/*
* Copyright (C) 2012 Dr. John Lindsay <jlindsay@uoguelph.ca>
*
* 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/>.
*/
package whitebox.structures;
import java.io.*;
import javax.swing.filechooser.FileFilter;
/**
*
* @author Dr. John Lindsay email: jlindsay@uoguelph.ca
*/
public class ExtensionFileFilter extends FileFilter {
String description;
String extensions[];
public ExtensionFileFilter(String description, String extension) {
this(description, new String[]{extension});
}
public ExtensionFileFilter(String description, String extensions[]) {
if (description == null) {
this.description = extensions[0];
} else {
this.description = description;
}
this.extensions = (String[]) extensions.clone();
toLower(this.extensions);
}
private void toLower(String array[]) {
for (int i = 0, n = array.length; i < n; i++) {
array[i] = array[i].toLowerCase();
}
}
@Override
public String getDescription() {
return description;
}
public String[] getExtensions() {
return extensions;
}
@Override
public boolean accept(File file) {
if (file.isDirectory()) {
return true;
} else {
String path = file.getAbsolutePath().toLowerCase();
for (int i = 0, n = extensions.length; i < n; i++) {
String extension = extensions[i];
if ((path.endsWith(extension) && (path.charAt(path.length() - extension.length() - 1)) == '.')) {
return true;
}
}
}
return false;
}
}