src/java/org/mxchange/pizzaapplication/beans/controller/PizzaServiceWebBean.java

   1 /*
   2  * Copyright (C) 2015 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (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 General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.pizzaapplication.beans.controller;
  18
  19 import java.rmi.RemoteException;
  20 import java.util.Deque;
  21 import javax.annotation.PostConstruct;
  22 import javax.enterprise.context.SessionScoped;
  23 import javax.faces.FacesException;
  24 import javax.inject.Named;
  25 import javax.naming.InitialContext;
  26 import javax.naming.NamingException;
  27 import org.mxchange.jcoreee.beans.BaseFrameworkBean;
  28 import org.mxchange.jshopcore.model.category.Category;
  29 import org.mxchange.jshopcore.model.category.CategorySessionBeanRemote;
  30 import org.mxchange.jshopcore.model.category.ProductCategory;
  31 import org.mxchange.jshopcore.model.product.Product;
  32 import org.mxchange.jshopcore.model.product.ProductSessionBeanRemote;
  33
  34 /**
  35  * Main application class
  36  *
  37  * @author Roland Haeder
  38  */
  39 @Named("controller")
  40 @SessionScoped
  41 public class PizzaServiceWebBean extends BaseFrameworkBean implements PizzaWebBean {
  42         /**
  43          * Serial id
  44          */
  45         private static final long serialVersionUID = 58_137_539_530_279L;
  46
  47         /**
  48          * Remote bean for categories
  49          */
  50         private final CategorySessionBeanRemote category;
  51
  52         /**
  53          * Remote bean for products
  54          */
  55         private final ProductSessionBeanRemote product;
  56
  57         /**
  58          * Default constructor
  59          *
  60          * @throws javax.naming.NamingException Something happened here?
  61          */
  62         public PizzaServiceWebBean () throws NamingException {
  63                 // Get initial context
  64                 InitialContext context = new InitialContext();
  65
  66                 // Try to lookup the bean
  67                 this.category = (CategorySessionBeanRemote) context.lookup("ejb/stateless-category"); //NOI18N
  68
  69                 // Try to lookup the bean
  70                 this.product = (ProductSessionBeanRemote) context.lookup("ejb/stateless-product"); //NOI18N
  71         }
  72
  73         @PostConstruct
  74         public void init () throws RuntimeException {
  75                 // Call super init first
  76                 super.genericInit();
  77         }
  78
  79         @Override
  80         public Deque<Product> getAvailableProducts () throws FacesException {
  81                 try {
  82                         return this.getProduct().getAvailableProducts();
  83                 } catch (final RemoteException ex) {
  84                         // Continue to throw
  85                         throw new FacesException(ex);
  86                 }
  87         }
  88
  89         @Override
  90         public Deque<Category> getAllCategories () throws FacesException {
  91                 try {
  92                         // Fake zero category
  93                         Category c = new ProductCategory(0L, "Ist oberste Kategorie", 0L);
  94
  95                         // Get List back
  96                         Deque<Category> deque = this.getCategory().getAllCategories();
  97
  98                         // Add fake category
  99                         deque.addFirst(c);
 100
 101                         // Return it
 102                         return deque;
 103                 } catch (final RemoteException ex) {
 104                         // Continue to throw
 105                         throw new FacesException(ex);
 106                 }
 107         }
 108
 109         /**
 110          * Getter for shop remote bean
 111          *
 112          * @return Remote shop bean
 113          */
 114         private CategorySessionBeanRemote getCategory () {
 115                 return this.category;
 116         }
 117
 118         /**
 119          * Getter for shop remote bean
 120          *
 121          * @return Remote shop bean
 122          */
 123         private ProductSessionBeanRemote getProduct () {
 124                 return this.product;
 125         }
 126 }