#30 WIP extracted the IcecastMetadataUpdater and merged some of the icecast configuration method into a new superclass.

src/audio/broadcast/icecast/IcecastConfiguration.java

@@ -0,0 +1,292 @@
+/*******************************************************************************
+ * sdrtrunk
+ * Copyright (C) 2014-2016 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 audio.broadcast.icecast;
+
+import audio.broadcast.BroadcastConfiguration;
+import audio.broadcast.BroadcastFormat;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlTransient;
+import java.util.Base64;
+
+public abstract class IcecastConfiguration extends BroadcastConfiguration
+{
+    protected String mUserName = "source";
+    private String mMountPoint = "/stream";
+    private String mDescription;
+    private String mGenre;
+    private boolean mPublic;
+    private int mBitRate = 16;
+    private int mChannels = 1;
+    private int mSampleRate = 8000;
+    private String mURL;
+
+    public IcecastConfiguration(BroadcastFormat format)
+    {
+        super(format);
+    }
+
+    public IcecastConfiguration()
+    {
+    }
+
+    /**
+     * Base64 encoded version of the username and password with prepended 'Basic ' tag.
+     */
+    @XmlTransient
+    public String getBase64EncodedCredentials()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(hasUserName())
+        {
+            sb.append(getUserName()).append(":").append(getPassword());
+        }
+        else
+        {
+            sb.append(getPassword());
+        }
+
+        String base64 = Base64.getEncoder().encodeToString(sb.toString().getBytes());
+
+        return "Basic " + base64;
+    }
+
+    @XmlAttribute( name="user_name" )
+    public String getUserName()
+    {
+        return mUserName;
+    }
+
+    public void setUserName(String userName)
+    {
+        mUserName = userName;
+    }
+
+    public boolean hasUserName()
+    {
+        return mUserName != null;
+    }
+
+    /**
+     * Mount point or path to the stream
+     * @return mount point
+     */
+    @XmlAttribute( name="mount_point" )
+    public String getMountPoint()
+    {
+        return mMountPoint;
+    }
+
+    /**
+     * Sets the mount point (path) for the stream
+     * @param mountPoint
+     */
+    public void setMountPoint(String mountPoint)
+    {
+        if(mountPoint != null && !mountPoint.isEmpty())
+        {
+            if(mountPoint.startsWith("/"))
+            {
+                mMountPoint = mountPoint;
+            }
+            else
+            {
+                mMountPoint = "/" + mountPoint;
+            }
+        }
+    }
+
+    public boolean hasMountPoint()
+    {
+        return mMountPoint != null;
+    }
+
+    @XmlAttribute( name="description" )
+    public String getDescription()
+    {
+        return mDescription;
+    }
+
+    public void setDescription(String description)
+    {
+        mDescription = description;
+    }
+
+    public boolean hasDescription()
+    {
+        return mDescription != null;
+    }
+
+    /**
+     * Stream genre
+     */
+    @XmlAttribute( name="genre" )
+    public String getGenre()
+    {
+        return mGenre;
+    }
+
+    /**
+     * Stream genre
+     * @param genre
+     */
+    public void setGenre(String genre)
+    {
+        mGenre = genre;
+    }
+
+    public boolean hasGenre()
+    {
+        return mGenre != null;
+    }
+
+    /**
+     * Public visibility of the broadcastAudio
+     */
+    @XmlAttribute( name="public" )
+    public boolean isPublic()
+    {
+        return mPublic;
+    }
+
+    /**
+     * Sets public visibility of the broadcastAudio
+     * @param isPublic indicates if the broadcastAudio should be visible to the public
+     */
+    public void setPublic(boolean isPublic)
+    {
+        mPublic = isPublic;
+    }
+
+    /**
+     * Number of audio channels in the broadcastAudio
+     */
+    @XmlAttribute( name="channels" )
+    public int getChannels()
+    {
+        return mChannels;
+    }
+
+    /**
+     * Sets the number of audio channels in the broadcastAudio
+     */
+    public void setChannels(int channels)
+    {
+        mChannels = channels;
+    }
+
+    public boolean hasChannels()
+    {
+        return mChannels > 0;
+    }
+
+    /**
+     * Bit rate in bits per second
+     */
+    @XmlAttribute( name="bitrate" )
+    public int getBitRate()
+    {
+        return mBitRate;
+    }
+
+    /**
+     * Bit rate
+     * @param bitRate in samples per second
+     */
+    public void setBitRate(int bitRate)
+    {
+        mBitRate = bitRate;
+    }
+
+    public boolean hasBitRate()
+    {
+        return mBitRate > 0;
+    }
+
+    @XmlAttribute( name="sample_rate" )
+    public int getSampleRate()
+    {
+        return mSampleRate;
+    }
+
+    public void setSampleRate(int sampleRate)
+    {
+        mSampleRate = sampleRate;
+    }
+
+    public boolean hasSampleRate()
+    {
+        return mSampleRate > 0;
+    }
+
+    /**
+     * URL associated with the broadcastAudio where users can find additional details.
+     */
+    @XmlAttribute( name="url" )
+    public String getURL()
+    {
+        return mURL;
+    }
+
+    /**
+     * URL associated with the broadcastAudio where users can find additional details.
+     * @param url
+     */
+    public void setURL(String url)
+    {
+        mURL = url;
+    }
+
+    public boolean hasURL()
+    {
+        return mURL != null;
+    }
+
+    @Override
+    public boolean isValid()
+    {
+        if(!super.isValid())
+        {
+            return false;
+        }
+        else if(getUserName() == null)
+        {
+            return false;
+        }
+        else if(getMountPoint() == null)
+        {
+            return false;
+        }
+        else if(getChannels() != 1)
+        {
+            return false;
+        }
+        else if(getSampleRate() <= 0)
+        {
+            return false;
+        }
+        else if(getBitRate() <= 0)
+        {
+            return false;
+        }
+
+        return true;
+    }
+}