[jdom-interest] Passing JDOM to JAXP using SAX

[Robert Koberg]

Per Norrman wrote:

> Hi,
> 
> Daniel Purucker wrote:
> 
>> Hi,
>> i want to transform an jdom-document with xslt. Because i'm not able 
>> to pass JDOM-Output directly to JAXP, i'm using the workaround 
>> proposed by Eric Burke, to transform JDOM into SAX.
> 
> 
> it is not entirely clear what you want to do. But if you have
> a JDOM Document and a stylesheet to transform it, but want to produce
> SAX event from that transformation, I think something like this should 
> do it:
>     
>     Document doc = ....
>     String xsl = <style sheet URL>
> 
>         TransformerFactory factory = TransformerFactory.newInstance();
>     Transformer t = factory.newTransformer(new StreamSource(xsl));
>         SAXResult result = new SAXResult(...);
>         t.transform(new JDOMSource(doc), result);
> 
> 
>> What's wrong?
>> the "stylesheet" has to be an instance of 
>> "javax.xml.transform.Templates", but how do i create this?
> 
> 
> Who says it must be Templates instance? Your requirements or an error
> message?

A Templates object can be cached while a Transformer should not be 
cached. So off in the cache you can do:

TransformerFactory factory = TransformerFactory.newInstance();
// perhaps set custom URIResolver for xsl:import/include
StreamSource ss = new StreamSource(new InputStream(xslPath));
Templates templates = factory.newTemplates(ss);
// put into a map or something

Then in a servlet/jsp:

Templates templates = cache.getTemplates(xslPath);
Transformer transformer = templates.newTransformer();
// perhaps set custom URIResolver for document() to
// get other JDOMSources or whatever

best,
-Rob


> 
> 
> /pmn
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