/**
* Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
*
* 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.onebusaway.container.spring;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.core.Ordered;
/**
* A Spring {@link BeanPostProcessor} to add additional values to
* already-created {@link Properties} object.
*
* @author bdferris
* @see ListBeanPostProcessor
* @see PropertiesBeanPostProcessor
*/
public class PropertiesBeanPostProcessor implements BeanPostProcessor, Ordered {
private int _order;
private Set<String> _targets = new HashSet<String>();
private Properties _properties;
public void setTarget(String target) {
setTargets(Arrays.asList(target));
}
public void setTargets(List<String> targets) {
_targets.clear();
_targets.addAll(targets);
}
public void setProperties(Properties properties) {
_properties = properties;
}
/***************************************************************************
* {@link Ordered} Interface
**************************************************************************/
public void setOrder(int order) {
_order = order;
}
public int getOrder() {
return _order;
}
/***************************************************************************
* {@link BeanPostProcessor} Interface
**************************************************************************/
public Object postProcessBeforeInitialization(Object bean, String beanName)
throws BeansException {
return bean;
}
public Object postProcessAfterInitialization(Object obj, String beanName)
throws BeansException {
if (_properties != null && _targets.contains(beanName)) {
if (obj instanceof Properties) {
Properties properties = (Properties) obj;
properties.putAll(_properties);
} else if (obj instanceof PropertiesFactoryBean) {
PropertiesFactoryBean factory = (PropertiesFactoryBean) obj;
System.out.println(factory);
}
}
return obj;
}
}