build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="gradebook" default="default" basedir=".">

  <target name="init">
    <mkdir dir="target"/>
    <mkdir dir="target/classes"/>
    <mkdir dir="target/reports"/>

    <path id="classpath">
      <pathelement path="target/classes"/>
      <fileset dir="lib" includes="**/*.jar"/>
    </path>    
  </target>

  <target name="compile" depends="init">
    <javac srcdir="src/main/java"
           destdir="target/classes"
           classpathref="classpath"
           source="1.7"
           target="1.7"
           includeantruntime="yes"/>
  </target>

  <target name="compile-tests" depends="compile">
    <javac srcdir="src/test/java"
           destdir="target/classes"
           classpathref="classpath"
           source="1.7"
           target="1.7"
           includeantruntime="yes"/>
  </target>

  <target name="test" depends="compile-tests">
      <junit printsummary="yes" haltonfailure="no">
        <classpath refid="classpath"/>
        <formatter type="plain"/>
        <batchtest fork="yes" todir="target/reports">
          <fileset dir="src/test/java">
            <include name="**/*Test.java"/>
          </fileset>
        </batchtest>
      </junit>
  </target>

  <taskdef resource="checkstyletask.properties"
           classpath="lib/checkstyle-5.6-all.jar"/>
  
  <target name="checkstyle" depends="init"
          description="Generates a report of code convention violations.">
    <checkstyle config="sun_checks.xml">
      <classpath refid="classpath"/>
      <fileset dir="src/main/java" includes="**/*.java"/>
      <formatter type="plain" toFile="target/reports/checkstyle.txt"/>
    </checkstyle>
  </target>

</project>