src/java/org/mxchange/addressbook/beans/localization/AddressbookLocalizationSessionBean.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.addressbook.beans.localization;
  18
  19 import java.util.Locale;
  20 import javax.annotation.PostConstruct;
  21 import javax.faces.bean.SessionScoped;
  22 import javax.faces.context.FacesContext;
  23 import javax.inject.Named;
  24 import org.mxchange.jcoreee.database.BaseDatabaseBean;
  25
  26 /**
  27  * A session bean for handling localization/internationalization changes. This
  28  * class is based on an example at [1] from mkyong.
  29  * <p>
  30  * 1: http://www.mkyong.com/jsf2/jsf-2-internationalization-example/
  31  * <p>
  32  * @author Roland Haeder<roland@mxchange.org>
  33  */
  34 @Named ("localizationController")
  35 @SessionScoped
  36 public class AddressbookLocalizationSessionBean extends BaseDatabaseBean implements AddressbookLocalizationSessionController {
  37
  38         /**
  39          * Serial number
  40          */
  41         private static final long serialVersionUID = 158_768_216_759_107L;
  42
  43         /**
  44          * Current Locale
  45          */
  46         private Locale locale;
  47
  48         @Override
  49         public String getLanguage () {
  50                 //this.getLoggerBeanLocal().logTrace(MessageFormat.format("AddressbookLocalizationSessionBean::getLanguage(): locale.language={0} - EXIT!", this.getLocale().getLanguage())); //NOI18N
  51                 return this.getLocale().getLanguage().toLowerCase();
  52         }
  53
  54         @Override
  55         public void setLanguage (final String language) {
  56                 // Log trace message
  57                 //this.getLoggerBeanLocal().logTrace(MessageFormat.format("AddressbookLocalizationSessionBean::setLanguage: language={0} - CALLED!", language)); //NOI18N
  58
  59                 // Language splits
  60                 String[] splits = language.split("_"); //NOI18N
  61                 if (null == splits[1]) {
  62                         splits[1] = ""; //NOI18N
  63                 }
  64
  65                 // Get new locale with upper-case country code
  66                 Locale loc = new Locale(splits[0], splits[1]);
  67
  68                 // Log debug message
  69                 //this.getLoggerBeanLocal().logDebug(MessageFormat.format("AddressbookLocalizationSessionBean::setLanguage: loc={0}", loc)); //NOI18N
  70
  71                 // Set it here and in the JSF context
  72                 this.setLocale(loc);
  73                 FacesContext.getCurrentInstance().getViewRoot().setLocale(loc);
  74
  75                 // Log trace message
  76                 //this.getLoggerBeanLocal().logTrace("AddressbookLocalizationSessionBean::setLanguage: EXIT!"); //NOI18N
  77         }
  78
  79         @Override
  80         public Locale getLocale () {
  81                 //this.getLoggerBeanLocal().logTrace(MessageFormat.format("AddressbookLocalizationSessionBean::getLocale(): locale={0} - EXIT!", this.locale)); //NOI18N
  82                 return this.locale;
  83         }
  84
  85         @Override
  86         public void setLocale (final Locale locale) {
  87                 //this.getLoggerBeanLocal().logTrace(MessageFormat.format("AddressbookLocalizationSessionBean::setLocale(): locale={0} - CALLED!", locale)); //NOI18N
  88                 this.locale = locale;
  89         }
  90
  91         @Override
  92         public Locale[] getSelectableLocalizations () {
  93                 Locale[] locales = {
  94                         Locale.GERMANY,
  95                         Locale.US
  96                 };
  97                 return locales;
  98         }
  99
 100         /**
 101          * Initializer for this bean
 102          */
 103         @PostConstruct
 104         public void init () {
 105                 // Log trace message
 106                 //this.getLoggerBeanLocal().logTrace("AddressbookLocalizationSessionBean::init: CALLED!"); //NOI18N
 107
 108                 // Create locale instance from context
 109                 Locale loc = FacesContext.getCurrentInstance().getExternalContext().getRequestLocale();
 110
 111                 // Log debug message
 112                 //this.getLoggerBeanLocal().logDebug(MessageFormat.format("AddressbookLocalizationSessionBean::init: loc={0}", loc)); //NOI18N
 113
 114                 // Set it here
 115                 this.setLocale(loc);
 116
 117                 // Log trace message
 118                 //this.getLoggerBeanLocal().logTrace("AddressbookLocalizationSessionBean::init: EXIT!"); //NOI18N
 119         }
 120
 121 }