Xalan's xslt 3.0 implementation updates

[Alan Bateman]

On 20/10/2025 12:41, Mukul Gandhi wrote:
> Xalan's XSLT 3.0 implementation has been written using JDK 1.8
> (synonym, for Java version 8) features. Therefore, as of now Xalan can
> be deployed on class path.
>
> Does it implement the service provider interfaces, e.g.
> javax.xml.transform.TransformerFactory, so that users can use the
> standard API but use the new implementation?
>
> To use Xalan's XSLT 3.0 implementation as an API, JVM's system
> property javax.xml.transform.TransformerFactory needs to be set to
> org.apache.xalan.processor.XSL3TransformerFactoryImpl which implements
> javax.xml.transform.TransformerFactory.
>
Have you tested with JDK 25 to make sure that someone using a new modern 
JDK release can use this version of XSLT if they wish?

Also have you looked into providing a service provider configuration so 
it can be loaded with ServiceLoader. Going further, having a module-info 
with `provides javax.ml.transform.TransformerFactory` could allow for it 
to be included in a custom run-time image created with the jlink too.

-Alan
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