Reading external files

    <p:declare-step
        xmlns:p="http://www.w3.org/ns/xproc"
        xmlns:l="http://xproc.org/library"
        type="l:normalize-wadls"
        xmlns:c="http://www.w3.org/ns/xproc-step"
        version="1.0"
        name="normalize-wadls-step">

        <p:input port="source"/>

        <p:output port="secondary" primary="false" sequence="true"/>
        <p:output port="result" primary="true" >
            <p:pipe step="lists-files" port="result"/>
        </p:output>

        <p:input port="parameters" kind="parameter"/>

        <p:xslt name="lists-files">
            <p:input port="source">
                <p:pipe step="normalize-wadls-step" port="source"/>
            </p:input>
            <p:input port="stylesheet">
                <p:document href="classpath:/cloud/list-wadls.xsl"/>
            </p:input>
            <p:input port="parameters" >
                <p:pipe step="normalize-wadls-step" port="parameters"/>
            </p:input>
        </p:xslt>

        <p:for-each>
            <p:iteration-source select="//@href">
                <p:pipe step="lists-files" port="secondary"/>
            </p:iteration-source>

            <p:xslt name="normalize-wadl">
                <p:input port="source"/>
                <p:input port="stylesheet">
                    <p:document href="classpath:/cloud/normalizeWadl/normalizeWadl.xsl"/>
                </p:input>
                <p:input port="parameters" >
                    <p:pipe step="normalize-wadls-step" port="parameters"/>
                </p:input>
            </p:xslt>

            <p:store encoding="utf-8" indent="true"
                omit-xml-declaration="false">
                <p:with-option name="href" select="concat('target/generated-resources/xml/xslt',replace(base-uri(/*), '^(.*/)?([^/]+)$', '$2'))"/>
            </p:store>
        </p:for-each>

    </p:declare-step>