/*
* 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.hmtp;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import com.caucho.bam.Actor;
import com.caucho.bam.ActorStream;
import com.caucho.bam.RemoteConnectionFailedException;
/**
* HMTP client protocol
*/
public class HmtpLink implements Runnable {
protected InputStream _is;
protected OutputStream _os;
private String _jid;
private ActorStream _actorStream;
private HmtpWriter _toLinkStream;
private HmtpReader _in;
public HmtpLink(Actor actor, InputStream is, OutputStream os)
{
_actorStream = actor.getActorStream();
_is = is;
_os = os;
_toLinkStream = new HmtpWriter(_os);
_in = new HmtpReader(_is);
if (actor.getJid() == null)
actor.setJid(actor.getClass().getSimpleName() + "@link");
actor.setLinkStream(_toLinkStream);
}
public String getJid()
{
return _jid;
}
public void setJid(String jid)
{
_jid = jid;
}
public ActorStream getLinkStream()
{
return _toLinkStream;
}
/**
* Returns the current stream to the actor, throwing an exception if
* it's unavailable
*/
public ActorStream getActorStream()
{
ActorStream stream = _actorStream;
if (stream != null)
return stream;
else
throw new RemoteConnectionFailedException("connection has been closed");
}
public boolean isClosed()
{
return _actorStream == null;
}
/**
* Receive messages from the client
*/
public void run()
{
try {
while (! isClosed() && _in.readPacket(_actorStream)) {
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public void close()
{
_actorStream = null;
}
}