build.xml

<project default="build">
    <property name="src.dir" value="src"/>
    <property name="lib.dir" value="lib"/>
    <property name="build.dir" value="build"/>
    <property name="classes.dir" value="${build.dir}/classes"/>
    <property name="jars.dir" value="${build.dir}/jars"/>
    <property name="dist.name" value="classproject.jar"/>
    <!--This is the name of our distribution file -->

    <property name="junit.jar" value="${lib.dir}/junit4.8.2/junit-4.8.2.jar"/>
    <property name="commonslang.jar" value="${lib.dir}/commons-lang-2.6.jar"/>
    <property name="classpath" value="${commonslang.jar};${junit.jar}"/>

    <target name="clean" description="Erase all generated files">
        <delete dir="${build.dir}" failonerror="true"/>
    </target>

    <target name="compile">
        <mkdir dir="${classes.dir}"/>
        <javac srcdir="${src.dir}" destdir="${classes.dir}" classpath="${classpath}"/>
    </target>

    <target name="test" depends="compile">
        <junit haltonfailure="true">
            <classpath path="${junit.jar};${classes.dir};${commonslang.jar}"/>
            <formatter type="brief" usefile="false"/>
            <batchtest>
                <fileset dir="${src.dir}">
                    <include name="**/*Test*.java"/>
                </fileset>
            </batchtest>
        </junit>
    </target>

    <target name="build" depends="test" description="Full build and test">
    </target>

    <target name="jar" depends="build">
        <mkdir dir="${jars.dir}"/>
        <jar destfile="${dist.name}" basedir="${classes.dir}">
            <manifest>
                <attribute name="Main-Class"
                           value="com.example.classproject.HelloWorld"/>
                <attribute name="Class-Path" value="commons-lang-2.6.jar" />
            </manifest>
        </jar>
        <copy file="${commonslang.jar}" tofile="commons-lang-2.6.jar" />
    </target>

    <target name="release" depends="clean, jar" description="Create release package">
        <copy file="${dist.name}" todir="${build.dir}"/>
    </target>
</project>