I have a set of XSP/ESQL based pipelines that generate XML documents from an Oracle database. Essentially I'm using them as a sort of customized SQL/XML bridge, and I've been very happy with Cocoon for that purpose so far. (I'm using Cocoon 2.1.4 on Linux, but will upgrade to 2.1.5 at some point.)
Now I'd like to combine several of those individual XML documents into a single document. I know there are many possible approaches - map:aggregate, CInclude transformer, XInclude, taglibs, etc, etc. I've read through the online docs and the Cocoon Wiki, but I haven't found anything that makes sense yet.
What makes this more challenging are the following restrictions:
1. There's not one static list of sub-documents to include - it's based on the request, with a mapping that changes fairly frequently, so I'd rather not put it in my sitemap if I can easily avoid it.
Mapping to frequently changing sources can be done using Cinclude.
From sitemap.xmap you may call transformer with parameters from request like here:
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<map:match pattern="**.include">
<map:generate src="logics/includes.xsl"/>
<map:transform src="logics/includes.xsl">
<map:parameter name="path" value="{1}"/>
</map:transform>
<map:transform type="cinclude"/>
<map:serialize type="xml"/>
</map:match>
=======================================================================
And this is "includes.xsl" putting together pieces from pipeline along with pieces from changing source like
<ci:include src="{$newpath}" select="..."/>
=======================================================================
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:ci="http://apache.org/cocoon/include/1.0";>
<xsl:param name="path"/>
<xsl:variable name="newpath">
<xsl:value-of select="$path"/>
<xsl:if test="$path=''">index.html</xsl:if>
<xsl:if test="substring($path, string-length($path), 1) = '/' ">
index.html
</xsl:if>
</xsl:variable>
<xsl:template match="/">
<html>
<head>
<ci:include src="{$newpath}"
select="//*[local-name()='head']/*"/>
<ci:include src="cocoon:/{$newpath}.navtoolbar"
select="links/*"/>
</head>
<body>
<ci:include src="cocoon:/{$newpath}.linkmap"/>
<div id="content">
<ci:include src="{$newpath}"
select="//*[local-name()='body']/*"/>
</div>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
=======================================================================
HTH -- Volkmar W. Pogatzki
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