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 }