/**
* Seeds the catalog with test products.
*
* @param catalog Catalog to seed
*/
private static void seedCatalog(Catalog catalog, PropertyChangeListener productListener) {
for (int i = 0; i < NUM_PRODUCTS; i++) {
Product product = GeneralFactory.createProduct();
product.addPropertyChangeListener(productListener);
// define the product and add to the catalog
product.setId(IDS[i]);
product.setName(NAMES[i]);
product.setDescription(DESCRIPTIONS[i]);
product.setPrice(PRICES[i]);
catalog.addProduct(product);
}
}
/**
* Create a new Customer instance.
*
* @return A Customer instance
*/
private static Customer createCustomer(PropertyChangeListener listener) {
Customer customer = GeneralFactory.createCustomer();
customer.addPropertyChangeListener(listener);
// define the customer
customer.setId("1");
customer.setName("Matt Gilman");
customer.setStreet("123 Street Rd");
customer.setCity("City");
customer.setZip("12345");
customer.setPhone("123-4567");
customer.setPassword("1234");
return customer;
}
/**
* Main entry point of homework 1.
*
* @param args Command line ares - ignored
*/
public static void main(String[] args) {
// create the catalog
Catalog catalog = GeneralFactory.createCatalog();
catalog.addPropertyChangeListener(GeneralFactory.createPropertyListener("Catalog"));
// seed the catalog and populate the inventory
seedCatalog(catalog, GeneralFactory.createPropertyListener("Product"));
// create the subjects...
ProductHolder cart = GeneralFactory.createProductHolder();
cart.setCatalog(catalog);
ProductHolder inventory = GeneralFactory.createProductHolder();
inventory.setCatalog(catalog);
ProductHolder boughtItems = GeneralFactory.createProductHolder();
boughtItems.setCatalog(catalog);
// register property listener
cart.addPropertyChangeListener(GeneralFactory.createPropertyListener("Cart"));
inventory.addPropertyChangeListener(GeneralFactory.createPropertyListener("Inventory"));
boughtItems.addPropertyChangeListener(GeneralFactory.createPropertyListener("BoughtItems"));
// create the customer
Customer customer = createCustomer(GeneralFactory.createPropertyListener("Customer"));
customer.setCart(cart);
customer.setBoughtItems(boughtItems);
// populate the inventory
populateInventory(inventory);
// add the catalog to the product holders
cart.setCatalog(catalog);
inventory.setCatalog(catalog);
boughtItems.setCatalog(catalog);
// create the CommandListener's
CommandListener cartUpdater = CommandListenerFactory.createCartUpdater(cart);
CommandListener customerUpdater = CommandListenerFactory.createCustomerUpdater(customer);
CommandListener customerCartUpdater =
CommandListenerFactory.createCustomerCartUpdater(cartUpdater, customerUpdater);
CommandListener inventoryUpdater = CommandListenerFactory.createInventoryUpdater(inventory);
// create the Client and add each listener
Client client = GeneralFactory.createClient();
client.addCommandListener(customerCartUpdater);
client.addCommandListener(inventoryUpdater);
client.addCommandListener(GeneralFactory.createLogHandler(catalog));
// verify empty state
System.out.println("Cart is empty: " + cart.isEmpty());
System.out.println("Bought items is empty: " + boughtItems.isEmpty());
// ensure inventory quantity is correct
System.out.println(
String.format(
INVENTORY_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
2,
inventory.getQuantity(TEST_PRODUCT_ID)));
// add some products to the cart
client.addToCart("1", 2);
client.addToCart("9", 1);
client.addToCart(TEST_PRODUCT_ID, 2);
// verify empty state
System.out.println("Cart is empty: " + cart.isEmpty());
System.out.println("Bought items is empty: " + boughtItems.isEmpty());
// ensure the cart quantity is correct
System.out.println(
String.format(
CART_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
2,
cart.getQuantity(TEST_PRODUCT_ID)));
// ensure the cart total is correct
System.out.println(String.format(CART_TOTAL_EXPECTED_MSG, cart.getTotalValue(), 3000));
// ensure the inventory total is correct
System.out.println(
String.format(
INVENTORY_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
0,
inventory.getQuantity(TEST_PRODUCT_ID)));
// purchase the cart
client.purchaseCart();
// verify empty state
System.out.println("Cart is empty: " + cart.isEmpty());
System.out.println("Bought items is empty: " + boughtItems.isEmpty());
// ensure the cart is now empty
System.out.println(
String.format(
CART_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
0,
cart.getQuantity(TEST_PRODUCT_ID)));
// ensure the bought items is correct
System.out.println(
String.format(
BOUGHT_ITEMS_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
2,
boughtItems.getQuantity(TEST_PRODUCT_ID)));
// return the bought items
Map<String, Integer> itemsToReturn = GeneralFactory.createMap(boughtItems.getQuantities());
client.returnPurchaseToCart(itemsToReturn);
// ensure the bought items is correct
System.out.println(
String.format(
BOUGHT_ITEMS_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
0,
boughtItems.getQuantity(TEST_PRODUCT_ID)));
// ensure the cart has items again
System.out.println(
String.format(
CART_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
2,
cart.getQuantity(TEST_PRODUCT_ID)));
// remove one of product id 5
client.removeFromCart(TEST_PRODUCT_ID, 1);
// ensure the cart now only has 1 of product id 5
System.out.println(
String.format(
CART_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
1,
cart.getQuantity(TEST_PRODUCT_ID)));
// verify inventory state
System.out.println(
String.format(
INVENTORY_EXPECTED_MSG,
catalog.getProduct(TEST_PRODUCT_ID),
1,
inventory.getQuantity(TEST_PRODUCT_ID)));
}