org.atmosphere.samples.pubsub
Class TypedChannel

java.lang.Object
  org.atmosphere.samples.pubsub.TypedChannel

public class TypedChannel
extends java.lang.Object

Simple Resource acting like a channel of communication.

Author:

Jeanfrancois Arcand

Constructor Summary

TypedChannel()

Method Summary

java.lang.String	handshake() Subscribe to "channel" distribution.
java.lang.String	onMessage(java.lang.String message) Broadcast messages to the "channel" distribution.

Methods inherited from class java.lang.Object

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

Constructor Detail

TypedChannel

public TypedChannel()

Method Detail

handshake

@Subscribe(value="channel")
public java.lang.String handshake()

Subscribe to "channel" distribution. With comet, the http connection will be suspended. With websocket, the handshake will gets executed.

Returns:

null - no message is send back to browser yet.

onMessage

@Publish(value="channel")
public java.lang.String onMessage(java.lang.String message)

Broadcast messages to the "channel" distribution. This method gets invoked when a WebSocket message arrive and distributed to all websocket connection that has invoked the handshake method. Note that comet application will works as well when sending POST.

Parameters:

message - the message to distribute

Returns:

the message that will be send to the "channel" distribution.