org.atmosphere.samples.chat
Class ChatAtmosphereHandler

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

All Implemented Interfaces:

AtmosphereHandler<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>

public class ChatAtmosphereHandler
extends Object
implements AtmosphereHandler<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>

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

Author:

Jeanfrancois Arcand, TAKAI Naoto (original author for the Comet based Chat).

Constructor Summary

ChatAtmosphereHandler()

Method Summary

void	destroy()
void	onRequest(AtmosphereResource<javax.servlet.http.HttpServletRequest,javax.servlet.http.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<javax.servlet.http.HttpServletRequest,javax.servlet.http.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 AtmosphereResource.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<javax.servlet.http.HttpServletRequest,javax.servlet.http.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<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>

Parameters:

event - An AtmosphereResource

Throws:

IOException

onStateChange

public void onStateChange(AtmosphereResourceEvent<javax.servlet.http.HttpServletRequest,javax.servlet.http.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 AtmosphereResource.suspend(long) expires.

Specified by:

onStateChange in interface AtmosphereHandler<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>

Parameters:

event - An AtmosphereResourceEvent

Throws:

IOException

destroy

public void destroy()

Specified by:

destroy in interface AtmosphereHandler<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>