/*
* Copyright 2002-2013 the original author or authors.
*
* 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.springframework.security.config.annotation.configuration;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.Aware;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.SmartInitializingSingleton;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.security.config.annotation.ObjectPostProcessor;
import org.springframework.util.Assert;
/**
* Allows registering Objects to participate with an {@link AutowireCapableBeanFactory}'s
* post processing of {@link Aware} methods, {@link InitializingBean#afterPropertiesSet()}
* , and {@link DisposableBean#destroy()}.
*
* @author Rob Winch
* @since 3.2
*/
final class AutowireBeanFactoryObjectPostProcessor
implements ObjectPostProcessor<Object>, DisposableBean, SmartInitializingSingleton {
private final Log logger = LogFactory.getLog(getClass());
private final AutowireCapableBeanFactory autowireBeanFactory;
private final List<DisposableBean> disposableBeans = new ArrayList<DisposableBean>();
private final List<SmartInitializingSingleton> smartSingletons = new ArrayList<SmartInitializingSingleton>();
public AutowireBeanFactoryObjectPostProcessor(
AutowireCapableBeanFactory autowireBeanFactory) {
Assert.notNull(autowireBeanFactory, "autowireBeanFactory cannot be null");
this.autowireBeanFactory = autowireBeanFactory;
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.security.config.annotation.web.Initializer#initialize(java.
* lang.Object)
*/
@SuppressWarnings("unchecked")
public <T> T postProcess(T object) {
if (object == null) {
return null;
}
T result = null;
try {
result = (T) this.autowireBeanFactory.initializeBean(object,
object.toString());
}
catch (RuntimeException e) {
Class<?> type = object.getClass();
throw new RuntimeException(
"Could not postProcess " + object + " of type " + type, e);
}
this.autowireBeanFactory.autowireBean(object);
if (result instanceof DisposableBean) {
this.disposableBeans.add((DisposableBean) result);
}
if (result instanceof SmartInitializingSingleton) {
this.smartSingletons.add((SmartInitializingSingleton) result);
}
return result;
}
/* (non-Javadoc)
* @see org.springframework.beans.factory.SmartInitializingSingleton#afterSingletonsInstantiated()
*/
@Override
public void afterSingletonsInstantiated() {
for(SmartInitializingSingleton singleton : smartSingletons) {
singleton.afterSingletonsInstantiated();
}
}
/*
* (non-Javadoc)
*
* @see org.springframework.beans.factory.DisposableBean#destroy()
*/
public void destroy() throws Exception {
for (DisposableBean disposable : this.disposableBeans) {
try {
disposable.destroy();
}
catch (Exception error) {
this.logger.error(error);
}
}
}
}