org.smallmind.swing.file.FileComparator Maven / Gradle / Ivy
/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of 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.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
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*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
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*/
package org.smallmind.swing.file;
import java.io.File;
import java.util.Comparator;
import org.smallmind.nutsnbolts.util.AlphaNumericComparator;
import org.smallmind.nutsnbolts.util.AlphaNumericConverter;
public class FileComparator implements Comparator {
private static final AlphaNumericComparator NAME_COMPARATOR = new AlphaNumericComparator(new AlphaNumericConverter() {
@Override
public String toString (String name) {
return name;
}
});
@Override
public int compare (File file1, File file2) {
return file1.isDirectory() ? file2.isDirectory() ? NAME_COMPARATOR.compare(file1.getName(), file2.getName()) : -1 : file2.isDirectory() ? 1 : NAME_COMPARATOR.compare(file1.getName(), file2.getName());
}
}