build_signjar.xml

<project name="signjar" basedir="." default="signjar"
    xmlns:if="ant:if"
    xmlns:unless="ant:unless"
>
<!--
  Example build script for signing an individual jar file.
  command line:
    jarsigner -tsa https://timestamp.geotrust.com/tsa keystore genepattern-codesign.jks runVisualizer.jar codesign
  -->
    <property name="signjar.tsaurl" value="https://timestamp.geotrust.com/tsa" />
    <macrodef name="signjar" uri="http://genepattern.org/gp">
        <attribute name="jarfile" default="${jarfile}" />
        <sequential>
            <signjar jar="@{jarfile}"
                preservelastmodified="true"
                keystore="${signjar.keystore}"
                maxmemory="1024M"
                alias="${signjar.alias}"
                storepass="${signjar.storepass}"
                tsaurl="${signjar.tsaurl}"
            />
        </sequential>
    </macrodef>

    <!-- requires ant >= 1.9, because of the "if:true" conditional attributes -->
    <!-- just for demo purposes, biggest drawback is that in verbose mode the storepass is logged in clear text --> 
    <macrodef name="signJar_asExec">
        <attribute name="jarfile" default="${jarfile}" />
        <sequential>
            <condition property="tsaurl.set" else="false">
                <isset property="signjar.tsaurl"/>
            </condition>
            <exec executable="jarsigner">
                <arg line="-tsa" if:true="${tsaurl.set}" />
                <arg line="${signjar.tsaurl}" if:true="${tsaurl.set}" />
                <arg line="keystore" />
                <arg line="${signjar.keystore}" />
                <arg line="-storepass" />
                <arg line="${signjar.storepass}" />
                <arg line="${jarfile}" />
                <arg line="${signjar.alias}" />
            </exec>
        </sequential>
    </macrodef>

    <target name="signjar"
        xmlns:gp="http://genepattern.org/gp"
    >
        <gp:signjar jarfile="${jarfile}" />
    </target>
</project>