build.xml

<project name="JBIG2-Image-Decoder" basedir="." default="package">
    <property name="build" value="build"/>
    <property name="target" value="target"/>
    <property file="build.properties"/>

    <target name="clean">
        <delete dir="${build}"/>
        <delete dir="${target}"/>
    </target>

    <target name="init" depends="clean">
        <mkdir dir="${build}"/>
        <mkdir dir="${target}"/>
    </target>

    <target name="build" depends="init">
        <!-- Compile the java code -->
        <javac srcdir="src" destdir="${build}" source="1.8" target="1.8"/>
    </target>

    <target name="package" depends="build">
        <!-- Build the jar file -->
        <jar basedir="${build}" destfile="${target}/jbig2.jar"/>
    </target>
</project>