build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project default="all" name="webstart">

    <description>eXist-db client packed in a XAR</description>

    <!-- import default properties from file -->
    <property file="local.build.properties"/>
    <property file="build.properties"/>

    <!-- import properties from eXist-db -->
    <property file="${exist.home}/build.properties"/>

    <!-- Load ant contrib from exist-home -->
    <taskdef resource="net/sf/antcontrib/antlib.xml">
        <classpath>
            <pathelement location="${exist.home}/tools/ant/lib/ant-contrib-1.0b3.jar"/>
        </classpath>
    </taskdef>

    <!-- derive properties from expath-pkg.xml -->
    <xmlproperty file="expath-pkg.xml.tmpl"/>
    <property name="xar.version" value="${package(version)}"/>
    <property name="xar.app" value="${package(abbrev)}"/>

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

    <!-- flag to prevent regeneration of keystore -->
    <available file="${keystore.file}" property="keystore.present"/>

    <target name="all" depends="keygen,prepare,repack,sign,pack,clean,xar" description="Generate signed JAR files"/>

    <target name="sign" description="Sign JAR files">
        <echo message="Signing libs in '${work.dir}'"/>
        <signjar tsaurl="${tsa.url}" alias="${keystore.alias}" keystore="${keystore.file}"
            storepass="${keystore.password}" lazy="true" storetype="${keystore.type}">
            <path>
                <fileset dir="${work.dir}" includes="*.jar"/>
            </path>
        </signjar>
    </target>

    <target name="repack" description="Repack JAR files">
        <echo message="Repacking libs in '${work.dir}'"/>
        <apply executable="pack200" parallel="false">
            <arg value="--repack"/>
            <arg value="--segment-limit=-1"/>
            <arg value="--no-keep-file-order"/>
            <arg value="--strip-debug"/>
            <fileset dir="${work.dir}" includes="*.jar"/>
        </apply>
    </target>

    <target name="keygen" description="Generate (dummy) keystore file" unless="keystore.present">
        <echo message="Generating keystore file '${keystore.file}'"/>
        <genkey alias="${keystore.alias}" storepass="${keystore.password}" keystore="${keystore.file}" verbose="false"
            storetype="${keystore.type}" validity="10000">
            <dname>
                <param name="CN" value="eXist-db java client"/>
                <param name="OU" value="eXist-db"/>
                <param name="O" value="eXist-db.org"/>
                <param name="C" value="NL"/>
            </dname>
        </genkey>
    </target>

    <target name="pack" description="Pack JAR files">
        <echo message="Pack200'ing jar files in '${work.dir}'"/>
        <apply executable="pack200" parallel="false" dest="${work.dir}">
            <arg value="--modification-time=latest"/>
            <arg value="--deflate-hint=true"/>
            <arg value="--segment-limit=-1"/>          
            <arg value="--effort=9"/>
            <targetfile/>
            <srcfile/>
            <fileset dir="${work.dir}" includes="**/*.jar"/>
            <mapper type="glob" from="*" to="*.pack.gz"/>
        </apply>
    </target>

    <target name="clean-all" description="Cleanup all files">
        <delete dir="${work.dir}" failonerror="false"/>
        <delete dir="${build.dir}" failonerror="false"/>
        <!--<delete file="${keystore.file}" failonerror="false"/>-->
        <delete file="expath-pkg.xml" failonerror="false"/>
    </target>

    <target name="clean" description="Cleanup jar and xar files">
        <delete failonerror="false">
            <fileset dir="${work.dir}" includes="*.jar"/>
            <fileset dir="${build.dir}" includes="*.xar"/>
        </delete>
    </target>

    <target name="prepare" description="Prepare">
        <mkdir dir="${work.dir}"/>

        <!-- copy and rename exist.jar to include version number -->
        <copy file="${exist.home}/exist.jar" tofile="${work.dir}/exist-${project.version}.jar" overwrite="true"/>

        <!-- copy all required JAR files from exist, note that only a subset of JAR files is required -->
        <copy todir="${work.dir}" overwrite="true">
            <fileset dir="${exist.home}/lib/core">
                <include name="commons-io-*.jar"/>
                <include name="commons-pool-*.jar"/>
                <include name="j8fu-*.jar"/>
                <include name="jargo-*.jar"/>
                <include name="jline-*.jar"/>
                <include name="log4j-api-*.jar"/>
                <include name="log4j-core-*.jar"/>
                <!--<include name="log4j-jul-*.jar"/>-->
                <!-- log4j-slf4j-impl-2.9.0.jar -->
                <include name="rsyntaxtextarea-*.jar"/>
                <include name="ws-commons-util-*.jar"/>
                <include name="xmldb*.jar"/>
                <include name="xmlrpc-client-*.jar"/>
                <include name="xmlrpc-common-*.jar"/>
            </fileset>
        </copy>

        <!-- parse expath-pkg.xml template to include exist-db version -->
        <copy file="expath-pkg.xml.tmpl" tofile="expath-pkg.xml" overwrite="true">
            <filterchain>
                <tokenfilter>
                    <replacestring from="EXIST_VERSION" to="${project.version}"/>
                </tokenfilter>
            </filterchain>
        </copy>

        <!-- store existdb version inside XAR file -->
        <echoxml file="exist-config.xml">
            <exist>
                <version>${project.version}</version>
            </exist>
        </echoxml>

        <!-- create jar file that includes log4j2 configuration -->
        <jar destfile="${work.dir}/log4j-configuration.jar" basedir="src" includes="*.xml"/>

        <!-- iterate over all jar files and add attirbutes to manifest file -->
        <!-- https://docs.oracle.com/javase/8/docs/technotes/guides/deploy/manifest.html  -->
        <for param="jarFile">
            <path>
                <fileset dir="${work.dir}">
                    <include name="*.jar"/>
                </fileset>
            </path>
            <sequential>
                <jar update="true" file="@{jarFile}">
                    <manifest>
                        <!-- allow the application to run anywhere 
                             https://docs.oracle.com/javase/tutorial/deployment/deploymentInDepth/deployingWithoutCodebase.html -->
                        <attribute name="Codebase" value="*"/>

                        <!-- the appliction needs to be able to access localfiles, so 'sandbox' is not sufficient -->
                        <attribute name="Permissions" value="all-permissions"/>

                        <!-- this name is visible in the security window -->
                        <attribute name="Application-Name" value="eXist Native XML Database Client"/>
                    </manifest>
                </jar>
            </sequential>
        </for>
    </target>

    <target name="xar" description="Build XAR file">
        <echo message="Build XAR file in '${build.dir}'"/>
        <mkdir dir="${build.dir}"/>
        <zip basedir="." destfile="${build.dir}/${xar.app}-${project.version}.xar"
            excludes="${build.dir}/*,.idea/*,${keystore.file},.exist*"/>
    </target>

</project>