工厂模式-D- 抽象工厂模式

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package D_Factory.d;

public class CheesePizza extends Pizza {
PizzaIngredientFactory ingredientFactory;

public CheesePizza(PizzaIngredientFactory ingredientFactory) {    this.ingredientFactory = ingredientFactory;}@Overridepublic void prepare() {    dough = ingredientFactory.createDough();    sauce = ingredientFactory.createSauce();    cheese = ingredientFactory.createCheese();}

}
package D_Factory.d;

public class CheesePizza extends Pizza {
PizzaIngredientFactory ingredientFactory;

public CheesePizza(PizzaIngredientFactory ingredientFactory) {    this.ingredientFactory = ingredientFactory;}@Overridepublic void prepare() {    dough = ingredientFactory.createDough();    sauce = ingredientFactory.createSauce();    cheese = ingredientFactory.createCheese();}

}
package D_Factory.d;

public class ClamPizza extends Pizza {
PizzaIngredientFactory ingredientFactory;

public ClamPizza(PizzaIngredientFactory ingredientFactory) {    this.ingredientFactory = ingredientFactory;}@Overridepublic void prepare() {    //需要的材料跟工厂要，不同风味的披萨可以使用原料工厂处理地区差异,而不需要设计不同的类进行处理    dough = ingredientFactory.createDough();    sauce = ingredientFactory.createSauce();    cheese = ingredientFactory.createCheese();    cheese = ingredientFactory.createClam();}

}
package D_Factory.d;

public interface Dough {

}
package D_Factory.d;

public class NYPizzaIngredientFactory implements PizzaIngredientFactory {

// 可以创建具体的dough材料public Dough createDough() {    return new ThickCrustDough();}public String createSauce() {    return null;}public String createCheese() {    return null;}public String createClam() {    return null;}

}

class ThickCrustDough implements Dough {

}
package D_Factory.d;

/*
* 需要的材料跟工厂要，不同风味的披萨可以使用原料工厂处理地区差异,而不需要设计不同的类进行处理
*/
public class NYPizzaStore extends PizzaStore {

@Overrideprotected Pizza createPizza(String type) {    PizzaIngredientFactory pizzaIngredientFactory = new NYPizzaIngredientFactory();    Pizza pizza = null;    if (type.equals("cheese")) {        pizza = new CheesePizza(pizzaIngredientFactory);        pizza.setName("cheese");    } else if (type.equals("clam")) {        pizza = new ClamPizza(pizzaIngredientFactory);        pizza.setName("clam");    }    return pizza;}

}
package D_Factory.d;

import D_Factory.d.Dough;

public abstract class Pizza {
public String name;
public Dough dough;
public String sauce;
public String cheese;
public String clam;

public void prepare() {    System.out.println("prepare");}public void bake() {    System.out.println("bake");}public void cut() {    System.out.println("cut");}public void box() {    System.out.println("box");}public void setName(String name) {    this.name = name;}public String getName() {    return name;}

}
package D_Factory.d;

public interface PizzaIngredientFactory {

public Dough createDough();public String createSauce();public String createCheese();public String createClam();

}
package D_Factory.d;

/**
* 由于做披萨做法有差异，使用其他厂商的盒子等等
* 解决让披萨制作局限于pizzaStore类，同时又能让加盟店依然可以自由制作该地区风味的披萨
*/
public abstract class PizzaStore {

public final Pizza orderPizza(String type) {    Pizza pizza;    pizza = createPizza(type);    pizza.prepare();    pizza.bake();    pizza.cut();    pizza.box();    return pizza;}// 让子类决定创建何种口味风格的披萨,此方法如同工厂//工厂方法用来处理对象的创建，并将这样的行为封装在子类中，这样客户程序中关于超类的代码和子类对象创建代码解耦了protected abstract Pizza createPizza(String type);

}

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