P25 work in progress - final commit of TSBK message parsers

src/decode/p25/message/tsbk/ServiceMessage.java

@@ -0,0 +1,45 @@
+package decode.p25.message.tsbk;
+
+import alias.AliasList;
+import bits.BitSetBuffer;
+import decode.p25.reference.DataUnitID;
+
+public abstract class ServiceMessage extends TSBKMessage
+{
+    /* Service Options */
+    public static final int EMERGENCY_FLAG = 80;
+    public static final int ENCRYPTED_CHANNEL_FLAG = 81;
+    public static final int DUPLEX_MODE = 82;
+    public static final int SESSION_MODE = 83;
+    
+    public enum DuplexMode { HALF, FULL };
+    public enum SessionMode { PACKET, CIRCUIT };
+    
+    public ServiceMessage( BitSetBuffer message, 
+    					   DataUnitID duid,
+    					   AliasList aliasList ) 
+    {
+        super( message, duid, aliasList );
+    }
+
+    public boolean isEmergency()
+    {
+        return mMessage.get( EMERGENCY_FLAG );
+    }
+    
+    public boolean isEncryptedChannel()
+    {
+        return mMessage.get( ENCRYPTED_CHANNEL_FLAG );
+    }
+    
+    public DuplexMode getDuplexMode()
+    {
+        return mMessage.get( DUPLEX_MODE ) ? DuplexMode.FULL : DuplexMode.HALF;
+    }
+
+    public SessionMode getSessionMode()
+    {
+        return mMessage.get( SESSION_MODE ) ? 
+                SessionMode.CIRCUIT : SessionMode.PACKET;
+    }
+}