Hooking Ant up with CSSembed

gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>

<project name="cssembed" default="build_css">
    
    <!-- dirs -->
    <property name="libdir" value="${basedir}/lib" />
    <property name="sourcedir" value="${basedir}/source" />
    <property name="outputdir" value="${basedir}/build" />
    
    <!-- ant utils -->
    <taskdef resource="net/sf/antcontrib/antlib.xml">
        <classpath>
            <pathelement location="${libdir}/ant-contrib-1.0b3.jar" />
        </classpath>
    </taskdef>
    
    <!-- macros -->
    
    <macrodef name="cssembed-datauri">
        <attribute name="cssfile" />
        <attribute name="destdir" />
        <attribute name="destfile.suffix" default="datauri" />
        <sequential>
            
            <var name="cssembed-destfile" unset="true" />
            <pathconvert property="cssembed-destfile">
                <path path="@{cssfile}" />
                <chainedmapper>
                    <mapper type="flatten" />
                    <mapper type="glob" from="*.css" to="*-@{destfile.suffix}.css" />
                </chainedmapper>
            </pathconvert>
            
            <java classname="net.nczonline.web.cssembed.CSSEmbed" classpath="${libdir}/cssembed-0.3.3.jar">
                <arg line="--charset" />
                <arg line="UTF-8" />
                <arg line="-o" />
                <arg file="@{destdir}${cssembed-destfile}" />
                <arg file="@{cssfile}" />
            </java>
            
        </sequential>
    </macrodef>
    
    <macrodef name="cssembed-mhtml">
        <attribute name="cssfile" />
        <attribute name="destdir" />
        <attribute name="mhtmlroot" />
        <attribute name="destfile.suffix" default="mhtml" />
        <sequential>
            
            <var name="cssembed-destfile" unset="true" />
            <pathconvert property="cssembed-destfile">
                <path path="@{cssfile}" />
                <chainedmapper>
                    <mapper type="flatten" />
                    <mapper type="glob" from="*.css" to="*-@{destfile.suffix}.css" />
                </chainedmapper>
            </pathconvert>
            
            <java classname="net.nczonline.web.cssembed.CSSEmbed" classpath="${libdir}/cssembed-0.3.3.jar">
                <arg line="--charset" />
                <arg line="UTF-8" />
                <arg line="--mhtml" />
                <arg line="--mhtmlroot" />
                <arg line="@{mhtmlroot}" />
                <arg line="-o" />
                <arg file="@{destdir}${cssembed-destfile}" />
                <arg file="@{cssfile}" />
            </java>
            
        </sequential>
    </macrodef>
    
    <macrodef name="cssembed">
        <attribute name="cssfile" />
        <attribute name="destdir" />
        <attribute name="mhtmlroot" />
        <sequential>
            
            <cssembed-datauri cssfile="@{cssfile}" destdir="@{destdir}" />
            <cssembed-mhtml cssfile="@{cssfile}" destdir="@{destdir}" mhtmlroot="@{mhtmlroot}" />
            
        </sequential>
    </macrodef>

    <!-- targets -->

    <target name="build_css">
        <for param="cssfile">
            <path>
                <fileset dir="${sourcedir}/css/" includes="*.css" />
            </path>
            <sequential>
                
                <copy file="@{cssfile}" todir="${deployment.dir}/css/" overwrite="true" preservelastmodified="true" />
                <cssembed
                    cssfile="@{cssfile}"
                    destdir="${deployment.dir}/css/"
                    mhtmlroot="${deployment.url}/css/" />
                
            </sequential>
        </for>
    </target>
    
</project>