source: trunk/openjdk/jaxp/build-drop-template.xml

<?xml version="1.0"?>
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<project name="@DROP@-drop" default="all" basedir=".">

    <!-- Locations of master drop bundles. -->
    <property name="@DROP@.master.bundle.copy"
              value="${@DROP@.master.bundle.dir}/${@DROP@.bundle.name}"/>
    <property name="@DROP@.master.bundle.url"
              value="${@DROP@.master.bundle.url.base}/${@DROP@.bundle.name}"/>

    <!-- Location where the copied bundle lands. -->
    <property name="@DROP@.bundle.copy"
              value="${drop.expanded.dir}/bundles/${@DROP@.bundle.name}"/>

    <!-- Root of exploded area. -->
    <property name="@DROP@.root.dir" value="${drop.dir}/@DROP@"/>
    <property name="@DROP@.src.dir" value="${@DROP@.root.dir}/src"/>

    <!-- To see if the drop areas are ready. (ignoring bundles) -->
    <target name="-@DROP@-ready">
        <condition property="@DROP@.ready">
            <or>
                <available file="${drop.included.dir}" type="dir"/>
                <and>
                    <available file="${@DROP@.root.dir}" type="dir"/>
                    <available file="${@DROP@.root.dir}/PATCHED" type="file"/>
                </and>
            </or>
        </condition>
    </target>

    <!-- Copy over bundles from some shared master area. -->
    <condition property="@DROP@.master.bundle.copy.exists">
        <available file="${@DROP@.master.bundle.copy}" type="file"/>
    </condition>
    <target name="-@DROP@-copy-bundle"
            depends="init, -@DROP@-ready"
            if="@DROP@.master.bundle.copy.exists"
            unless="@DROP@.ready">
        <echo message="Copying from ${@DROP@.master.bundle.copy}"/>
        <dirname property="@DROP@.bundle.dirname" file="${@DROP@.bundle.copy}"/>
        <mkdir dir="${@DROP@.bundle.dirname}"/>
        <delete file="${@DROP@.bundle.copy}.temp"/>
        <delete file="${@DROP@.bundle.copy}"/>
        <copy file="${@DROP@.master.bundle.copy}" tofile="${@DROP@.bundle.copy}.temp"/>
        <move file="${@DROP@.bundle.copy}.temp" tofile="${@DROP@.bundle.copy}"/>
        <property name="@DROP@.master.bundle.found" value="true"/>
    </target>

    <!-- Determine if the master url download should be used. -->
    <target name="-@DROP@-url-should-be-used" unless="@DROP@.url.should.be.used">
        <condition property="@DROP@.url.should.be.used">
            <and>
                <istrue value="${allow.downloads}"/>
                <not>
                    <isset property="@DROP@.master.bundle.copy.exists"/>
                </not>
            </and>
        </condition>
    </target>

    <!-- Download bundles from a url. -->
    <target name="-@DROP@-url-bundle"
            depends="init, -@DROP@-ready, -@DROP@-url-should-be-used"
            if="@DROP@.url.should.be.used"
            unless="@DROP@.ready">
        <echo message="Downloading from ${@DROP@.master.bundle.url}"/>
        <dirname property="@DROP@.bundle.dirname" file="${@DROP@.bundle.copy}"/>
        <mkdir dir="${@DROP@.bundle.dirname}"/>
        <delete file="${@DROP@.bundle.copy}.temp"/>
        <delete file="${@DROP@.bundle.copy}"/>
        <get src="${@DROP@.master.bundle.url}" dest="${@DROP@.bundle.copy}.temp"/>
        <move file="${@DROP@.bundle.copy}.temp" tofile="${@DROP@.bundle.copy}"/>
        <property name="@DROP@.master.bundle.found" value="true"/>
    </target>
    
    <!-- Fill in the drop zones, but just when needed. -->
    <target name="@DROP@-update"
            depends="init, 
                     -@DROP@-copy-bundle,
                     -@DROP@-url-bundle,
                     -@DROP@-ready"
            if="@DROP@.master.bundle.found"
            unless="@DROP@.ready">
        <delete dir="${@DROP@.root.dir}"/>
        <delete dir="${@DROP@.root.dir}-temp"/>
        <mkdir dir="${@DROP@.root.dir}-temp"/>
        <checksum file="${@DROP@.bundle.copy}" 
                  property="@DROP@.bundle.md5.checksum.is"/>
        <condition property="@DROP@.bundle.md5.checksum.good">
            <equals arg1="${@DROP@.bundle.md5.checksum}"
                    arg2="${@DROP@.bundle.md5.checksum.is}"/>
        </condition>
        <fail unless="@DROP@.bundle.md5.checksum.good">
              Checksum on file ${@DROP@.bundle.copy} is 
              ${@DROP@.bundle.md5.checksum.is}, not ${@DROP@.bundle.md5.checksum}
        </fail>
        <unzip src="${@DROP@.bundle.copy}" dest="${@DROP@.root.dir}-temp"/>
        <move file="${@DROP@.root.dir}-temp" tofile="${@DROP@.root.dir}"/>
        <touch>
            <fileset dir="${@DROP@.root.dir}"/>
        </touch>
        <condition property="patch.utility" value="gpatch" else="patch">
            <os name="SunOS"/>
        </condition>
        <apply executable="${patch.utility}"
                   dir="${@DROP@.root.dir}"
                   parallel="false"
                   failonerror="true"
                   verbose="true">
            <arg value="-l"/>
            <arg value="-p0"/>
            <arg value="-i"/>
            <filelist dir="${patches.dir}/@DROP@" files="${@DROP@.patch.list}"/>
        </apply>
        <echo file="${@DROP@.root.dir}/PATCHED"
              message="Patches have been applied."/>
    </target>

</project>