how to double-check XML schema used

[Michael Ryan Bannon <mr...@uwaterloo.ca>]

Hi,

I'm using SAX to validate an XML file against a schema.  I'm using the following code:

   XMLReader parser = XMLReaderFactory.createXMLReader(parserClass);
   parser.setFeature("http://xml.org/sax/features/validation", true);
   parser.setFeature("http://apache.org/xml/features/validation/schema", true);
   parser.setFeature("http://apache.org/xml/features/validation/schema-full-checking", true); 
   parser.parse("file:///" + interactionSpaceLink);

Once validated, how do I discover what XML Schema was used?  What is the simplest, most elegant way to do this?  I'm trying to learn about PSVI, but some of the examples uses out of date.  Any help is greatly appreciated.

Thanks,

Ryan