[CONF] Apache Sling Website: XSLT Processing Pipeline (page edited)

Fri, 03 Apr 2009 05:07:33 -0700

Page Edited : SLINGxSITE : XSLT Processing Pipeline

XSLT Processing Pipeline has been edited by Bertrand Delacretaz (Apr 03, 2009).

(View changes)

Content:

In the Apache Sling Scripting W3C XML Processing Support bundle, Juan Jo Vazquez has implemented XSLT processing support for Sling as another new scripting engine, based on the Cocoon 3 pipeline engine.

The source code is found in the contrib/scripting/xproc module.

Simple

This is just a very simple initial sample - more samples and details to come.

1. Install the org.apache.sling.scripting.xproc bundle by either building it from contrib/scripting/xproc folder in the Sling trunk or by dowloading it from the Apache Snapshot repository here: org.apache.sling.scripting.xproc-2.0.0-incubator-20090403.114403-1.jar

2. Create some content

$ curl -F sling:resourceType=xproc -F title="some title" -F text="And some text" http://admin:ad...@localhost:8888/foo



3. Create a pipeline script at /apps/xproc/xproc.xpl :





<?xml version="1.0" encoding="UTF-8"?>
<p:pipeline xmlns:p="http://www.w3.org/ns/xproc">

  <p:xslt>
    <p:input port="stylesheet">
      <p:document href="" class="code-quote">"/apps/xproc/one.xsl"/>
    </p:input>
  </p:xslt>

  <p:xslt>
    <p:input port="stylesheet">
      <p:document href="" class="code-quote">"/apps/xproc/two.xsl"/>
    </p:input>
  </p:xslt>

</p:pipeline>





4. Store the XSLT transforms in the repository:



/apps/xproc/one.xsl


<xsl:stylesheet version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>

<xsl:template match="/">
  <one>
    <xsl:copy-of select="."/>
  </one>
</xsl:template>

</xsl:stylesheet>





/apps/xproc/two.xsl


<xsl:stylesheet version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>

<xsl:template match="/">
  <two>
    <xsl:copy-of select="."/>
  </two>
</xsl:template>

</xsl:stylesheet>





5. Request foo.html to execute the pipeline:





$ curl http://admin:ad...@localhost:8888/foo.html

<?xml version="1.0" encoding="UTF-8"?>
<two>
  <one>
    <foo ...sling:resourceType="xproc" text="And some text" title="some title"/>
  </one>
</two>

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