This project brings the Atmosphere Framework to the Play! Framework. It support ALL Atmosphere's modules like Runtime, Jersey and Socket.IO.
Fork the workspace and go under samples/chat or samples/jersey, or download the sample's binaries Chat Jersey
% unzip atmosphere-play-<name>-.zip
% chmod a+x ./start
% ./start
Download Atmosphere Play!, use Maven or sbt
For Play 2.2.x+:
<dependency>
<groupId>org.atmosphere</groupId>
<artifactId>atmosphere-play</artifactId>
<version>2.1.1</version>
</dependency>
For Play 2.1.x:
<dependency>
<groupId>org.atmosphere</groupId>
<artifactId>atmosphere-play</artifactId>
<version>1.0.0</version>
</dependency>
If you are interested, subscribe to our mailing list for more info! We are on irc.freenode.net under #atmosphere-comet
Server side using atmosphere-runtime
@ManagedService(path = "/chat")
public class Chat {
private final Logger logger = LoggerFactory.getLogger(Chat.class);
/**
* Invoked when the connection as been fully established and suspended, e.g ready for receiving messages.
*
* @param r
*/
@Ready
public void onReady(final AtmosphereResource r) {
logger.info("Browser {} connected.", r.uuid());
}
/**
* Invoked when the client disconnect or when an unexpected closing of the underlying connection happens.
*
* @param event
*/
@Disconnect
public void onDisconnect(AtmosphereResourceEvent event) {
if (event.isCancelled()) {
logger.info("Browser {} unexpectedly disconnected", event.getResource().uuid());
} else if (event.isClosedByClient()) {
logger.info("Browser {} closed the connection", event.getResource().uuid());
}
}
/**
* Simple annotated class that demonstrate how {@link org.atmosphere.config.managed.Encoder} and {@link org.atmosphere.config.managed.Decoder
* can be used.
*
* @param message an instance of {@link Message}
* @return
* @throws IOException
*/
@org.atmosphere.config.service.Message(encoders = {JacksonEncoder.class}, decoders = {JacksonDecoder.class})
public Message onMessage(Message message) throws IOException {
logger.info("{} just send {}", message.getAuthor(), message.getMessage());
return message;
}
Server side using atmosphere-jersey
@Path("/chat")
public class ChatResource {
/**
* Suspend the response without writing anything back to the client.
* @return a white space
*/
@Suspend(contentType = "application/json")
@GET
public String suspend() {
return "";
}
/**
* Broadcast the received message object to all suspended response. Do not write back the message to the calling connection.
* @param message a {@link Message}
* @return a {@link Response}
*/
@Broadcast(writeEntity = false)
@POST
@Produces("application/json")
public Response broadcast(Message message) {
return new Response(message.getAuthor(), message.getMessage());
}
}
and on the client side,
$(function () {
"use strict";
var header = $('#header');
var content = $('#content');
var input = $('#input');
var status = $('#status');
var myName = false;
var author = null;
var logged = false;
var socket = $.atmosphere;
var subSocket;
var transport = 'websocket';
// We are now ready to cut the request
var request = { url: document.location.toString() + 'chat',
contentType : "application/json",
logLevel : 'debug',
transport : transport ,
trackMessageLength : true,
fallbackTransport: 'websocket'};
request.onMessage = function (response) {
// do something
};
request.onClose = function(response) {
};
request.onError = function(response) {
};
subSocket = socket.subscribe(request);