package cn.zys.dynamiproxy;

public class Host implements Rent{

    public void rent(){

        System.out.println("host房屋出租");

    }

    @Override

    public void oks() {

        // TODO Auto-generated method stub

        System.out.println("我是最新的增强方法");

    }

}

package cn.zys.dynamiproxy;

public interface Rent {

    public void rent();

    public void oks();

}

package cn.zys.dynamiproxy;

import java.lang.reflect.InvocationHandler;

import java.lang.reflect.Method;

import java.lang.reflect.Proxy;

public class ProxyInvocationHandler implements InvocationHandler{

    private Object objs;

    public Object getObjs() {

        return objs;

    }

    public void setObjs(Object objs) {

        this.objs = objs;

    }

    /*

     * 生成代理类

     * Loader 定义代理类的加载器

     * Interfaces 定义代理类要实现接口的列表

     * */

    public Object getProxy(){

        return Proxy.newProxyInstance(this.getClass().getClassLoader(), objs.getClass().getInterfaces(), this);

    }

    /*

     *   proxy 是代理类

     *   method 代理类的调用处理程序的方法对象

     * */

    @Override

    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {

        // TODO Auto-generated method stub

        log(method.getName());

        Object obj = method.invoke(objs, args);

        return obj;

    }

    //看房

    private void seehouse(){

        System.out.println("看房");

    }

    //收中介费

    private void frea(){

        System.out.println("收取中介费");

    }

    //测试日志

    public void log(String methodName){

        System.out.println("执行"+methodName+"方法");

    }

}

package cn.zys.dynamiproxy;

import java.util.ArrayList;

import java.util.List;

public class Men {

    public static void main(String[] args) {

//        Host host = new Host();

//        ProxyInvocationHandler pih = new ProxyInvocationHandler();

//        pih.setObjs(host);

//        Rent rent = (Rent) pih.getProxy();

//        rent.rent();

        //测试list

        ProxyInvocationHandler pih = new ProxyInvocationHandler();

        pih.setObjs(new ArrayList());

        List list = (List) pih.getProxy();

        list.add("haha");

    }

}