63 lines
1.8 KiB
Java
63 lines
1.8 KiB
Java
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package cn.iocoder.dashboard.util;
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import org.springframework.aop.framework.AdvisedSupport;
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import org.springframework.aop.framework.AopProxy;
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import org.springframework.aop.support.AopUtils;
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import java.lang.reflect.Field;
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/**
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* http://www.bubuko.com/infodetail-3471885.html
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*/
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public class AopTargetUtils {
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/**
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* 获取 目标对象
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*
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* @param proxy 代理对象
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* @return
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* @throws Exception
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*/
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public static Object getTarget(Object proxy) throws Exception {
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if (!AopUtils.isAopProxy(proxy)) {
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return proxy; //不是代理对象
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}
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if (AopUtils.isJdkDynamicProxy(proxy)) {
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return getJdkDynamicProxyTargetObject(proxy);
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} else { //cglib
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return getCglibProxyTargetObject(proxy);
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}
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}
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private static Object getCglibProxyTargetObject(Object proxy) throws Exception {
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Field h = proxy.getClass().getDeclaredField("CGLIB$CALLBACK_0");
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h.setAccessible(true);
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Object dynamicAdvisedInterceptor = h.get(proxy);
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Field advised = dynamicAdvisedInterceptor.getClass().getDeclaredField("advised");
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advised.setAccessible(true);
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Object target = ((AdvisedSupport) advised.get(dynamicAdvisedInterceptor)).getTargetSource().getTarget();
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return target;
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}
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private static Object getJdkDynamicProxyTargetObject(Object proxy) throws Exception {
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Field h = proxy.getClass().getSuperclass().getDeclaredField("h");
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h.setAccessible(true);
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AopProxy aopProxy = (AopProxy) h.get(proxy);
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Field advised = aopProxy.getClass().getDeclaredField("advised");
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advised.setAccessible(true);
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Object target = ((AdvisedSupport) advised.get(aopProxy)).getTargetSource().getTarget();
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return target;
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}
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}
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