org.nettosphere.samples.chat.SocketIOChatAtmosphereHandler Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of nettosphere-socketio-chat Show documentation
There is a newer version: 2.4.20
Show newest version
/*
 * Copyright 2014 Sebastien Dionne
 *
 * 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.nettosphere.samples.chat;

import org.atmosphere.config.service.AtmosphereHandlerService;
import org.atmosphere.cpr.AtmosphereHandler;
import org.atmosphere.cpr.AtmosphereResource;
import org.atmosphere.cpr.AtmosphereResourceEvent;
import org.atmosphere.cpr.AtmosphereResponse;
import org.atmosphere.interceptor.AtmosphereResourceLifecycleInterceptor;
import org.atmosphere.interceptor.BroadcastOnPostAtmosphereInterceptor;

import java.io.IOException;
import java.util.Date;

/**
 * Simple SocketIO Implementation of the Atmosphere Chat
 *
 * @author Sebastien Dionne : [email protected]
 */
@AtmosphereHandlerService(path = "/chat", interceptors= {AtmosphereResourceLifecycleInterceptor.class
/*, BroadcastOnPostAtmosphereInterceptor.class*/})
public class SocketIOChatAtmosphereHandler implements AtmosphereHandler {

    @Override
    public void onRequest(AtmosphereResource r) throws IOException {
        r.getBroadcaster().broadcast(r.getRequest().getReader().readLine());
    }

    @Override
    public void onStateChange(AtmosphereResourceEvent event) throws IOException {
        AtmosphereResource r = event.getResource();
        AtmosphereResponse res = r.getResponse();

        if (event.isSuspended() && event.getMessage() != null) {
            String body = event.getMessage().toString();

            // Simple JSON -- Use Jackson for more complex structure
            // Message looks like { "author" : "foo", "message" : "bar" }
            String author = body.substring(body.indexOf(":") + 2, body.indexOf(",") - 1);
            String message = body.substring(body.lastIndexOf(":") + 2, body.length() - 2);

            res.getWriter().write(new Data(author, message).toString());
        }
    }

    @Override
    public void destroy() {
    }

    private final static class Data {

        private final String text;
        private final String author;

        public Data(String author, String text) {
            this.author = author;
            this.text = text;
        }

        public String toString() {
            return "{ \"text\" : \"" + text + "\", \"author\" : \"" + author + "\" , \"time\" : " + new Date().getTime() + "}";
        }
    }
}