Pizza Factory design in Java

Design patterns used:

1.     Abstract Factory,

2.     Template method pattern (to define the preparation sequence).

VeggiePizza.java

package com.pizza.factory;

public class VeggiePizza extends Pizza {

     public VeggiePizza() {

           name = "Veggie Pizza";

           dough = "Crust";

           sauce = "Marinara sauce";

           toppings.add("Shredded mozzarella");

           toppings.add("Grated parmesan");

           toppings.add("Diced onion");

           toppings.add("Sliced mushrooms");

           toppings.add("Sliced red pepper");

           toppings.add("Sliced black olives");

     }

     @Override

     public void prepare() {

           System.out.println("Add Veggie !!");

     }

     @Override

     public void bake() {

           System.out.println("Bake Veggie Pizza !!");

     }

     @Override

     public void cut() {

           System.out.println("Cut Veggie Pizza !!");

     }

     @Override

     public void pack() {

           System.out.println("Pack Veggie Pizza !!");

     }

}

CheesePizza.java

package com.pizza.factory;

public class CheesePizza extends Pizza {

    

     public CheesePizza() {

           name = "Cheese Pizza";

           dough = "Regular Crust";

           sauce = "Marinara Pizza Sauce";

           toppings.add("Fresh Mozzarella");

           toppings.add("Parmesan");

     }

     @Override

     public void prepare() {

           System.out.println("Add Cheese !!");

          

     }

     @Override

     public void bake() {

           System.out.println("Bake Cheese Pizza !!");

          

     }

     @Override

     public void cut() {

           System.out.println("Cut Cheese Pizza !!");

          

     }

     @Override

     public void pack() {

           System.out.println("Pack Cheese Pizza !!");

     }

}

Pizza.java

package com.pizza.factory;

import java.util.ArrayList;

public abstract class Pizza {

     

      String name;

      String dough;

      String sauce;

      ArrayList<String> toppings = new ArrayList<String>();

     

     

    /**

     * Template method Pattern - Sequence of processes.

     * To define the sequence to prepare Pizza.

     */

    public final void templatePizzaPrepare() {

     

      /*Step#1. prepare Pizza integrants */

      prepare();

     

      /*Step#2. bake the Pizza. */

      bake();

     

      /*Step#3. cut the slice of Pizza. */

      cut();

     

      /*Step#4. pack the Pizza. */

      pack();

    }

      public abstract void prepare();

     

      public abstract void bake();

     

      public abstract void cut();

     

      public abstract void pack();

}

SimplePizzaFactory.java

package com.pizza.factory;

public class SimplePizzaFactory {

    

     public static Pizza orderPizza(String type) {

          

           Pizza pizza = null;

          

           if("cheese".equals(type)) {

                pizza = new CheesePizza();

           } else if ("veggie".equals(type)) {

                pizza = new VeggiePizza();

           }

          

           pizza.templatePizzaPrepare();

           return pizza;

     }

}

PizzaStore.java

package com.pizza.factory;

public class PizzaStore {

     public static void main(String[] args) {

           Pizza pizza  = SimplePizzaFactory.orderPizza("cheese");

          

           System.out.println("\nPizza ready : "+ pizza.name);

          

           /*pizza  = SimplePizzaFactory.createPizza("veggie");

           System.out.println("Pizza type : "+ pizza);*/

     }

}