rpshortcuts.java

这是一个基于java编写的torrent的P2P源码

/*
 * Created on 10-May-2004
 * Created by Paul Gardner
 * Copyright (C) 2004, 2005, 2006 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.remote.utils;

/**
 * @author parg
 *
 */

import org.gudy.azureus2.plugins.utils.*;
import org.gudy.azureus2.plugins.download.*;

import org.gudy.azureus2.pluginsimpl.remote.*;
import org.gudy.azureus2.pluginsimpl.remote.download.*;

public class 
RPShortCuts
	extends		RPObject
	implements 	ShortCuts
{
	protected transient ShortCuts		delegate;

		// don't change these field names as they are visible on XML serialisation
	
	public static RPShortCuts
	create(
		ShortCuts		_delegate )
	{
		RPShortCuts	res =(RPShortCuts)_lookupLocal( _delegate );
		
		if ( res == null ){
			
			res = new RPShortCuts( _delegate );
		}
			
		return( res );
	}
	
	protected
	RPShortCuts(
		ShortCuts		_delegate )
	{
		super( _delegate );
	}
	
	protected void
	_setDelegate(
		Object		_delegate )
	{
		delegate = (ShortCuts)_delegate;
	}
	
	public Object
	_setLocal()
	
		throws RPException
	{
		Object res = _fixupLocal();
		
		return( res );
	}
	
	public void
	_setRemote(
		RPRequestDispatcher		_dispatcher )
	{
		super._setRemote( _dispatcher );
	}
	
	public RPReply
	_process(
		RPRequest	request	)
	{
		String		method 	= request.getMethod();
		Object[]	params	= request.getParams();
		
		if ( method.equals( "getDownload[byte[]]")){
			
			try{
				return( new RPReply( RPDownload.create( delegate.getDownload((byte[])params[0]))));
				
			}catch( DownloadException e ){
				
				return( new RPReply(e));
			}
		}else if ( method.equals( "getDownloadStats[byte[]]")){
				
				try{
					return( new RPReply( RPDownloadStats.create( delegate.getDownloadStats((byte[])params[0]))));
					
				}catch( DownloadException e ){
					
					return( new RPReply(e));
				}
		}else if ( method.equals( "restartDownload[byte[]]")){
			
			try{
				delegate.restartDownload((byte[])params[0]);
				
			}catch( DownloadException e ){
				
				return( new RPReply(e));
			}
			
			return( null );
			
		}else if ( method.equals( "stopDownload[byte[]]")){
			
			try{
				delegate.stopDownload((byte[])params[0]);
				
			}catch( DownloadException e ){
				
				return( new RPReply(e));
			}
			
			return( null );
			
		}else if ( method.equals( "removeDownload[byte[]]")){
			
			try{
				delegate.removeDownload((byte[])params[0]);
				
			}catch( Throwable e ){
				
				return( new RPReply(e));
			}
			
			return( null );	
		}
		
		throw( new RPException( "Unknown method: " + method ));
	}
	
		// ***************************************************
	
	public Download
	getDownload(
		byte[]		hash )
	
		throws DownloadException
	{
		try{
			RPDownload	res = (RPDownload)_dispatcher.dispatch( new RPRequest( this, "getDownload[byte[]]", new Object[]{hash})).getResponse();
			
			res._setRemote( _dispatcher );
			
			return( res );
			
		}catch( RPException e ){
			
			if ( e.getCause() instanceof DownloadException ){
				
				throw((DownloadException)e.getCause());
			}
			
			throw( e );
		}	
	}
	
	public DownloadStats
	getDownloadStats(
		byte[]		hash )
	
		throws DownloadException
	{
		try{
			RPDownloadStats	res = (RPDownloadStats)_dispatcher.dispatch( new RPRequest( this, "getDownloadStats[byte[]]", new Object[]{hash})).getResponse();
			
			res._setRemote( _dispatcher );
			
			return( res );
			
		}catch( RPException e ){
			
			if ( e.getCause() instanceof DownloadException ){
				
				throw((DownloadException)e.getCause());
			}
			
			throw( e );
		}	
	}
	
	public void
	restartDownload(
		byte[]		hash )
	
		throws DownloadException
	{
		try{
			_dispatcher.dispatch( new RPRequest( this, "restartDownload[byte[]]", new Object[]{hash})).getResponse();
						
		}catch( RPException e ){
			
			if ( e.getCause() instanceof DownloadException ){
				
				throw((DownloadException)e.getCause());
			}
			
			throw( e );
		}	
	}
	
	public void
	stopDownload(
		byte[]		hash )
	
		throws DownloadException
	{
		try{
			_dispatcher.dispatch( new RPRequest( this, "stopDownload[byte[]]", new Object[]{hash})).getResponse();
						
		}catch( RPException e ){
			
			if ( e.getCause() instanceof DownloadException ){
				
				throw((DownloadException)e.getCause());
			}
			
			throw( e );
		}	
	}
	
	public void
	removeDownload(
		byte[]		hash )
	
		throws DownloadException
	{
		try{
			_dispatcher.dispatch( new RPRequest( this, "removeDownload[byte[]]", new Object[]{hash})).getResponse();
						
		}catch( RPException e ){
			
			if ( e.getCause() instanceof DownloadException ){
				
				throw((DownloadException)e.getCause());
			}
			
			throw( e );
		}	
	}
}