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RE: Linking Variable to the Path

Subject: RE: Linking Variable to the Path
From: "Yaswanth Kumar Ravella" <yaswanth.mtrx@xxxxxxxxx>
Date: Wed, 22 Aug 2007 19:00:50 +0530
RE:  Linking Variable to the Path
Hi Abel 
Thank for the reply!

The following is the JAVA code which uses JAXP API for doing Transformation!

Is this API internally uses any XSLT processors? Because I am not mentioning
anyone manually. 
 
javax.xml.transform.Source xmlSource =
			new
javax.xml.transform.stream.StreamSource(xmlFile);
javax.xml.transform.Source xsltSource =
			new
javax.xml.transform.stream.StreamSource(xsltFile);
javax.xml.transform.Result result =
			new javax.xml.transform.stream.StreamResult(file);

// create an instance of TransformerFactory
javax.xml.transform.TransformerFactory transFact =
			javax.xml.transform.TransformerFactory.newInstance(
);

javax.xml.transform.Transformer trans =
			transFact.newTransformer(xsltSource);

trans.transform(xmlSource, result);


Conversations are included from the start!!
Please refer my original mail for actual problem!

I hope somebody will be able to help!

Thanks a lot.

Regards
Yaswanth Ravella

-----Original Message-----
From: Abel Braaksma [mailto:abel.online@xxxxxxxxx] 
Sent: Wednesday, August 22, 2007 6:37 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re:  Linking Variable to the Path

what is the connection with your earlier inquiry? You are asking whether 
JAXP works with JAXP, while failing to understand why you ask, the 
answer is a definite YES.

but JAXP has nothing to do with TransformIIX (you use Firefox and that 
is the name of the XSLT processor) and has next to nothing to do with 
XSLT in general (not directly, at least).

Cheers,
-- Abel Braaksma

Yaswanth Kumar Ravella wrote:
> Hi How about?
> Java API for XML Processing (JAXP)
> Will this work fine with JAXP?
>
> Cheers
> Yaswanth Ravella
>
>
>
> -----Original Message-----
> From: christoph.naber@xxxxxxxxxxxxxxxxxxx
> [mailto:christoph.naber@xxxxxxxxxxxxxxxxxxx] 
> Sent: Wednesday, August 22, 2007 5:18 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE:  Linking Variable to the Path
>
>   
>> I am getting Error :
>> Description :
>> Error during XSLT transformation: An unknown XPath extension function 
>>     
> was
>   
>> called.
>>
>> I am using Mozilla's Processor !

Hi Yaswanth, 

> Hi Peter and Everyone out there!
>   Thanks for the reply ~
> 
> I have '//every[1]/event[1]' as the destination attributes value.
> And there is 'name' attribute  for '//every[1]/event[1]'
> i.e //every[1]/event[1]/@name gives me the Value 'Ready'.
> 
> Why not $dest/@name gives me the same ?
> How to get it  ?

In your fisrt xsl <xsl:variable name="dest"
select="//every[1]/event[1]"/>  will get a *node* /root/every[1]/event[1], 
which do has a @name attribute. Then $dest/@name will get this attribute
value.

But in your second xsl  <xsl:variable name="dest"
select="//pattern[1]/connection[1]/@destination"/>   will get the *string*
"//every[1]/event[1]"
which is the value of @destination. $dest is not a node, it's a string and
you can't do $dest/@name, it doesn't make sens.

As said Christoph you need to evaluate the string, and there is
unfortunately no xslt 1.0 native way to do this !
You need a extension eval function depending on your xslt processor. 
If you use saxon for example, something like this should go <xsl:value-of
select="saxon:eval($dest)/@name"/>.
With msxml you can do your own eval function in jscript, have a look at
http://www.xmleverywhere.com/tips/xslt.htm
You can also use EXSLT extensions I think.

Hope this help, 

Cheers, 

Matthieu.
 
> Regards
> Yaswanth
> 
> 
> -----Original Message-----
> From: Hofman, Peter [mailto:peter.hofman@xxxxxxxxxxxxx]
> Sent: Wednesday, August 22, 2007 1:54 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE:  Linking Variable to the Path
> 
> Your variable $dest contains a sequence of destination attributes 
> values, which (of course) do not contain a name attribute.
> 
> You need to analyze the contents of connection/@destination and use 
> this in a selection of event elements.
> 
> Regards,
> Peter
> 
> >-----Original Message-----
> >From: Yaswanth Kumar Ravella [mailto:yaswanth.mtrx@xxxxxxxxx]
> >Sent: woensdag 22 augustus 2007 10:16
> >To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> >Subject:  Linking Variable to the Path
> >
> >
> >Hi,
> >
> >::I am having an XML file like this ::
> >
> ><root>
> > <every>
> >   <event name="Ready"/>
> > </every>
> > <pattern>
> >   <connection destination="//every[1]/event[1]" />		
> > </pattern>
> ></root>
> >-------------------------------
> >::When my XSL file has this code::
> >
> ><xsl:template match="root">   
> >   <xsl:variable name="dest" 	select="//every[1]/event[1]"/>   
> >   <xsl:value-of select="$dest/@name"/>   
> ></xsl:template>
> >
> >It prints 'Ready'.
> >Here I am directly assigning variable 'dest' to the path of the event.
> >This is ok.
> >-------------------------------
> >::When I changed my XSL code to ::
> >
> ><xsl:template match="root">   
> >   <xsl:variable name="dest"
> >select="//pattern[1]/connection[1]/@destination"/>   
> >   <xsl:value-of select="$dest/@name"/>   
> ></xsl:template>
> >
> >It doesn't print 'Ready' or anything.
> >Here I am storing variable 'dest' with the value of the 
> >'connection/@destination', Which I expected to work properly but it 
> >is not working.

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