/**
* 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.wicket.protocol.ws.jee;
import javax.websocket.DeploymentException;
import javax.websocket.server.ServerContainer;
import javax.websocket.server.ServerEndpointConfig;
import org.apache.wicket.Application;
import org.apache.wicket.IInitializer;
import org.apache.wicket.protocol.http.WebApplication;
public class Initializer implements IInitializer{
/**
* This method performs the following configuration steps:
*
* 1)add a webscoket endpoint mounting it to path WebsocketBehavior.WEBSOCKET_CREATOR_URL.
* This endpoint is used by WebsocketBehavior to open its own websocket.
* 2)put a WebsocketBehaviorsManager into application metadata. This class is used to pass a WebsocketBehavior
* to the corresponding websocket listener.
* 3)add the current application as user property for the endpoint.
*
* @see org.apache.wicket.Application#init()
* @see WebsocketBehavior
* @see WebsocketBehaviorEndpoint
*/
@Override
public void init(Application application){
WebApplication webApp = (WebApplication)application;
ServerContainer serverContainer = (ServerContainer) webApp.getServletContext()
.getAttribute("javax.websocket.server.ServerContainer");
ServerEndpointConfig configs = ServerEndpointConfig.Builder.create(WebsocketBehaviorEndpoint.class,
"/" + WebsocketBehavior.WEBSOCKET_CREATOR_URL).build();
//add the current application as user property for the endpoint
configs.getUserProperties().put("currentApplication", application);
//define the WebsocketBehaviorsManager that will be used to pass the WebsocketBehaviorS to the endpoint
application.setMetaData(WebsocketBehavior.WEBSOCKET_BEHAVIOR_MAP_KEY, new WebsocketBehaviorsManager());
try {
serverContainer.addEndpoint(configs);
} catch (DeploymentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public void destroy(Application application) {
}
}