package org.jtheque.core.utils.file.jt.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.Managers;

 import org.jtheque.core.managers.file.IFileManager;

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

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

 import org.jtheque.core.utils.file.jt.JTFileWriter;

 import org.jtheque.utils.bean.IntDate;

 import org.jtheque.utils.collections.CollectionUtils;

 import org.jtheque.utils.io.FileException;

 import org.jtheque.utils.io.FileUtils;

 import java.io.DataOutputStream;

 import java.io.IOException;

 import java.util.Collection;

 /**

  * A writer implementation for JTD File.

  *

  * @author Baptiste Wicht

  */

 public final class JTDFileWriter extends JTFileWriter {

     private final Collection<BackupWriter> writers;

     /**

      * Construct a new JTDFileWriter.

      *

      * @param writers The writers.

      */

     public JTDFileWriter(Collection<BackupWriter> writers) {

         this.writers = CollectionUtils.copyOf(writers);

     }

     @Override

     public void writeFile(DataOutputStream stream, BasicDataSource source) throws FileException {

         try {

             //Header

             stream.writeUTF(Managers.getManager(IFileManager.class).formatUTFToWrite(FileUtils.encryptKey(IFileManager.JT_KEY)));

             stream.writeUTF(Managers.getManager(IFileManager.class).formatUTFToWrite(source.getVersion().getVersion()));

             stream.writeInt(source.getFileVersion());

             stream.writeInt(IntDate.today().intValue());

             stream.writeLong(IFileManager.JT_CATEGORY_SEPARATOR);

             for (BackupWriter writer : writers) {

                 writer.write(stream);

             }

         } catch (IOException e) {

             throw new FileException(e);

         } finally {

             FileUtils.close(stream);

         }

     }

 }