java实现23种设计模式之代理模式

package com.ceshi7;

public interface Sourceable {
    public void method();
}

package com.ceshi7;

public class Source implements Sourceable{

    @Override
    public void method() {
        System.out.println("这是原方法!");
    }

}

package com.ceshi7;

public class Proxy implements Sourceable{
    private Source source;
    public Proxy(){
        super();
        this.source = new Source();
    }
    @Override
    public void method() {
        before();
        source.method();
        atfer();
    }
    private void atfer() {
        System.out.println("代理之后!");
    }
    private void before() {
        System.out.println("代理之前!");
    }
}

package com.ceshi7;

public class ProxyTest {
    public static void main(String[] args) {
        Sourceable source = new Proxy();
        source.method();
    }
}