/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed 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.primefaces.examples.push.chat;
import org.primefaces.push.EventBus;
import org.primefaces.push.RemoteEndpoint;
import org.primefaces.push.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Resource;
import javax.servlet.ServletContext;
@PushEndpoint("/{room}/{user}")
@Singleton
public class ChatResource {
private final Logger logger = LoggerFactory.getLogger(ChatResource.class);
@PathParam("room")
private String room;
@PathParam("user")
private String username;
@Resource
private ServletContext ctx;
@OnOpen
public void onOpen(RemoteEndpoint r, EventBus eventBus) {
logger.info("OnOpen {}", r);
eventBus.publish(room + "/*", new Message(String.format("%s has entered the room '%s'", username, room), true));
}
@OnClose
public void onClose(RemoteEndpoint r, EventBus eventBus) {
ChatUsers users= (ChatUsers) ctx.getAttribute("chatUsers");
users.remove(username);
eventBus.publish(room + "/*", new Message(String.format("%s has left the room", username), true));
}
@OnMessage(decoders = {MessageDecoder.class}, encoders = {MessageEncoder.class})
public Message onMessage(Message message) {
return message;
}
}