[xsl] loading multiple documents using variables

[Ralph Holz <Ralph dot Holz at unique dot com>]

Hi,

I have the following scenario here:

My XML files contains elements with "id" attributes, which serve as "links" 
to several files, as in this example:

<doc id="byers01" />,

where "byers01" actually refers to a file called "byers01.xml".

(Yes, there is a reason why I don't want to add the file extension in the 
@id. I need it elsewhere, too!)

What I'd like to do now is load multiple documents during the 
transformation process, something like:

<xsl:for-each select="doc">
         <xsl:variable name="name"><xsl:value-of select="@id" /></xsl:variable>
         <xsl:apply-templates select="document('C:\{$name}.xml')" />
</xsl:for-each>

I'd like to use Xalan Java 2 for this.

The error I get now is that document() needs a valid URI as input, and "{" 
is an offending character:

(Location of error unknown)XSLT Error 
(javax.xml.transform.TransformerException): 
javax.xml.transform.TransformerException: org.apache.xml.utils.URI$MalformedUR
IException: Path contains invalid character: {

Obviously, the $name variable is not resolved, but seen as part of the URI 
argument of document().

Does anyone have an idea how I can load and process multiple documents in 
such a for-each construction? I'd like to keep my "data format" (ids as 
links...) as it is.

Thanks a lot,
Ralph


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