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/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library 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.
*
* WebLookAndFeel library 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 WebLookAndFeel library. If not, see .
*/
package com.alee.utils.file;
import com.alee.utils.CompareUtils;
import com.alee.utils.FileUtils;
import java.io.File;
import java.io.Serializable;
import java.util.Comparator;
/**
* File name and type comparator.
* This comparator is used by some file components by default.
*
* @author Mikle Garin
*/
public class FileComparator implements Comparator, Serializable
{
/**
* Compares two files by their names and type.
*
* @param f1 first file to be compared
* @param f2 second file to be compared
* @return a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second
*/
@Override
public int compare ( final File f1, final File f2 )
{
if ( FileUtils.isDirectory ( f1 ) && !FileUtils.isDirectory ( f2 ) )
{
return -1;
}
else if ( !FileUtils.isDirectory ( f1 ) && FileUtils.isDirectory ( f2 ) )
{
return 1;
}
else if ( FileUtils.isHidden ( f1 ) && !FileUtils.isHidden ( f2 ) )
{
return -1;
}
else if ( !FileUtils.isHidden ( f1 ) && FileUtils.isHidden ( f2 ) )
{
return 1;
}
else
{
return CompareUtils.compareNames ( f1.getName (), f2.getName () );
}
}
}
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