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.sql.SQLException;
  21 import java.util.Deque;
  22 import java.util.Queue;
  23 import javax.annotation.PostConstruct;
  24 import javax.enterprise.context.SessionScoped;
  25 import javax.faces.FacesException;
  26 import javax.inject.Named;
  27 import javax.naming.InitialContext;
  28 import javax.naming.NamingException;
  29 import org.mxchange.jcoreee.beans.BaseFrameworkBean;
  30 import org.mxchange.jshopcore.model.category.Category;
  31 import org.mxchange.jshopcore.model.category.CategorySessionBeanRemote;
  32 import org.mxchange.jshopcore.model.category.ProductCategory;
  33 import org.mxchange.jshopcore.model.product.Product;
  34 import org.mxchange.jshopcore.model.product.ProductSessionBeanRemote;
  35
  36 /**
  37  * Main application class
  38  *
  39  * @author Roland Haeder
  40  */
  41 @Named("controller")
  42 @SessionScoped
  43 public class PizzaServiceWebBean extends BaseFrameworkBean implements PizzaWebBean {
  44         /**
  45          * Serial id
  46          */
  47         private static final long serialVersionUID = 58_137_539_530_279L;
  48
  49         /**
  50          * Remote bean for categories
  51          */
  52         private final CategorySessionBeanRemote category;
  53
  54         /**
  55          * Remote bean for products
  56          */
  57         private final ProductSessionBeanRemote product;
  58
  59         /**
  60          * Default constructor
  61          *
  62          * @throws javax.naming.NamingException Something happened here?
  63          */
  64         public PizzaServiceWebBean () throws NamingException {
  65                 // Get initial context
  66                 InitialContext context = new InitialContext();
  67
  68                 // Try to lookup the bean
  69                 this.category = (CategorySessionBeanRemote) context.lookup("ejb/stateless-category"); //NOI18N
  70
  71                 // Try to lookup the bean
  72                 this.product = (ProductSessionBeanRemote) context.lookup("ejb/stateless-product"); //NOI18N
  73         }
  74
  75         @PostConstruct
  76         public void init () throws RuntimeException {
  77                 // Call super init first
  78                 super.genericInit();
  79         }
  80
  81         @Override
  82         public Queue<Product> getAvailableProducts () throws FacesException {
  83                 try {
  84                         return this.getProduct().getAvailableProducts();
  85                 } catch (final RemoteException ex) {
  86                         // Continue to throw
  87                         throw new FacesException(ex);
  88                 }
  89         }
  90
  91         @Override
  92         public Queue<Category> getAllCategories () throws FacesException {
  93                 try {
  94                         // Fake zero category
  95                         Category c = new ProductCategory(0L, "Ist oberste Kategorie", 0L);
  96
  97                         // Get List back
  98                         Deque<Category> deque = this.getCategory().getAllCategories();
  99
 100                         // Add fake category
 101                         deque.addFirst(c);
 102
 103                         // Return it
 104                         return deque;
 105                 } catch (final SQLException ex) {
 106                         // Continue to throw
 107                         throw new FacesException(ex);
 108                 }
 109         }
 110
 111         /**
 112          * Getter for shop remote bean
 113          *
 114          * @return Remote shop bean
 115          */
 116         private CategorySessionBeanRemote getCategory () {
 117                 return this.category;
 118         }
 119
 120         /**
 121          * Getter for shop remote bean
 122          *
 123          * @return Remote shop bean
 124          */
 125         private ProductSessionBeanRemote getProduct () {
 126                 return this.product;
 127         }
 128 }