package com.cheng.zenofdesignpatterns.patterns.proxy.common;
/**
* 代理类
*/
public class Proxy implements Subject {
// 要代理哪个实现类
private Subject subject = null;
// 默认被代理者
public Proxy() {
this.subject = new Proxy();
}
public Proxy(Subject _subject) {
this.subject = _subject;
}
// 通过构造函数传递代理者
public Proxy(Object... objects) {
}
// 实现接口中定义的方法
@Override
public void request() {
this.before();
this.subject.request();
this.after();
}
//预处理
private void before(){
//do something
}
//善后处理
private void after(){
//do something
}
}