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Topic

Michelle Kam

Subject: syntax for java calls?
Author: Michelle Kam
Date: 11 Jul 2002 01:37 PM

My stylesheet and script part were cut off in the last post so here they are and below it is the way I called my java method getNodePoint(). Do you know why the new method would not be recognized?

Thanks, Michelle

xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:lxslt="http://xml.apache.org/xslt"
xmlns:link="xalan://Links.LinkTransform"
xmlns:table="xalan://java.util.Hashtable">

implements-prefix="LinkTransformX"
language="javaclass"/>

select="link:getNodePoint($nodePoint, string(@hid))"/>

or just

select="link:getNodePoint(link:new(),string(@hid))"/>

Minollo I.

Subject: Re: syntax for java calls?
Author: Minollo I.
Date: 11 Jul 2002 01:44 PM

You can see posted XMl fragments doing view source...

Anyway, can you tell us what the Java signature of new() is?
Either ways you are describing should work fine; but if the method is not
recognized this is likely an issue with the method signature.

Thanks,
Minollo

Michelle Kam

Subject: Re: syntax for java calls?
Author: Michelle Kam
Date: 11 Jul 2002 02:10 PM

This is my java class that I am trying to create an instance of by link:new() up in the XSLT code i sent previously. So my constructor is just the public constructor with method signature public LinkTransform().

public class LinkTransform {

public Hashtable nodeTable; //nodeTable stores KNodes as values
public Hashtable pointTable; //pointTable stores KPoints as values
public Hashtable linkTable; //linkTable stores KLinks as values

public LinkTransform() {

nodeTable = new Hashtable();
pointTable = new Hashtable();
linkTable = new Hashtable();
}

Minollo I.

Subject: Re: syntax for java calls?
Author: Minollo I.
Date: 11 Jul 2002 02:17 PM

>...
>This is my java class that I am trying to create an instance of by
>link:new() up in the XSLT code i sent previously. So my constructor is
>just the public constructor with method signature public LinkTransform().

This won't work using the Stylus Studio processor; as it looks like you
have developed this code in the Xalan-J context, I would really use Xalan-J
to preview/debug it in Stylus.

Minollo

Minollo I.

Subject: Re: syntax for java calls?
Author: Minollo I.
Date: 11 Jul 2002 02:06 PM

>...
> >xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>xmlns:lxslt="http://xml.apache.org/xslt"
>xmlns:link="xalan://Links.LinkTransform"
>xmlns:table="xalan://java.util.Hashtable">

Thanks Alby for making me notice that.

Stylus Studio doesn't support namespaces in the form "xalan://"
for Java extensions; it expects just "" (like, I guess in your
case, xmlns:link="Links.LinkTransform").

I would suggest that you use Xalan-J as the debugging processor in this
case. To be able to cross-debug Java extensions, make sure you update your
4.0 version to BL91.

Thanks,
Minollo

Minollo I.

Subject: Re: syntax for java calls?
Author: Minollo I.
Date: 11 Jul 2002 02:08 PM

>...
>I would suggest that you use Xalan-J as the debugging processor in this
>case. To be able to cross-debug Java extensions, make sure you update your
>4.0 version to BL91.

You can do that selecting the "Processor" tab of your scenario and clicking
on the "Xalan-J" item.

Michelle Kam

Subject: Re: syntax for java calls?
Author: Michelle Kam
Date: 11 Jul 2002 02:18 PM

I tried using the Xalan-J processor on this and now I get the null pointer exception on this line that I was getting before.

So it comes down to getting the null pointer exception using the xalan-j processor or the new method not recognized using the built-in processor. Not quite sure what's wrong.

Also, where do I download the BL91 version of SS. When I go to the website and click on Stylus Studio downloads, I just see version 4.0. Do you have the link for that updated version?

Thanks,
Michelle

Minollo I.

Subject: Re: syntax for java calls?
Author: Minollo I.
Date: 11 Jul 2002 02:21 PM

>...
>Also, where do I download the BL91 version of SS. When I go to the website
>and click on Stylus Studio downloads, I just see version 4.0. Do you have
>the link for that updated version?

http://www.exln.com/products/stylusstudio/downloads/iftw_update/stylus%20studio.htm

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