Initial code check in continued

src/decode/ltrstandard/LTRStandardActivitySummary.java

@@ -0,0 +1,209 @@
+/*******************************************************************************
+ *     SDR Trunk 
+ *     Copyright (C) 2014 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 decode.ltrstandard;
+
+import java.text.DecimalFormat;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.TreeSet;
+
+import message.Message;
+import sample.Listener;
+import alias.Alias;
+import alias.AliasList;
+import controller.activity.ActivitySummaryProvider;
+
+public class LTRStandardActivitySummary implements ActivitySummaryProvider, 
+												   Listener<Message>
+{
+	private static final int sINT_NULL_VALUE = -1;
+	private DecimalFormat mDecimalFormatter = new DecimalFormat("0.00000");
+
+	private AliasList mAliasList;
+	private HashSet<String> mTalkgroupsFirstHeard = new HashSet<String>();
+	private TreeSet<String> mTalkgroups = new TreeSet<String>();
+	private TreeSet<Integer> mActiveLCNs = new TreeSet<Integer>();
+	private int mMonitoredLCN;
+
+	/**
+	 * Compiles a summary of active talkgroups, unique radio ids encountered
+	 * in the decoded messages.  Talkgroups have to be heard a minimum of twice
+	 * to be considered valid ... in order to weed out the invalid ones.
+	 * 
+	 * Returns a textual summary of the activity
+	 */
+	public LTRStandardActivitySummary( AliasList list )
+	{
+		mAliasList = list;
+	}
+	
+	@Override
+    public void receive( Message message )
+    {
+		if( message instanceof LTRStandardOSWMessage )
+		{
+			LTRStandardOSWMessage ltr = ((LTRStandardOSWMessage)message);
+			
+			if( ltr.isValid() )
+			{
+				switch( ltr.getMessageType() )
+				{
+					case CA_STRT:
+					case CA_ENDD:
+					    int home = ltr.getHomeRepeater();
+					    
+					    if( 0 < home && home <= 20 )
+					    {
+	                        String talkgroup = ltr.getTalkgroupID( false );
+	                        
+	                        if( mTalkgroupsFirstHeard.contains( talkgroup ) )
+	                        {
+	                            mTalkgroups.add( talkgroup );
+	                        }
+	                        else
+	                        {
+	                            mTalkgroupsFirstHeard.add( talkgroup );
+	                        }
+					    }
+
+					    int channel = ltr.getChannel();
+					    
+					    if( 0 < channel && channel <= 20 )
+					    {
+	                        if( channel == home )
+	                        {
+	                            mMonitoredLCN = channel;
+	                            mActiveLCNs.add( channel );
+	                        }
+	                        
+	                        int free = ltr.getFree();
+	                        
+	                        if( 0 < free && free <= 20 )
+	                        {
+	                            mActiveLCNs.add( free );
+	                        }
+					    }
+
+						break;
+					case SY_IDLE:
+					    int idleChannel = ltr.getChannel();
+					    
+					    if( idleChannel == ltr.getHomeRepeater() &&
+					        idleChannel == ltr.getFree() )
+					    {
+	                        mMonitoredLCN = idleChannel;
+	                        mActiveLCNs.add( idleChannel );
+					    }
+						break;
+					case UN_KNWN:
+					default:
+						break;
+				}
+			}
+		}
+    }
+
+	@Override
+    public String getSummary()
+    {
+		StringBuilder sb = new StringBuilder();
+
+		sb.append( "Activity Summary\n\n" );
+		
+		sb.append( "Decoder:\tLTR-Standard\n" );
+		
+		sb.append( "Monitored LCN: " );
+		
+		if( mMonitoredLCN > 0 )
+		{
+	        sb.append( mMonitoredLCN );
+		}
+		else
+		{
+		    sb.append( "unknown" );
+		}
+		
+		sb.append( "\n" );
+		
+		Integer[] lcns = mActiveLCNs.toArray( new Integer[0] );
+		
+		sb.append( "Active LCNs:\t" );
+		
+		if( lcns.length > 0 )
+		{
+	        sb.append(  Arrays.toString( lcns ) );
+		}
+		else
+		{
+		    sb.append( "none" );
+		}
+		sb.append( "\n\n" );
+
+		sb.append( "Talkgroups\n" );
+		
+		if( mTalkgroups.isEmpty() )
+		{
+			sb.append( "  None\n" );
+		}
+		else
+		{
+			Iterator<String> it = mTalkgroups.iterator();
+			
+			while( it.hasNext() )
+			{
+				String tgid = it.next();
+				
+				sb.append( "  " );
+				sb.append( formatTalkgroup( tgid ) );
+				sb.append( " " );
+				
+				Alias alias = mAliasList.getTalkgroupAlias( tgid );
+				
+				if( alias != null )
+				{
+					sb.append( alias.getName() );
+				}
+				
+				sb.append( "\n" );
+			}
+		}
+		
+	    return sb.toString();
+    }
+	
+	public static String formatTalkgroup( String talkgroup )
+	{
+		StringBuilder sb = new StringBuilder();
+		
+		if( talkgroup.length() == 6 )
+		{
+			sb.append( talkgroup.substring( 0, 1 ) );
+			sb.append( "-" );
+			sb.append( talkgroup.substring( 1, 3 ) );
+			sb.append( "-" );
+			sb.append( talkgroup.substring( 3, 6 ) );
+
+			return sb.toString();
+		}
+		else
+		{
+			return talkgroup;
+		}
+	}
+}