乱学设计模式代理模式

/**
* Created by OneCoder on 2014/11/24.
*/
public class HouseOwner implements ISellHouse {
 @Override
 public void sellHouse() {
 System.out.println("Sell my house.") ;
 }
}
/**
* Created by OneCoder on 2014/11/24.
*/
public class HouseProxy implements ISellHouse {
 private ISellHouse seller;
 public HouseProxy(ISellHouse seller) {
 this.seller = seller ;
 }
 @Override
 public void sellHouse() {
 System.out.println("Proxy: Publish the information.");
 System. out.println("Proxy: Contact the buyer.");
 seller.sellHouse();
 System. out.println("Proxy: Get commision.");
 }
}