ExtendedFileFilter.java

/*******************************************************************************
 * GenPlay, Einstein Genome Analyzer
 * Copyright (C) 2009, 2014 Albert Einstein College of Medicine
 * 
 * This program 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, 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * Authors: Julien Lajugie <julien.lajugie@einstein.yu.edu>
 *          Nicolas Fourel <nicolas.fourel@einstein.yu.edu>
 *          Eric Bouhassira <eric.bouhassira@einstein.yu.edu>
 * 
 * Website: <http://genplay.einstein.yu.edu>
 ******************************************************************************/
package edu.yu.einstein.genplay.gui.fileFilter;

import java.io.File;
import java.io.Serializable;

import javax.swing.filechooser.FileFilter;

import edu.yu.einstein.genplay.util.Utils;


/**
 * Extension of the {@link FileFilter} class with a new method
 * that returns the list of the extensions accepted by the filter
 * @author Julien Lajugie
 */
public abstract class ExtendedFileFilter extends FileFilter implements Serializable {

	private static final long serialVersionUID = -4860666388921247783L;	// generated ID
	private final String[] 	extensions;		// extensions accepted for this file type
	private final String 	description;	// description of the file type


	/**
	 * Creates an instance of {@link ExtendedFileFilter}
	 * @param extensions extensions associated with the file filter
	 * @param description description of the file filter
	 */
	protected ExtendedFileFilter(String[] extensions, String description) {
		this.extensions = extensions;
		this.description = description;
	}


	@Override
	public boolean accept(File f) {
		if (f.isDirectory()) {
			return true;
		}
		String extension = Utils.getExtension(f);
		if (extension == null) {
			return false;
		} else {
			for (String currentExtension: extensions) {
				if (currentExtension.equalsIgnoreCase(extension)) {
					return true;
				}
			}
			return false;
		}
	}


	@Override
	public String getDescription() {
		return description;
	}


	/**
	 * @return the list of the extensions accepted by the filter
	 */
	public String[] getExtensions() {
		return extensions;
	}
}