Java Random getRandomFileName()

Description

Obtin un nume de fisier random

License

Open Source License

Declaration

public static String getRandomFileName() 

Method Source Code

//package com.java2s;
/*/* ww w.j a  v  a 2s. c  om*/
 *
 * This file is part of Genome Artist.
 *
 * Genome Artist 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.
 *
 * Genome Artist 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 Genome Artist.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import java.util.*;

public class Main {
    public final static String TRANSPOSON_EXT = "ga";

    /**
     * Obtin un nume de fisier random
     * @return
     */
    public static String getRandomFileName() {
        String charset = "!0123456789abcdefghijklmnopqrstuvwxyz";
        Random rand = new Random(System.currentTimeMillis());
        int length = 10;

        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < length; i++) {
            int pos = rand.nextInt(charset.length());
            sb.append(charset.charAt(pos));
        }

        String filename = sb.toString();
        filename += "." + TRANSPOSON_EXT;
        return filename;
    }
}

Related

1. getRandom(Collection collection)
2. getRandom(int i)
3. getRandom(int min, int max)
4. getRandomDigits(Random r, int l, int radix)
5. getRandomElement(T[] items)
6. getRandomFloat()
7. getRandomFloatArray()
8. getRandomObject()
9. getRandomPort(int low, int high)