public Pizza OrderPizza(string type)
{
Pizza pizza;
// - - - - - - THIS IS WHAT VARIES.
switch (type)
{
case "cheese":
pizza = new CheesePizza();
break;
case "pepperoni":
pizza = new PepperoniPizza();
break;
// Note: This code is not close for modification.
// If the pizza offering changes, we have to modify this code.
default:
Console.WriteLine("Invalid pizza type!");
return(null);
}
// - - - - - - - - - - - - - - - - - -
// THIS IS WHAT WE EXPECT TO STAY THE SAME.
pizza.Prepare();
pizza.Bake();
pizza.Cut();
pizza.Box();
return(pizza);
}
public override ProductPizza CreatePizza(string item)
{
ProductPizza pizza = null;
IPizzaIngredientFactory ingredientFactory = new NYPizzaIngredientFactory();
if (item.Equals("Cheese"))
{
pizza = new CheesePizza(ingredientFactory);
pizza.Name = "New York Style Cheese Pizza";
Console.WriteLine("Iftekhar odered a " + pizza.Name);
pizza.Prepare();
}
else if (item.Equals("Veggie"))
{
pizza = new VeggiePizza(ingredientFactory);
pizza.Name = "New York Style Veggie Pizza";
pizza.Prepare();
}
else if (item.Equals("Clam"))
{
pizza = new ClamPizza(ingredientFactory);
pizza.Name = "New York Style Clam Pizza";
pizza.Prepare();
}
else if (item.Equals("Pepperoni"))
{
pizza = new PepperoniPizza(ingredientFactory);
pizza.Name = "New York Style Pepperoni Pizza";
pizza.Prepare();
}
return(pizza);
}
public void PepperoniPizzaPrepareTest()
{
PizzaAbstract Pizza = new PepperoniPizza();
string s = Pizza.Prepare();
Assert.AreEqual("Pepperoni Pizza", s);
}