src/java/org/mxchange/pizzaapplication/converter/mobileprovider/PizzaMobileProviderConverter.java

   1 /*
   2  * Copyright (C) 2016, 2017 Roland Häder
   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.converter.mobileprovider;
  18
  19 import java.text.MessageFormat;
  20 import java.util.List;
  21 import java.util.Objects;
  22 import javax.faces.component.UIComponent;
  23 import javax.faces.context.FacesContext;
  24 import javax.faces.convert.Converter;
  25 import javax.faces.convert.ConverterException;
  26 import javax.faces.convert.FacesConverter;
  27 import javax.naming.Context;
  28 import javax.naming.InitialContext;
  29 import javax.naming.NamingException;
  30 import org.mxchange.jphone.phonenumbers.mobileprovider.MobileProvider;
  31 import org.mxchange.jphone.phonenumbers.mobileprovider.MobileProviderSingletonBeanRemote;
  32
  33 /**
  34  * Converter for SMS provider instance
  35  * <p>
  36  * @author Roland Häder<roland@mxchange.org>
  37  */
  38 @FacesConverter (value = "MobileProviderConverter")
  39 public class PizzaMobileProviderConverter implements Converter {
  40
  41         /**
  42          * Mobile provider bean
  43          */
  44         private MobileProviderSingletonBeanRemote mobileRemoteBean;
  45
  46         /**
  47          * Initialization of this converter
  48          */
  49         public PizzaMobileProviderConverter () {
  50                 // Try to get it
  51                 try {
  52                         // Get initial context
  53                         Context context = new InitialContext();
  54
  55                         /// and SMS provider controller
  56                         this.mobileRemoteBean = (MobileProviderSingletonBeanRemote) context.lookup("java:global/pizzaservice-ejb/mobileprovider!org.mxchange.jphone.phonenumbers.mobileprovider.MobileProviderSingletonBeanRemote"); //NOI18N
  57                 } catch (final NamingException ex) {
  58                         // Continue to throw it
  59                         throw new ConverterException(MessageFormat.format("context.lookup() failed: {0}", ex.getMessage()), ex); //NOI18N
  60                 }
  61         }
  62
  63         @Override
  64         public Object getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  65                 // Is the value null or empty?
  66                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
  67                         // Warning message
  68                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logWarning(MessageFormat.format("{0}.getAsObject(): submittedValue is null or empty - EXIT!", this.getClass().getSimpleName())); //NOI18N
  69
  70                         // Return null
  71                         return null;
  72                 }
  73
  74                 // Get full list
  75                 List<MobileProvider> providerList = this.mobileRemoteBean.allMobileProvider();
  76
  77                 // Init value
  78                 MobileProvider provider = null;
  79
  80                 // Try this better
  81                 try {
  82                         // Convert it to long
  83                         Long providerId = Long.parseLong(submittedValue);
  84
  85                         // Category id should not be below 1
  86                         assert (providerId > 0) : "providerId is smaller than one: " + providerId; //NOI18N
  87
  88                         // Try to find it
  89                         for (final MobileProvider prov : providerList) {
  90                                 // Is the id the same? (null-safe)
  91                                 if (Objects.equals(prov.getProviderId(), providerId)) {
  92                                         // Found it
  93                                         provider = prov;
  94                                         break;
  95                                 }
  96                         }
  97                 } catch (final NumberFormatException ex) {
  98                         // Log exception (maybe to much?)
  99                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logException(ex);
 100                 }
 101
 102                 // Return it
 103                 return provider;
 104         }
 105
 106         @Override
 107         public String getAsString (final FacesContext context, final UIComponent component, final Object value) {
 108                 // Is the object null?
 109                 if ((null == value) || ((String.valueOf(value)).isEmpty())) {
 110                         // Is null
 111                         return ""; //NOI18N
 112                 } else if (!(value instanceof MobileProvider)) {
 113                         // Not same interface
 114                         throw new IllegalArgumentException(MessageFormat.format("value {0} does not implement MobileProvider.", value)); //NOI18N
 115                 }
 116
 117                 // Return category id
 118                 return String.valueOf(((MobileProvider) value).getProviderId());
 119         }
 120
 121 }