ant/sonarqube.xml

<project default="sonar" basedir=".">

  <!-- gets overridden by the jenkins job -->
  <property name="sonar.host.url" value="http://localhost:9000" />
  <property name="sonar.login" value="xxx" />

  <!-- source SonarQube project properties -->
  <property file="sonar-project.properties"/>

  <property name="downloads" location="build/downloads"/>
  <property name="sonarqube-ant-task-jar" location="${downloads}/sonarqube-ant-task.jar"/>
  <property name="sonarqube-ant-task-url"
            value="https://binaries.sonarsource.com/Distribution/sonarqube-ant-task/sonarqube-ant-task-2.6.0.1426.jar"/>

  <target name="download">
    <mkdir dir="${downloads}"/>
    <get dest="${sonarqube-ant-task-jar}" src="${sonarqube-ant-task-url}"/>
  </target>

  <target name="build-classes">
    <ant antfile="launch-build.xml">
      <property name="args" value="-Djenkins=t"/>
    </ant>
  </target>

  <target name="sonar" depends="build-classes,download">
    <taskdef uri="antlib:org.sonar.ant" resource="org/sonar/ant/antlib.xml">
        <classpath path="${sonarqube-ant-task-jar}" />
    </taskdef>

    <sonar:sonar xmlns:sonar="antlib:org.sonar.ant"/>
  </target>
</project>