Java Random File getRandomFilenameInDirectory(File rootFolder)

Description

get Random Filename In Directory

License

Open Source License

Declaration

public static File getRandomFilenameInDirectory(File rootFolder) 

Method Source Code

//package com.java2s;
/*//from   ww w  .  jav  a 2  s  .c o  m
 * Syncany, www.syncany.org
 * Copyright (C) 2011-2015 Philipp C. Heckel <philipp.heckel@gmail.com> 
 *
 * 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/>.
 */

import java.io.File;

import java.util.Random;

public class Main {
    private static Random randomGen = new Random();

    public static File getRandomFilenameInDirectory(File rootFolder) {
        String fileName = "rndFile-" + System.currentTimeMillis() + "-" + Math.abs(randomGen.nextInt()) + ".dat";
        File newRandomFile = new File(rootFolder, fileName);

        return newRandomFile;
    }
}

Related

1. getRandomFile(String dir)
2. getRandomFile(String testName)
3. getRandomFilename(String filePath)
4. getRandomFilename(String prefix, String sufix)