<project xmlns:ivy="antlib:org.apache.ivy.ant" name="java-build-tools" default="jar">

<property name="src.dir" value="src"/>

<property name="build.dir" value="build"/>

<property name="classes.dir" value="${build.dir}/classes"/>

<property name="jar.dir" value="${build.dir}/jar"/>

<property name="lib.dir" value="lib" />

<path id="lib.path.id">

<fileset dir="${lib.dir}" />

</path>

<target name="resolve">

<ivy:retrieve />

</target>

<target name="clean">

<delete dir="${build.dir}"/>

</target>

<target name="compile" depends="resolve">

<mkdir dir="${classes.dir}"/>

<javac srcdir="${src.dir}" destdir="${classes.dir}" classpathref="lib.path.id"/>

</target>

<target name="jar" depends="compile">

<mkdir dir="${jar.dir}"/>

<jar destfile="${jar.dir}/${ant.project.name}.jar" basedir="${classes.dir}"/>

</target>

</project>