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RE: handling failed document() invocations

Subject: RE: handling failed document() invocations
From: "Jeff Barrett" <JBarrett@xxxxxxxxxxxxxxx>
Date: Tue, 29 Oct 2002 16:41:48 -0800
jeff barrett
Great!

One last question, how do I prevent Saxon from outputing the following on System.out when document() fails?:

Recoverable error
Failure reading file:/C:/somefile.xml: no more input


thanks again,
+jeff

-----Original Message-----
From: Robert Koberg [mailto:rob@xxxxxxxxxx]
Sent: Tuesday, October 29, 2002 3:36 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE:  handling failed document() invocations


Hi,

Since you are using saxon you can simply do something like:

<xsl:choose>
  <xsl:when test="boolean($item-doc")">
    <xsl:apply-templates select="$item-doc"/>
  </xsl:when>
  <xsl:otherwise>
    <xsl:call-template name="content_not_found"/>
  </xsl:otherwise>
</xsl:choose>

If you want this to be non-(java)-processor-specific you might want to use a(n?)
URIResolver to return some well-formed error info.

best,
-Rob




> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Jeff Barrett
> Sent: Tuesday, October 29, 2002 3:06 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  handling failed document() invocations
>
>
> I have a main XML document that has references to other XML document
> instances.  These references take the form of an ID number that is
> used to construct the path to an instance doc.  For example:
>
> <document>
> 	<item id="14" />
> 	<item id="94" />
> </document>
> <!----------------------------->
> <xsl:stylesheet>
> [...]
> <xsl:variable name="instance-id" select="document/item/@id" />
> <xsl:variable name="item-doc" select="document(
> 'documents/$instance-id/item.xml' )" />
> [...]
> </xsl:stylesheet>
>
> The problem is there may not be a document there, which is an OK
> state of affairs.  What is the xsl code idiom for detecting when
> document() is unable to find a document at the given location, and to
> handle this in a more meaningful way than exiting on error?
>
> If it matters I'm using saxon 6.5.2.
>
> thanks,
> +jeff
>
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list
>



 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list


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