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1 package org.springframework.samples.jpetstore.web.spring;
2
3 import java.util.HashMap  ;
4 import java.util.Map ;
5
6 import javax.servlet.http.HttpServletRequest ;
7 import javax.servlet.http.HttpServletResponse ;
8
9 import org.springframework.beans.support.PagedListHolder;
10 import org.springframework.samples.jpetstore.domain.Product;
11 import org.springframework.samples.jpetstore.domain.logic.PetStoreFacade;
12 import org.springframework.web.servlet.ModelAndView;
13 import org.springframework.web.servlet.mvc.Controller;
14
15
19 public class ViewProductController implements Controller {
20
21 private PetStoreFacade petStore;
22
23 public void setPetStore(PetStoreFacade petStore) {
24 this.petStore = petStore;
25 }
26
27 public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
28 Map model = new HashMap ();
29 String productId = request.getParameter("productId");
30 if (productId != null) {
31 PagedListHolder itemList = new PagedListHolder(this.petStore.getItemListByProduct(productId));
32 itemList.setPageSize(4);
33 Product product = this.petStore.getProduct(productId);
34 request.getSession().setAttribute("ViewProductAction_itemList", itemList);
35 request.getSession().setAttribute("ViewProductAction_product", product);
36 model.put("itemList", itemList);
37 model.put("product", product);
38 }
39 else {
40 PagedListHolder itemList = (PagedListHolder) request.getSession().getAttribute("ViewProductAction_itemList");
41 Product product = (Product) request.getSession().getAttribute("ViewProductAction_product");
42 String page = request.getParameter("page");
43 if ("next".equals(page)) {
44 itemList.nextPage();
45 }
46 else if ("previous".equals(page)) {
47 itemList.previousPage();
48 }
49 model.put("itemList", itemList);
50 model.put("product", product);
51 }
52 return new ModelAndView("Product", model);
53 }
54
55 }
56 |
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