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Java 在MethodInterceptor中获取目标_Java_Guice_Aop_Aopalliance - Fatal编程技术网

Java 在MethodInterceptor中获取目标

Java 在MethodInterceptor中获取目标,java,guice,aop,aopalliance,Java,Guice,Aop,Aopalliance,如何在拦截器中获取目标对象 bindInterceptor(subclassesOf(A.class), any(), new MethodInterceptor() { @Override public Object invoke(MethodInvocation methodInvocation) throws Throwable { A a = getTarget(); //how? return

如何在拦截器中获取目标对象

   bindInterceptor(subclassesOf(A.class), any(), new MethodInterceptor() {
        @Override
        public Object invoke(MethodInvocation methodInvocation) throws Throwable {
            A a = getTarget();    //how?
            return methodInvocation.proceed();
        }
    });
UPD 实际上,有基于反射的解决方案,但它希望有其他的解决方案

private static Object getTarget(MethodInvocation methodInvocation) throws NoSuchFieldException, IllegalAccessException {
    return getFieldValue(methodInvocation, "proxy");
}

private static Object getFieldValue(Object obj, String field) throws NoSuchFieldException, IllegalAccessException {
    Field f = obj.getClass().getDeclaredField(field);
    f.setAccessible(true);
    return f.get(obj);
}

它不只是
methodInvocation.getThis()

是的。谢谢。我的拦截器中有一些bug,使用
getThis()
返回一些错误的对象。现在它工作得很好。谢谢