Qualcosa del genere:

codice:
String tuoFileXSL = "...";
String tuoFileXML = "...";
String outputHTML = "...";

try {
   TransformerFactory tfactory = TransformerFactory.newInstance();
   Templates t = tfactory.newTemplates(new StreamSource(tuoFileXSL));
   Transformer transformer = t.newTransformer();

   transformer.transform(new StreamSource(tuoFileXML), new StreamResult(outputHTML));
} catch (Exception e) {
   e.printStackTrace();
}
PS: dai un'occhiata al metodo newInstance() di TransformerFactory per ulteriori informazioni.


Ciao.