设计模式---代理模式

package com.oumyye.代理模式;
/**
* @author oumyye
* I‘m glad to share my knowledge with you all.
* 定义一种类型的女人，王婆和潘金莲都属于这个类型的女人
*/
public interface KindWomen {
//这种类型的女人能做什么事情呢？
public void makeEyesWithMan(); //抛媚眼
public void happyWithMan(); //happy what? You know that!
}

package com.oumyye.代理模式;
public class PanJinLian implements KindWomen {
public void happyWithMan() {
 System. out.println(" 潘金莲在和男人做那个.....");
 }
public void makeEyesWithMan() {
 System. out.println(" 潘金莲抛媚眼");
 }
}

package com.oumyye.代理模式;
public class WangPo implements KindWomen {
private KindWomen kindWomen;
public WangPo(){ //默认的话，是潘金莲的代理
 this. kindWomen = new PanJinLian();
 }
//她可以是KindWomen的任何一个女人的代理，只要你是这一类型
public WangPo(KindWomen kindWomen){
 this. kindWomen = kindWomen;
 }
public void happyWithMan() {
 this. kindWomen.happyWithMan(); //自己老了，干不了，可以让年轻的代替
 }
public void makeEyesWithMan() {
 this. kindWomen.makeEyesWithMan(); //王婆这么大年龄了，谁看她抛媚眼？！
 }
}

package com.oumyye.代理模式;
public class XiMenQing {
/*
 * 水浒里是这样写的：西门庆被潘金莲用竹竿敲了一下难道，痴迷了，
 * 被王婆看到了, 就开始撮合两人好事，王婆作为潘金莲的代理人
 * 收了不少好处费，那我们假设一下：
 * 如果没有王婆在中间牵线，这两个不要脸的能成吗？难说的很！
 */
public static void main(String[] args) {
 //把王婆叫出来
 WangPo wangPo = new WangPo();
 //然后西门庆就说，我要和潘金莲happy，然后王婆就安排了西门庆丢筷子的那出戏:
 wangPo.makeEyesWithMan(); //看到没，虽然表面上时王婆在做，实际上爽的是潘金莲
 wangPo.happyWithMan(); }
}

package com.oumyye.代理模式;
public class JiaShi implements KindWomen {
public void happyWithMan() {
 System. out.println(" 贾氏正在Happy中......");
 }
public void makeEyesWithMan() {
 System. out.println(" 贾氏抛媚眼");
 }
}

package com.oumyye.代理模式;
public class XiMenQing2 {
public static void main(String[] args) {
 //改编一下历史，贾氏被西门庆勾走：
 JiaShi jiaShi = new JiaShi();
 WangPo wangPo = new WangPo(jiaShi); //让王婆作为贾氏的代理人
 wangPo.makeEyesWithMan();
 wangPo.happyWithMan();
 }
}