/
RandomGenerator.java
47 lines (40 loc) · 1.48 KB
/
RandomGenerator.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/*
* Copyright (c) 2022 Eclipse Foundation and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.main.admin.test.tool;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.Random;
/**
* @author David Matejcek
*/
public final class RandomGenerator {
private RandomGenerator() {
// hidden
}
public static String generateRandomString() {
SecureRandom random = new SecureRandom();
// backslash and square braces are not valid for some values.
return new BigInteger(130, random).toString(16)/*.replaceAll("[\\[\\]\\\\]", "_")*/;
}
public static int generateRandomNumber() {
Random r = new Random();
return Math.abs(r.nextInt()) + 1;
}
public static int generateRandomNumber(int max) {
Random r = new Random();
return Math.abs(r.nextInt(max - 1)) + 1;
}
}