设计模式之二工厂模式之三抽象工厂方法模式

基本介绍：

 

 类图

 

代码实现：

package com.hy.factory.absfactory.pizzastore.pizza;

/**
 * @author hanyong
 * @date 2020/10/31 20:35
 */
//将Pizza 类做成抽象
public abstract class Pizza {
    protected String name; //名字

    //准备原材料, 不同的披萨不一样，因此，我们做成抽象方法
    public abstract void prepare();


    public void bake() {
        System.out.println(name + " baking;");
    }

    public void cut() {
        System.out.println(name + " cutting;");
    }

    //打包
    public void box() {
        System.out.println(name + " boxing;");
    }

    public void setName(String name) {
        this.name = name;
    }
}

package com.hy.factory.absfactory.pizzastore.pizza;

/**
 * @author hanyong
 * @date 2020/11/4 23:48
 */
public class LDPepperPizza extends Pizza {
    @Override
    public void prepare() {
        setName("伦敦胡椒披萨");
        System.out.println("准备伦敦胡椒披萨原材料");
    }
}


package com.hy.factory.absfactory.pizzastore.pizza;

/**
 * @author hanyong
 * @date 2020/11/4 23:47
 */
public class LDCheesePizza extends Pizza {
    @Override
    public void prepare() {
        setName("伦敦奶酪披萨");
        System.out.println("准备伦敦奶酪披萨原材料");
    }
}


package com.hy.factory.absfactory.pizzastore.pizza;

/**
 * @author hanyong
 * @date 2020/11/4 23:46
 */
public class BJPepperPizza extends Pizza {
    @Override
    public void prepare() {
        setName("北京胡椒披萨");
        System.out.println("准备北京胡椒披萨原材料");
    }
}


package com.hy.factory.absfactory.pizzastore.pizza;

/**
 * @author hanyong
 * @date 2020/11/4 23:44
 */
public class BJCheesePizza extends Pizza {
    @Override
    public void prepare() {
        setName("北京奶酪披");
        System.out.println("准备北京奶酪披萨的原材料");
    }
}


package com.hy.factory.absfactory.pizzastore.order;

import com.hy.factory.absfactory.pizzastore.pizza.Pizza;

/**
 * @author hanyong
 * @date 2020/11/5 23:45
 */
public interface AbsFactory {
    //让下面的工厂子类来 具体实现
    public Pizza createPizza(String orderType);
}


package com.hy.factory.absfactory.pizzastore.order;

import com.hy.factory.absfactory.pizzastore.pizza.BJCheesePizza;
import com.hy.factory.absfactory.pizzastore.pizza.BJPepperPizza;
import com.hy.factory.absfactory.pizzastore.pizza.Pizza;

/**
 * @author hanyong
 * @date 2020/11/5 23:52
 */
public class BJFactory implements AbsFactory {
    @Override
    public Pizza createPizza(String orderType) {
        System.out.println("~使用的是抽象工厂模式~");
        // TODO Auto-generated method stub
        Pizza pizza = null;
        if(orderType.equals("cheese")) {
            pizza = new BJCheesePizza();
        } else if (orderType.equals("pepper")){
            pizza = new BJPepperPizza();
        }
        return pizza;

    }
}


package com.hy.factory.absfactory.pizzastore.order;

import com.hy.factory.absfactory.pizzastore.pizza.LDCheesePizza;
import com.hy.factory.absfactory.pizzastore.pizza.LDPepperPizza;
import com.hy.factory.absfactory.pizzastore.pizza.Pizza;

/**
 * @author hanyong
 * @date 2020/11/5 23:54
 */
public class LDFactory implements AbsFactory {
    @Override
    public Pizza createPizza(String orderType) {
        System.out.println("~使用的是抽象工厂模式~");
        Pizza pizza = null;
        if (orderType.equals("cheese")) {
            pizza = new LDCheesePizza();
        } else if (orderType.equals("pepper")) {
            pizza = new LDPepperPizza();
        }
        return pizza;
    }
}


package com.hy.factory.absfactory.pizzastore.order;


import com.hy.factory.absfactory.pizzastore.pizza.Pizza;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * @author hanyong
 * @date 2020/11/5 23:57
 */
public class OrderPizza {
    AbsFactory factory;

    public OrderPizza(AbsFactory factory) {
        setFactory(factory);
    }

    private void setFactory(AbsFactory factory) {
        this.factory = factory;
        Pizza pizza = null;
        String orderType = "";
        do {
            orderType = getType();
            pizza = factory.createPizza(orderType);
            if (pizza != null) { // 订购ok
                pizza.prepare();
                pizza.bake();
                pizza.cut();
                pizza.box();
            } else {
                System.out.println("订购失败");
                break;
            }


        } while (true);

    }


    private String getType() {

        try {
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
            System.out.println("input pizza 种类:");
            String str = bufferedReader.readLine();
            return str;
        } catch (IOException e) {
            e.printStackTrace();
            return "";
        }

    }
}


package com.hy.factory.absfactory.pizzastore.order;

/**
 * @author hanyong
 * @date 2020/11/6 0:08
 */
public class PizzaStore {
    public static void main(String[] args) {
        new OrderPizza(new LDFactory());
    }
}