1 /* 2 * Copyright (c) 2011, 2016, 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 package com.sun.javafx.tools.ant; 26 27 import java.io.BufferedReader; 28 import java.io.IOException; 29 import java.io.InputStream; 30 import java.io.InputStreamReader; 31 import java.util.logging.Level; 32 import java.util.logging.Logger; 33 34 35 final class VersionCheck { 36 37 private VersionCheck() {}; 38 39 private static final String RESOURCES_VERSION_PROPERTIES = "/resources/version.properties"; 40 private static final String JAVA_VERSION = "java.version"; 41 42 private static String getVersion() { 43 String result = ""; 44 InputStream in = VersionCheck.class.getResourceAsStream(RESOURCES_VERSION_PROPERTIES); 45 BufferedReader reader = new BufferedReader(new InputStreamReader(in)); 46 47 try { 48 String line = reader.readLine(); 49 if (!line.isEmpty()) { 50 String[] parts = line.split("="); 51 if (parts.length == 2) { 52 result = parts[1]; 53 } 54 } 55 } catch (IOException ex) { 56 } 57 58 return result; 59 } 60 61 public static boolean isSameVersion() { 62 boolean result = false; 63 64 String jarVersion = getVersion(); 65 String runtimeVersion = System.getProperty(JAVA_VERSION); 66 67 if (!jarVersion.isEmpty() && !runtimeVersion.isEmpty() && 68 jarVersion.equals(runtimeVersion)) { 69 result = true; 70 } 71 72 return result; 73 } 74 }