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

AtmosphereEvent<HttpServletRequest,HttpServletResponse>	onEvent(AtmosphereEvent<HttpServletRequest,HttpServletResponse> event) When the AtmosphereServlet detect an HttpServletRequest maps to this AtmosphereHandler, the AtmosphereHandler.onEvent(org.atmosphere.cpr.AtmosphereEvent) gets invoked and the response will be suspended depending on the http method, e.g.
AtmosphereEvent<HttpServletRequest,HttpServletResponse>	onMessage(AtmosphereEvent<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

onEvent

public AtmosphereEvent<HttpServletRequest,HttpServletResponse> onEvent(AtmosphereEvent<HttpServletRequest,HttpServletResponse> event)
                                                                throws IOException

When the AtmosphereServlet detect an HttpServletRequest maps to this AtmosphereHandler, the AtmosphereHandler.onEvent(org.atmosphere.cpr.AtmosphereEvent) 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:

onEvent in interface AtmosphereHandler<HttpServletRequest,HttpServletResponse>

Parameters:

event - An AtmosphereEvent

Returns:

AtmosphereEvent

Throws:

IOException

onMessage

public AtmosphereEvent<HttpServletRequest,HttpServletResponse> onMessage(AtmosphereEvent<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:

onMessage in interface AtmosphereHandler<HttpServletRequest,HttpServletResponse>

Parameters:

event - An AtmosphereEvent

Returns:

AtmosphereEvent

Throws:

IOException