code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2005 Daniel Naber (http://www.danielnaber.de)
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.gui;
  
  import java.util.Comparator;
  import java.util.ResourceBundle;
  import org.languagetool.Language;
  
  /**
   * Comparator class for sorting Language by locale name
   *
   * @author Panagiotis Minos
   */
  class LanguageComparator implements Comparator<Language> {
  
    private final ResourceBundle messages;
    private final String extLangSuffix;
  
    LanguageComparator(ResourceBundle messages, String extLangSuffix) {
      this.messages = messages;
      this.extLangSuffix = extLangSuffix;
    }
  
    @Override
    public int compare(Language o1, Language o2) {
      return getTranslatedName(o1).compareTo(getTranslatedName(o2));
    }
  
    private String getTranslatedName(Language language) {
      if (language.isExternal()) {
        return language.getName() + extLangSuffix;
      } else {
        return language.getTranslatedName(messages);
      }
    }
  }
  