/* * 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; } /** * 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 ) ); } }