装饰模式9（12）

你有一座房子，你要装修你的房子

对已有对象增加新功能，而不改变该对象。

 

package structural.pratice;

public class Decoretor2PMain {

    public static void main(String[] args) {

        House f = new FirstHouse();
        DecoretationWorker worker = new DecoretationWorker(f);
        worker.wholeHouse();
    }
}

//房子设计图
interface House{
    void beWall();
    void beWindows();
    void beDoors();
    void beRoof();
    void beFloor();
    void wholeHouse();
}

//建造房子
class FirstHouse implements House{
    
    @Override
    public void beWall() {
        System.out.println("建好了墙！");
    }

    @Override
    public void beWindows() {
        System.out.println("建好了窗户！");
    }

    @Override
    public void beDoors() {
        System.out.println("建好了门！");
    }

    @Override
    public void beRoof() {
        System.out.println("建好了房顶！");
    }

    @Override
    public void beFloor() {
        System.out.println("建好了地板！");
    }

    @Override
    public void wholeHouse() {
        beWall();
        beWindows();
        beDoors();
        beRoof();
        beFloor();
    }
    
}

//装修房子
abstract class DecoreteHouse extends FirstHouse{//extends FirstHouse到房子所在位置装修
    protected House f;
    public DecoreteHouse(House f){
        this.f = f;
    }
}

class DecoretationWorker extends DecoreteHouse{

    public DecoretationWorker(House f) {
        super(f);
    }
    
    @Override
    public void wholeHouse() {
        super.wholeHouse();
        System.out.println();
        System.out.println("======房子已建好！=======");
        System.out.println();
        installAppliances();
        installKitchenToilet();
        installFurniture();
        installFurniture();
        beautifyOrnament();
        bedclothes();
        buyOthers();
    }
    
    public void installAppliances(){
        System.out.println("安装家电！");
    }
    
    public void installKitchenToilet(){
        System.out.println("安装厨卫！");
    }
    
    public void installFurniture(){
        System.out.println("安装家具！");
    }
    
    public void beautifyOrnament(){
        System.out.println("增添装饰品！");
    }
    
    public void bedclothes(){
        System.out.println("添置床上用品！");
    }
    
    public void buyOthers(){
        System.out.println("购置其他家用！");
    }

}

 

来源：https://www.cnblogs.com/zzlcome/p/11423321.html