org.eclipse.jetty.websocket.FrameHandlerD1 Maven / Gradle / Ivy
// ========================================================================
// Copyright (c) 2010 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
package org.eclipse.jetty.websocket;
import org.eclipse.jetty.io.Buffer;
import org.eclipse.jetty.util.Utf8StringBuilder;
import org.eclipse.jetty.util.log.Log;
final class FrameHandlerD1 implements WebSocketParser.FrameHandler
{
public final static byte PING=1;
public final static byte PONG=1;
final WebSocketConnectionD00 _connection;
final WebSocket _websocket;
final Utf8StringBuilder _utf8 = new Utf8StringBuilder();
boolean _fragmented=false;
FrameHandlerD1(WebSocketConnectionD00 connection, WebSocket websocket)
{
_connection=connection;
_websocket=websocket;
}
public void onFrame(boolean more, byte flags, byte opcode, Buffer buffer)
{
try
{
byte[] array=buffer.array();
if (opcode==0)
{
if (more)
{
_utf8.append(buffer.array(),buffer.getIndex(),buffer.length());
_fragmented=true;
}
else if (_fragmented)
{
_utf8.append(buffer.array(),buffer.getIndex(),buffer.length());
_websocket.onMessage(opcode,_utf8.toString());
_utf8.reset();
_fragmented=false;
}
else
{
_websocket.onMessage(opcode,buffer.toString("utf-8"));
}
}
else if (opcode==PING)
{
_connection.sendMessage(PONG,buffer.array(),buffer.getIndex(),buffer.length());
}
else if (opcode==PONG)
{
}
else
{
if (more)
{
_websocket.onFragment(true,opcode,array,buffer.getIndex(),buffer.length());
}
else if (_fragmented)
{
_websocket.onFragment(false,opcode,array,buffer.getIndex(),buffer.length());
}
else
{
_websocket.onMessage(opcode,array,buffer.getIndex(),buffer.length());
}
}
}
catch(ThreadDeath th)
{
throw th;
}
catch(Throwable th)
{
Log.warn(th);
}
}
}