Java设计模式（五） 工厂模式(二)
zzaStore extends PizzaStore {
/**
* @see com.pattern.factory.PizzaStore#createPizza(java.lang.String)
*/
@Override
protected Pizza createPizza(String type) {
if(type.equals("cheese")){
return new NYStyleCheesePizza();
} else if(type.equals("veggie")){
return new NYStyleVeggiePizza();
} else if(type.equals("clam")){
return new NYStyleClamPizza();
} else if(type.equals("pepperoni")){
return new NYStylePepperoniPizza();
} else {
return null;
}
}
}
5，测试类
[html]
package com.pattern.factory;
public class PizzaTestDrive {
public static void main(String[] args) {
PizzaStore nyStore = new NYPizzaStore();
PizzaStore chicagoStore = new ChicagoPizzaStore();
Pizza pizza = nyStore.orderPizza("cheese");
System.out.println("Ethan ordered a "+pizza.getName()+"\n");
pizza = chicagoStore.orderPizza("cheese");
System.out.println("Joel order a "+ pizza.getName()+"\n");
}
}
测试结果：
Prepareing NY Style Sauce and Cheese Pizza
Tossing dough...
Adding sauce...
Adding toppings:
Grated Reggiano Cheese
Bake for 25 minutes at 350
Cutting the pizza into diagonal slices
Place pizza in official PizzaStore box
Ethan ordered a NY Style Sauce and Cheese Pizza
Prepareing Chicago Style Deep Dish Cheese Pizza
Tossing dough...
Adding sauce...
Adding toppings:
Shredded Mozzarella Cheese
Bake for 25 minutes at 350
Cutting the pizza into square slices
Place pizza in official PizzaStore box
Joel order a Chicago Style Deep Dish Cheese Pizza
类图如下所示：
