com.redhat.thermostat.common.command

Class MessageEncoder

java.lang.Object

org.jboss.netty.channel.SimpleChannelDownstreamHandler

com.redhat.thermostat.common.command.MessageEncoder

All Implemented Interfaces:

org.jboss.netty.channel.ChannelDownstreamHandler, org.jboss.netty.channel.ChannelHandler

public abstract class MessageEncoder
extends org.jboss.netty.channel.SimpleChannelDownstreamHandler

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	MessageEncoder()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract org.jboss.netty.buffer.ChannelBuffer	encode(Message originalMessage) Transforms the specified message into another message and return the transformed message.
void	handleDownstream(org.jboss.netty.channel.ChannelHandlerContext ctx, org.jboss.netty.channel.ChannelEvent evt)

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

bindRequested, closeRequested, connectRequested, disconnectRequested, setInterestOpsRequested, unbindRequested, writeRequested

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageEncoder

protected MessageEncoder()

Method Detail

handleDownstream

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

Specified by:

handleDownstream in interface org.jboss.netty.channel.ChannelDownstreamHandler

Overrides:

handleDownstream in class org.jboss.netty.channel.SimpleChannelDownstreamHandler

Throws:

Exception

encode

protected abstract org.jboss.netty.buffer.ChannelBuffer encode(Message originalMessage)

Transforms the specified message into another message and return the transformed message. Note that you can not return null, unlike you can in MessageDecoder#decode(org.jboss.netty.buffer.ChannelBuffer); you must return something, at least ChannelBuffers.EMPTY_BUFFER.