001 /* 002 * SonarQube, open source software quality management tool. 003 * Copyright (C) 2008-2014 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * SonarQube is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * SonarQube is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020 package org.sonar.process; 021 022 import org.apache.commons.io.FileUtils; 023 import org.apache.commons.io.IOUtils; 024 import org.apache.commons.lang.text.StrSubstitutor; 025 026 import java.io.File; 027 import java.io.FileReader; 028 import java.util.Enumeration; 029 import java.util.Map; 030 import java.util.Properties; 031 032 public final class ConfigurationUtils { 033 034 private ConfigurationUtils() { 035 // Utility class 036 } 037 038 public static Properties interpolateVariables(Properties properties, Map<String, String> variables) { 039 Properties result = new Properties(); 040 Enumeration keys = properties.keys(); 041 while (keys.hasMoreElements()) { 042 String key = (String) keys.nextElement(); 043 String value = (String) properties.get(key); 044 String interpolatedValue = StrSubstitutor.replace(value, variables, "${env:", "}"); 045 result.setProperty(key, interpolatedValue); 046 } 047 return result; 048 } 049 050 static Props loadPropsFromCommandLineArgs(String[] args) { 051 if (args.length != 1) { 052 throw new IllegalArgumentException("Only a single command-line argument is accepted " + 053 "(absolute path to configuration file)"); 054 } 055 056 File propertyFile = new File(args[0]); 057 Properties properties = new Properties(); 058 FileReader reader = null; 059 try { 060 reader = new FileReader(propertyFile); 061 properties.load(reader); 062 } catch (Exception e) { 063 throw new IllegalStateException("Could not read properties from file: " + args[0], e); 064 } finally { 065 IOUtils.closeQuietly(reader); 066 FileUtils.deleteQuietly(propertyFile); 067 } 068 return new Props(properties); 069 } 070 }