IQ recording file playback partial checkin.

NOTE: only the gui components and settings handling have been implemented.  Actual recording playback is not yet implemented.

Partial checkin of initial P25 decoder development.  

NOTE: P25 decoder is not yet functional.

src/source/recording/RecordingConfiguration.java

@@ -0,0 +1,87 @@
+package source.recording;
+
+import java.io.File;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlTransient;
+
+public class RecordingConfiguration
+{
+	private File mRecording;
+	private String mFilePath;
+	private String mAlias;
+	private long mCenterFrequency;
+	
+	public RecordingConfiguration()
+	{
+		mAlias = "New Recording";
+	}
+	
+	public RecordingConfiguration( String filePath, 
+								   String alias,
+								   long centerFrequency )
+	{
+		mFilePath = filePath;
+		mAlias = alias;
+		mCenterFrequency = centerFrequency;
+
+		updateFile();
+	}
+	
+	private void updateFile()
+	{
+		if( mFilePath != null )
+		{
+			try
+			{
+				mRecording = new File( mFilePath );
+			}
+			catch( Exception e )
+			{
+				throw new IllegalArgumentException( "There was an error while "
+					+ "accessing the recording source [" + mFilePath + "]", e );
+			}
+		}
+	}
+
+	@XmlTransient
+	public File getRecording()
+	{
+		return mRecording;
+	}
+
+	@XmlAttribute( name = "file_path" )
+	public String getFilePath()
+	{
+		return mFilePath;
+	}
+	
+	public void setFilePath( String filePath )
+	{
+		mFilePath = filePath;
+
+		updateFile();
+	}
+	
+	@XmlAttribute( name = "alias" )
+	public String getAlias()
+	{
+		return mAlias;
+	}
+	
+	public void setAlias( String alias )
+	{
+		mAlias = alias;
+	}
+
+	@XmlAttribute( name = "center_frequency" )
+	public long getCenterFrequency()
+	{
+		return mCenterFrequency;
+	}
+	
+	public void setCenterFrequency( long frequency )
+	{
+		mCenterFrequency = frequency;
+	}
+}