SSD3-Exercise4

import java.io.*; import java.util.*; import java.text.*; /** * This class implements a gourmet coffee system. * * @author author name * @version 1.1.0 * @see Product * @see Coffee * @see CoffeeBrewer * @see Catalog * @see OrderItem * @see Order */ public class GourmetCoffee { private static BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in)); private static PrintWriter stdOut = new PrintWriter(System.out, true); private static PrintWriter stdErr = new PrintWriter(System.err, true); private static final NumberFormat CURRENCY = NumberFormat.getCurrencyInstance(); private Catalog catalog; private Order currentOrder; private Sales sales; /** * Loads data into the catalog and starts the application. * * @param args String arguments. Not used. * @throws IOException if there are errors in the input. */ public static void main(String[] args) throws IOException { GourmetCoffee application = new GourmetCoffee(); application.run(); } /** * Constructs a <code>GourmetCoffee</code> object and * initializes the catalog and sales data. * * @param initialCatalog a product catalog */ private GourmetCoffee() { this.catalog = loadCatalog(); this.sales = loadSales(this.catalog); this.currentOrder = new Order(); } /** * Creates an empty catalog and then add products to it. * * @return a product catalog */ private Catalog loadCatalog() { Catalog catalog = new Catalog(); catalog.addProduct(new Coffee( "C001", "Colombia, Whole, 1 lb", 17.99, "Colombia", "Medium", "Rich and Hearty", "Rich", "Medium", "Full")); catalog.addProduct(new Coffee( "C002", "Colombia, Ground, 1 lb", 18.75, "Colombia", "Medium", "Rich and Hearty", "Rich", "Medium","Full")); catalog.addProduct(new Coffee( "C003", "Italian Roasts, Whole, 1 lb", 16.80, "Latin American Blend", "Italian Roast", "Dark and heavy", "Intense", "Low", "Medium")); catalog.addProduct(new Coffee( "C004", "Italian Roasts, Ground, 1 lb", 17.55, "Latin American Blend", "Italian Roast", "Dark and heavy", "Intense", "Low", "Medium")); catalog.addProduct(new Coffee( "C005", "French Roasts, Whole, 1 lb", 16.80, "Latin American Blend", "French Roast", "Bittersweet, full intense", "Intense, full", "None", "Medium")); catalog.addProduct(new CoffeeBrewer( "B001", "Home Coffee Brewer", 150.00, "Brewer 100", "Pourover", 6)); catalog.addProduct(new CoffeeBrewer( "B002", "Coffee Brewer, 2 Warmers", 200.00, "Brewer 200", "Pourover", 12)); catalog.addProduct(new CoffeeBrewer( "B003", "Coffee Brewer, 3 Warmers", 280.00, "Brewer 210", "Pourover", 12)); catalog.addProduct( new Product("A001", "Almond Flavored Syrup", 9.00)); catalog.addProduct( new Product("A002", "Irish Creme Flavored Syrup", 9.00)); catalog.addProduct( new Product("A003", "Mint Flavored syrup", 9.00)); catalog.addProduct( new Product("A004", "Caramel Flavored Syrup", 9.00)); catalog.addProduct( new Product("A005", "Gourmet Coffee Cookies", 12.00)); return catalog; } /** * Initializes the sales object. */ private Sales loadSales(Catalog catalog) { Sales sales = new Sales(); Order[] orders = new Order[6]; orders[0] = new Order(); orders[0].addItem(new OrderItem(catalog.getProduct("C001"), 5)); sales.addOrder(orders[0]); orders[1] = new Order(); orders[1].addItem(new OrderItem(catalog.getProduct("C002"), 2)); orders[1].addItem(new OrderItem(catalog.getProduct("A001"), 2)); orders[1].addItem(new OrderItem(catalog.getProduct("A003"), 2)); sales.addOrder(orders[1]); orders[2] = new Order(); orders[2].addItem(new OrderItem(catalog.getProduct("B002"), 1)); orders[2].addItem(new OrderItem(catalog.getProduct("A003"), 3)); sales.addOrder(orders[2]); orders[3] = new Order(); orders[3].addItem(new OrderItem(catalog.getProduct("B003"), 2)); orders[3].addItem(new OrderItem(catalog.getProduct("C001"), 3)); orders[3].addItem(new OrderItem(catalog.getProduct("C003"), 3)); orders[3].addItem(new OrderItem(catalog.getProduct("C005"), 3)); orders[3].addItem(new OrderItem(catalog.getProduct("A001"), 3)); orders[3].addItem(new OrderItem(catalog.getProduct("A004"), 2)); sales.addOrder(orders[3]); orders[4] = new Order(); orders[4].addItem(new OrderItem(catalog.getProduct("B001"), 1)); orders[4].addItem(new OrderItem(catalog.getProduct("C002"), 2)); orders[4].addItem(new OrderItem(catalog.getProduct("C003"), 2)); orders[4].addItem(new OrderItem(catalog.getProduct("A001"), 2)); orders[4].addItem(new OrderItem(catalog.getProduct("A002"), 6)); sales.addOrder(orders[4]); orders[5] = new Order(); orders[5].addItem(new OrderItem(catalog.getProduct("B001"), 1)); orders[5].addItem(new OrderItem(catalog.getProduct("C001"), 1)); orders[5].addItem(new OrderItem(catalog.getProduct("C005"), 5)); orders[5].addItem(new OrderItem(catalog.getProduct("A001"), 5)); orders[5].addItem(new OrderItem(catalog.getProduct("A004"), 4)); sales.addOrder(orders[5]); return sales; } /* * Presents the user with a menu of options and executes the * selected task. */ private void run() throws IOException { int choice = getChoice(); while (choice != 0) { if (choice == 1) { displayCatalog(); } else if (choice == 2) { displayProductInfo(); } else if (choice == 3) { displayOrder(); } else if (choice == 4) { addModifyProduct(); } else if (choice == 5) { removeProduct(); } else if (choice == 6) { saleOrder(); } else if (choice == 7) { displayOrdersSold(); } else if (choice == 8) { displayNumberOfOrders(readProduct()); } else if (choice == 9) { displayTotalQuantityOfProducts(); } choice = getChoice(); } } /* * Displays a menu of options and verifies the user's choice. * * @return an integer in the range [0,7] */ private int getChoice() throws IOException { int input; do { try { stdErr.println(); stdErr.print( "[0] Quit\n" + "[1] Display catalog\n" + "[2] Display product\n" + "[3] Display current order\n" + "[4] Add|modify product to|in current order\n" + "[5] Remove product from current order\n" + "[6] Register sale of current order\n" + "[7] Display sales\n" + "[8] Display number of orders with a specific product\n" + "[9] Display the total quantity sold for each product\n" + "choice> "); stdErr.flush(); input = Integer.parseInt(stdIn.readLine()); stdErr.println(); if (0 <= input && 9 >= input) { break; } else { stdErr.println("Invalid choice: " + input); } } catch (NumberFormatException nfe) { stdErr.println(nfe); } } while (true); return input; } /** * Displays the catalog. */ public void displayCatalog() { int size = this.catalog.getNumberOfProducts(); if (size == 0) { stdErr.println("The catalog is empty"); } else { for (Product product : this.catalog) { stdOut.println(product.getCode() + " " + product.getDescription()); } } } /** * Displays the information of a product */ public void displayProductInfo() throws IOException { Product product = readProduct(); stdOut.println(" Description: " + product.getDescription()); stdOut.println(" Price: " + product.getPrice()); if (product instanceof Coffee) { Coffee coffee = (Coffee) product; stdOut.println(" Origin: " + coffee.getOrigin()); stdOut.println(" Roast: " + coffee.getRoast()); stdOut.println(" Flavor: " + coffee.getFlavor()); stdOut.println(" Aroma: " + coffee.getAroma()); std