventType decodeEventType, long start)
     {
-        super(start);
+        super(decodeEventType, start);
         setProtocol(Protocol.MDC1200);
     }
 
@@ -40,9 +44,9 @@ public class MDCDecodeEvent extends DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static DecodeEventBuilder builder(long timeStart)
+    public static DecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart)
     {
-        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(timeStart);
+        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(decodeEventType, timeStart);
         decodeEventBuilder.protocol(Protocol.MDC1200);
         return decodeEventBuilder;
     }

src/main/java/io/github/dsheirer/module/decode/mdc1200/MDCDecoderState.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.mdc1200;
 
@@ -31,7 +28,6 @@ import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.DecoderType;
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.module.decode.mdc1200.identifier.MDC1200Identifier;
-
 import java.util.Iterator;
 import java.util.Set;
 import java.util.TreeSet;
@@ -114,9 +110,7 @@ public class MDCDecoderState extends DecoderState
             ic.remove(IdentifierClass.USER);
             ic.update(message.getIdentifiers());
 
-            broadcast(MDCDecodeEvent.builder(mdc.getTimestamp())
-                .eventType(getDecodeEventType(type))
-                .eventDescription(type.getLabel())
+            broadcast(MDCDecodeEvent.builder(getDecodeEventType(type), mdc.getTimestamp())
                 .details(mdc.toString())
                 .identifiers(ic)
                 .build());

src/main/java/io/github/dsheirer/module/decode/mdc1200/MDCMessageFilter.java

@@ -1,55 +1,75 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.mdc1200;
 
 import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
-import io.github.dsheirer.message.Message;
-import io.github.dsheirer.module.decode.mpt1327.MPT1327Message;
+import java.util.function.Function;
 
-import java.util.*;
-
-public class MDCMessageFilter extends Filter<IMessage>
+/**
+ * Message filter for MDC-1200 messages
+ */
+public class MDCMessageFilter extends Filter<IMessage,MDCMessageType>
 {
-    private Map<MDCMessageType, FilterElement<MDCMessageType>> mElements = new EnumMap<>(MDCMessageType.class);
+    private final KeyExtractor mKeyExtractor = new KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public MDCMessageFilter()
     {
-        super("MDC-1200 Message Filter");
+        super("MDC-1200 Messages");
 
         for(MDCMessageType type : MDCMessageType.values())
         {
-            if(type != MDCMessageType.UNKNOWN)
-            {
-                mElements.put(type, new FilterElement<MDCMessageType>(type));
-            }
+            add(new FilterElement<>(type));
         }
     }
 
-    @Override
-    public boolean passes(IMessage message)
-    {
-        if(mEnabled && canProcess(message))
-        {
-            MDCMessage mdc = (MDCMessage) message;
-
-            if(mElements.containsKey(mdc.getMessageType()))
-            {
-                return mElements.get(mdc.getMessageType()).isEnabled();
-            }
-        }
-
-        return false;
-    }
-
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof MDCMessage;
+        return message instanceof MDCMessage && super.canProcess(message);
     }
 
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, MDCMessageType> getKeyExtractor()
     {
-        return new ArrayList<FilterElement<?>>(mElements.values());
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,MDCMessageType>
+    {
+        @Override
+        public MDCMessageType apply(IMessage message)
+        {
+            if(message instanceof MDCMessage mdc)
+            {
+                return mdc.getMessageType();
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/mpt1327/MPT1327ChannelGrantEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,21 +14,23 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.mpt1327;
 
 import io.github.dsheirer.channel.IChannelDescriptor;
 import io.github.dsheirer.identifier.IdentifierCollection;
 import io.github.dsheirer.module.decode.event.DecodeEventType;
-import io.github.dsheirer.module.decode.p25.P25DecodeEvent;
 import io.github.dsheirer.protocol.Protocol;
 
-public class MPT1327ChannelGrantEvent extends P25DecodeEvent
+/**
+ * MPT1327 Channel Grant Event
+ */
+public class MPT1327ChannelGrantEvent extends MPT1327DecodeEvent
 {
-    public MPT1327ChannelGrantEvent(long timestamp)
+    public MPT1327ChannelGrantEvent(DecodeEventType decodeEventType, long timestamp)
     {
-        super(timestamp);
+        super(decodeEventType, timestamp);
     }
 
     /**
@@ -37,9 +38,9 @@ public class MPT1327ChannelGrantEvent extends P25DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static MPT1327ChannelGrantDecodeEventBuilder mpt1327Builder(long timeStart)
+    public static MPT1327ChannelGrantDecodeEventBuilder mpt1327Builder(DecodeEventType decodeEventType, long timeStart)
     {
-        return new MPT1327ChannelGrantDecodeEventBuilder(timeStart);
+        return new MPT1327ChannelGrantDecodeEventBuilder(decodeEventType, timeStart);
     }
 
     /**
@@ -49,7 +50,6 @@ public class MPT1327ChannelGrantEvent extends P25DecodeEvent
     {
         protected long mTimeStart;
         protected long mDuration;
-        protected String mEventDescription;
         protected DecodeEventType mDecodeEventType;
         protected IdentifierCollection mIdentifierCollection;
         protected IChannelDescriptor mChannelDescriptor;
@@ -60,8 +60,9 @@ public class MPT1327ChannelGrantEvent extends P25DecodeEvent
          *
          * @param timeStart
          */
-        public MPT1327ChannelGrantDecodeEventBuilder(long timeStart)
+        public MPT1327ChannelGrantDecodeEventBuilder(DecodeEventType decodeEventType, long timeStart)
         {
+            mDecodeEventType = decodeEventType;
             mTimeStart = timeStart;
         }
 
@@ -95,25 +96,6 @@ public class MPT1327ChannelGrantEvent extends P25DecodeEvent
             return this;
         }
 
-        /**
-         * Sets the Decode Event type for this event.
-         * @param eventType
-         */
-        public MPT1327ChannelGrantDecodeEventBuilder eventType(DecodeEventType eventType) {
-            mDecodeEventType = eventType;
-            return this;
-        }
-
-        /**
-         * Sets the event description text
-         * @param description of the event
-         */
-        public MPT1327ChannelGrantDecodeEventBuilder eventDescription(String description)
-        {
-            mEventDescription = description;
-            return this;
-        }
-
         /**
          * Sets the identifier collection.
          * @param identifierCollection containing optional identifiers like TO, FROM, frequency and
@@ -140,13 +122,11 @@ public class MPT1327ChannelGrantEvent extends P25DecodeEvent
          */
         public MPT1327ChannelGrantEvent build()
         {
-            MPT1327ChannelGrantEvent decodeEvent = new MPT1327ChannelGrantEvent(mTimeStart);
+            MPT1327ChannelGrantEvent decodeEvent = new MPT1327ChannelGrantEvent(mDecodeEventType, mTimeStart);
             decodeEvent.setProtocol(Protocol.MPT1327);
             decodeEvent.setChannelDescriptor(mChannelDescriptor);
             decodeEvent.setDetails(mDetails);
             decodeEvent.setDuration(mDuration);
-            decodeEvent.setEventType(mDecodeEventType);
-            decodeEvent.setEventDescription(mEventDescription);
             decodeEvent.setIdentifierCollection(mIdentifierCollection);
             return decodeEvent;
         }

src/main/java/io/github/dsheirer/module/decode/mpt1327/MPT1327DecodeEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,23 +14,27 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.mpt1327;
 
 import io.github.dsheirer.module.decode.event.DecodeEvent;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.protocol.Protocol;
 
+/**
+ * MPT1327 Decode Event
+ */
 public class MPT1327DecodeEvent extends DecodeEvent
 {
     /**
      * Constructs a MPT1327 decode event
      * @param start
      */
-    public MPT1327DecodeEvent(long start)
+    public MPT1327DecodeEvent(DecodeEventType decodeEventType, long start)
     {
-        super(start);
+        super(decodeEventType, start);
         setProtocol(Protocol.MPT1327);
     }
 
@@ -40,9 +43,9 @@ public class MPT1327DecodeEvent extends DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static DecodeEventBuilder builder(long timeStart)
+    public static DecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart)
     {
-        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(timeStart);
+        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(decodeEventType, timeStart);
         decodeEventBuilder.protocol(Protocol.MPT1327);
         return decodeEventBuilder;
     }

src/main/java/io/github/dsheirer/module/decode/mpt1327/MPT1327DecoderState.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -33,14 +33,13 @@ import io.github.dsheirer.module.decode.event.DecodeEvent;
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.module.decode.mpt1327.channel.MPT1327Channel;
 import io.github.dsheirer.util.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.TreeSet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class MPT1327DecoderState extends DecoderState
 {
@@ -198,9 +197,7 @@ public class MPT1327DecoderState extends DecoderState
     private DecodeEvent getDecodeEvent(IMessage message, MPT1327Message mpt, DecodeEventType decodeEventType, String details)
     {
         MutableIdentifierCollection ic = getUpdatedMutableIdentifierCollection(mpt);
-        return MPT1327DecodeEvent.builder(message.getTimestamp())
-                .eventType(decodeEventType)
-                .eventDescription(decodeEventType.toString())
+        return MPT1327DecodeEvent.builder(decodeEventType, message.getTimestamp())
                 .details(details)
                 .identifiers(ic)
                 .build();

src/main/java/io/github/dsheirer/module/decode/mpt1327/MPT1327MessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.mpt1327;
@@ -23,56 +22,55 @@ package io.github.dsheirer.module.decode.mpt1327;
 import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
-import io.github.dsheirer.message.MessageType;
+import java.util.function.Function;
 
-import java.util.*;
-
-public class MPT1327MessageFilter extends Filter<IMessage>
+/**
+ * Filter for MPT1327 messages
+ */
+public class MPT1327MessageFilter extends Filter<IMessage, MPT1327Message.MPTMessageType>
 {
-    private Map<MPT1327Message.MPTMessageType, FilterElement<MPT1327Message.MPTMessageType>> mFilterElements = new EnumMap<>(MPT1327Message.MPTMessageType.class);
+    private final KeyExtractor mKeyExtractor = new KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public MPT1327MessageFilter()
     {
-        super("MPT1327 Message Type Filter");
+        super("MPT1327 Messages");
 
         for(MPT1327Message.MPTMessageType type : MPT1327Message.MPTMessageType.values())
         {
-            if(type != MPT1327Message.MPTMessageType.UNKN)
-            {
-                mFilterElements.put(type, new FilterElement<MPT1327Message.MPTMessageType>(type));
-            }
+            add(new FilterElement<>(type));
         }
     }
 
-    @Override
-    public boolean passes(IMessage message)
-    {
-        if(mEnabled && canProcess(message))
-        {
-            MPT1327Message mpt = (MPT1327Message) message;
-
-            FilterElement<MPT1327Message.MPTMessageType> element =
-                    mFilterElements.get(mpt.getMessageType());
-
-            if(element != null)
-            {
-                return element.isEnabled();
-            }
-        }
-
-        return false;
-    }
-
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof MPT1327Message;
+        return message instanceof MPT1327Message && super.canProcess(message);
     }
 
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, MPT1327Message.MPTMessageType> getKeyExtractor()
     {
-        return new ArrayList<FilterElement<?>>(mFilterElements.values());
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage, MPT1327Message.MPTMessageType>
+    {
+        @Override
+        public MPT1327Message.MPTMessageType apply(IMessage message)
+        {
+            if(message instanceof MPT1327Message mpt)
+            {
+                return mpt.getMessageType();
+            }
+
+            return null;
+        }
     }
 }
 

src/main/java/io/github/dsheirer/module/decode/mpt1327/MPT1327TrafficChannelManager.java

@@ -104,10 +104,9 @@ public class MPT1327TrafficChannelManager extends TrafficChannelManager implemen
                 }
             }
 
-            MPT1327ChannelGrantEvent channelGrantEvent = MPT1327ChannelGrantEvent.mpt1327Builder(mpt1327Message.getTimestamp())
+            MPT1327ChannelGrantEvent channelGrantEvent = MPT1327ChannelGrantEvent
+                .mpt1327Builder(DecodeEventType.CALL, mpt1327Message.getTimestamp())
                 .channel(mpt1327Channel)
-                .eventType(DecodeEventType.CALL)
-                .eventDescription("Call")
                 .details("Traffic Channel Grant")
                 .identifiers(identifierCollection)
                 .build();
@@ -125,7 +124,7 @@ public class MPT1327TrafficChannelManager extends TrafficChannelManager implemen
                 if(trafficChannel == null)
                 {
                     channelGrantEvent.setDetails(MAX_TRAFFIC_CHANNELS_EXCEEDED);
-                    channelGrantEvent.setEventDescription("Detect:" + channelGrantEvent.getEventDescription());
+                    channelGrantEvent.setDetails("Detect:" + channelGrantEvent.getDetails());
                     return;
                 }
 
@@ -152,10 +151,8 @@ public class MPT1327TrafficChannelManager extends TrafficChannelManager implemen
         DecodeConfiguration decodeConfiguration = parentChannel.getDecodeConfiguration();
         List<Channel> trafficChannelList = new ArrayList<>();
 
-        if(decodeConfiguration instanceof DecodeConfigMPT1327)
+        if(decodeConfiguration instanceof DecodeConfigMPT1327 decodeConfigMPT1327)
         {
-            DecodeConfigMPT1327 decodeConfigMPT1327 = (DecodeConfigMPT1327)decodeConfiguration;
-
             int maxTrafficChannels = decodeConfigMPT1327.getTrafficChannelPoolSize();
 
             for(int x = 0; x < maxTrafficChannels; x++)

src/main/java/io/github/dsheirer/module/decode/p25/P25ChannelGrantEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.p25;
 
@@ -29,9 +28,9 @@ public class P25ChannelGrantEvent extends P25DecodeEvent
 {
     private ServiceOptions mServiceOptions;
 
-    public P25ChannelGrantEvent(long timestamp)
+    public P25ChannelGrantEvent(DecodeEventType decodeEventType, long timestamp)
     {
-        super(timestamp);
+        super(decodeEventType, timestamp);
     }
 
     /**
@@ -39,9 +38,9 @@ public class P25ChannelGrantEvent extends P25DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static P25ChannelGrantDecodeEventBuilder builder(long timeStart, ServiceOptions serviceOptions)
+    public static P25ChannelGrantDecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart, ServiceOptions serviceOptions)
     {
-        return new P25ChannelGrantDecodeEventBuilder(timeStart, serviceOptions);
+        return new P25ChannelGrantDecodeEventBuilder(decodeEventType, timeStart, serviceOptions);
     }
 
     /**
@@ -76,7 +75,6 @@ public class P25ChannelGrantEvent extends P25DecodeEvent
     {
         protected long mTimeStart;
         protected long mDuration;
-        protected String mEventDescription;
         protected DecodeEventType mDecodeEventType;
         protected IdentifierCollection mIdentifierCollection;
         protected IChannelDescriptor mChannelDescriptor;
@@ -88,8 +86,9 @@ public class P25ChannelGrantEvent extends P25DecodeEvent
          *
          * @param timeStart
          */
-        public P25ChannelGrantDecodeEventBuilder(long timeStart, ServiceOptions serviceOptions)
+        public P25ChannelGrantDecodeEventBuilder(DecodeEventType decodeEventType, long timeStart, ServiceOptions serviceOptions)
         {
+            mDecodeEventType = decodeEventType;
             mTimeStart = timeStart;
             mServiceOptions = serviceOptions;
         }
@@ -124,26 +123,6 @@ public class P25ChannelGrantEvent extends P25DecodeEvent
             return this;
         }
 
-        /**
-         * Sets the event description text
-         * @param description of the event
-         */
-        public P25ChannelGrantDecodeEventBuilder eventDescription(String description)
-        {
-            mEventDescription = description;
-            return this;
-        }
-
-        /**
-         * Sets the {@link DecodeEventType}
-         * @param decodeEventType of the event
-         */
-        public P25ChannelGrantDecodeEventBuilder eventType(DecodeEventType decodeEventType)
-        {
-            mDecodeEventType = decodeEventType;
-            return this;
-        }
-
         /**
          * Sets the identifier collection.
          * @param identifierCollection containing optional identifiers like TO, FROM, frequency and
@@ -170,13 +149,11 @@ public class P25ChannelGrantEvent extends P25DecodeEvent
          */
         public P25ChannelGrantEvent build()
         {
-            P25ChannelGrantEvent decodeEvent = new P25ChannelGrantEvent(mTimeStart);
+            P25ChannelGrantEvent decodeEvent = new P25ChannelGrantEvent(mDecodeEventType, mTimeStart);
             decodeEvent.setProtocol(Protocol.APCO25);
             decodeEvent.setChannelDescriptor(mChannelDescriptor);
             decodeEvent.setDetails(mDetails);
             decodeEvent.setDuration(mDuration);
-            decodeEvent.setEventType(mDecodeEventType);
-            decodeEvent.setEventDescription(mEventDescription);
             decodeEvent.setIdentifierCollection(mIdentifierCollection);
             decodeEvent.setServiceOptions(mServiceOptions);
             return decodeEvent;

src/main/java/io/github/dsheirer/module/decode/p25/P25DecodeEvent.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,12 +14,13 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.p25;
 
 import io.github.dsheirer.module.decode.event.DecodeEvent;
+import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.protocol.Protocol;
 
 public class P25DecodeEvent extends DecodeEvent
@@ -29,9 +29,9 @@ public class P25DecodeEvent extends DecodeEvent
      * Constructs a P25 decode event
      * @param start
      */
-    public P25DecodeEvent(long start)
+    public P25DecodeEvent(DecodeEventType decodeEventType, long start)
     {
-        super(start);
+        super(decodeEventType, start);
         setProtocol(Protocol.APCO25);
     }
 
@@ -40,9 +40,9 @@ public class P25DecodeEvent extends DecodeEvent
      * @param timeStart for the event
      * @return builder
      */
-    public static DecodeEventBuilder builder(long timeStart)
+    public static DecodeEventBuilder builder(DecodeEventType decodeEventType, long timeStart)
     {
-        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(timeStart);
+        DecodeEventBuilder decodeEventBuilder = new DecodeEventBuilder(decodeEventType, timeStart);
         decodeEventBuilder.protocol(Protocol.APCO25);
         return decodeEventBuilder;
     }

src/main/java/io/github/dsheirer/module/decode/p25/P25TrafficChannelManager.java

@@ -281,11 +281,9 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
                 {
                     event.end(timestamp);
 
-                    P25ChannelGrantEvent continuationGrantEvent = P25ChannelGrantEvent.builder(timestamp, serviceOptions)
+                    P25ChannelGrantEvent continuationGrantEvent = P25ChannelGrantEvent.builder(decodeEventType, timestamp, serviceOptions)
                         .channel(apco25Channel)
-                        .eventType(decodeEventType)
-                        .eventDescription(decodeEventType.toString() + " - Continue")
-                        .details("PHASE 1 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""))
+                        .details("CONTINUE - PHASE 1 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""))
                         .identifiers(identifierCollection)
                         .build();
 
@@ -306,7 +304,6 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
 
                 if(trafficChannel != null)
                 {
-                    event.setEventDescription(decodeEventType.toString());
                     event.setDetails("PHASE 1 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""));
                     event.setChannelDescriptor(apco25Channel);
                     broadcast(event);
@@ -327,10 +324,8 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
 
         if(mIgnoreDataCalls && opcode.isDataChannelGrant())
         {
-            P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(timestamp, serviceOptions)
+            P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(decodeEventType, timestamp, serviceOptions)
                 .channel(apco25Channel)
-                .eventType(decodeEventType)
-                .eventDescription(decodeEventType.toString() + " - Ignored")
                 .details("DATA CALL IGNORED: " + (serviceOptions != null ? serviceOptions : ""))
                 .identifiers(identifierCollection)
                 .build();
@@ -340,10 +335,8 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
             return;
         }
 
-        P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(timestamp, serviceOptions)
+        P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(decodeEventType, timestamp, serviceOptions)
             .channel(apco25Channel)
-            .eventType(decodeEventType)
-            .eventDescription(decodeEventType.toString())
             .details("PHASE 1 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""))
             .identifiers(identifierCollection)
             .build();
@@ -357,8 +350,7 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
 
             if(trafficChannel == null)
             {
-                channelGrantEvent.setDetails(MAX_TRAFFIC_CHANNELS_EXCEEDED);
-                channelGrantEvent.setEventDescription(channelGrantEvent.getEventDescription() + " - Ignored");
+                channelGrantEvent.setDetails(MAX_TRAFFIC_CHANNELS_EXCEEDED + " - IGNORED");
                 return;
             }
 
@@ -427,11 +419,9 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
                 {
                     event.end(timestamp);
 
-                    P25ChannelGrantEvent continuationGrantEvent = P25ChannelGrantEvent.builder(timestamp, serviceOptions)
+                    P25ChannelGrantEvent continuationGrantEvent = P25ChannelGrantEvent.builder(decodeEventType, timestamp, serviceOptions)
                         .channel(apco25Channel)
-                        .eventType(decodeEventType)
-                        .eventDescription(decodeEventType.toString() + " - Continue")
-                        .details("PHASE 2 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""))
+                        .details("CONTINUE - PHASE 2 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""))
                         .identifiers(identifierCollection)
                         .build();
 
@@ -460,7 +450,6 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
 
                 if(trafficChannel != null)
                 {
-                    event.setEventDescription(decodeEventType.toString());
                     event.setDetails("PHASE 2 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""));
                     event.setChannelDescriptor(apco25Channel);
                     broadcast(event);
@@ -488,10 +477,8 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
 
         if(mIgnoreDataCalls && opcode.isDataChannelGrant())
         {
-            P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(timestamp, serviceOptions)
+            P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(decodeEventType, timestamp, serviceOptions)
                 .channel(apco25Channel)
-                .eventType(decodeEventType)
-                .eventDescription(decodeEventType.toString() + " - Ignored")
                 .details("PHASE 2 DATA CALL IGNORED: " + (serviceOptions != null ? serviceOptions : ""))
                 .identifiers(identifierCollection)
                 .build();
@@ -502,10 +489,8 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
             return;
         }
 
-        P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(timestamp, serviceOptions)
+        P25ChannelGrantEvent channelGrantEvent = P25ChannelGrantEvent.builder(decodeEventType, timestamp, serviceOptions)
             .channel(apco25Channel)
-            .eventType(decodeEventType)
-            .eventDescription(decodeEventType.toString())
             .details("PHASE 2 CHANNEL GRANT " + (serviceOptions != null ? serviceOptions : ""))
             .identifiers(identifierCollection)
             .build();
@@ -526,8 +511,7 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
 
             if(trafficChannel == null)
             {
-                channelGrantEvent.setDetails(MAX_TRAFFIC_CHANNELS_EXCEEDED);
-                channelGrantEvent.setEventDescription(channelGrantEvent.getEventDescription() + " - Ignored");
+                channelGrantEvent.setDetails(MAX_TRAFFIC_CHANNELS_EXCEEDED + " - IGNORED");
                 return;
             }
 
@@ -836,17 +820,7 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
 
                                         if (event != null)
                                         {
-                                            event.setEventDescription(event.getEventDescription() + " - Rejected");
-
-                                            if (channelEvent.getDescription() != null)
-                                            {
-                                                event.setDetails(channelEvent.getDescription() + " - " + event.getDetails());
-                                            }
-                                            else
-                                            {
-                                                event.setDetails(CHANNEL_START_REJECTED + " - " + event.getDetails());
-                                            }
-
+                                            event.setDetails(CHANNEL_START_REJECTED + " - " + event.getDetails());
                                             broadcast(event);
                                         }
                                     });

src/main/java/io/github/dsheirer/module/decode/p25/phase1/P25P1DecoderState.java

@@ -654,10 +654,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
     private void processBroadcast(List<Identifier> identifiers, long timestamp, DecodeEventType request, String s) {
         MutableIdentifierCollection requestCollection = getMutableIdentifierCollection(identifiers);
 
-        broadcast(P25DecodeEvent.builder(timestamp)
+        broadcast(P25DecodeEvent.builder(request, timestamp)
                 .channel(getCurrentChannel())
-                .eventType(request)
-                .eventDescription(request.toString())
                 .details(s)
                 .identifiers(requestCollection)
                 .build());
@@ -767,17 +765,16 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
     /**
      * Updates or creates a current call event.
      *
-     * @param type of call that will be used as an event description
+     * @param decodeEventType of call that will be used as an event description
      * @param details of the call (optional)
      * @param timestamp of the message indicating a call or continuation
      */
-    private void updateCurrentCall(DecodeEventType type, String details, long timestamp)
+    private void updateCurrentCall(DecodeEventType decodeEventType, String details, long timestamp)
     {
         if(mCurrentCallEvent == null)
         {
-            mCurrentCallEvent = P25DecodeEvent.builder(timestamp)
+            mCurrentCallEvent = P25DecodeEvent.builder(DecodeEventType.CALL, timestamp)
                 .channel(getCurrentChannel())
-                .eventDescription(type.toString())
                 .details(details)
                 .identifiers(getIdentifierCollection().copyOf())
                 .build();
@@ -791,9 +788,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
             mCurrentCallEvent.end(timestamp);
             broadcast(mCurrentCallEvent);
 
-            if(type == DecodeEventType.CALL_ENCRYPTED)
+            if(decodeEventType == DecodeEventType.CALL_ENCRYPTED)
             {
-                mCurrentCallEvent.setEventDescription(type.toString());
                 mCurrentCallEvent.setDetails(details);
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.ENCRYPTED));
             }
@@ -838,12 +834,9 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
      */
     private void processPDU(P25Message message)
     {
-        if(message.isValid() && message instanceof PDUMessage)
+        if(message.isValid() && message instanceof PDUMessage pdu)
         {
-            PDUMessage pdu = (PDUMessage)message;
-
             processBroadcast(pdu.getIdentifiers(), message.getTimestamp(), DecodeEventType.DATA_PACKET, pdu.toString());
-
         }
 
         broadcast(new DecoderStateEvent(this, Event.DECODE, State.DATA));
@@ -856,10 +849,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
      */
     private void processUMBTC(P25Message message)
     {
-        if(message.isValid() && message instanceof UMBTCTelephoneInterconnectRequestExplicitDialing)
+        if(message.isValid() && message instanceof UMBTCTelephoneInterconnectRequestExplicitDialing tired)
         {
-            UMBTCTelephoneInterconnectRequestExplicitDialing tired = (UMBTCTelephoneInterconnectRequestExplicitDialing)message;
-
             processBroadcast(tired.getIdentifiers(), tired.getTimestamp(), DecodeEventType.REQUEST, "TELEPHONE INTERCONNECT:" + tired.getTelephoneNumber());
         }
 
@@ -910,11 +901,10 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                             ic.update(identifier);
                         }
 
-                        DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                        DecodeEvent packetEvent = P25DecodeEvent.builder(DecodeEventType.AUTOMATIC_REGISTRATION_SERVICE, message.getTimestamp())
                                 .channel(getCurrentChannel())
-                                .eventDescription(DecodeEventType.AUTOMATIC_REGISTRATION_SERVICE.toString())
                                 .identifiers(ic)
-                                .details(arsPacket.toString() + " " + ipv4.toString())
+                                .details(arsPacket + " " + ipv4)
                                 .build();
 
                         broadcast(packetEvent);
@@ -929,11 +919,10 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                             ic.update(identifier);
                         }
 
-                        DecodeEvent cellocatorEvent = P25DecodeEvent.builder(message.getTimestamp())
+                        DecodeEvent cellocatorEvent = P25DecodeEvent.builder(DecodeEventType.CELLOCATOR, message.getTimestamp())
                                 .channel(getCurrentChannel())
-                                .eventDescription("Cellocator")
                                 .identifiers(ic)
-                                .details(mcgpPacket.toString() + " " + ipv4.toString())
+                                .details(mcgpPacket + " " + ipv4)
                                 .build();
 
                         broadcast(cellocatorEvent);
@@ -942,10 +931,9 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                     {
                         MutableIdentifierCollection ic = new MutableIdentifierCollection(packet.getIdentifiers());
 
-                        DecodeEvent lrrpEvent = P25DecodeEvent.builder(message.getTimestamp())
+                        DecodeEvent lrrpEvent = P25DecodeEvent.builder(DecodeEventType.LRRP, message.getTimestamp())
                                 .channel(getCurrentChannel())
                                 .details(lrrpPacket + " " + ipv4)
-                                .eventDescription("LRRP")
                                 .identifiers(ic)
                                 .protocol(Protocol.LRRP)
                                 .build();
@@ -956,9 +944,9 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
 
                         if(geoPosition != null)
                         {
-                            PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent.plottableBuilder(message.getTimestamp())
+                            PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent
+                                    .plottableBuilder(DecodeEventType.GPS, message.getTimestamp())
                                     .channel(getCurrentChannel())
-                                    .eventDescription(DecodeEventType.GPS.toString())
                                     .identifiers(ic)
                                     .protocol(Protocol.LRRP)
                                     .location(geoPosition)
@@ -975,9 +963,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                             ic.update(identifier);
                         }
 
-                        DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                        DecodeEvent packetEvent = P25DecodeEvent.builder(DecodeEventType.UDP_PACKET, message.getTimestamp())
                                 .channel(getCurrentChannel())
-                                .eventDescription(DecodeEventType.UDP_PACKET.toString())
                                 .identifiers(ic)
                                 .details(ipv4.toString())
                                 .build();
@@ -993,9 +980,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                         ic.update(identifier);
                     }
 
-                    DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                    DecodeEvent packetEvent = P25DecodeEvent.builder(DecodeEventType.ICMP_PACKET, message.getTimestamp())
                             .channel(getCurrentChannel())
-                            .eventDescription(DecodeEventType.ICMP_PACKET.toString())
                             .identifiers(ic)
                             .details(ipv4.toString())
                             .build();
@@ -1010,9 +996,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                         ic.update(identifier);
                     }
 
-                    DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                    DecodeEvent packetEvent = P25DecodeEvent.builder(DecodeEventType.IP_PACKET, message.getTimestamp())
                             .channel(getCurrentChannel())
-                            .eventDescription(DecodeEventType.IP_PACKET.toString())
                             .identifiers(ic)
                             .details(ipv4.toString())
                             .build();
@@ -1028,9 +1013,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                     ic.update(identifier);
                 }
 
-                DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                DecodeEvent packetEvent = P25DecodeEvent.builder(DecodeEventType.UNKNOWN_PACKET, message.getTimestamp())
                         .channel(getCurrentChannel())
-                        .eventDescription(DecodeEventType.UNKNOWN_PACKET.toString())
                         .identifiers(ic)
                         .details(packet.toString())
                         .build();
@@ -1376,9 +1360,8 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
 
     private void processTSBKRoamingAddressRequest(TSBKMessage tsbk) {
         //TODO: not sure if this should be used or not.
-        broadcast(P25DecodeEvent.builder(tsbk.getTimestamp())
+        broadcast(P25DecodeEvent.builder(DecodeEventType.REQUEST, tsbk.getTimestamp())
             .channel(getCurrentChannel())
-            .eventDescription(DecodeEventType.REQUEST.toString())
             .details("ROAMING ADDRESS")
             // TODO: This identifierCollection is different from all the others.
             .identifiers(new IdentifierCollection(tsbk.getIdentifiers()))

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/HeaderMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.p25.phase1.message.filter;
@@ -24,32 +23,51 @@ import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.p25.phase1.message.hdu.HDUMessage;
+import java.util.function.Function;
 
-import java.util.Collections;
-import java.util.List;
-
-public class HDUMessageFilter extends Filter<IMessage>
+/**
+ * Filter for HDU header messages
+ */
+public class HeaderMessageFilter extends Filter<IMessage,String>
 {
-    public HDUMessageFilter()
-    {
-        super("Header Data Unit");
-    }
+    private static final String HDU_KEY = "Header Data Unit (HDU)";
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
 
-    @Override
-    public boolean passes(IMessage message)
+    /**
+     * Constructor
+     */
+    public HeaderMessageFilter()
     {
-        return mEnabled && canProcess(message);
+        super("Header Messages");
+        add(new FilterElement<>(HDU_KEY));
     }
 
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof HDUMessage;
+        return message instanceof HDUMessage && super.canProcess(message);
     }
 
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, String> getKeyExtractor()
     {
-        return Collections.EMPTY_LIST;
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
+    {
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof HDUMessage)
+            {
+                return HDU_KEY;
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/IPPacketMessageFilter.java

@@ -1,55 +0,0 @@
-/*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.p25.phase1.message.filter;
-
-import io.github.dsheirer.filter.Filter;
-import io.github.dsheirer.filter.FilterElement;
-import io.github.dsheirer.message.IMessage;
-import io.github.dsheirer.module.decode.p25.phase1.message.pdu.packet.PacketMessage;
-
-import java.util.Collections;
-import java.util.List;
-
-public class IPPacketMessageFilter extends Filter<IMessage>
-{
-    public IPPacketMessageFilter()
-    {
-        super("Packet Message");
-    }
-
-    @Override
-    public boolean passes(IMessage message)
-    {
-        return mEnabled && canProcess(message);
-    }
-
-    @Override
-    public boolean canProcess(IMessage message)
-    {
-        return message instanceof PacketMessage;
-    }
-
-    @Override
-    public List<FilterElement<?>> getFilterElements()
-    {
-        return Collections.EMPTY_LIST;
-    }
-}

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/P25OtherMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.p25.phase1.message.filter;
@@ -23,33 +22,52 @@ package io.github.dsheirer.module.decode.p25.phase1.message.filter;
 import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
-import io.github.dsheirer.module.decode.p25.phase1.message.ldu.LDUMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.P25Message;
+import java.util.function.Function;
 
-import java.util.Collections;
-import java.util.List;
-
-public class LDUMessageFilter extends Filter<IMessage>
+/**
+ * Filter for unknown messages, meaning messages not handled by any other filter.
+ */
+public class P25OtherMessageFilter extends Filter<IMessage,String>
 {
-    public LDUMessageFilter()
+    private static final String OTHER_KEY = "Other/Unknown Message";
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructor
+     */
+    public P25OtherMessageFilter()
     {
-        super("Link Data Unit");
+        super("Other P25 messages");
+        add(new FilterElement<>(OTHER_KEY));
     }
 
     @Override
-    public boolean passes(IMessage message)
+    public Function<IMessage, String> getKeyExtractor()
     {
-        return mEnabled && canProcess(message);
+        return mKeyExtractor;
     }
 
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof LDUMessage;
+        return message instanceof P25Message && super.canProcess(message);
     }
 
-    @Override
-    public List<FilterElement<?>> getFilterElements()
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
     {
-        return Collections.EMPTY_LIST;
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof P25Message)
+            {
+                return OTHER_KEY;
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/P25P1MessageFilterSet.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,35 +14,42 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.p25.phase1.message.filter;
 
 import io.github.dsheirer.filter.FilterSet;
+import io.github.dsheirer.filter.SyncLossMessageFilter;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.message.SyncLossMessage;
 import io.github.dsheirer.module.decode.p25.phase1.message.P25Message;
 
-public class P25MessageFilterSet extends FilterSet<IMessage>
+/**
+ * Filter set for P25 messages
+ */
+public class P25P1MessageFilterSet extends FilterSet<IMessage>
 {
-    public P25MessageFilterSet()
+    public P25P1MessageFilterSet()
     {
         super("P25 Message Filter");
 
-        addFilter(new AMBTCMessageFilter());
-        addFilter(new HDUMessageFilter());
-        addFilter(new IPPacketMessageFilter());
-        addFilter(new LDUMessageFilter());
+        addFilter(new HeaderMessageFilter());
+        addFilter(new PacketMessageFilter());
         addFilter(new PDUMessageFilter());
         addFilter(new SNDCPMessageFilter());
         addFilter(new SyncLossMessageFilter());
-        addFilter(new TDUMessageFilter());
-        addFilter(new TDULCMessageFilter());
-        addFilter(new TSBKMessageFilterSet());
-        addFilter(new UMBTCMessageFilter());
+        addFilter(new TerminatorMessageFilterSet());
+        addFilter(new TrunkingOpcodeMessageFilterSet());
+        addFilter(new VoiceMessageFilter());
+        addFilter(new P25OtherMessageFilter());
     }
 
+    /**
+     * Override default to descope handling to P25 or sync-loss messages.
+     * @param message to test
+     * @return true if the message can be processed
+     */
     @Override
     public boolean canProcess(IMessage message)
     {

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/PDUMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.p25.phase1.message.filter;
@@ -24,49 +23,52 @@ import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.p25.phase1.message.pdu.PDUMessage;
-import io.github.dsheirer.module.decode.p25.phase1.message.tsbk.Opcode;
-import io.github.dsheirer.protocol.Protocol;
+import io.github.dsheirer.module.decode.p25.phase1.message.tdu.TDUMessage;
+import java.util.function.Function;
 
-import java.util.*;
-
-public class PDUMessageFilter extends Filter<IMessage>
+/**
+ * Filter for PDU packet data unit messages
+ */
+public class PDUMessageFilter extends Filter<IMessage,String>
 {
-    private Map<Opcode, FilterElement<Opcode>> mOpcodeFilterElements = new EnumMap<>(Opcode.class);
+    private static final String PDU_KEY = "Packet Data Unit (PDU)";
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
 
+    /**
+     * Constructor
+     */
     public PDUMessageFilter()
     {
-        super("PDU - Packet Data Unit");
-
-        for(Opcode opcode : Opcode.values())
-        {
-            mOpcodeFilterElements.put(opcode, new FilterElement<Opcode>(opcode));
-        }
+        super("Packet Data Unit messages");
+        add(new FilterElement<>(PDU_KEY));
     }
 
     @Override
-    public boolean passes(IMessage message)
+    public Function<IMessage, String> getKeyExtractor()
     {
-        if(mEnabled && message instanceof PDUMessage)
-        {
-            PDUMessage pdu = (PDUMessage) message;
-
-            Opcode opcode = pdu.getOpcode();
-
-            return mOpcodeFilterElements.get(opcode).isEnabled();
-        }
-
-        return false;
+        return mKeyExtractor;
     }
 
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof PDUMessage;
+        return message instanceof TDUMessage && super.canProcess(message);
     }
 
-    @Override
-    public List<FilterElement<?>> getFilterElements()
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
     {
-        return new ArrayList<FilterElement<?>>(mOpcodeFilterElements.values());
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof PDUMessage)
+            {
+                return PDU_KEY;
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/PacketMessageFilter.java

@@ -0,0 +1,135 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.p25.phase1.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.ip.IPacket;
+import io.github.dsheirer.module.decode.ip.cellocator.MCGPPacket;
+import io.github.dsheirer.module.decode.ip.icmp.ICMPPacket;
+import io.github.dsheirer.module.decode.ip.ipv4.IPV4Packet;
+import io.github.dsheirer.module.decode.ip.mototrbo.ars.ARSPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.lrrp.LRRPPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.xcmp.XCMPPacket;
+import io.github.dsheirer.module.decode.ip.udp.UDPPacket;
+import io.github.dsheirer.module.decode.p25.phase1.message.pdu.packet.PacketMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.pdu.packet.sndcp.SNDCPPacketMessage;
+import java.util.function.Function;
+
+/**
+ * Filter for packet messages
+ */
+public class PacketMessageFilter extends Filter<IMessage,String>
+{
+    private static final String KEY_CELLOCATOR = "Cellocator Packet";
+    private static final String KEY_IPV4_OTHER = "IPV4 Other Packet";
+    private static final String KEY_IPV4_UDP_ICMP = "IPV4 UDP/IP ICMP Packet";
+    private static final String KEY_IPV4_UDP_OTHER = "IPV4 UDP/IP Other Packet";
+    private static final String KEY_MOTOROLA_ARS = "Motorola Registration (ARS) Packet";
+    private static final String KEY_MOTOROLA_LRRP = "Motorola Location Report (LRRP) Packet";
+    private static final String KEY_MOTOROLA_XCMP = "Motorola Extensible (XCMP) Packet";
+    private static final String KEY_SNDCP = "SNDCP Data Packet";
+    private static final String KEY_UNKNOWN = "Unknown Packet";
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructor
+     */
+    public PacketMessageFilter()
+    {
+        super("Packet Messages");
+        add(new FilterElement<>(KEY_CELLOCATOR));
+        add(new FilterElement<>(KEY_IPV4_OTHER));
+        add(new FilterElement<>(KEY_IPV4_UDP_ICMP));
+        add(new FilterElement<>(KEY_IPV4_UDP_OTHER));
+        add(new FilterElement<>(KEY_MOTOROLA_ARS));
+        add(new FilterElement<>(KEY_MOTOROLA_LRRP));
+        add(new FilterElement<>(KEY_MOTOROLA_XCMP));
+        add(new FilterElement<>(KEY_SNDCP));
+        add(new FilterElement<>(KEY_UNKNOWN));
+    }
+
+    @Override
+    public Function<IMessage, String> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return message instanceof PacketMessage && super.canProcess(message);
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
+    {
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof PacketMessage packetMessage)
+            {
+                IPacket packet = packetMessage.getPacket();
+
+                if(packet instanceof MCGPPacket)
+                {
+                    return KEY_CELLOCATOR;
+                }
+                else if(packet instanceof ICMPPacket)
+                {
+                    return KEY_IPV4_UDP_ICMP;
+                }
+                else if(packet instanceof UDPPacket)
+                {
+                    return KEY_IPV4_UDP_OTHER;
+                }
+                else if(packet instanceof IPV4Packet)
+                {
+                    return KEY_IPV4_OTHER;
+                }
+                else if(packet instanceof SNDCPPacketMessage)
+                {
+                    return KEY_SNDCP;
+                }
+                else if(packet instanceof ARSPacket)
+                {
+                    return KEY_MOTOROLA_ARS;
+                }
+                else if(packet instanceof LRRPPacket)
+                {
+                    return KEY_MOTOROLA_LRRP;
+                }
+                else if(packet instanceof XCMPPacket)
+                {
+                    return KEY_MOTOROLA_XCMP;
+                }
+
+                else
+                {
+                    return KEY_UNKNOWN;
+                }
+            }
+            return null;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/SNDCPMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.p25.phase1.message.filter;
@@ -24,32 +23,55 @@ import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.p25.phase1.message.pdu.packet.sndcp.SNDCPMessage;
+import io.github.dsheirer.module.decode.p25.reference.PDUType;
+import java.util.function.Function;
 
-import java.util.Collections;
-import java.util.List;
-
-public class SNDCPMessageFilter extends Filter<IMessage>
+/**
+ * Filter for SNDCP messages
+ */
+public class SNDCPMessageFilter extends Filter<IMessage, PDUType>
 {
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructor
+     */
     public SNDCPMessageFilter()
     {
-        super("Sub-Network Dependent Convergence Protocol");
-    }
+        super("Sub-Network Dependent Convergence Protocol (SNDCP) Messages");
 
-    @Override
-    public boolean passes(IMessage message)
-    {
-        return mEnabled && canProcess(message);
+        for(PDUType pduType: PDUType.values())
+        {
+            add(new FilterElement<>(pduType));
+        }
     }
 
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof SNDCPMessage;
+        return message instanceof SNDCPMessage && super.canProcess(message);
     }
 
     @Override
-    public List<FilterElement<?>> getFilterElements()
+    public Function<IMessage, PDUType> getKeyExtractor()
     {
-        return Collections.EMPTY_LIST;
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,PDUType>
+    {
+        @Override
+        public PDUType apply(IMessage message)
+        {
+            if(message instanceof SNDCPMessage sndcp)
+            {
+                return sndcp.getPDUType();
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/TDULCMessageFilter.java

@@ -1,55 +0,0 @@
-/*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.p25.phase1.message.filter;
-
-import io.github.dsheirer.filter.Filter;
-import io.github.dsheirer.filter.FilterElement;
-import io.github.dsheirer.message.IMessage;
-import io.github.dsheirer.module.decode.p25.phase1.message.tdu.TDULinkControlMessage;
-
-import java.util.Collections;
-import java.util.List;
-
-public class TDULCMessageFilter extends Filter<IMessage>
-{
-    public TDULCMessageFilter()
-    {
-        super("TDU Terminator Data Unit with Link Control");
-    }
-
-    @Override
-    public boolean passes(IMessage message)
-    {
-        return mEnabled && canProcess(message);
-    }
-
-    @Override
-    public boolean canProcess(IMessage message)
-    {
-        return message instanceof TDULinkControlMessage;
-    }
-
-    @Override
-    public List<FilterElement<?>> getFilterElements()
-    {
-        return Collections.EMPTY_LIST;
-    }
-}

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/TDUMessageFilter.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.p25.phase1.message.filter;
@@ -24,32 +23,51 @@ import io.github.dsheirer.filter.Filter;
 import io.github.dsheirer.filter.FilterElement;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.p25.phase1.message.tdu.TDUMessage;
+import java.util.function.Function;
 
-import java.util.Collections;
-import java.util.List;
-
-public class TDUMessageFilter extends Filter<IMessage>
+/**
+ * Filter for TDU terminator (no link control) messages
+ */
+public class TDUMessageFilter extends Filter<IMessage,String>
 {
+    private static final String TDU_KEY = "Terminator Data Unit (TDU)";
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructor
+     */
     public TDUMessageFilter()
     {
-        super("TDU Terminator Data Unit");
+        super("Terminator/No Link Control messages");
+        add(new FilterElement<>(TDU_KEY));
     }
 
     @Override
-    public boolean passes(IMessage message)
+    public Function<IMessage, String> getKeyExtractor()
     {
-        return mEnabled && canProcess(message);
+        return mKeyExtractor;
     }
 
     @Override
     public boolean canProcess(IMessage message)
     {
-        return message instanceof TDUMessage;
+        return message instanceof TDUMessage && super.canProcess(message);
     }
 
-    @Override
-    public List<FilterElement<?>> getFilterElements()
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,String>
     {
-        return Collections.EMPTY_LIST;
+        @Override
+        public String apply(IMessage message)
+        {
+            if(message instanceof TDUMessage)
+            {
+                return TDU_KEY;
+            }
+
+            return null;
+        }
     }
 }

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/TSBKMessageFilterSet.java

@@ -1,113 +0,0 @@
-/*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.p25.phase1.message.filter;
-
-import io.github.dsheirer.filter.Filter;
-import io.github.dsheirer.filter.FilterElement;
-import io.github.dsheirer.filter.FilterSet;
-import io.github.dsheirer.message.IMessage;
-import io.github.dsheirer.module.decode.p25.phase1.message.tsbk.Opcode;
-import io.github.dsheirer.module.decode.p25.phase1.message.tsbk.TSBKMessage;
-import io.github.dsheirer.module.decode.p25.reference.Vendor;
-
-import java.util.*;
-
-public class TSBKMessageFilterSet extends FilterSet<IMessage>
-{
-    public TSBKMessageFilterSet()
-    {
-        super("TSBK Trunking Signalling Block");
-
-        addFilter(new StandardOpcodeFilter());
-    }
-
-//	@Override
-//    public boolean passes( Message message )
-//    {
-//		if( mEnabled && canProcess( message ) )
-//		{
-//			TSBKMessage tsbk = (TSBKMessage) message;
-//
-//			switch( tsbk.getVendor() )
-//			{
-//				case STANDARD:
-//					return 
-//			}
-//			Opcode opcode = tsbk.getOpcode();
-//			
-//			return mFilterElements.get( opcode ).isEnabled();
-//		}
-//
-//	    return false;
-//    }
-
-    @Override
-    public boolean canProcess(IMessage message)
-    {
-        return message instanceof TSBKMessage;
-    }
-
-    public class StandardOpcodeFilter extends Filter<IMessage>
-    {
-        private Map<Opcode, FilterElement<Opcode>> mStandardElements = new EnumMap<>(Opcode.class);
-
-        public StandardOpcodeFilter()
-        {
-            super("Standard Opcode Filter");
-
-            for(Opcode opcode : Opcode.values())
-            {
-                if(opcode != Opcode.OSP_UNKNOWN)
-                {
-                    mStandardElements.put(opcode, new FilterElement<Opcode>(opcode));
-                }
-            }
-        }
-
-        @Override
-        public boolean passes(IMessage message)
-        {
-            if(mEnabled && canProcess(message))
-            {
-                Opcode opcode = ((TSBKMessage) message).getOpcode();
-
-                if(mStandardElements.containsKey(opcode))
-                {
-                    return mStandardElements.get(opcode).isEnabled();
-                }
-            }
-
-            return false;
-        }
-
-        @Override
-        public boolean canProcess(IMessage message)
-        {
-            return ((TSBKMessage) message).getVendor() == Vendor.STANDARD;
-        }
-
-        @Override
-        public List<FilterElement<?>> getFilterElements()
-        {
-            return new ArrayList<FilterElement<?>>(mStandardElements.values());
-        }
-    }
-}

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/TerminatorMessageFilter.java

@@ -0,0 +1,74 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.p25.phase1.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.lc.LinkControlOpcode;
+import io.github.dsheirer.module.decode.p25.phase1.message.tdu.TDULinkControlMessage;
+import java.util.Collection;
+import java.util.function.Function;
+
+/**
+ * Filter for TDU terminator and TDULC terminator with link control messages
+ */
+public class TerminatorMessageFilter extends Filter<IMessage, LinkControlOpcode>
+{
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+
+    /**
+     * Constructs an instance
+     *
+     * @param name of this filter
+     */
+    public TerminatorMessageFilter(String name, Collection<LinkControlOpcode> opcodes)
+    {
+        super(name);
+
+        for(LinkControlOpcode opcode: opcodes)
+        {
+            add(new FilterElement<>(opcode));
+        }
+    }
+
+    @Override
+    public Function<IMessage, LinkControlOpcode> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor
+     */
+    private class KeyExtractor implements Function<IMessage,LinkControlOpcode>
+    {
+        @Override
+        public LinkControlOpcode apply(IMessage message)
+        {
+            if(message instanceof TDULinkControlMessage tdulc)
+            {
+                return tdulc.getLinkControlWord().getOpcode();
+            }
+
+            return null;
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/TerminatorMessageFilterSet.java

@@ -0,0 +1,63 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.p25.phase1.message.filter;
+
+import io.github.dsheirer.filter.FilterSet;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.lc.LinkControlOpcode;
+import io.github.dsheirer.module.decode.p25.phase1.message.tdu.TDULinkControlMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.tdu.TDUMessage;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Filter set for terminator/link control messages
+ */
+public class TerminatorMessageFilterSet extends FilterSet<IMessage>
+{
+    /**
+     * Constructor
+     */
+    public TerminatorMessageFilterSet()
+    {
+        super("Terminator Messages");
+        addFilter(new TDUMessageFilter());
+        addFilter(new TerminatorMessageFilter("Command/Status", LinkControlOpcode.COMMAND_STATUS_OPCODES));
+        addFilter(new TerminatorMessageFilter("Network/Channel", LinkControlOpcode.NETWORK_OPCODES));
+        addFilter(new TerminatorMessageFilter("Voice", LinkControlOpcode.VOICE_OPCODES));
+        addFilter(new TerminatorMessageFilter("Motorola", LinkControlOpcode.MOTOROLA_OPCODES));
+
+        List<LinkControlOpcode> others = new ArrayList<>();
+        for(LinkControlOpcode opcode: LinkControlOpcode.values())
+        {
+            if(!opcode.isGrouped())
+            {
+                others.add(opcode);
+            }
+        }
+        addFilter(new TerminatorMessageFilter("Other/Reserved", others));
+    }
+
+    @Override
+    public boolean canProcess(IMessage message)
+    {
+        return (message instanceof TDUMessage || message instanceof TDULinkControlMessage) && super.canProcess(message);
+    }
+}

src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/filter/TrunkingOpcodeMessageFilter.java

@@ -0,0 +1,91 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.p25.phase1.message.filter;
+
+import io.github.dsheirer.filter.Filter;
+import io.github.dsheirer.filter.FilterElement;
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.pdu.ambtc.AMBTCMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.pdu.umbtc.UMBTCMessage;
+import io.github.dsheirer.module.decode.p25.phase1.message.tsbk.Opcode;
+import io.github.dsheirer.module.decode.p25.phase1.message.tsbk.TSBKMessage;
+import java.util.Collection;
+import java.util.function.Function;
+
+/**
+ * Message filter for P25 TSBK, AMBTC and UMBTC trunking control messages.
+ */
+public class TrunkingOpcodeMessageFilter extends Filter<IMessage, Opcode>
+{
+    private KeyExtractor mKeyExtractor = new KeyExtractor();
+    private Collection<Opcode> mOpcodes;
+
+    /**
+     * Constructs an instance
+     *
+     * @param name of this filter
+     */
+    public TrunkingOpcodeMessageFilter(String name, Collection<Opcode> opcodes)
+    {
+        super(name);
+
+        mOpcodes = opcodes;
+
+        for(Opcode opcode: opcodes)
+        {
+            add(new FilterElement<>(opcode));
+        }
+    }
+
+    /**
+     * Key extractor
+     * @return opcode extractor
+     */
+    @Override
+    public Function<IMessage, Opcode> getKeyExtractor()
+    {
+        return mKeyExtractor;
+    }
+
+    /**
+     * Key extractor for Opcode values from TSBK, AMBTC and UMBTC messages.
+     */
+    private class KeyExtractor implements Function<IMessage,Opcode>
+    {
+        @Override
+        public Opcode apply(IMessage message)
+        {
+            if(message instanceof TSBKMessage tsbk)
+            {
+                return tsbk.getOpcode();
+            }
+            else if(message instanceof AMBTCMessage ambtc)
+            {
+                return ambtc.getHeader().getOpcode();
+            }
+            else if(message instanceof UMBTCMessage umbtc)
+            {
+                return umbtc.getOpcode();
+            }
+
+            return null;
+        }
+    }
+}