| OSDetector.java |
1 /**
2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License as published by the Free
6 * Software Foundation; either version 2.1 of the License, or (at your option)
7 * any later version.
8 *
9 * This library is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 * details.
13 */
14
15 package com.liferay.portal.kernel.util;
16
17 import java.io.File;
18
19 /**
20 * <a href="OSDetector.java.html"><b><i>View Source</i></b></a>
21 *
22 * @author Brian Wing Shun Chan
23 */
24 public class OSDetector {
25
26 public static boolean isUnix() {
27 if (_unix == null) {
28 if (File.pathSeparator.equals(StringPool.COLON)) {
29 _unix = Boolean.TRUE;
30 }
31 else {
32 _unix = Boolean.FALSE;
33 }
34 }
35
36 return _unix.booleanValue();
37 }
38
39 public static boolean isWindows() {
40 if (_windows == null) {
41 if (File.pathSeparator.equals(StringPool.SEMICOLON)) {
42 _windows = Boolean.TRUE;
43 }
44 else {
45 _windows = Boolean.FALSE;
46 }
47 }
48
49 return _windows.booleanValue();
50 }
51
52 private static Boolean _unix;
53 private static Boolean _windows;
54
55 }