MyPojo myPojo = new MyPojo();

JAXBContext context = JAXBContext.newInstance(MyPojo.class);
JAXBSource source = new JAXBSource(context, myPojo);

TransformerFactory factory = TransformerFactory.newInstance();

Transformer transformer = factory.newTransformer(new StreamSource(new File("my.xsl")));


StreamResult output = new StreamResult(System.out);
transformer.transform(source, output);