|
1 package org.springframework.samples.jpetstore.web.spring;
2
3 import java.util.Iterator  ;
4
5 import javax.servlet.http.HttpServletRequest ;
6 import javax.servlet.http.HttpServletResponse ;
7
8 import org.springframework.samples.jpetstore.domain.Cart;
9 import org.springframework.samples.jpetstore.domain.CartItem;
10 import org.springframework.web.servlet.ModelAndView;
11 import org.springframework.web.servlet.mvc.Controller;
12 import org.springframework.web.util.WebUtils;
13
14
18 public class UpdateCartQuantitiesController implements Controller {
19
20 public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
21 Cart cart = (Cart) WebUtils.getOrCreateSessionAttribute(request.getSession(), "sessionCart", Cart.class);
22 Iterator cartItems = cart.getAllCartItems();
23 while (cartItems.hasNext()) {
24 CartItem cartItem = (CartItem) cartItems.next();
25 String itemId = cartItem.getItem().getItemId();
26 try {
27 int quantity = Integer.parseInt(request.getParameter(itemId));
28 cart.setQuantityByItemId(itemId, quantity);
29 if (quantity < 1) {
30 cartItems.remove();
31 }
32 }
33 catch (NumberFormatException e) {
34 }
36 }
37 return new ModelAndView("Cart", "cart", cart);
38 }
39
40 }
41 |
Popular Tags |
Java API By Example, From Geeks To Geeks.