P25 Decoder work in progress

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

@@ -0,0 +1,112 @@
+package decode.p25.message.tsbk;
+
+import alias.Alias;
+import alias.AliasList;
+import bits.BitSetBuffer;
+import decode.p25.reference.DataUnitID;
+
+public abstract class GroupMultiChannelGrant extends ChannelGrant
+{
+    public static final int[] CHANNEL_ID_1 = { 80,81,82,83 };
+    public static final int[] CHANNEL_NUMBER_1 = { 84,85,86,87,
+        88,89,90,91,92,93,94,95 };
+    public static final int[] GROUP_ADDRESS_1 = { 96,97,98,99,100,101,102,103 };
+    
+    public static final int[] CHANNEL_ID_2 = { 104,105,106,107 };
+    public static final int[] CHANNEL_NUMBER_2 = { 108,109,110,111,
+        112,113,114,115,116,117,118,119 };
+    public static final int[] GROUP_ADDRESS_2 = { 120,121,122,123,124,125,126,
+        127,128,129,130,131,132,133,134,135 };
+
+    public GroupMultiChannelGrant( BitSetBuffer message, 
+                              DataUnitID duid,
+                              AliasList aliasList ) 
+    {
+        super( message, duid, aliasList );
+    }
+
+    public String getMessage()
+    {
+        StringBuilder sb = new StringBuilder();
+        
+        sb.append( super.getMessage() );
+        
+        sb.append( " CHAN1:" );
+        sb.append( getChannelID1() + "/" + getChannelNumber1() );
+        
+        sb.append( " GRP1:" );
+        sb.append( getGroupAddress1() );
+        
+        sb.append( " CHAN2:" );
+        sb.append( getChannelID2() + "/" + getChannelNumber2() );
+        
+        sb.append( " GRP2:" );
+        sb.append( getGroupAddress2() );
+        
+        return sb.toString();
+    }
+    
+    public int getChannelID1()
+    {
+        return mMessage.getInt( CHANNEL_ID_1 );
+    }
+    
+    public int getChannelNumber1()
+    {
+        return mMessage.getInt( CHANNEL_NUMBER_1 );
+    }
+    
+    public String getGroupAddress1()
+    {
+        return mMessage.getHex( GROUP_ADDRESS_1, 4 );
+    }
+    
+    public int getChannelID2()
+    {
+        return mMessage.getInt( CHANNEL_ID_2 );
+    }
+    
+    public int getChannelNumber2()
+    {
+        return mMessage.getInt( CHANNEL_NUMBER_2 );
+    }
+    
+    public String getGroupAddress2()
+    {
+        return mMessage.getHex( GROUP_ADDRESS_2, 4 );
+    }
+    
+    @Override
+    public String getFromID()
+    {
+        return getGroupAddress1();
+    }
+
+    @Override
+    public Alias getFromIDAlias()
+    {
+        if( mAliasList != null )
+        {
+            return mAliasList.getTalkgroupAlias( getFromID() );
+        }
+        
+        return null;
+    }
+
+    @Override
+    public String getToID()
+    {
+        return getGroupAddress2();
+    }
+
+    @Override
+    public Alias getToIDAlias()
+    {
+        if( mAliasList != null )
+        {
+            return mAliasList.getTalkgroupAlias( getToID() );
+        }
+        
+        return null;
+    }
+}