工厂模式 和抽象工厂

public interface Pizza {
    public void make();
}
public interface PizzaStore {
    public Pizza orderPizza(String item);
}
public class NYStyleCheesePizza implements Pizza{
    @Override
    public void make() {
        System.out.println("NYStyleCheesePizza is making..");
    }
}
public class NYStyleVeggiePizza implements Pizza {
    @Override
    public void make() {
        System.out.println("NYStyleVeggiePizza is making..");
    }
}
public class ChicagoStyleCheesePizza implements Pizza{
    @Override
    public void make() {
        System.out.println("ChicagoStyleCheesePizza is making..");
    }
}
public class ChicagoStyleVeggiePizza implements Pizza{
    @Override
    public void make() {
        System.out.println("ChicagoStyleVeggiePizza is making..");
    }
}
public class NYPizzaStore implements PizzaStore {
    @Override
    public Pizza orderPizza(String item) {
        Pizza pizza = null;
        if (item.equals("cheese")) {
            pizza = new NYStyleCheesePizza();
        } else if (item.equals("veggie")) {
            pizza = new NYStyleVeggiePizza();
        } else {
            throw new UnsupportedOperationException();
        }
        pizza.make();
        return pizza;
    }
}
public class ChicagoPizzaStore implements PizzaStore {
    @Override
    public Pizza orderPizza(String item) {
        Pizza pizza = null;
        if (item.equals("cheese")) {
            pizza = new ChicagoStyleCheesePizza();
        } else if (item.equals("veggie")) {
            pizza = new ChicagoStyleVeggiePizza();
        } else {
            throw new UnsupportedOperationException();
        }
        pizza.make();
        return pizza;
    }
}
public class PizzaTestDrive {
    public static void main(String[] args) {
        PizzaStore nyStore = new NYPizzaStore();
        nyStore.orderPizza("cheese");
        PizzaStore chicagoStore = new ChicagoPizzaStore();
        chicagoStore.orderPizza("cheese");
    }
}

public interface Dough {
    public String doughType();
}
public class ThickCrustDough implements Dough{

    @Override
    public String doughType() {
        return "ThickCrustDough";
    }
}
public class ThinCrustDough implements Dough {
    @Override
    public String doughType() {
        return "ThinCrustDough";
    }
}
public interface Sauce {
    public String sauceType();
}
public class MarinaraSauce implements Sauce {
    @Override
    public String sauceType() {
        return "MarinaraSauce";
    }
}
public class PlumTomatoSauce implements Sauce {
    @Override
    public String sauceType() {
        return "PlumTomatoSauce";
    }
}
public interface PizzaIngredientFactory {
    public Dough createDough();
    public Sauce createSauce();
}
public class NYPizzaIngredientFactory implements PizzaIngredientFactory{
    @Override
    public Dough createDough() {
        return new ThickCrustDough();
    }

    @Override
    public Sauce createSauce() {
        return new MarinaraSauce();
    }
}
public class ChicagoPizzaIngredientFactory implements PizzaIngredientFactory{
    @Override
    public Dough createDough() {
        return new ThinCrustDough();
    }

    @Override
    public Sauce createSauce() {
        return new PlumTomatoSauce();
    }
}
public class NYPizzaStore {
    private PizzaIngredientFactory ingredientFactory;

    public NYPizzaStore() {
        ingredientFactory = new NYPizzaIngredientFactory();
    }

    public void makePizza() {
        Dough dough = ingredientFactory.createDough();
        Sauce sauce = ingredientFactory.createSauce();
        System.out.println(dough.doughType());
        System.out.println(sauce.sauceType());
    }
}
public class NYPizzaStoreTestDrive {
    public static void main(String[] args) {
        NYPizzaStore nyPizzaStore = new NYPizzaStore();
        nyPizzaStore.makePizza();
    }
}