/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jmtp;
import com.caucho.bam.Actor;
import com.caucho.bam.ActorStream;
import com.caucho.bam.ActorError;
import com.caucho.bam.ActorException;
import com.caucho.config.ConfigException;
import com.caucho.json.*;
import com.caucho.servlet.*;
import com.caucho.util.*;
import java.io.*;
import java.net.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.logging.*;
import javax.servlet.*;
/**
* JmtpReader stream handles client packets received from the server.
*/
public class JmtpServlet extends GenericServlet {
private static final L10N L = new L10N(JmtpServlet.class);
private static final Logger log
= Logger.getLogger(JmtpServlet.class.getName());
private Class _actorClass;
public void setActorClass(Class actorClass)
{
_actorClass = actorClass;
}
public void init()
{
if (_actorClass == null)
throw new ConfigException(L.l("JmtpServlet requires an actor"));
}
public void service(ServletRequest request,
ServletResponse response)
throws IOException, ServletException
{
WebSocketServletRequest wsRequest = (WebSocketServletRequest) request;
Actor actor;
try {
actor = (Actor) _actorClass.newInstance();
} catch (Exception e) {
throw new ServletException(e);
}
Listener listener = new Listener(actor);
wsRequest.startWebSocket(listener);
}
static class Listener implements WebSocketListener {
private Actor _actor;
private ActorStream _actorStream;
private InputStream _is;
private OutputStream _os;
private JmtpReader _jmtpReader;
private JmtpWriter _jmtpWriter;
Listener(Actor actor)
{
_actor = actor;
}
public void onStart(WebSocketContext context)
throws IOException
{
_is = context.getInputStream();
_os = context.getOutputStream();
_jmtpReader = new JmtpReader(_is);
_jmtpWriter = new JmtpWriter(_os);
_actor.setLinkStream(_jmtpWriter);
_actorStream = _actor.getActorStream();
}
public void onRead(WebSocketContext context)
throws IOException
{
_jmtpReader.readPacket(_actorStream);
}
public void onComplete(WebSocketContext context)
throws IOException
{
}
public void onTimeout(WebSocketContext context)
throws IOException
{
}
}
}