/*
* 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.config.spring;
import org.mule.api.MuleContext;
import org.mule.api.expression.ExpressionEvaluator;
import org.mule.api.expression.ExpressionManager;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
/**
* Registers custom declarative expression evaluators configured via Spring config.
*
* @see ExpressionEvaluator
*/
public class ExpressionEvaluatorPostProcessor implements BeanPostProcessor
{
private MuleContext muleContext;
public ExpressionEvaluatorPostProcessor(MuleContext muleContext)
{
this.muleContext = muleContext;
}
public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException
{
if (muleContext == null)
{
return bean;
}
if (bean instanceof ExpressionEvaluator)
{
ExpressionEvaluator ee = (ExpressionEvaluator) bean;
final ExpressionManager expressionManager = muleContext.getExpressionManager();
if (!expressionManager.isEvaluatorRegistered(ee.getName()))
{
expressionManager.registerEvaluator(ee);
}
}
return bean;
}
public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException
{
return bean;
}
}