org.atmosphere.samples.chat
Class ChatAtmosphereHandler

java.lang.Object
  org.atmosphere.samples.chat.ChatAtmosphereHandler

All Implemented Interfaces:

AtmosphereHandler<HttpServletRequest,HttpServletResponse>

public class ChatAtmosphereHandler
extends Object
implements AtmosphereHandler<HttpServletRequest,HttpServletResponse>

Simple AtmosphereHandler that implement the logic to build a Chat application.

Author:

Jeanfrancois Arcand

Constructor Summary

ChatAtmosphereHandler()

Method Summary

void	onRequest(AtmosphereResource<HttpServletRequest,HttpServletResponse> event) When the AtmosphereServlet detect an HttpServletRequest maps to this AtmosphereHandler, the AtmosphereHandler.onRequest(org.atmosphere.cpr.AtmosphereResource) gets invoked and the response will be suspended depending on the http method, e.g.
void	onStateChange(AtmosphereResourceEvent<HttpServletRequest,HttpServletResponse> event) Invoked when a call to Broadcaster.broadcast(java.lang.Object) is issued or when the response times out, e.g whne the value AtmosphereEvent#suspend(long) expires.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChatAtmosphereHandler

public ChatAtmosphereHandler()

Method Detail

onRequest

public void onRequest(AtmosphereResource<HttpServletRequest,HttpServletResponse> event)
               throws IOException

When the AtmosphereServlet detect an HttpServletRequest maps to this AtmosphereHandler, the AtmosphereHandler.onRequest(org.atmosphere.cpr.AtmosphereResource) gets invoked and the response will be suspended depending on the http method, e.g. GET will suspend the connection, POST will broadcast chat message to suspended connection.

Specified by:

onRequest in interface AtmosphereHandler<HttpServletRequest,HttpServletResponse>

Parameters:

event - An AtmosphereEvent

Throws:

IOException

onStateChange

public void onStateChange(AtmosphereResourceEvent<HttpServletRequest,HttpServletResponse> event)
                   throws IOException

Invoked when a call to Broadcaster.broadcast(java.lang.Object) is issued or when the response times out, e.g whne the value AtmosphereEvent#suspend(long) expires.

Specified by:

onStateChange in interface AtmosphereHandler<HttpServletRequest,HttpServletResponse>

Parameters:

event - An AtmosphereEvent

Throws:

IOException