git.mxchange.org Git - pizzaservice-ejb.git/blob

   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.pizzaservice;
  18
  19 import java.io.IOException;
  20 import java.lang.reflect.InvocationTargetException;
  21 import java.sql.SQLException;
  22 import java.text.MessageFormat;
  23 import java.util.Deque;
  24 import javax.annotation.PostConstruct;
  25 import javax.ejb.Stateless;
  26 import javax.faces.FacesException;
  27 import javax.inject.Named;
  28 import javax.servlet.ServletException;
  29 import org.mxchange.jcore.exceptions.BadTokenException;
  30 import org.mxchange.jcore.exceptions.CorruptedDatabaseFileException;
  31 import org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException;
  32 import org.mxchange.jshop.beans.BaseFrameworkBean;
  33 import org.mxchange.jshop.beans.shop.ShopSessionBeanRemote;
  34 import org.mxchange.jshop.category.Category;
  35 import org.mxchange.jshop.product.Product;
  36 import org.mxchange.pizzaapplication.application.PizzaApplication;
  37 import org.mxchange.pizzaapplication.application.PizzaServiceApplication;
  38
  39 /**
  40  * The session bean
  41  *
  42  * @author Roland Haeder
  43  */
  44 @Named ("shop")
  45 @Stateless
  46 public class PizzaServiceSessionBean extends BaseFrameworkBean implements ShopSessionBeanRemote {
  47
  48         /**
  49          * Serial number
  50          */
  51         private static final long serialVersionUID = 578314942948L;
  52
  53         /**
  54          * Application instance
  55          */
  56         private final PizzaApplication app;
  57
  58         /**
  59          * Initializer block
  60          */
  61         {
  62                 // Get new application instance
  63                 this.getLogger().debug("INITIALIZER!"); //NOI18N
  64                 this.app = new PizzaServiceApplication();
  65         }
  66
  67         /**
  68          * Default constructor
  69          */
  70         public PizzaServiceSessionBean () {
  71                 this.getLogger().trace("CALLED!"); //NOI18N
  72         }
  73
  74         @PostConstruct
  75         public void init () throws FacesException {
  76                 // Trace message
  77                 this.getLogger().trace(MessageFormat.format("application={0} - CALLED!", this.getApplication())); //NOI18N
  78
  79                 // Must not be null
  80                 if (this.getApplication() == null) {
  81                         // Abort here
  82                         throw new NullPointerException("application is null"); //NOI18N
  83                 }
  84
  85                 try {
  86                         // Call init method
  87                         this.app.init(this.getApplication());
  88                 } catch (final UnsupportedDatabaseBackendException | SQLException | IOException | BadTokenException ex) {
  89                         // Continue to throw
  90                         throw new FacesException(ex);
  91                 }
  92         }
  93
  94         @Override
  95         public Deque<Product> getAvailableProducts () throws ServletException {
  96                 try {
  97                         return this.app.getAvailableProducts();
  98                 } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
  99                         // Continue to throw
 100                         throw new ServletException(ex);
 101                 }
 102         }
 103
 104         @Override
 105         public Deque<Product> getAllProducts () throws ServletException {
 106                 try {
 107                         return this.app.getAllProducts();
 108                 } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
 109                         // Continue to throw
 110                         throw new ServletException(ex);
 111                 }
 112         }
 113
 114         @Override
 115         public Deque<Category> getAllCategories () throws ServletException {
 116                 try {
 117                         return this.app.getAllCategories();
 118                 } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
 119                         // Continue to throw
 120                         throw new ServletException(ex);
 121                 }
 122         }
 123 }