/*
 * Copyright 2009-2015 Jose Luis Martin.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jdal.beans;

import org.jdal.annotations.Parent;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;

/**
 * {@link BeanFactoryPostProcessor} to handle {@link Parent} annotation.
 * 
 * @author Jose Luis Martin
 * @since 2.1
 */
public class ParentBeanFactoryPostProcessor implements BeanFactoryPostProcessor {

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void postProcessBeanFactory(
			ConfigurableListableBeanFactory beanFactory) throws BeansException {
		
		String[] names = beanFactory.getBeanDefinitionNames();
		
		for (String beanName : names) {
			Parent parent = beanFactory.findAnnotationOnBean(beanName, Parent.class);
			
			if (parent != null) {
				BeanDefinition bd = beanFactory.getBeanDefinition(beanName);
				bd.setParentName(parent.value());
			}
		}
	}

}