Java tutorial
/* * WebTop Services is a Web Application framework developed by Sonicle S.r.l. * Copyright (C) 2014 Sonicle S.r.l. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License version 3 as published by * the Free Software Foundation with the addition of the following permission * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED * WORK IN WHICH THE COPYRIGHT IS OWNED BY SONICLE, SONICLE DISCLAIMS THE * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA. * * You can contact Sonicle S.r.l. at email address sonicle@sonicle.com * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License version 3. * * In accordance with Section 7(b) of the GNU Affero General Public License * version 3, these Appropriate Legal Notices must retain the display of the * Sonicle logo and Sonicle copyright notice. If the display of the logo is not * reasonably feasible for technical reasons, the Appropriate Legal Notices must * display the words "Copyright (C) 2014 Sonicle S.r.l.". */ package com.sonicle.webtop.core.app.util; import java.io.BufferedReader; import java.io.File; import java.io.InputStreamReader; import org.apache.commons.lang3.StringUtils; /** * * @author malbinola */ public class OSInfo { public static String build() { String host = getCmdOutput("uname -n"); String domainName = StringUtils.defaultString(getCmdOutput("domainname")); String osName = getCmdOutput("uname -s"); if (StringUtils.isEmpty(osName)) osName = System.getProperty("os.name"); String osRelease = getCmdOutput("uname -r"); if (StringUtils.isEmpty(osRelease)) osRelease = System.getProperty("os.version"); String osVersion = StringUtils.defaultString(getCmdOutput("uname -v")); String osArch = getCmdOutput("uname -m"); if (StringUtils.isEmpty(osArch)) osArch = System.getProperty("os.arch"); // Builds string StringBuilder sb = new StringBuilder(); if (new File("/sonicle/etc/xstream.conf").exists()) { sb.append("Sonicle XStream Server"); sb.append(" - "); } sb.append(host); if (!StringUtils.isEmpty(domainName)) { sb.append(" at "); sb.append(domainName); } sb.append(" - "); sb.append(osName); sb.append(" "); sb.append(osRelease); sb.append(" "); sb.append(osVersion); sb.append(" "); sb.append(osArch); return sb.toString(); } private static String getCmdOutput(String command) { String output = null; try { Process pro = Runtime.getRuntime().exec(command); BufferedReader br = new BufferedReader(new InputStreamReader(pro.getInputStream())); output = br.readLine(); pro.waitFor(); } catch (Throwable th) { /* Do nothing! */ } return output; } }