xml - Xproc: passing a dynamic href to <p:http-request> -

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i have pipeline runs xslt on input, doing put of result database via <p:http-request> step.

the tricky bit here need build dynamic href using metadata output of <p:xslt> xml.

pseudo code here of i'm trying achieve:

  <p:xslt name="xslt1">             <p:input port="stylesheet">                 <p:document href="xslt-1.xslt" />             </p:input>         </p:xslt>      <p:variable name="href" select="concat('http://localhost:8000/myrestendpoint?uri=/mydb/', /*/@name, /*/@number,'.xml')"/>          <p:sink />          <p:insert position="first-child" match="c:body">             <p:input port="source">                     <p:inline>                         <c:request                              href="{$href}"                              auth-method="basic"                              username="user"                              password="pw"                              method="put">                             <c:body content-type="text/xml" >                             </c:body>                         </c:request>                      </p:inline>                         </p:input>             <p:input port="insertion">                 <p:pipe step="xslt1" port="result" />                     </p:input>         </p:insert>      <p:http-request  omit-xml-declaration="false" encoding="utf-8">        <p:input port="source"/>     </p:http-request>

as can see in <p:variable> step, i'm trying build string , construct attribute values output xml of <p:xslt> step , feed <c:request> step's href option.

i've tried adding <p:attribute match> step alter href attribute before <p:http-request> doesn't grab /*/@name , /*/@number values need:

<p:add-attribute match="/c:request" attribute-name="href">     <p:with-option name="attribute-value" select="concat('http://localhost:8000/myrestendpoint?uri=/mydb/', /*/@name, /*/@number,'.xml')"/> </p:add-attribute>

alright able figure out.

looks adding <p:add-attribute> step right approach , issue here error in xpath...

<p:with-option name="attribute-value" select="concat('http://localhost:8000/myrestendpoint?uri=/mydb/', /*/*/@name, /*/*/@number,'.xml')"/>

since put body wrapped in element, needed go 1 more level down reach metadata needed @ root element of xml document (xslt1 output), xpath values needed updated /*/*/@name , /*/*/@number.


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