/*
* Created on Feb 28, 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.plugins.messaging.bittorrent;
import java.nio.ByteBuffer;
import org.gudy.azureus2.core3.util.DirectByteBuffer;
import org.gudy.azureus2.plugins.messaging.*;
import org.gudy.azureus2.pluginsimpl.local.messaging.MessageAdapter;
import com.aelitis.azureus.core.peermanager.messaging.bittorrent.BTCancel;
import com.aelitis.azureus.core.peermanager.messaging.bittorrent.BTMessage;
import com.aelitis.azureus.core.peermanager.messaging.bittorrent.BTPiece;
import com.aelitis.azureus.core.peermanager.messaging.bittorrent.BTRequest;
/**
*
*/
public class BTMessageManager {
public static final String ID_BTMESSAGE_REQUEST = BTMessage.ID_BT_REQUEST;
public static final String ID_BTMESSAGE_CANCEL = BTMessage.ID_BT_CANCEL;
public static final String ID_BTMESSAGE_PIECE = BTMessage.ID_BT_PIECE;
public static final String ID_BTMESSAGE_UNCHOKE = BTMessage.ID_BT_UNCHOKE;
/**
* Translate the given core-made BT Request message into a specific plugin message adaptation.
* @param core_made_message to translate
* @return adapted plugin message
*/
public static BTMessageRequest createCoreBTRequestAdaptation( Message core_made_message ) {
//the message was originally created by core and wrapped
com.aelitis.azureus.core.peermanager.messaging.Message core_msg = ((MessageAdapter)core_made_message).getCoreMessage();
if( core_msg.getID().equals( BTMessage.ID_BT_REQUEST ) ) {
return new BTMessageRequest( core_msg );
}
return null;
}
/**
* Translate the given core-made BT Cancel message into a specific plugin message adaptation.
* @param core_made_message to translate
* @return adapted plugin message
*/
public static BTMessageCancel createCoreBTCancelAdaptation( Message core_made_message ) {
//the message was originally created by core and wrapped
com.aelitis.azureus.core.peermanager.messaging.Message core_msg = ((MessageAdapter)core_made_message).getCoreMessage();
if( core_msg.getID().equals( BTMessage.ID_BT_CANCEL ) ) {
return new BTMessageCancel( core_msg );
}
return null;
}
/**
* Translate the given core-made BT Piece message into a specific plugin message adaptation.
* @param core_made_message to translate
* @return adapted plugin message
*/
public static BTMessagePiece createCoreBTPieceAdaptation( Message core_made_message ) {
//the message was originally created by core and wrapped
com.aelitis.azureus.core.peermanager.messaging.Message core_msg = ((MessageAdapter)core_made_message).getCoreMessage();
if( core_msg.getID().equals( BTMessage.ID_BT_PIECE ) ) {
return new BTMessagePiece( core_msg );
}
return null;
}
public static MessageAdapter
wrapCoreMessage(
BTMessage core_msg )
{
String id = core_msg.getID();
if ( id.equals( BTMessage.ID_BT_REQUEST )){
return new BTMessageRequest( core_msg );
}else if ( id.equals( BTMessage.ID_BT_CANCEL )){
return new BTMessageCancel( core_msg );
}else if ( id.equals( BTMessage.ID_BT_PIECE )){
return new BTMessagePiece( core_msg );
}else{
return( new MessageAdapter( core_msg ));
}
}
/**
* Create a core BT Request message instance.
* @param piece_number
* @param piece_offset
* @param length
* @return core message wrapped in an adapter
*/
public static Message createCoreBTRequest( int piece_number, int piece_offset, int length ) {
return new MessageAdapter( new BTRequest( piece_number, piece_offset, length, (byte)1 ) );
}
/**
* Create a core BT Cancel message instance.
* @param piece_number
* @param piece_offset
* @param length
* @return core message wrapped in an adapter
*/
public static Message createCoreBTCancel( int piece_number, int piece_offset, int length ) {
return new MessageAdapter( new BTCancel( piece_number, piece_offset, length, (byte)1 ) );
}
/**
* Create a core BT Piece message instance.
* @param piece_number
* @param piece_offset
* @param data
* @return core message wrapped in an adapter
*/
public static Message createCoreBTPiece( int piece_number, int piece_offset, ByteBuffer data ) {
return new MessageAdapter( new BTPiece( piece_number, piece_offset, new DirectByteBuffer( data ), (byte)1 ) );
}
}