/*
    Dateiverwaltung - File management in your browser
    Copyright (C) 2017 Ulrich Hilger, http://uhilger.de

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package de.uhilger.filecms.pub;

import java.io.File;

/**
 *
 * @author ulrich
 */
public class FileNameComparator extends AbstractComparator {
  
  public FileNameComparator(String order) {
    this.order = order;
  }
  
  @Override
  public int compare(Object o1, Object o2) {
    File f1 = null;
    File f2 = null;
    if(o1 instanceof File) {
      f1 = (File) o1;
    }
    if(o2 instanceof File) {
      f2 = (File) o2;
    }
    if(f1 != null && f2 != null) {
      if(order != null && order.equalsIgnoreCase(ORDER_ASC)) {
        return f1.getName().compareToIgnoreCase(f2.getName());
      } else {
        return f2.getName().compareToIgnoreCase(f1.getName());
      }
    } else {
      logger.fine("f1 oder f2 null");
      return 0;      
    }
  }
}