src/java/org/mxchange/pizzaapplication/converter/country/PizzaCountryConverter.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.country;
  18
  19 import java.util.List;
  20 import java.util.Objects;
  21 import javax.ejb.EJB;
  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 org.mxchange.jcountry.model.data.Country;
  28 import org.mxchange.jcountry.model.data.CountrySingletonBeanRemote;
  29
  30 /**
  31  * Converter for country instance
  32  * <p>
  33  * @author Roland Häder<roland@mxchange.org>
  34  */
  35 @FacesConverter ("CountryConverter")
  36 public class PizzaCountryConverter implements Converter<Country> {
  37
  38         /**
  39          * Country bean
  40          */
  41         @EJB (lookup = "java:global/jfinancials-ejb/country!org.mxchange.jcountry.data.CountrySingletonBeanRemote")
  42         private CountrySingletonBeanRemote countryBean;
  43
  44         /**
  45          * Default constructor
  46          */
  47         public PizzaCountryConverter () {
  48         }
  49
  50         @Override
  51         public Country getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  52                 // Is the value null or empty?
  53                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
  54                         // Warning message
  55                         // @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
  56
  57                         // Return null
  58                         return null;
  59                 }
  60
  61                 // Get full list
  62                 List<Country> countryList = this.countryBean.allCountries();
  63
  64                 // Init value
  65                 Country country = null;
  66
  67                 // Try this better
  68                 try {
  69                         // Convert it to long
  70                         Long countryId = Long.parseLong(submittedValue);
  71
  72                         // Category id should not be below 1
  73                         assert (countryId > 0) : "countryId is smaller than one: " + countryId; //NOI18N
  74
  75                         // Try to find it
  76                         for (final Country cntry : countryList) {
  77                                 // Is the id the same? (null-safe)
  78                                 if (Objects.equals(cntry.getCountryId(), countryId)) {
  79                                         // Found it
  80                                         country = cntry;
  81                                         break;
  82                                 }
  83                         }
  84                 } catch (final NumberFormatException ex) {
  85                         // Throw again
  86                         throw new ConverterException(ex);
  87                 }
  88
  89                 // Return it
  90                 return country;
  91         }
  92
  93         @Override
  94         public String getAsString (final FacesContext context, final UIComponent component, final Country value) {
  95                 // Is the object null?
  96                 if ((null == value) || (String.valueOf(value).isEmpty())) {
  97                         // Is null
  98                         return ""; //NOI18N
  99                 }
 100
 101                 // Return id number
 102                 return String.valueOf(value.getCountryId());
 103         }
 104
 105 }