build.xml

<project name="SolrPasswordHash" default="dist" basedir=".">
    <description>Calculate hash with random salt for Solr authentication from given password.</description>
    <!-- set global properties for this build -->
    <property name="lib" location="lib"/>
    <property name="src" location="src"/>
    <property name="build" location="bin"/>
    <property name="codecs.version" value="1.15"/>
    <property name="codecs.url" value="https://archive.apache.org/dist/commons/codec/binaries"/>
    <property name="codecs.archive" value="commons-codec-${codecs.version}-bin.tar.gz"/>

    <path id="project.class.path">
        <pathelement path="${java.class.path}/"/>
        <fileset dir="${lib}">
            <include name="**/*.jar"/>
        </fileset>
    </path>

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

    <target name="distclean" depends="clean">
        <delete file="${ant.project.name}.jar"/>
        <delete>
            <fileset dir="." includes="*.tar.gz"/>
        </delete>
    </target>

    <target name="fetch">
        <get src="${codecs.url}/${codecs.archive}" dest="${codecs.archive}" skipexisting="true" verbose="true"/>
    </target>

    <target name="unpack" depends="fetch">
        <untar src="${codecs.archive}" dest="${lib}" compression="gzip" overwrite="false">
            <patternset>
                <include name="*/commons-codec-*.jar"/>
                <exclude name="*/commons-codec-*-*.jar"/>
            </patternset>
            <mapper type="flatten"/>
        </untar>
    </target>

    <target name="compile" depends="clean, unpack">
        <mkdir dir="${build}"/>
        <javac srcdir="${src}" destdir="${build}" classpathref="project.class.path" includeantruntime="false"/>
    </target>

    <target name="dist" depends="compile">
        <jar destfile="${ant.project.name}.jar" basedir="${build}">
            <manifest>
                <attribute name="Main-Class" value="${ant.project.name}"/>
            </manifest>
            <zipgroupfileset dir="${lib}" includes="**/*.jar"/>
        </jar>
    </target>
</project>