[关键字]:java,design pattern,设计模式,《Java与模式》,Factory
[环境]:StarUML5.0 + JDK6
[作者]:Winty (wintys@gmail.com)
UML图:

代码:
/**
 *工厂模式测试类
 *@version 2009-4-3
 *@author Winty(wintys@gmail.com)
 */
package pattern.factory;
public class Factory{
    public static void main(String[] args){
        Fruit fruit;
        FruitGardener fruitGardener;
        fruitGardener = new AppleGardener();
        fruit = fruitGardener.factory();
        fruit.plant();
        fruit.harvest();
        fruitGardener = new StrawberryGardener();
        fruit = fruitGardener.factory();
        fruit.plant();
        fruit.harvest();
        fruitGardener = new GrapeGardener();
        fruit = fruitGardener.factory();
        fruit.plant();
        fruit.harvest();
    }
}
/**
 *抽象产品
 */
abstract class Fruit{
    protected String name;
    public abstract void plant();
    public abstract void harvest();
}
/**
 *具体产品(Apple)
 */
class Apple extends Fruit{
    public Apple(){
        name = "Apple";
    }
    @Override
    public void plant(){
        System.out.println(name + " plant");
    }
    @Override
    public void harvest(){
        System.out.println(name + " harvest");
    }
}
/**
 *具体产品(草莓)
 */
class Strawberry extends Fruit{
     
    public Strawberry(){
        name = "Strawberry";
    }
    
    @Override
    public void plant(){
        System.out.println(name + " plant");
    }
    @Override
    public void harvest(){
        System.out.println(name + " harvest");
    }
}
/**
 *具体产品(葡萄)
 */
class Grape extends Fruit{
    public Grape(){
        name = "Grape";
    }
    @Override
    public void plant(){
        System.out.println(name + " plant");
    }
    @Override
    public void harvest(){
        System.out.println(name + " harvest");
    }
}
/**
 *抽象工厂类
 */
abstract class FruitGardener{
    public abstract Fruit factory();
}
/**
 *具体Apple工厂
 */
class AppleGardener extends FruitGardener{
    @Override
    public Fruit factory(){
        return new Apple();
    }
}
/**
 *具体草莓工厂
 */
class StrawberryGardener extends FruitGardener{
    @Override
    public Fruit factory(){
        return new Strawberry();
    }
}
/** 
 *具体葡萄工厂
 */
class GrapeGardener extends FruitGardener{
    @Override
    public Fruit factory(){
        return new Grape();
    }
}
	posted on 2009-04-14 12:32 
天堂露珠 阅读(1131) 
评论(0)  编辑  收藏  所属分类: 
Pattern