//
// ========================================================================
// Copyright (c) 1995-2014 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.common.events;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.nio.ByteBuffer;
import org.eclipse.jetty.websocket.api.WebSocketPolicy;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
import org.eclipse.jetty.websocket.api.extensions.Frame;
import org.eclipse.jetty.websocket.common.CloseInfo;
import org.eclipse.jetty.websocket.common.message.MessageAppender;
import org.eclipse.jetty.websocket.common.message.MessageInputStream;
import org.eclipse.jetty.websocket.common.message.MessageReader;
import org.eclipse.jetty.websocket.common.message.SimpleBinaryMessage;
import org.eclipse.jetty.websocket.common.message.SimpleTextMessage;
/**
* Handler for Annotated User WebSocket objects.
*/
public class JettyAnnotatedEventDriver extends AbstractEventDriver
{
private final JettyAnnotatedMetadata events;
private boolean hasCloseBeenCalled = false;
public JettyAnnotatedEventDriver(WebSocketPolicy policy, Object websocket, JettyAnnotatedMetadata events)
{
super(policy,websocket);
this.events = events;
WebSocket anno = websocket.getClass().getAnnotation(WebSocket.class);
// Setup the policy
if (anno.maxTextMessageSize() > 0)
{
this.policy.setMaxTextMessageSize(anno.maxTextMessageSize());
}
if (anno.maxBinaryMessageSize() > 0)
{
this.policy.setMaxBinaryMessageSize(anno.maxBinaryMessageSize());
}
if (anno.inputBufferSize() > 0)
{
this.policy.setInputBufferSize(anno.inputBufferSize());
}
if (anno.maxIdleTime() > 0)
{
this.policy.setIdleTimeout(anno.maxIdleTime());
}
}
@Override
public void onBinaryFrame(ByteBuffer buffer, boolean fin) throws IOException
{
if (events.onBinary == null)
{
// not interested in binary events
return;
}
if (activeMessage == null)
{
if (events.onBinary.isStreaming())
{
activeMessage = new MessageInputStream();
final MessageAppender msg = activeMessage;
dispatch(new Runnable()
{
@Override
public void run()
{
events.onBinary.call(websocket,session,msg);
}
});
}
else
{
activeMessage = new SimpleBinaryMessage(this);
}
}
appendMessage(buffer,fin);
}
@Override
public void onBinaryMessage(byte[] data)
{
if (events.onBinary != null)
{
events.onBinary.call(websocket,session,data,0,data.length);
}
}
@Override
public void onClose(CloseInfo close)
{
if (hasCloseBeenCalled)
{
// avoid duplicate close events (possible when using harsh Session.disconnect())
return;
}
hasCloseBeenCalled = true;
if (events.onClose != null)
{
events.onClose.call(websocket,session,close.getStatusCode(),close.getReason());
}
}
@Override
public void onConnect()
{
if (events.onConnect != null)
{
events.onConnect.call(websocket,session);
}
}
@Override
public void onError(Throwable cause)
{
if (events.onError != null)
{
events.onError.call(websocket,session,cause);
}
}
@Override
public void onFrame(Frame frame)
{
if (events.onFrame != null)
{
events.onFrame.call(websocket,session,frame);
}
}
@Override
public void onInputStream(InputStream stream)
{
if (events.onBinary != null)
{
events.onBinary.call(websocket,session,stream);
}
}
@Override
public void onReader(Reader reader)
{
if (events.onText != null)
{
events.onText.call(websocket,session,reader);
}
}
@Override
public void onTextFrame(ByteBuffer buffer, boolean fin) throws IOException
{
if (events.onText == null)
{
// not interested in text events
return;
}
if (activeMessage == null)
{
if (events.onText.isStreaming())
{
activeMessage = new MessageReader(new MessageInputStream());
final MessageAppender msg = activeMessage;
dispatch(new Runnable()
{
@Override
public void run()
{
events.onText.call(websocket,session,msg);
}
});
}
else
{
activeMessage = new SimpleTextMessage(this);
}
}
appendMessage(buffer,fin);
}
@Override
public void onTextMessage(String message)
{
if (events.onText != null)
{
events.onText.call(websocket,session,message);
}
}
@Override
public String toString()
{
return String.format("%s[%s]", this.getClass().getSimpleName(), websocket);
}
}