/*
* $Id: InboundExceptionDetailsMessageProcessor.java 19191 2010-08-25 21:05:23Z tcarlson $
* --------------------------------------------------------------------------------------
* 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.endpoint.inbound;
import org.mule.api.MuleEvent;
import org.mule.api.MuleException;
import org.mule.api.MuleMessage;
import org.mule.api.processor.MessageProcessor;
import org.mule.api.transport.Connector;
import org.mule.config.ExceptionHelper;
import org.mule.util.ObjectUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Sets error message properties as specified by the transport based on the exception
* type of the exception payload. This mechanism uses a transport properties file in
* the META-INF/services/org/mule/config directory called
* mule-exception-codes.properties. This property file maps the fully qualified class
* names of exceptions to the value of the property that should be set. The name of
* the property is defined by the error.code.property property in the same properties
* file.
*/
public class InboundExceptionDetailsMessageProcessor implements MessageProcessor
{
private static final Log logger = LogFactory.getLog(InboundExceptionDetailsMessageProcessor.class);
protected Connector connector;
public InboundExceptionDetailsMessageProcessor(Connector connector)
{
this.connector = connector;
}
public MuleEvent process(MuleEvent event) throws MuleException
{
if (event != null)
{
MuleMessage resultMessage = event.getMessage();
if (resultMessage != null)
{
if (resultMessage.getExceptionPayload() != null)
{
setExceptionDetails(resultMessage, connector, resultMessage.getExceptionPayload()
.getException());
}
}
}
return event;
}
/**
* This method is used to set any additional and possibly transport specific
* information on the return message where it has an exception payload.
*
* @param message
* @param exception
*/
protected void setExceptionDetails(MuleMessage message, Connector connector, Throwable exception)
{
String propName = ExceptionHelper.getErrorCodePropertyName(connector.getProtocol());
// If we dont find a error code property we can assume there are not
// error code mappings for this connector
if (propName != null)
{
String code = ExceptionHelper.getErrorMapping(connector.getProtocol(), exception.getClass());
if (logger.isDebugEnabled())
{
logger.debug("Setting error code for: " + connector.getProtocol() + ", " + propName + "="
+ code);
}
message.setOutboundProperty(propName, code);
}
}
@Override
public String toString()
{
return ObjectUtils.toString(this);
}
}