/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.transport.ws;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportAcceptListener;
import org.eclipse.jetty.websocket.WebSocket;
import org.eclipse.jetty.websocket.WebSocketServlet;
/**
* Handle connection upgrade requests and creates web sockets
*/
public class WSServlet extends WebSocketServlet {
private static final long serialVersionUID = -4716657876092884139L;
private TransportAcceptListener listener;
public void init() throws ServletException {
super.init();
listener = (TransportAcceptListener)getServletContext().getAttribute("acceptListener");
if (listener == null) {
throw new ServletException("No such attribute 'acceptListener' available in the ServletContext");
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException ,IOException {
getServletContext().getNamedDispatcher("default").forward(request,response);
}
@Override
public WebSocket doWebSocketConnect(HttpServletRequest request, String protocol) {
WebSocket socket;
if (protocol != null && protocol.startsWith("mqtt")) {
socket = new MQTTSocket();
} else {
socket = new StompSocket();
}
listener.onAccept((Transport)socket);
return socket;
}
}