1 /* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.oracle.tools.packager; 27 28 import java.util.regex.Pattern; 29 30 /** 31 * Use <code>Platform</code> to detect the operating system that is currently running. 32 * 33 * Example: 34 * 35 * Platform platform = Platform.getPlatform(); 36 * 37 * switch(platform) { 38 * case Platform.MAC: { 39 * //TODO Do something 40 * break; 41 * } 42 * case Platform.WINDOWS: 43 * case Platform.LINUX: { 44 * //TODO Do something else 45 * } 46 * } 47 */ 48 49 public enum Platform {UNKNOWN, WINDOWS, LINUX, MAC; 50 private static final Platform platform; 51 private static final int majorVersion; 52 private static final int minorVersion; 53 54 static { 55 String os = System.getProperty("os.name").toLowerCase(); 56 57 if (os.indexOf("win") >= 0) { 58 platform = Platform.WINDOWS; 59 } 60 else if (os.indexOf("nix") >= 0 || os.indexOf("nux") >= 0) { 61 platform = Platform.LINUX; 62 } 63 else if (os.indexOf("mac") >= 0) { 64 platform = Platform.MAC; 65 } 66 else { 67 platform = Platform.UNKNOWN; 68 } 69 70 String version = System.getProperty("os.version").toString(); 71 String[] parts = version.split(Pattern.quote(".")); 72 73 if (parts.length > 0) { 74 majorVersion = Integer.parseInt(parts[0]); 75 76 if (parts.length > 1) { 77 minorVersion = Integer.parseInt(parts[0]); 78 } 79 else { 80 minorVersion = -1; 81 } 82 } 83 else { 84 majorVersion = -1; 85 minorVersion = -1; 86 } 87 } 88 89 private Platform() {} 90 91 public static Platform getPlatform() { 92 return platform; 93 } 94 95 public static int getMajorVersion() { 96 return majorVersion; 97 } 98 99 public static int getMinorVersion() { 100 return minorVersion; 101 } 102 }