spring AbstractBeanFactoryAwareAdvisingPostProcessor 源码
spring AbstractBeanFactoryAwareAdvisingPostProcessor 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/framework/autoproxy/AbstractBeanFactoryAwareAdvisingPostProcessor.java
/*
* Copyright 2002-2018 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
*
* https://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.aop.framework.autoproxy;
import org.springframework.aop.framework.AbstractAdvisingBeanPostProcessor;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.lang.Nullable;
/**
* Extension of {@link AbstractAutoProxyCreator} which implements {@link BeanFactoryAware},
* adds exposure of the original target class for each proxied bean
* ({@link AutoProxyUtils#ORIGINAL_TARGET_CLASS_ATTRIBUTE}),
* and participates in an externally enforced target-class mode for any given bean
* ({@link AutoProxyUtils#PRESERVE_TARGET_CLASS_ATTRIBUTE}).
* This post-processor is therefore aligned with {@link AbstractAutoProxyCreator}.
*
* @author Juergen Hoeller
* @since 4.2.3
* @see AutoProxyUtils#shouldProxyTargetClass
* @see AutoProxyUtils#determineTargetClass
*/
@SuppressWarnings("serial")
public abstract class AbstractBeanFactoryAwareAdvisingPostProcessor extends AbstractAdvisingBeanPostProcessor
implements BeanFactoryAware {
@Nullable
private ConfigurableListableBeanFactory beanFactory;
@Override
public void setBeanFactory(BeanFactory beanFactory) {
this.beanFactory = (beanFactory instanceof ConfigurableListableBeanFactory ?
(ConfigurableListableBeanFactory) beanFactory : null);
}
@Override
protected ProxyFactory prepareProxyFactory(Object bean, String beanName) {
if (this.beanFactory != null) {
AutoProxyUtils.exposeTargetClass(this.beanFactory, beanName, bean.getClass());
}
ProxyFactory proxyFactory = super.prepareProxyFactory(bean, beanName);
if (!proxyFactory.isProxyTargetClass() && this.beanFactory != null &&
AutoProxyUtils.shouldProxyTargetClass(this.beanFactory, beanName)) {
proxyFactory.setProxyTargetClass(true);
}
return proxyFactory;
}
@Override
protected boolean isEligible(Object bean, String beanName) {
return (!AutoProxyUtils.isOriginalInstance(beanName, bean.getClass()) &&
super.isEligible(bean, beanName));
}
}
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