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

   1 /*
   2  * Copyright (C) 2016 - 2022 Free Software Foundation
   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.jproduct.events.product.AddedProductEvent;
  32 import org.mxchange.jproduct.events.product.ProductAddedEvent;
  33 import org.mxchange.jproduct.exceptions.CannotAddProductException;
  34 import org.mxchange.jproduct.exceptions.ProductTitleAlreadyUsedException;
  35 import org.mxchange.jproduct.model.category.Category;
  36 import org.mxchange.jproduct.model.product.AdminProductSessionBeanRemote;
  37 import org.mxchange.jproduct.model.product.GenericProduct;
  38 import org.mxchange.jproduct.model.product.Product;
  39 import org.mxchange.pizzaapplication.beans.BasePizzaBean;
  40
  41 /**
  42  * Main application class
  43  * <p>
  44  * @author Roland Häder<roland@mxchange.org>
  45  */
  46 @Named ("adminProductController")
  47 @RequestScoped
  48 public class PizzaAdminProductWebRequestBean extends BasePizzaBean implements PizzaAdminProductWebRequestController {
  49
  50         /**
  51          * Serial number
  52          */
  53         private static final long serialVersionUID = 5_819_375_183_472_871L;
  54
  55         /**
  56          * Event for added product
  57          */
  58         @Inject
  59         @Any
  60         private Event<AddedProductEvent> addedProductEvent;
  61
  62         /**
  63          * Available
  64          */
  65         private Boolean productAvailability;
  66
  67         /**
  68          * Category instance
  69          */
  70         private Category productCategory;
  71
  72         /**
  73          * Property productPrice
  74          */
  75         private Float productPrice;
  76
  77         /**
  78          * Remote bean for products
  79          */
  80         private AdminProductSessionBeanRemote productRemoteBean;
  81
  82         /**
  83          * Property productTitle
  84          */
  85         private String productTitle;
  86
  87         /**
  88          * Cache for all products
  89          */
  90         private List<Product> products;
  91
  92         /**
  93          * Default constructor
  94          */
  95         public PizzaAdminProductWebRequestBean () {
  96                 // Try it
  97                 try {
  98                         // Get initial context
  99                         Context context = new InitialContext();
 100
 101                         // Try to lookup the bean
 102                         this.productRemoteBean = (AdminProductSessionBeanRemote) context.lookup("java:global/pizzaservice-ejb/adminProduct!org.mxchange.jshopcore.model.product.AdminProductSessionBeanRemote"); //NOI18N
 103                 } catch (final NamingException e) {
 104                         // Throw it again
 105                         throw new FaceletException(e);
 106                 }
 107         }
 108
 109         @Override
 110         public void addProduct () throws FaceletException {
 111                 try {
 112                         // Create product instance
 113                         Product product = new GenericProduct();
 114
 115                         // Add all
 116                         product.setProductAvailability(this.getProductAvailability());
 117                         product.setProductCategory(this.getProductCategory());
 118                         product.setProductPrice(this.getProductPrice());
 119                         product.setProductTitle(this.getProductTitle());
 120
 121                         // Call bean
 122                         Product updatedProduct = this.productRemoteBean.doAdminAddProduct(product);
 123
 124                         // Add updated product to local list
 125                         this.products.add(updatedProduct);
 126
 127                         // Fire event
 128                         this.addedProductEvent.fire(new ProductAddedEvent(updatedProduct));
 129
 130                         // Set all to null
 131                         this.clear();
 132                 } catch (final ProductTitleAlreadyUsedException | CannotAddProductException ex) {
 133                         // Continue to throw
 134                         throw new FaceletException(ex);
 135                 }
 136         }
 137
 138         @Override
 139         public List<Product> getAllProducts () throws FaceletException {
 140                 // Call bean
 141                 return Collections.unmodifiableList(this.products);
 142         }
 143
 144         @Override
 145         public Boolean getProductAvailability () {
 146                 return this.productAvailability;
 147         }
 148
 149         @Override
 150         public void setProductAvailability (final Boolean productAvailability) {
 151                 this.productAvailability = productAvailability;
 152         }
 153
 154         @Override
 155         public Category getProductCategory () {
 156                 return this.productCategory;
 157         }
 158
 159         @Override
 160         public void setProductCategory (final Category productCategory) {
 161                 this.productCategory = productCategory;
 162         }
 163
 164         @Override
 165         public Float getProductPrice () {
 166                 return this.productPrice;
 167         }
 168
 169         @Override
 170         public void setProductPrice (final Float productPrice) {
 171                 this.productPrice = productPrice;
 172         }
 173
 174         @Override
 175         public String getProductTitle () {
 176                 return this.productTitle;
 177         }
 178
 179         @Override
 180         public void setProductTitle (final String productTitle) {
 181                 this.productTitle = productTitle;
 182         }
 183
 184         /**
 185          * Initializer method
 186          */
 187         @PostConstruct
 188         public void init () {
 189                 // Initialize list
 190                 this.products = this.productRemoteBean.getAllProducts();
 191         }
 192
 193         /**
 194          * Clears this bean (example: product has been added)
 195          */
 196         private void clear () {
 197                 this.setProductAvailability(Boolean.FALSE);
 198                 this.setProductCategory(null);
 199                 this.setProductPrice(null);
 200                 this.setProductTitle(null);
 201         }
 202
 203 }