atmosphere servlet example

gistfile1.xml

<!-- Atmosphere -->
<servlet>
		<description>AtmosphereServlet</description>
		<servlet-name>AtmosphereServlet</servlet-name>
		<servlet-class>org.atmosphere.cpr.AtmosphereServlet</servlet-class>


		<init-param>
			<param-name>org.atmosphere.cpr.broadcasterLifeCyclePolicy</param-name>
			<param-value>EMPTY_DESTROY</param-value>
		</init-param>
		<init-param>
			<param-name>org.atmosphere.cpr.broadcaster.shareableThreadPool</param-name>
			<param-value>true</param-value>
		</init-param>
		<init-param>
			<param-name>org.atmosphere.cpr.recoverFromDestroyedBroadcaster</param-name>
			<param-value>true</param-value>
		</init-param>
		<init-param>
			<param-name>org.atmosphere.websocket.messageContentType</param-name>
			<param-value>application/json</param-value>
		</init-param>
		<!-- Uncomment to track message size delivery <init-param> <param-name>org.atmosphere.cpr.broadcastFilterClasses</param-name> 
			<param-value>org.atmosphere.client.TrackMessageSizeFilter</param-value> </init-param> -->
		<!-- Uncomment to use Redis <init-param> <param-name>org.atmosphere.cpr.broadcasterClassName</param-name> 
			<param-value>org.atmosphere.plugin.org.atmosphere.plugin.redis.RedisBroadcaster</param-value> 
			</init-param> -->

		<load-on-startup>0</load-on-startup>
		<async-supported>true</async-supported>
	</servlet>
	<servlet-mapping>
		<servlet-name>AtmosphereServlet</servlet-name>
		<url-pattern>/atmosphere/*</url-pattern>
	</servlet-mapping>