package com.pattern.dynamicProxy;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;

public class StuInvocationHandler<T> implements InvocationHandler {
 T target;

 public StuInvocationHandler(T target){
 this.target = target;
 }

 @Override
 public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
 System.out.println("代理执行" +method.getName() + "方法");

 if(args!=null){
 if(args.length>0){
 for(Object ob :args){
 try {
 Double money = (double)ob;
 System.out.println("invoke 参数是:"+money);
 }catch (Exception ex){
 ex.printStackTrace();
 }
 }
 }
 }

 //代理过程中插入监测方法,计算该方法耗时
 MonitorUtil.start();

 Object result = method.invoke(target, args);

 MonitorUtil.finish(method.getName());

 return result;
 }
}