ProtectionParameterBroadcast.java

package module.decode.p25.message.ldu.lc;

import module.decode.p25.message.ldu.LDU1Message;
import module.decode.p25.reference.Encryption;
import module.decode.p25.reference.LinkControlOpcode;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ProtectionParameterBroadcast extends LDU1Message
{
	private final static Logger mLog = 
			LoggerFactory.getLogger( ProtectionParameterBroadcast.class );

	public static final int[] ALGORITHM_ID = { 536,537,538,539,540,541,546,547 };
	public static final int[] KEY_ID = { 548,549,550,551,556,557,558,559,560,
		561,566,567,568,569,570,571 };
	public static final int[] TARGET_ADDRESS = { 720,721,722,723,724,725,730,
		731,732,733,734,735,740,741,742,743,744,745,750,751,752,753,754,755 };
    
	public ProtectionParameterBroadcast( LDU1Message message )
	{
		super( message );
	}
	
    @Override
    public String getEventType()
    {
        return LinkControlOpcode.PROTECTION_PARAMETER_BROADCAST.getDescription();
    }

    public String getMessage()
    {
        StringBuilder sb = new StringBuilder();
        
        sb.append( getMessageStub() );

        sb.append( " ENCRYPTION:" + getEncryption().name() );
        sb.append( " KEY:" + getEncryptionKey() );
        sb.append( " ADDRESSS:" + getTargetAddress() );
        
        return sb.toString();
    }
    
    public Encryption getEncryption()
    {
    	return Encryption.fromValue( mMessage.getInt( ALGORITHM_ID ) );
    }
    
    public int getEncryptionKey()
    {
    	return mMessage.getInt( KEY_ID );
    }
    
    public String getTargetAddress()
    {
    	return mMessage.getHex( TARGET_ADDRESS, 6 );
    }
}