1 /* 2 * Copyright (c) 2018, 2019, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jnlp.converter; 25 26 import java.util.regex.Pattern; 27 28 public enum Platform { 29 UNKNOWN, WINDOWS, LINUX, MAC; 30 private static final Platform platform; 31 private static final int majorVersion; 32 private static final int minorVersion; 33 34 static { 35 String os = System.getProperty("os.name").toLowerCase(); 36 37 if (os.contains("win")) { 38 platform = Platform.WINDOWS; 39 } else if (os.contains("nix") || os.contains("nux")) { 40 platform = Platform.LINUX; 41 } else if (os.contains("mac")) { 42 platform = Platform.MAC; 43 } else { 44 platform = Platform.UNKNOWN; 45 } 46 47 String version = System.getProperty("os.version"); 48 String[] parts = version.split(Pattern.quote(".")); 49 50 if (parts.length > 0) { 51 majorVersion = Integer.parseInt(parts[0]); 52 53 if (parts.length > 1) { 54 minorVersion = Integer.parseInt(parts[0]); 55 } else { 56 minorVersion = -1; 57 } 58 } else { 59 majorVersion = -1; 60 minorVersion = -1; 61 } 62 } 63 64 private Platform() { 65 } 66 67 public static Platform getPlatform() { 68 return platform; 69 } 70 71 public static boolean isWindows() { 72 return (platform == Platform.WINDOWS); 73 } 74 75 public static int getMajorVersion() { 76 return majorVersion; 77 } 78 79 public static int getMinorVersion() { 80 return minorVersion; 81 } 82 }