package com.thinker.common.proxy;

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

/**
 * Created by lzh on 8/3/16.
 * 利用反射调用实现类的方法，实现动态代理。
 *
 */
public class Handler<T> implements InvocationHandler {
    private Class<T> t;
    public Handler(Class<T> t){
        this.t = t;
    }
    private void before(){
        System.out.println("before");
    }
    private void after(){
        System.out.println("after");
    }
    @Override
    public Object invoke(Object obj, Method method, Object[] args) throws Throwable {
        this.before();
        Object object = method.invoke(t.newInstance(),args);
        this.after();
        return object;
    }
}