/*
* Created on Feb 10, 2005
* Created by Alon Rohter
* Copyright (C) 2004-2005 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.pluginsimpl.local.messaging;
import java.nio.ByteBuffer;
import org.gudy.azureus2.core3.util.DirectByteBuffer;
import org.gudy.azureus2.plugins.messaging.*;
/**
*
*/
public class MessageAdapter implements Message, com.aelitis.azureus.core.peermanager.messaging.Message {
private Message plug_msg = null;
private com.aelitis.azureus.core.peermanager.messaging.Message core_msg = null;
public MessageAdapter( Message plug_msg ) {
this.plug_msg = plug_msg;
}
public MessageAdapter( com.aelitis.azureus.core.peermanager.messaging.Message core_msg ) {
this.core_msg = core_msg;
}
public Message getPluginMessage() { return plug_msg; }
public com.aelitis.azureus.core.peermanager.messaging.Message getCoreMessage() { return core_msg; }
//plugin Message implementation
public ByteBuffer[] getPayload() {
if( core_msg == null ) {
return plug_msg.getPayload();
}
DirectByteBuffer[] dbbs = core_msg.getData();
ByteBuffer[] bbs = new ByteBuffer[ dbbs.length ]; //TODO cache it???
for( int i=0; i < dbbs.length; i++ ) {
bbs[i] = dbbs[i].getBuffer( DirectByteBuffer.SS_MSG );
}
return bbs;
}
public Message create( ByteBuffer data ) throws MessageException {
if( core_msg == null ) {
return plug_msg.create( data );
}
try{
return new MessageAdapter( core_msg.deserialize( new DirectByteBuffer( data ), (byte)1 ) );
}
catch( com.aelitis.azureus.core.peermanager.messaging.MessageException e ) {
throw new MessageException( e.getMessage() );
}
}
//shared Message implementation
public String getID() {
return core_msg == null ? plug_msg.getID() : core_msg.getID();
}
public byte[] getIDBytes() {
return core_msg == null ? plug_msg.getID().getBytes() : core_msg.getIDBytes();
}
public int getType() {
return core_msg == null ? plug_msg.getType() : core_msg.getType();
}
public byte getVersion() {
return core_msg == null ? (byte)1 : core_msg.getVersion();
}
public String getDescription() {
return core_msg == null ? plug_msg.getDescription() : core_msg.getDescription();
}
public void destroy() {
if( core_msg == null ) plug_msg.destroy();
else core_msg.destroy();
}
//core Message implementation
public String getFeatureID() { return "AZPLUGMSG"; }
public int getFeatureSubID() { return -1; }
public DirectByteBuffer[] getData() {
if( plug_msg == null ) {
return core_msg.getData();
}
ByteBuffer[] bbs = plug_msg.getPayload();
DirectByteBuffer[] dbbs = new DirectByteBuffer[ bbs.length ]; //TODO cache it???
for( int i=0; i < bbs.length; i++ ) {
dbbs[i] = new DirectByteBuffer( bbs[i] );
}
return dbbs;
}
public com.aelitis.azureus.core.peermanager.messaging.Message deserialize( DirectByteBuffer data, byte version ) throws com.aelitis.azureus.core.peermanager.messaging.MessageException {
if( plug_msg == null ) {
return core_msg.deserialize( data, version );
}
try{
Message message = plug_msg.create( data.getBuffer( DirectByteBuffer.SS_MSG ) );
if ( message == null ){
throw( new com.aelitis.azureus.core.peermanager.messaging.MessageException( "Plugin message deserialisation failed" ));
}
return new MessageAdapter( message );
}
catch( MessageException e ) {
throw new com.aelitis.azureus.core.peermanager.messaging.MessageException( e.getMessage() );
}
finally {
data.returnToPool();
}
}
}