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  }