代理模式

package com.java.exec2;

/**
 * Created by zhangyanana    on 2017/3/16.
 */
//静态代理模式
//接口
interface ClothFactory {
    void productCloth();
}

//被代理类
class NikeClothFactory implements ClothFactory {

    @Override
    public void productCloth() {
        System.out.println("Nike工厂生产一批衣服");
    }
}

//代理类
class ProxyFactory implements ClothFactory {
    ClothFactory cf;
    //创建代理类对象时，实际传入一个被代理类的对象
    public ProxyFactory(ClothFactory cf) {
        this.cf = cf;
    }

    @Override
    public void productCloth() {
        System.out.println("代理类开始执行，收代理费$1000");
        cf.productCloth();
    }
}

public class TestClothProduct {
    public static void main(String[] args) {
        NikeClothFactory ncf = new NikeClothFactory();//创建被代理类的对象
        ProxyFactory pf = new ProxyFactory(ncf);//创建代理类的对象
        pf.productCloth();
    }
}