P25 work in progress

src/decode/p25/message/tsbk/osp/control/MessageUpdate.java

@@ -0,0 +1,70 @@
+package decode.p25.message.tsbk.osp.control;
+
+import alias.AliasList;
+import bits.BitSetBuffer;
+import decode.p25.message.tsbk.TSBKMessage;
+import decode.p25.reference.DataUnitID;
+import decode.p25.reference.Opcode;
+
+public class MessageUpdate extends TSBKMessage
+{
+    public static final int[] SHORT_DATA_MESSAGE = { 80,81,82,83,84,85,86,87,88,89,90,91,
+        92,93,94,95 };
+    public static final int[] TARGET_ADDRESS = { 96,97,98,99,100,101,102,103,
+        104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119 };
+    public static final int[] SOURCE_ADDRESS = { 120,121,122,123,124,125,126,
+        127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143 };
+    
+    public MessageUpdate( BitSetBuffer message, 
+                                DataUnitID duid,
+                                AliasList aliasList ) 
+    {
+        super( message, duid, aliasList );
+    }
+
+    @Override
+    public String getEventType()
+    {
+        return Opcode.MESSAGE_UPDATE.getDescription();
+    }
+    
+    public String getMessage()
+    {
+        StringBuilder sb = new StringBuilder();
+        
+        sb.append( super.getMessage() );
+
+        sb.append( " MSG:" + getShortDataMessage() );
+        sb.append( " SRC ADDR: " + getSourceAddress() );
+        sb.append( " TGT ADDR: " + getTargetAddress() );
+        
+        return sb.toString();
+    }
+    
+    public String getShortDataMessage()
+    {
+        return mMessage.getHex( SHORT_DATA_MESSAGE, 4 );
+    }
+    
+    public String getSourceAddress()
+    {
+        return mMessage.getHex( SOURCE_ADDRESS, 6 );
+    }
+    
+    @Override
+    public String getFromID()
+    {
+        return getSourceAddress();
+    }
+    
+    public String getTargetAddress()
+    {
+        return mMessage.getHex( TARGET_ADDRESS, 6 );
+    }
+
+    @Override
+    public String getToID()
+    {
+        return getTargetAddress();
+    }
+}