设计方式之Proxy(代理模式)

设计模式之Proxy(代理模式)
Proxy(代理模式)

定义RealSubject和Proxy共用的接口

package com.dzeay.pattern.proxy;public abstract class Subject {    public abstract void excute();}

package com.dzeay.pattern.proxy;public class RealSubject extends Subject {    @Override    public void excute() {        System.out.println("RealSubject.excute");    }}

package com.dzeay.pattern.proxy;public class Proxy extends Subject {    private Subject subject;    public Proxy(Subject subject) {        this.subject = subject;    }    @Override    public void excute() {        subject.excute();    }}

package com.dzeay.pattern.proxy;/** * <pre> * Proxy(代理模式)详解: * 为其它对象提供一种代理以控制对这个对象的访问 * </pre> *  * @author <a href="mailto:dzeay.com@gmail.com">dzeay.com</a> * @since 2011-02-26 * @version 1.0 */public class TestClass {    /**     * @param args     */    public static void main(String[] args) {        Subject subjectProxy = new Proxy(new RealSubject());        subjectProxy.excute();    }}