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Re: [xsl] check if document exists

2006-07-25 00:29:08
Thanks for the help guys.

I suspected Id need an extension function but hoped there was another solution.

Thanks again.

On 25/07/06, Albert Juhé <albertjuhe(_at_)gmail(_dot_)com> wrote:
Hi,

I've had a similar problem, I needed to test an image file exists and
if exists I needed width and height.

My solution is with Java, I can't find another way to resolve it.

<xsl:template name="file-exists" xmlns:file="java.io.File">
   <xsl:param name="filename"/>
   <xsl:value-of select="file:exists(file:new($filename))"/>
 </xsl:template>



 <xsl:template name="image-size" xmlns:java="xalan://javax.swing.ImageIcon">
   <xsl:param name="mida" select="'width'"/>
   <xsl:param name="filename"/>

  <xsl:if test="normalize-space($filename)">
    <xsl:variable name="imatge" select="java:new($filename)"/>
     <!-- Extract image file info -->
     <xsl:choose>
     <xsl:when test="$mida='width'">
      <xsl:value-of select="java:getIconWidth($imatge)"/>
     </xsl:when>
     <xsl:when test="$mida='height'">
      <xsl:value-of select="java:getIconHeight($imatge)"/>
     </xsl:when>
     <xsl:when test="$mida='mida'">
      <xsl:value-of
select="java:getIconHeight($imatge)*java:getIconWidth($imatge)"/>
     </xsl:when>
     <xsl:otherwise>
      <xsl:value-of select="-1"/>
     </xsl:otherwise>
    </xsl:choose>
   </xsl:if>
 </xsl:template>


Albert Juhé
www.omaonk.com

2006/7/24, Todd Baker <pixelboy(_at_)gmail(_dot_)com>:
> I am having a similar problem in xslt 1.0 (MSXML).
>
> We have a supplier ftp'ing some XML data but sometimes it doesnt
> arrive and sometimes its invalid XML :(
>
> Ive tried
>
> <xsl:if test="msxsl:node-set(document('..\weather\weather.xml'))">
> and
> <xsl:if test="document('..\weather\weather.xml')">
>
> but both throw errors and the template stops.
>
> Is there any way I can test the validity of the document to be
> imported and handle it gracefully?
>
> Cheers
>
> Cheers
>
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Todd Baker
http://electronet.com.au - Where electrons go for a good time!

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