package org.jtheque.primary.services.impl;

 /*

  * This file is part of JTheque.

  *

  * JTheque is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License.

  *

  * JTheque 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 General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 import org.jtheque.core.managers.persistence.able.DataListener;

 import org.jtheque.primary.dao.able.IDaoLanguages;

 import org.jtheque.primary.od.able.Language;

 import org.jtheque.primary.services.able.ILanguagesService;

 import org.springframework.stereotype.Service;

 import org.springframework.transaction.annotation.Transactional;

 import javax.annotation.Resource;

 import java.util.Collection;

 /**

  * A languages service implementation.

  *

  * @author Baptiste Wicht

  */

 @Service

 public final class LanguagesService implements ILanguagesService {

     @Resource

     private IDaoLanguages daoLanguages;

     /* Variables */

     private Language defaultLanguage;

     @Override

     public Language getDefaultLanguage() {

         if (defaultLanguage == null) {

             defaultLanguage = daoLanguages.getLanguage("Français");

             if (defaultLanguage == null) {

                 createDefaultLanguage();

             }

         }

         return defaultLanguage;

     }

     /**

      * Create the default language.

      */

     @Transactional

     private void createDefaultLanguage() {

         defaultLanguage = getEmptyLanguage();

         defaultLanguage.setName("Français");

         daoLanguages.create(defaultLanguage);

     }

     @Override

     public Collection<Language> getDatas() {

         return daoLanguages.getLanguages();

     }

     @Override

     public void addDataListener(DataListener listener) {

         daoLanguages.addDataListener(listener);

     }

     @Override

     @Transactional

     public void create(Language language) {

         daoLanguages.create(language);

     }

     @Override

     @Transactional

     public boolean delete(Language language) {

         return daoLanguages.delete(language);

     }

     @Override

     @Transactional

     public void save(Language language) {

         daoLanguages.save(language);

     }

     @Override

     public Language getLanguage(String name) {

         return daoLanguages.getLanguage(name);

     }

     @Override

     public boolean exist(Language language) {

         return daoLanguages.exist(language);

     }

     @Override

     @Transactional

     public void createAll(Iterable<Language> languages) {

         for (Language language : languages) {

             daoLanguages.create(language);

         }

     }

     @Override

     public Collection<Language> getLanguages() {

         return daoLanguages.getLanguages();

     }

     @Override

     public Language getEmptyLanguage() {

         return daoLanguages.createLanguage();

     }

     @Override

     @Transactional

     public void clearAll() {

         daoLanguages.clearAll();

     }

     @Override

     public String getDataType() {

         return DATA_TYPE;

     }

 }