Implement Factory Method Design Pattern

Design Patterns/src/factory/Main.java

@@ -0,0 +1,35 @@
+package factory;
+
+import factory.chicago.ChicagoPizzaStore;
+import factory.ny.NYPizzaStore;
+
+public class Main {
+	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 ordered a " + pizza.getName() + "\n");
+
+		pizza = nyStore.orderPizza("clam");
+		System.out.println("Ethan ordered a " + pizza.getName() + "\n");
+ 
+		pizza = chicagoStore.orderPizza("clam");
+		System.out.println("Joel ordered a " + pizza.getName() + "\n");
+
+		pizza = nyStore.orderPizza("pepperoni");
+		System.out.println("Ethan ordered a " + pizza.getName() + "\n");
+ 
+		pizza = chicagoStore.orderPizza("pepperoni");
+		System.out.println("Joel ordered a " + pizza.getName() + "\n");
+
+		pizza = nyStore.orderPizza("veggie");
+		System.out.println("Ethan ordered a " + pizza.getName() + "\n");
+ 
+		pizza = chicagoStore.orderPizza("veggie");
+		System.out.println("Joel ordered a " + pizza.getName() + "\n");
+	}
+}

Design Patterns/src/factory/Pizza.java

@@ -0,0 +1,64 @@
+package factory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class Pizza {
+	private String name;
+	private String dough;
+	private String sauce;
+	private final List<String> toppings = new ArrayList<>();
+ 
+	public void prepare() {
+		System.out.println("Preparing " + name);
+		System.out.println("Tossing dough...");
+		System.out.println("Adding sauce...");
+		System.out.println("Adding toppings: ");
+		for (String topping : toppings) {
+			System.out.println("   " + topping);
+		}
+	}
+  
+	public void bake() {
+		System.out.println("Bake for 25 minutes at 350");
+	}
+ 
+	public void cut() {
+		System.out.println("Cutting the pizza into diagonal slices");
+	}
+  
+	public void box() { System.out.println("Place pizza in official PizzaStore box"); }
+
+	public String getName() { return name; }
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public void setDough(String dough) {
+		this.dough = dough;
+	}
+
+	public void setSauce(String sauce) {
+		this.sauce = sauce;
+	}
+
+	public List<String> getToppings() {
+		return toppings;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder display = new StringBuilder();
+		display.append("---- ").append(name).append(" ----\n");
+		display.append(dough).append("\n");
+		display.append(sauce).append("\n");
+		for (String topping : toppings) {
+			display.append(topping).append("\n");
+		}
+		return display.toString();
+	}
+}
+
+ 
+ 

Design Patterns/src/factory/PizzaStore.java

@@ -0,0 +1,18 @@
+package factory;
+
+public abstract class PizzaStore {
+ 
+	public abstract Pizza createPizza(String item);
+ 
+	public Pizza orderPizza(String type) {
+		Pizza pizza = createPizza(type);
+
+		System.out.println("--- Making a " + pizza.getName() + " ---");
+		pizza.prepare();
+		pizza.bake();
+		pizza.cut();
+		pizza.box();
+
+		return pizza;
+	}
+}

Design Patterns/src/factory/chicago/ChicagoPizzaStore.java

@@ -0,0 +1,18 @@
+package factory.chicago;
+
+import factory.Pizza;
+import factory.PizzaStore;
+
+public class ChicagoPizzaStore extends PizzaStore {
+
+	@Override
+	public Pizza createPizza(String item) {
+		return switch (item) {
+			case "cheese" -> new ChicagoStyleCheesePizza();
+			case "veggie" -> new ChicagoStyleVeggiePizza();
+			case "clam" -> new ChicagoStyleClamPizza();
+			case "pepperoni" -> new ChicagoStylePepperoniPizza();
+			default -> null;
+		};
+	}
+}

Design Patterns/src/factory/chicago/ChicagoStyleCheesePizza.java

@@ -0,0 +1,19 @@
+package factory.chicago;
+
+import factory.Pizza;
+
+public class ChicagoStyleCheesePizza extends Pizza {
+
+	public ChicagoStyleCheesePizza() { 
+		setName("Chicago Style Deep Dish Cheese Pizza");
+		setDough("Extra Thick Crust Dough");
+		setSauce("Plum Tomato Sauce");
+
+		getToppings().add("Shredded Mozzarella Cheese");
+	}
+ 
+	@Override
+	public void cut() {
+		System.out.println("Cutting the pizza into square slices");
+	}
+}

Design Patterns/src/factory/chicago/ChicagoStyleClamPizza.java

@@ -0,0 +1,20 @@
+package factory.chicago;
+
+import factory.Pizza;
+
+public class ChicagoStyleClamPizza extends Pizza {
+
+	public ChicagoStyleClamPizza() {
+		setName("Chicago Style Clam Pizza");
+		setDough("Extra Thick Crust Dough");
+		setSauce("Plum Tomato Sauce");
+ 
+		getToppings().add("Shredded Mozzarella Cheese");
+		getToppings().add("Frozen Clams from Chesapeake Bay");
+	}
+ 
+	@Override
+	public void cut() {
+		System.out.println("Cutting the pizza into square slices");
+	}
+}

Design Patterns/src/factory/chicago/ChicagoStylePepperoniPizza.java

@@ -0,0 +1,23 @@
+package factory.chicago;
+
+import factory.Pizza;
+
+public class ChicagoStylePepperoniPizza extends Pizza {
+
+	public ChicagoStylePepperoniPizza() {
+		setName("Chicago Style Pepperoni Pizza");
+		setDough("Extra Thick Crust Dough");
+		setSauce("Plum Tomato Sauce");
+ 
+		getToppings().add("Shredded Mozzarella Cheese");
+		getToppings().add("Black Olives");
+		getToppings().add("Spinach");
+		getToppings().add("Eggplant");
+		getToppings().add("Sliced Pepperoni");
+	}
+ 
+	@Override
+	public void cut() {
+		System.out.println("Cutting the pizza into square slices");
+	}
+}

Design Patterns/src/factory/chicago/ChicagoStyleVeggiePizza.java

@@ -0,0 +1,22 @@
+package factory.chicago;
+
+import factory.Pizza;
+
+public class ChicagoStyleVeggiePizza extends Pizza {
+
+	public ChicagoStyleVeggiePizza() {
+		setName("Chicago Deep Dish Veggie Pizza");
+		setDough("Extra Thick Crust Dough");
+		setSauce("Plum Tomato Sauce");
+
+		getToppings().add("Shredded Mozzarella Cheese");
+		getToppings().add("Black Olives");
+		getToppings().add("Spinach");
+		getToppings().add("Eggplant");
+	}
+ 
+	@Override
+	public void cut() {
+		System.out.println("Cutting the pizza into square slices");
+	}
+}

Design Patterns/src/factory/ny/NYPizzaStore.java

@@ -0,0 +1,18 @@
+package factory.ny;
+
+import factory.Pizza;
+import factory.PizzaStore;
+
+public class NYPizzaStore extends PizzaStore {
+
+	@Override
+	public Pizza createPizza(String item) {
+		return switch (item) {
+			case "cheese" -> new NYStyleCheesePizza();
+			case "veggie" -> new NYStyleVeggiePizza();
+			case "clam" -> new NYStyleClamPizza();
+			case "pepperoni" -> new NYStylePepperoniPizza();
+			default -> null;
+		};
+	}
+}

Design Patterns/src/factory/ny/NYStyleCheesePizza.java

@@ -0,0 +1,14 @@
+package factory.ny;
+
+import factory.Pizza;
+
+public class NYStyleCheesePizza extends Pizza {
+
+	public NYStyleCheesePizza() { 
+		setName("NY Style Sauce and Cheese Pizza");
+		setDough("Thin Crust Dough");
+		setSauce("Marinara Sauce");
+
+		getToppings().add("Grated Reggiano Cheese");
+	}
+}

Design Patterns/src/factory/ny/NYStyleClamPizza.java

@@ -0,0 +1,15 @@
+package factory.ny;
+
+import factory.Pizza;
+
+public class NYStyleClamPizza extends Pizza {
+
+	public NYStyleClamPizza() {
+		setName("NY Style Clam Pizza");
+		setDough("Thin Crust Dough");
+		setSauce("Marinara Sauce");
+
+		getToppings().add("Grated Reggiano Cheese");
+		getToppings().add("Fresh Clams from Long Island Sound");
+	}
+}

Design Patterns/src/factory/ny/NYStylePepperoniPizza.java

@@ -0,0 +1,19 @@
+package factory.ny;
+
+import factory.Pizza;
+
+public class NYStylePepperoniPizza extends Pizza {
+
+	public NYStylePepperoniPizza() {
+		setName("NY Style Pepperoni Pizza");
+		setDough("Thin Crust Dough");
+		setSauce("Marinara Sauce");
+
+		getToppings().add("Grated Reggiano Cheese");
+		getToppings().add("Sliced Pepperoni");
+		getToppings().add("Garlic");
+		getToppings().add("Onion");
+		getToppings().add("Mushrooms");
+		getToppings().add("Red Pepper");
+	}
+}

Design Patterns/src/factory/ny/NYStyleVeggiePizza.java

@@ -0,0 +1,18 @@
+package factory.ny;
+
+import factory.Pizza;
+
+public class NYStyleVeggiePizza extends Pizza {
+
+	public NYStyleVeggiePizza() {
+		setName("NY Style Veggie Pizza");
+		setDough("Thin Crust Dough");
+		setSauce("Marinara Sauce");
+
+		getToppings().add("Grated Reggiano Cheese");
+		getToppings().add("Garlic");
+		getToppings().add("Onion");
+		getToppings().add("Mushrooms");
+		getToppings().add("Red Pepper");
+	}
+}