src/java/org/mxchange/pizzaapplication/beans/mobileprovider/PizzaMobileProviderWebRequestBean.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.mobileprovider;
  18
  19 import java.text.MessageFormat;
  20 import java.util.List;
  21 import javax.annotation.PostConstruct;
  22 import javax.enterprise.context.SessionScoped;
  23 import javax.enterprise.event.Observes;
  24 import javax.faces.view.facelets.FaceletException;
  25 import javax.inject.Named;
  26 import javax.naming.Context;
  27 import javax.naming.InitialContext;
  28 import javax.naming.NamingException;
  29 import org.mxchange.jphone.events.AdminAddedMobileProviderEvent;
  30 import org.mxchange.jphone.phonenumbers.mobileprovider.MobileProvider;
  31 import org.mxchange.jphone.phonenumbers.mobileprovider.MobileProviderSingletonBeanRemote;
  32
  33 /**
  34  * A general bean for mobile providers
  35  * <p>
  36  * @author Roland Haeder<roland@mxchange.org>
  37  */
  38 @Named ("mobileController")
  39 @SessionScoped
  40 public class PizzaMobileProviderWebRequestBean implements PizzaMobileProviderWebRequestController {
  41
  42         /**
  43          * Serial number
  44          */
  45         private static final long serialVersionUID = 15_869_423_671_950_276L;
  46
  47         /**
  48          * "Cached" list of mobile providers
  49          */
  50         private List<MobileProvider> mobileProviders;
  51
  52         /**
  53          * Remote EJB for mobile providers (regular)
  54          */
  55         private MobileProviderSingletonBeanRemote mobileRemoteBean;
  56
  57         /**
  58          * Default constructor
  59          */
  60         public PizzaMobileProviderWebRequestBean () {
  61                 // Try it
  62                 try {
  63                         // Get initial context
  64                         Context context = new InitialContext();
  65
  66                         // Try to lookup the beans
  67                         this.mobileRemoteBean = (MobileProviderSingletonBeanRemote) context.lookup("java:global/PizzaService-ejb/mobileprovider!org.mxchange.jphone.phonenumbers.mobileprovider.MobileProviderSingletonBeanRemote"); //NOI18N
  68                 } catch (final NamingException e) {
  69                         // Throw it again
  70                         throw new FaceletException(e);
  71                 }
  72         }
  73
  74         @Override
  75         public void afterAdminAddedMobileProvider (@Observes final AdminAddedMobileProviderEvent event) {
  76                 // Is all valid?
  77                 if (null == event) {
  78                         // Throw NPE
  79                         throw new NullPointerException("event is null"); //NOI18N
  80                 } else if (event.getAddedMobileProvider()== null) {
  81                         // Throw again ...
  82                         throw new NullPointerException("event.addedMobileProvider is null"); //NOI18N
  83                 } else if (event.getAddedMobileProvider().getProviderId()== null) {
  84                         // And again ...
  85                         throw new NullPointerException("event.addedMobileProvider.providerId is null"); //NOI18N
  86                 } else if (event.getAddedMobileProvider().getProviderId() < 1) {
  87                         // Id is invalid
  88                         throw new IllegalArgumentException(MessageFormat.format("event.addedMobileProvider.providerId={0} is not valid.", event.getAddedMobileProvider().getProviderId())); //NOI18N
  89                 }
  90
  91                 // Add it to the list
  92                 this.mobileProviders.add(event.getAddedMobileProvider());
  93         }
  94
  95         @Override
  96         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
  97         public List<MobileProvider> allMobileProvider () {
  98                 return this.mobileProviders;
  99         }
 100
 101         /**
 102          * Initializer method
 103          */
 104         @PostConstruct
 105         public void init () {
 106                 // Init list of mobile providers
 107                 this.mobileProviders = this.mobileRemoteBean.allMobileProvider();
 108         }
 109
 110 }