commons.java subversion repository
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| Rev: 679 - https://secure.bioinfweb.info/Code/svn/commons.java / trunk / main / info.bioinfweb.commons.core / src / info / bioinfweb / commons / SystemUtils.java | |
| Show File - SystemUtils.java [show properties] |
| 1 | /* |
| 2 | * bioinfweb.commons.java - Shared components of bioinfweb projects made available in a Java library |
| 3 | * Copyright (C) 2008-2011, 2013-2018 Ben Stöver, Sarah Wiechers |
| 4 | * <http://commons.bioinfweb.info/Java> |
| 5 | * |
| 6 | * This file is free software: you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU Lesser General Public License as published by |
| 8 | * the Free Software Foundation, either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This file is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | package info.bioinfweb.commons; |
| 20 | |
| 21 | |
| 22 | |
| 23 | /** |
| 24 | * An extension of the apache commons class {@link org.apache.commons.lang3.SystemUtils}. |
| 25 | * |
| 26 | * @author Ben Stöver |
| 27 | */ |
| 28 | public class SystemUtils extends org.apache.commons.lang3.SystemUtils { |
| 29 | public static final boolean IS_64_BIT_ARCHITECTURE = is64BitArchitecture(); |
| 30 | |
| 31 | |
| 32 | /** |
| 33 | * It is unnecessary to create instances of this class. |
| 34 | */ |
| 35 | protected SystemUtils() { |
| 36 | super(); |
| 37 | } |
| 38 | |
| 39 | |
| 40 | private static boolean is64BitArchitecture() { |
| 41 | String arch = System.getenv("PROCESSOR_ARCHITECTURE"); |
| 42 | String wow64Arch = System.getenv("PROCESSOR_ARCHITEW6432"); |
| 43 | |
| 44 | if (IS_OS_WINDOWS) { |
| 45 | return arch.endsWith("64") || wow64Arch != null && wow64Arch.endsWith("64"); |
| 46 | } |
| 47 | else { |
| 48 | return System.getProperty("os.arch").contains("64"); |
| 49 | } |
| 50 | } |
| 51 | } |
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