Java tutorial
/* * The MIT License * * Copyright 2011 Lou. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package miage.ecom.web.controller; import java.util.List; import javax.servlet.http.HttpSession; import miage.ecom.cart.CartBean; import miage.ecom.entity.Category; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; /** * * @author Lou */ @Controller public class CategoryController extends ApplicationController { public CategoryController() { } @RequestMapping(value = "/categories", method = RequestMethod.GET) public String categories(Model model, HttpSession session) { CartBean cart; if (session.getAttribute("cart") == null) { cart = new CartBean(); } else { cart = (CartBean) session.getAttribute("cart"); session.setAttribute("cart", cart); } model.addAttribute("cartTotalValue", ecomBeanFrontLocal.getTotalValue(cart)); model.addAttribute("nbProducts", ecomBeanFrontLocal.getCartContents(cart).size()); List<Category> categories = categoryFacade.findAll(); model.addAttribute("categories", categories); return "categories"; } @RequestMapping(value = "/categories/{categoryId}", method = RequestMethod.GET) public String category(Model model, HttpSession session, @PathVariable("categoryId") Integer categoryId) { CartBean cart; if (session.getAttribute("cart") == null) { cart = new CartBean(); } else { cart = (CartBean) session.getAttribute("cart"); session.setAttribute("cart", cart); } model.addAttribute("cartTotalValue", ecomBeanFrontLocal.getTotalValue(cart)); model.addAttribute("nbProducts", ecomBeanFrontLocal.getCartContents(cart).size()); List<Category> categories = categoryFacade.findAll(); model.addAttribute("categories", categories); model.addAttribute("category", categoryFacade.find(categoryId)); model.addAttribute("products", productFacadeLocal.findProductsByCategory(categoryId)); return "category"; } }