001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2009 SonarSource SA 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.api.batch.maven; 021 022 import org.apache.commons.lang.StringUtils; 023 import org.apache.maven.model.Plugin; 024 import org.apache.maven.model.ReportPlugin; 025 import org.apache.maven.project.MavenProject; 026 import org.slf4j.LoggerFactory; 027 028 import java.nio.charset.Charset; 029 import java.util.Collection; 030 031 /** 032 * @since 1.10 033 */ 034 public final class MavenUtils { 035 036 public static final String GROUP_ID_APACHE_MAVEN = "org.apache.maven.plugins"; 037 public static final String GROUP_ID_CODEHAUS_MOJO = "org.codehaus.mojo"; 038 039 private MavenUtils() { 040 // utility class with only static methods 041 } 042 043 public static String getJavaVersion(MavenProject pom) { 044 MavenPlugin compilerPlugin = MavenPlugin.getPlugin(pom, GROUP_ID_APACHE_MAVEN, "maven-compiler-plugin"); 045 if (compilerPlugin != null) { 046 return compilerPlugin.getParameter("target"); 047 } 048 return null; 049 } 050 051 052 public static Plugin getPlugin(Collection<Plugin> plugins, String groupId, String artifactId) { 053 if (plugins != null) { 054 for (Plugin plugin : plugins) { 055 if (equals(plugin, groupId, artifactId)) { 056 return plugin; 057 } 058 } 059 } 060 return null; 061 } 062 063 public static boolean equals(Plugin plugin, String groupId, String artifactId) { 064 if (plugin != null && plugin.getArtifactId().equals(artifactId)) { 065 if (plugin.getGroupId() == null) { 066 return groupId == null || groupId.equals(MavenUtils.GROUP_ID_APACHE_MAVEN) || groupId.equals(MavenUtils.GROUP_ID_CODEHAUS_MOJO); 067 } 068 return plugin.getGroupId().equals(groupId); 069 } 070 return false; 071 } 072 073 public static boolean equals(ReportPlugin plugin, String groupId, String artifactId) { 074 if (plugin != null && plugin.getArtifactId().equals(artifactId)) { 075 if (plugin.getGroupId() == null) { 076 return groupId == null || groupId.equals(MavenUtils.GROUP_ID_APACHE_MAVEN) || groupId.equals(MavenUtils.GROUP_ID_CODEHAUS_MOJO); 077 } 078 return plugin.getGroupId().equals(groupId); 079 } 080 return false; 081 } 082 083 084 public static Charset getSourceCharset(MavenProject pom) { 085 String encoding = pom.getProperties().getProperty("project.build.sourceEncoding"); 086 if (StringUtils.isNotEmpty(encoding)) { 087 try { 088 return Charset.forName(encoding); 089 090 } catch (Throwable t) { 091 LoggerFactory.getLogger(MavenUtils.class).warn("Can not get project charset", t); 092 } 093 } 094 return Charset.defaultCharset(); 095 } 096 }