/*
|
* Copyright [2020-2030] [https://www.stylefeng.cn]
|
*
|
* 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.
|
*
|
* Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
|
*
|
* 1.请不要删除和修改根目录下的LICENSE文件。
|
* 2.请不要删除和修改Guns源码头部的版权声明。
|
* 3.请保留源码和相关描述文件的项目出处，作者声明等。
|
* 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
|
* 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
|
* 6.若您的项目无法满足以上几点，可申请商业授权
|
*/
|
package cn.stylefeng.roses.kernel.rule.util;
|
|
import lombok.extern.slf4j.Slf4j;
|
import org.springframework.aop.framework.AdvisedSupport;
|
import org.springframework.aop.framework.AopProxy;
|
import org.springframework.aop.support.AopUtils;
|
|
import java.lang.reflect.Field;
|
|
/**
|
* 获取代理原始对象的工具
|
*
|
* @author fengshuonan
|
* @date 2020/10/19 16:20
|
*/
|
@Slf4j
|
public class AopTargetUtils {
|
|
/**
|
* 获取代理对象的原始对象
|
*
|
* @author fengshuonan
|
* @date 2020/10/19 16:21
|
*/
|
public static Object getTarget(Object proxy) {
|
|
// 不是代理对象，直接返回参数对象
|
if (!AopUtils.isAopProxy(proxy)) {
|
return proxy;
|
}
|
|
// 判断是否是jdk还是cglib代理的对象
|
try {
|
if (AopUtils.isJdkDynamicProxy(proxy)) {
|
return getJdkDynamicProxyTargetObject(proxy);
|
} else {
|
return getCglibProxyTargetObject(proxy);
|
}
|
} catch (Exception e) {
|
log.error("获取代理对象异常", e);
|
return null;
|
}
|
}
|
|
/**
|
* 获取cglib代理的对象
|
*
|
* @author fengshuonan
|
* @date 2020/10/19 16:21
|
*/
|
private static Object getCglibProxyTargetObject(Object proxy) throws Exception {
|
Field h = proxy.getClass().getDeclaredField("CGLIB$CALLBACK_0");
|
h.setAccessible(true);
|
Object dynamicAdvisedInterceptor = h.get(proxy);
|
Field advised = dynamicAdvisedInterceptor.getClass().getDeclaredField("advised");
|
advised.setAccessible(true);
|
return ((AdvisedSupport) advised.get(dynamicAdvisedInterceptor)).getTargetSource().getTarget();
|
}
|
|
/**
|
* 获取jdk代理的对象
|
*
|
* @author fengshuonan
|
* @date 2020/10/19 16:22
|
*/
|
private static Object getJdkDynamicProxyTargetObject(Object proxy) throws Exception {
|
Field h = proxy.getClass().getSuperclass().getDeclaredField("h");
|
h.setAccessible(true);
|
AopProxy aopProxy = (AopProxy) h.get(proxy);
|
Field advised = aopProxy.getClass().getDeclaredField("advised");
|
advised.setAccessible(true);
|
return ((AdvisedSupport) advised.get(aopProxy)).getTargetSource().getTarget();
|
}
|
|
}
|
