package org.jtheque.films.services.impl.utils.file.backup;

 /*

  * 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.Managers;

 import org.jtheque.core.managers.beans.IBeansManager;

 import org.jtheque.core.managers.file.able.BackupWriter;

 import org.jtheque.core.utils.file.XMLWriter;

 import org.jtheque.films.persistence.od.able.Film;

 import org.jtheque.films.services.able.IActorService;

 import org.jtheque.films.services.able.IFilmsService;

 import org.jtheque.films.services.able.IRealizersService;

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

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

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

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

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

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

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

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

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

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

 import javax.annotation.Resource;

 /**

  * A XML Backup Writer.

  *

  * @author Baptiste Wicht

  */

 public final class XMLBackupWriter implements BackupWriter {

     @Resource

     private ILendingsService lendingsService;

     @Resource

     private ITypesService typesService;

     @Resource

     private ILanguagesService languagesService;

     @Resource

     private IBorrowersService borrowersService;

     @Resource

     private IFilmsService filmsService;

     @Resource

     private IActorService actorService;

     @Resource

     private IRealizersService realizersService;

     @Resource

     private IKindsService kindsService;

     /**

      * Construct a new XMLBackupWriter.

      */

     public XMLBackupWriter() {

         super();

         Managers.getManager(IBeansManager.class).inject(this);

     }

     @Override

     public void write(Object object) {

         XMLWriter writer = (XMLWriter) object;

         writeFilms(writer);

         writePersons(writer, "actor", actorService.getActors());

         writePersons(writer, "realizer", realizersService.getRealizers());

         writeKinds(writer);

         writeTypes(writer);

         writeLanguages(writer);

         writeCountries(writer);

         writeBorrowers(writer);

         writeLendings(writer);

     }

     /**

      * Write all the films in the Document.

      *

      * @param writer The document in which add the header.

      */

     private void writeFilms(XMLWriter writer) {

         writer.add("films");

         for (Film film : filmsService.getFilms()) {

             writer.add("film");

             writer.addOnly("id", Integer.toString(film.getId()));

             writer.addOnly("title", film.getTitle());

             addKindsOfFilm(writer, film);

             writer.addOnly("type", film.hasType() ? film.getTheType().getId() : -2);

             writer.addOnly("realizer", film.hasRealizer() ? film.getTheRealizer().getId() : -2);

             writer.addOnly("language", film.hasLanguage() ? film.getTheLanguage().getId() : -2);

             writer.addOnly("year", film.getYear());

             writer.addOnly("duration", film.getDuration());

             writer.addOnly("note", film.getNote().getValue().intValue());

             writer.addOnly("resume", film.getResume());

             writer.addOnly("comment", film.getComment());

             addActorsOfFilm(writer, film);

             writer.switchToParent();

         }

         writer.switchToParent();

     }

     /**

      * Add the kinds of the film to the XML file.

      *

      * @param writer The XML writer.

      * @param film   The film to get the informations from.

      */

     private static void addKindsOfFilm(XMLWriter writer, Film film) {

         writer.add("kinds");

         for (Kind kind : film.getKinds()) {

             writer.addOnly("kind", kind.getId());

         }

         writer.switchToParent();

     }

     /**

      * Add the actors of the film to the XML file.

      *

      * @param writer The XML writer.

      * @param film   The film to get the informations from.

      */

     private static void addActorsOfFilm(XMLWriter writer, Film film) {

         writer.add("actors");

         for (Person actor : film.getActors()) {

             writer.addOnly("actor", actor.getId());

         }

         writer.switchToParent();

     }

     /**

      * Write all the actors in the Document.

      *

      * @param writer   The document in which we write.

      * @param category The category id.

      * @param persons  The persons to write.

      */

     private static void writePersons(XMLWriter writer, String category, Iterable<? extends Person> persons) {

         writer.add(category + 's');

         for (Person person : persons) {

             writer.add(category);

             writer.addOnly("id", person.getId());

             writer.addOnly("name", person.getName());

             writer.addOnly("firstname", person.getFirstName());

             writer.addOnly("country", person.getTheCountry().getId());

             writer.addOnly("note", person.getNote().getValue().intValue());

             writer.switchToParent();

         }

         writer.switchToParent();

     }

     /**

      * Write all the languages to the Document.

      *

      * @param writer The Document in which we write

      */

     private void writeLanguages(XMLWriter writer) {

         writer.add("languages");

         for (Language language : languagesService.getLanguages()) {

             writer.add("language");

             writer.addOnly("id", language.getId());

             writer.addOnly("name", language.getName());

             writer.switchToParent();

         }

         writer.switchToParent();

     }

     /**

      * Write all the kinds to the Document.

      *

      * @param writer The Document in which we write

      */

     private void writeKinds(XMLWriter writer) {

         writer.add("kinds");

         for (Kind kind : kindsService.getKinds()) {

             writer.add("kind");

             writer.addOnly("id", kind.getId());

             writer.addOnly("name", kind.getName());

             writer.switchToParent();

         }

         writer.switchToParent();

     }

     /**

      * Write all the kinds to the Document.

      *

      * @param writer The Document in which we write

      */

     private void writeTypes(XMLWriter writer) {

         writer.add("types");

         for (Type type : typesService.getTypes()) {

             writer.add("type");

             writer.addOnly("id", type.getId());

             writer.addOnly("name", type.getName());

             writer.switchToParent();

         }

         writer.switchToParent();

     }

     /**

      * Write all the countries to the Document.

      *

      * @param writer The Document in which we write

      */

     private void writeCountries(XMLWriter writer) {

         writer.add("countries");

         for (Type type : typesService.getTypes()) {

             writer.add("country");

             writer.addOnly("id", type.getId());

             writer.addOnly("name", type.getName());

             writer.switchToParent();

         }

         writer.switchToParent();

     }

     /**

      * Write all borrowers in the Document.

      *

      * @param writer The document in which we write.

      */

     private void writeBorrowers(XMLWriter writer) {

         writer.add("borrowers");

         for (Person borrower : borrowersService.getBorrowers()) {

             writer.add("borrower");

             writer.addOnly("id", borrower.getId());

             writer.addOnly("name", borrower.getName());

             writer.addOnly("firstname", borrower.getFirstName());

             writer.addOnly("email", borrower.getEmail());

             writer.switchToParent();

         }

         writer.switchToParent();

     }

     /**

      * Write all lendings in the Document.

      *

      * @param writer The document in which we write.

      */

     private void writeLendings(XMLWriter writer) {

         writer.add("lendings");

         for (Lending lending : lendingsService.getLendings()) {

             writer.add("lending");

             writer.addOnly("id", lending.getId());

             writer.addOnly("date", lending.getDate().intValue());

             writer.addOnly("borrower", lending.getThePerson().getId());

             writer.addOnly("email", lending.getTheOther());

             writer.switchToParent();

         }

         writer.switchToParent();

     }

 }