Add MavenInitializer

* Configures Java versions and encoding of sources based on Maven POM

2 files changed, 69 insertions, 0 deletions

diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java
index c56ab2192ef..18113235d1d 100644
--- a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java
+++ b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/CorePlugin.java
@@ -26,6 +26,7 @@ import org.sonar.api.Properties;
 import org.sonar.api.Property;
 import org.sonar.api.checks.NoSonarFilter;
 import org.sonar.api.resources.Java;
+import org.sonar.plugins.core.batch.MavenInitializer;
 import org.sonar.plugins.core.batch.ExcludedResourceFilter;
 import org.sonar.plugins.core.charts.DistributionAreaChart;
 import org.sonar.plugins.core.charts.DistributionBarChart;
@@ -171,6 +172,9 @@ public class CorePlugin implements Plugin {
   public List getExtensions() {
     List extensions = Lists.newLinkedList();
 
+    // maven
+    extensions.add(MavenInitializer.class);
+
     // languages
     extensions.add(Java.class);
 
diff --git a/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/batch/MavenInitializer.java b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/batch/MavenInitializer.java
new file mode 100644
index 00000000000..a76799deba1
--- /dev/null
+++ b/plugins/sonar-core-plugin/src/main/java/org/sonar/plugins/core/batch/MavenInitializer.java
@@ -0,0 +1,65 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2008-2011 SonarSource
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.plugins.core.batch;
+
+import org.apache.commons.configuration.Configuration;
+import org.apache.commons.lang.StringUtils;
+import org.apache.maven.project.MavenProject;
+import org.sonar.api.CoreProperties;
+import org.sonar.api.batch.Initializer;
+import org.sonar.api.batch.SupportedEnvironment;
+import org.sonar.api.batch.maven.MavenUtils;
+import org.sonar.api.resources.Project;
+import org.sonar.api.utils.Logs;
+import org.sonar.java.api.JavaUtils;
+
+@SupportedEnvironment("maven")
+public class MavenInitializer extends Initializer {
+
+  @Override
+  public void execute(Project project) {
+    MavenProject pom = project.getPom();
+    Configuration conf = project.getConfiguration();
+    /*
+     * See http://jira.codehaus.org/browse/SONAR-2148
+     * Get Java source and target versions from maven-compiler-plugin.
+     */
+    if (StringUtils.isBlank(conf.getString(JavaUtils.JAVA_SOURCE_PROPERTY))) {
+      String version = MavenUtils.getJavaSourceVersion(pom);
+      conf.setProperty(JavaUtils.JAVA_SOURCE_PROPERTY, version);
+      Logs.INFO.info("Java source version: {}", version);
+    }
+    if (StringUtils.isBlank(conf.getString(JavaUtils.JAVA_TARGET_PROPERTY))) {
+      String version = MavenUtils.getJavaVersion(pom);
+      conf.setProperty(JavaUtils.JAVA_TARGET_PROPERTY, version);
+      Logs.INFO.info("Java target version: {}", version);
+    }
+    /*
+     * See http://jira.codehaus.org/browse/SONAR-2151
+     * Get source encoding from POM
+     */
+    if (StringUtils.isBlank(conf.getString(CoreProperties.ENCODING_PROPERTY))) {
+      String encoding = MavenUtils.getSourceEncoding(pom);
+      conf.setProperty(CoreProperties.ENCODING_PROPERTY, encoding);
+      Logs.INFO.info("Source encoding: {}", encoding);
+    }
+  }
+
+}