Beginner here. So here a sample of my code for you to stalk:
/// if addToCart action is called
if (userPath.equals("/addToCart")) {
// if user is adding item to cart for first time
// create cart object and attach it to user session
if (cart == null) {
cart = new ShoppingCart();
session.setAttribute("cart", cart);
}
// get user input from request
String productId = request.getParameter("productId");
if (!productId.isEmpty()) {
Product product = productFacade.find(Integer.parseInt(productId));
cart.addItem(product);
}
userPath = "/category";
// if updateCart action is called
} else if (userPath.equals("/updateCart")) {
// get input from request
String productId = request.getParameter("productId");
String quantity = request.getParameter("quantity");
Product product = productFacade.find(Integer.parseInt(productId));
cart.update(product, quantity);
userPath = "/cart";
}
The IDE ignores the first value "/category" and assign "/cart" instead. This problem causes the application to behave strangely. For instance, when user clicks on add to cart in the browser, instead of staying on category page, it will go directly to the cart...
I need to use the unused value
... How do I fix this? I have tried few things around but without success so far... It is very strange indeed... First time I run into this issue...
EDIT
Some progress... Yesterday I spent an entire day trying to solve the issue which is still unsolved...
Could it be a bug that needs to be reported?
The fixes I tried so far:
- Deleted the unused values... and retyped them which obviously did not do anything...
- Played around with the brackets
{}(worth a try)... Changed the code a bit and called the values at the beginning of the class like this:
@WebServlet(name = "Controller", loadOnStartup = 1, urlPatterns = {"/category", "/addToCart",etc..
I'm thinking it has something to do with the statements not being closed somewhere? Since the one that gets assigned is the very last statement ignoring the ones before...
2nd EDIT on request
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String userPath = request.getServletPath();
HttpSession session = request.getSession();
ShoppingCart cart = (ShoppingCart) session.getAttribute("cart");
Wishlist wishlist = (Wishlist) session.getAttribute("wishlist");
/// if addToCart action is called
if (userPath.equals("/addToCart")) {
// if user is adding item to cart for first time
// create cart object and attach it to user session
if (cart == null) {
cart = new ShoppingCart();
session.setAttribute("cart", cart);
}
// get user input from request
String productId = request.getParameter("productId");
if (!productId.isEmpty()) {
Product product = productFacade.find(Integer.parseInt(productId));
cart.addItem(product);
}
userPath = "/category"; => UNUSED VALUE
// if updateCart action is called
} else if (userPath.equals("/updateCart")) {
// get input from request
String productId = request.getParameter("productId");
String quantity = request.getParameter("quantity");
Product product = productFacade.find(Integer.parseInt(productId));
cart.update(product, quantity);
userPath = "/cart"; => UNUSED VALUE
// if addToWishlist action is called
} else if (userPath.equals("/addToWishlist")) {
// if user is adding item to wishlist for first time
// create wishlist object and attach it to user session
if (wishlist == null) {
wishlist = new Wishlist();
session.setAttribute("wishlist", wishlist);
}
// get user input from request
String productId = request.getParameter("productId");
if (!productId.isEmpty()) {
Product product = productFacade.find(Integer.parseInt(productId));
wishlist.addItem(product);
}
userPath = "/category"; => UNUSED VALUE
// if updateWishlist action is called
} else if (userPath.equals("/updateWishlist")) {
// get input from request
String productId = request.getParameter("productId");
String quantity = request.getParameter("quantity");
Product product = productFacade.find(Integer.parseInt(productId));
wishlist.update(product, quantity);
userPath = "/wishlist"; => UNUSED VALUE
// if purchase action is called
} else if (userPath.equals("/purchase")) {
// extract user data from request
String first_name = request.getParameter("first_name");
String last_name = request.getParameter("last_name");
String phone = request.getParameter("phone");
String email = request.getParameter("email");
String address_1 = request.getParameter("address_1");
String address_2 = request.getParameter("address_2");
String city = request.getParameter("city");
String State_Province_Region = request.getParameter("State_Province_Region");
String Postal_Zip_Code = request.getParameter("Postal_Zip_Code");
String country = request.getParameter("Country");
int orderId = 0;
// save order to database
// get order details
Map orderMap = orderManager.getOrderDetails(orderId);
// place order details in request scope
request.setAttribute("customer", orderMap.get("customer"));
request.setAttribute("products", orderMap.get("products"));
request.setAttribute("orderRecord", orderMap.get("orderRecord"));
request.setAttribute("orderedProducts", orderMap.get("orderedProducts"));
}
userPath = "/confirmation"; => USED VALUE FOR ALL OTHER ACTIONS BEFORE.
In other words, the IDE uses the last
userPathwhich is /confirmation for all otheruserPathbefore him. So whether I click on/addToCart,/updateCart,/addToWishlist,/updateWishlist, the userPath that is assigned is the last userPath/confirmationwhich means everything is redirected to the confirmation page and it is not supposed to be this way. All other userPath are being ignored and set asunused value... I dont know how to fix this issue.
