src/java/org/mxchange/pizzaapplication/beans/product/PizzaProductWebApplicationBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.pizzaapplication.beans.product;
  18
  19 import java.util.Collections;
  20 import java.util.List;
  21 import javax.annotation.PostConstruct;
  22 import javax.enterprise.context.ApplicationScoped;
  23 import javax.enterprise.event.Observes;
  24 import javax.faces.FacesException;
  25 import javax.inject.Named;
  26 import javax.naming.Context;
  27 import javax.naming.InitialContext;
  28 import javax.naming.NamingException;
  29 import org.mxchange.jshopcore.events.product.AddedProductEvent;
  30 import org.mxchange.jshopcore.model.product.Product;
  31 import org.mxchange.jshopcore.model.product.ProductSessionBeanRemote;
  32
  33 /**
  34  * General product controller
  35  * <p>
  36  * @author Roland Haeder<roland@mxchange.org>
  37  */
  38 @Named ("productController")
  39 @ApplicationScoped
  40 public class PizzaProductWebApplicationBean implements PizzaProductWebApplicationController {
  41
  42         /**
  43          * Serial number
  44          */
  45         private static final long serialVersionUID = 58_137_539_530_279L;
  46
  47         /**
  48          * "Cache" for all available products
  49          */
  50         private List<Product> availableProducts;
  51
  52         @Override
  53         public void addProduct (final Product product) {
  54                 // Is the product available?
  55                 if (product.getProductAvailability()) {
  56                         // Add it
  57                         this.availableProducts.add(product);
  58                 }
  59         }
  60
  61         @Override
  62         public void afterShopProductAdded (@Observes final AddedProductEvent event) {
  63                 // Add it here, too.
  64                 this.addProduct(event.getAddedProduct());
  65         }
  66
  67         @Override
  68         public List<Product> getAvailableProducts () throws FacesException {
  69                 // Return it
  70                 return Collections.unmodifiableList(this.availableProducts);
  71         }
  72
  73         /**
  74          * Initialization of this bean
  75          */
  76         @PostConstruct
  77         public void init () {
  78                 try {
  79                         // Get initial context
  80                         Context context = new InitialContext();
  81
  82                         // Try to lookup the bean
  83                         ProductSessionBeanRemote productBean = (ProductSessionBeanRemote) context.lookup("java:global/jshop-ejb/product!org.mxchange.jshopcore.model.product.ProductSessionBeanRemote"); //NOI18N
  84
  85                         // Get available products list
  86                         this.availableProducts = productBean.getAvailableProducts();
  87                 } catch (final NamingException e) {
  88                         // Continued to throw
  89                         throw new FacesException(e);
  90                 }
  91         }
  92
  93 }