/*
* Copyright (c) 1998-2011 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 com.caucho.bam.stream.MessageStream;
import com.caucho.remote.websocket.UnmaskedFrameInputStream;
import com.caucho.remote.websocket.WebSocketInputStream;
/**
* HmtpReader stream handles client packets received from the server.
*/
public class HmtpWebSocketReader {
private InputStream _is;
private WebSocketInputStream _wsIs;
private HmtpReader _hIn;
public HmtpWebSocketReader(InputStream is)
throws IOException
{
_hIn = new HmtpReader();
UnmaskedFrameInputStream fIs = new UnmaskedFrameInputStream();
fIs.init(is);
_wsIs = new WebSocketInputStream(fIs);
}
/**
* Reads the next HMTP packet from the stream, returning false on
* end of file.
*/
public boolean readPacket(MessageStream actorStream)
throws IOException
{
if (actorStream == null)
throw new IllegalStateException("HmtpReader.readPacket requires a valid ActorStream for callbacks");
if (_wsIs.startBinaryMessage()) {
boolean isPacket =_hIn.readPacket(_wsIs, actorStream);
_wsIs.close();
return isPacket;
}
return false;
}
/**
* @return
*/
public boolean isDataAvailable()
throws IOException
{
InputStream is = _is;
return is != null && is.available() > 0;
}
@Override
public String toString()
{
return getClass().getSimpleName() + "[" + _is + "]";
}
/**
*
*/
public void close()
{
// TODO Auto-generated method stub
}
}