/*
  http-cm - File management extensions to jdk.httpserver
  Copyright (C) 2021  Ulrich Hilger

  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 <https://www.gnu.org/licenses/>.
 */
package de.uhilger.httpserver.cm;

import de.uhilger.httpserver.image.ImageActor;
import java.io.File;
import java.io.FileFilter;

/**
 * Ein Filter zum Auslassen kleiner Versionen einer Original-Bilddatei
 * 
 * @author Ulrich Hilger
 * @version 1, 12. Mai 2021
 */
public class ImageFileFilter implements FileFilter {
    @Override
    public boolean accept(File pathname) {
      boolean pass = true;
      String fname = pathname.getName().toLowerCase();
      if(fname.endsWith(ImageActor.JPEG) || fname.endsWith(ImageActor.JPG) || fname.endsWith(ImageActor.PNG)) {
        if(fname.contains(ImageActor.GR) || fname.contains(ImageActor.KL) || fname.contains(ImageActor.MT) || 
                fname.contains(ImageActor.SM) || fname.contains(ImageActor.TN) || fname.contains(ImageActor.B64)) {
          pass = false;
        }
      }
      return pass;
    }
}