org.apache.mina.protocol.handler

Class DemuxingProtocolHandler

java.lang.Object

org.apache.mina.protocol.ProtocolHandlerAdapter

org.apache.mina.protocol.handler.DemuxingProtocolHandler

All Implemented Interfaces:

ProtocolHandler

public class DemuxingProtocolHandler
extends ProtocolHandlerAdapter

A ProtocolHandler that demuxes messageReceived events to the appropriate MessageHandler. You can freely register and deregister MessageHandlers using addMessageHandler(Class, MessageHandler) and removeMessageHandler(Class).

Version:

$Rev: 330401 $, $Date: 2005-11-03 02:09:13 +0100 (Thu, 03 Nov 2005) $

Author:

The Apache Directory Project

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DemuxingProtocolHandler() Creates a new instance with no registered MessageHandlers.

Method Summary

Modifier and Type	Method and Description
MessageHandler	addMessageHandler(java.lang.Class type, MessageHandler handler) Registers a MessageHandler that receives the messages of the specified type.
MessageHandler	getMessageHandler(java.lang.Class type) Returns the MessageHandler which is registered to process the specified type.
java.util.Map	getMessageHandlerMap() Returns the Map which contains all messageType-MessageHandler pairs registered to this handler.
void	messageReceived(ProtocolSession session, java.lang.Object message) Forwards the received events into the appropriate MessageHandler which is registered by addMessageHandler(Class, MessageHandler).
MessageHandler	removeMessageHandler(java.lang.Class type) Deregisters a MessageHandler that receives the messages of the specified type.

Methods inherited from class org.apache.mina.protocol.ProtocolHandlerAdapter

exceptionCaught, messageSent, sessionClosed, sessionCreated, sessionIdle, sessionOpened

Methods inherited from class java.lang.Object

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

Constructor Detail

DemuxingProtocolHandler

protected DemuxingProtocolHandler()

Creates a new instance with no registered MessageHandlers.

Method Detail

addMessageHandler

public MessageHandler addMessageHandler(java.lang.Class type,
                                        MessageHandler handler)

Registers a MessageHandler that receives the messages of the specified type.

Returns:

the old handler if there is already a registered handler for the specified type. null otherwise.

removeMessageHandler

public MessageHandler removeMessageHandler(java.lang.Class type)

Deregisters a MessageHandler that receives the messages of the specified type.

Returns:

the removed handler if successfully removed. null otherwise.

getMessageHandler

public MessageHandler getMessageHandler(java.lang.Class type)

Returns the MessageHandler which is registered to process the specified type.

getMessageHandlerMap

public java.util.Map getMessageHandlerMap()

Returns the Map which contains all messageType-MessageHandler pairs registered to this handler.

messageReceived

public void messageReceived(ProtocolSession session,
                            java.lang.Object message)
                     throws java.lang.Exception

Forwards the received events into the appropriate MessageHandler which is registered by addMessageHandler(Class, MessageHandler).

Specified by:

messageReceived in interface ProtocolHandler

Overrides:

messageReceived in class ProtocolHandlerAdapter

Throws:

java.lang.Exception