001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar 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 * Sonar 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 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.plugins.checkstyle; 021 022 import org.apache.commons.io.IOUtils; 023 import org.slf4j.LoggerFactory; 024 025 import java.io.IOException; 026 import java.io.InputStream; 027 import java.util.Properties; 028 029 public enum CheckstyleVersion { 030 INSTANCE; 031 032 private static final String PROPERTIES_PATH = "/org/sonar/plugins/checkstyle/checkstyle-plugin.properties"; 033 private String version; 034 035 public static String getVersion() { 036 return INSTANCE.version; 037 } 038 039 private CheckstyleVersion() { 040 InputStream input = getClass().getResourceAsStream(PROPERTIES_PATH); 041 try { 042 Properties properties = new Properties(); 043 properties.load(input); 044 this.version = properties.getProperty("checkstyle.version"); 045 046 } catch (IOException e) { 047 LoggerFactory.getLogger(getClass()).warn("Can not load the Checkstyle version from the file " + PROPERTIES_PATH); 048 this.version = ""; 049 050 } finally { 051 IOUtils.closeQuietly(input); 052 } 053 } 054 }