com.redhat.thermostat.common.command

Class MessageDecoder

java.lang.Object

org.jboss.netty.channel.SimpleChannelUpstreamHandler

com.redhat.thermostat.common.command.MessageDecoder

All Implemented Interfaces:

org.jboss.netty.channel.ChannelHandler, org.jboss.netty.channel.ChannelUpstreamHandler

public abstract class MessageDecoder
extends org.jboss.netty.channel.SimpleChannelUpstreamHandler

Nested Class Summary

Nested classes/interfaces inherited from interface org.jboss.netty.channel.ChannelHandler

org.jboss.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MessageDecoder()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract Message	decode(org.jboss.netty.channel.Channel channel, org.jboss.netty.buffer.ChannelBuffer msg) Transforms the specified received message into another message and return the transformed message.
void	handleUpstream(org.jboss.netty.channel.ChannelHandlerContext ctx, org.jboss.netty.channel.ChannelEvent evt)

Methods inherited from class org.jboss.netty.channel.SimpleChannelUpstreamHandler

channelBound, channelClosed, channelConnected, channelDisconnected, channelInterestChanged, channelOpen, channelUnbound, childChannelClosed, childChannelOpen, exceptionCaught, messageReceived, writeComplete

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageDecoder

protected MessageDecoder()

Method Detail

handleUpstream

public void handleUpstream(org.jboss.netty.channel.ChannelHandlerContext ctx,
                  org.jboss.netty.channel.ChannelEvent evt)
                    throws Exception

Specified by:

handleUpstream in interface org.jboss.netty.channel.ChannelUpstreamHandler

Overrides:

handleUpstream in class org.jboss.netty.channel.SimpleChannelUpstreamHandler

Throws:

Exception

decode

protected abstract Message decode(org.jboss.netty.channel.Channel channel,
             org.jboss.netty.buffer.ChannelBuffer msg)
                           throws InvalidMessageException

Transforms the specified received message into another message and return the transformed message. Return null if the received message is supposed to be discarded.

Throws:

InvalidMessageException - If the received message was not properly encoded.