001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.util;
016    
017    import java.io.File;
018    
019    /**
020     * @author Brian Wing Shun Chan
021     */
022    public class OSDetector {
023    
024            public static boolean isUnix() {
025                    if (_unix == null) {
026                            if (File.pathSeparator.equals(StringPool.COLON)) {
027                                    _unix = Boolean.TRUE;
028                            }
029                            else {
030                                    _unix = Boolean.FALSE;
031                            }
032                    }
033    
034                    return _unix.booleanValue();
035            }
036    
037            public static boolean isWindows() {
038                    if (_windows == null) {
039                            if (File.pathSeparator.equals(StringPool.SEMICOLON)) {
040                                    _windows = Boolean.TRUE;
041                            }
042                            else {
043                                    _windows = Boolean.FALSE;
044                            }
045                    }
046    
047                    return _windows.booleanValue();
048            }
049    
050            private static Boolean _unix;
051            private static Boolean _windows;
052    
053    }