/*
* 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 com.asual.summer.sample.websocket;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import org.atmosphere.annotation.Suspend;
import org.atmosphere.cpr.Broadcaster;
import org.atmosphere.cpr.BroadcasterFactory;
import org.atmosphere.jersey.Broadcastable;
import org.atmosphere.jersey.JerseyBroadcaster;
//import org.atmosphere.cpr.Broadcaster;
//import org.atmosphere.jersey.JerseyBroadcaster;
//import org.atmosphere.jersey.SuspendResponse;
//
//import com.google.appengine.api.taskqueue.Queue;
//import com.google.appengine.api.taskqueue.QueueFactory;
//import com.google.appengine.api.taskqueue.TaskOptions;
import com.google.appengine.api.taskqueue.Queue;
import com.google.appengine.api.taskqueue.QueueFactory;
import com.google.appengine.api.taskqueue.TaskOptions;
import com.sun.jersey.spi.resource.Singleton;
/**
*
* @author Rostislav Hristov
*
*/
@Path("/clock")
@Singleton
public class Clock {
private Date date = new Date();
private Broadcaster topic = BroadcasterFactory.getDefault().get(JerseyBroadcaster.class, "clock");
private SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z (EEE, dd MMM yyyy)");
public Clock() {
queue();
}
@GET
@Suspend(resumeOnBroadcast = true)
public Broadcastable subscribe() {
return new Broadcastable(topic);
}
@POST
public void tick() {
date.setTime(System.currentTimeMillis());
topic.broadcast(dateFormat.format(date));
queue();
}
public void queue() {
Queue queue = QueueFactory.getDefaultQueue();
queue.add(
TaskOptions.Builder
.withUrl("/websocket/clock")
.method(TaskOptions.Method.POST)
.countdownMillis(1000));
}
}