src/java/org/mxchange/pizzaapplication/beans/product/PizzaAdminProductWebRequestBean.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.RequestScoped;
  23 import javax.enterprise.event.Event;
  24 import javax.enterprise.inject.Any;
  25 import javax.faces.view.facelets.FaceletException;
  26 import javax.inject.Inject;
  27 import javax.inject.Named;
  28 import javax.naming.Context;
  29 import javax.naming.InitialContext;
  30 import javax.naming.NamingException;
  31 import org.mxchange.jshopcore.events.product.AddedProductEvent;
  32 import org.mxchange.jshopcore.events.product.ShopProductAddedEvent;
  33 import org.mxchange.jshopcore.exceptions.CannotAddProductException;
  34 import org.mxchange.jshopcore.exceptions.ProductTitleAlreadyUsedException;
  35 import org.mxchange.jshopcore.model.category.Category;
  36 import org.mxchange.jshopcore.model.product.AdminProductSessionBeanRemote;
  37 import org.mxchange.jshopcore.model.product.GenericProduct;
  38 import org.mxchange.jshopcore.model.product.Product;
  39
  40 /**
  41  * Main application class
  42  * <p>
  43  * @author Roland Haeder<roland@mxchange.org>
  44  */
  45 @Named ("adminProductController")
  46 @RequestScoped
  47 public class PizzaAdminProductWebRequestBean implements PizzaAdminProductWebRequestController {
  48
  49         /**
  50          * Serial number
  51          */
  52         private static final long serialVersionUID = 5_819_375_183_472_871L;
  53
  54         /**
  55          * Event for added product
  56          */
  57         @Inject
  58         @Any
  59         private Event<AddedProductEvent> addedProductEvent;
  60
  61         /**
  62          * Available
  63          */
  64         private Boolean productAvailability;
  65
  66         /**
  67          * Category instance
  68          */
  69         private Category productCategory;
  70
  71         /**
  72          * Property productPrice
  73          */
  74         private Float productPrice;
  75
  76         /**
  77          * Remote bean for products
  78          */
  79         private AdminProductSessionBeanRemote productRemoteBean;
  80
  81         /**
  82          * Property productTitle
  83          */
  84         private String productTitle;
  85
  86         /**
  87          * Cache for all products
  88          */
  89         private List<Product> products;
  90
  91         /**
  92          * Default constructor
  93          */
  94         public PizzaAdminProductWebRequestBean () {
  95                 // Try it
  96                 try {
  97                         // Get initial context
  98                         Context context = new InitialContext();
  99
 100                         // Try to lookup the bean
 101                         this.productRemoteBean = (AdminProductSessionBeanRemote) context.lookup("java:global/jshop-ejb/admin_product!org.mxchange.jshopcore.model.product.AdminProductSessionBeanRemote"); //NOI18N
 102                 } catch (final NamingException e) {
 103                         // Throw it again
 104                         throw new FaceletException(e);
 105                 }
 106         }
 107
 108         @Override
 109         public void addProduct () throws FaceletException {
 110                 try {
 111                         // Create product instance
 112                         Product product = new GenericProduct();
 113
 114                         // Add all
 115                         product.setProductAvailability(this.getProductAvailability());
 116                         product.setProductCategory(this.getProductCategory());
 117                         product.setProductPrice(this.getProductPrice());
 118                         product.setProductTitle(this.getProductTitle());
 119
 120                         // Call bean
 121                         Product updatedProduct = this.productRemoteBean.doAdminAddProduct(product);
 122
 123                         // Add updated product to local list
 124                         this.products.add(updatedProduct);
 125
 126                         // Fire event
 127                         this.addedProductEvent.fire(new ShopProductAddedEvent(updatedProduct));
 128
 129                         // Set all to null
 130                         this.clear();
 131                 } catch (final ProductTitleAlreadyUsedException | CannotAddProductException ex) {
 132                         // Continue to throw
 133                         throw new FaceletException(ex);
 134                 }
 135         }
 136
 137         @Override
 138         public List<Product> getAllProducts () throws FaceletException {
 139                 // Call bean
 140                 return Collections.unmodifiableList(this.products);
 141         }
 142
 143         @Override
 144         public Boolean getProductAvailability () {
 145                 return this.productAvailability;
 146         }
 147
 148         @Override
 149         public void setProductAvailability (final Boolean productAvailability) {
 150                 this.productAvailability = productAvailability;
 151         }
 152
 153         @Override
 154         public Category getProductCategory () {
 155                 return this.productCategory;
 156         }
 157
 158         @Override
 159         public void setProductCategory (final Category productCategory) {
 160                 this.productCategory = productCategory;
 161         }
 162
 163         @Override
 164         public Float getProductPrice () {
 165                 return this.productPrice;
 166         }
 167
 168         @Override
 169         public void setProductPrice (final Float productPrice) {
 170                 this.productPrice = productPrice;
 171         }
 172
 173         @Override
 174         public String getProductTitle () {
 175                 return this.productTitle;
 176         }
 177
 178         @Override
 179         public void setProductTitle (final String productTitle) {
 180                 this.productTitle = productTitle;
 181         }
 182
 183         /**
 184          * Initializer method
 185          */
 186         @PostConstruct
 187         public void init () {
 188                 // Initialize list
 189                 this.products = this.productRemoteBean.getAllProducts();
 190         }
 191
 192         /**
 193          * Clears this bean (example: product has been added)
 194          */
 195         private void clear () {
 196                 this.setProductAvailability(Boolean.FALSE);
 197                 this.setProductCategory(null);
 198                 this.setProductPrice(null);
 199                 this.setProductTitle(null);
 200         }
 201
 202 }