/*
* $Id: TransformerTemplate.java 20321 2010-11-24 15:21:24Z dfeist $
* --------------------------------------------------------------------------------------
* 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.transformer;
import org.mule.api.MuleMessage;
import org.mule.api.transformer.TransformerException;
/** TODO */
public class TransformerTemplate extends AbstractMessageTransformer
{
private TransformerCallback callback;
public TransformerTemplate(TransformerCallback callback)
{
this.callback = callback;
}
@Override
public Object transformMessage(MuleMessage message, String outputEncoding) throws TransformerException
{
try
{
return callback.doTransform(message);
}
catch (TransformerException e)
{
throw new TransformerException(e.getI18nMessage(),this, e);
}
catch (Exception e)
{
throw new TransformerException(this, e);
}
}
public interface TransformerCallback
{
public Object doTransform(MuleMessage message) throws Exception;
}
public static class OverwitePayloadCallback implements TransformerCallback
{
private Object payload;
public OverwitePayloadCallback(Object payload)
{
this.payload = payload;
}
public Object doTransform(MuleMessage message) throws Exception
{
return payload;
}
}
}