/*
* $Id: FlowConfiguringMessageProcessor.java 20813 2010-12-21 11:37:48Z dirk.olmes $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.module.cxf.config;
import org.mule.api.MuleEvent;
import org.mule.api.MuleException;
import org.mule.api.construct.FlowConstruct;
import org.mule.api.construct.FlowConstructAware;
import org.mule.api.lifecycle.Disposable;
import org.mule.api.lifecycle.Initialisable;
import org.mule.api.lifecycle.InitialisationException;
import org.mule.api.lifecycle.Lifecycle;
import org.mule.api.lifecycle.Startable;
import org.mule.api.lifecycle.Stoppable;
import org.mule.api.processor.InterceptingMessageProcessor;
import org.mule.api.processor.MessageProcessor;
import org.mule.api.processor.MessageProcessorBuilder;
/**
* Wraps a {@link MessageProcessorBuilder} and configures it lazily so it can
* be injected with the {@link FlowConstruct}.
*/
public class FlowConfiguringMessageProcessor implements FlowConstructAware, Lifecycle, InterceptingMessageProcessor
{
private MessageProcessorBuilder builder;
private MessageProcessor messageProcessor;
private MessageProcessor listener;
public FlowConfiguringMessageProcessor(MessageProcessorBuilder builder)
{
this.builder = builder;
}
public void setListener(MessageProcessor listener)
{
this.listener = listener;
}
public MuleEvent process(MuleEvent event) throws MuleException
{
return messageProcessor.process(event);
}
public void start() throws MuleException
{
if (messageProcessor instanceof Startable)
{
((Startable) messageProcessor).start();
}
}
public void setFlowConstruct(FlowConstruct flowConstruct)
{
if (builder instanceof FlowConstructAware)
{
((FlowConstructAware) builder).setFlowConstruct(flowConstruct);
}
}
public void dispose()
{
if (messageProcessor instanceof Disposable)
{
((Disposable) messageProcessor).dispose();
}
}
public void stop() throws MuleException
{
if (messageProcessor instanceof Stoppable)
{
((Stoppable) messageProcessor).stop();
}
}
public void initialise() throws InitialisationException
{
if (builder instanceof Initialisable)
{
((Initialisable) builder).initialise();
}
try
{
messageProcessor = builder.build();
}
catch (Exception e)
{
throw new InitialisationException(e, this);
}
if (messageProcessor instanceof Initialisable)
{
((Initialisable) messageProcessor).initialise();
}
if (messageProcessor instanceof InterceptingMessageProcessor && listener != null)
{
((InterceptingMessageProcessor) messageProcessor).setListener(listener);
}
}
/**
* The MessageProcessor that this class built.
*/
public MessageProcessor getWrappedMessageProcessor()
{
return messageProcessor;
}
public MessageProcessorBuilder getMessageProcessorBuilder()
{
return builder;
}
}