Atmosphere is a WebSocket/Comet Framework for Java (and other JVM languages) supporting transparently WebSockets, Server Side Events (SSE), Long-Polling, HTTP Streaming (Forever frame) and JSONP. The Atmosphere Framework is portable and can be deployed on any Web Server that supports the Servlet Specification 2.3.

This post demonstrates how to create a “per session” Atmosphere Broadcaster. One that uniquely associates itself with a client’s  http session and forms this way some kind of durable unique “communication channel” between the server and the client. 

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