public   static   void  transformXml(String sourceFileName, String xslFileName, String destFileName)  throws  TransformerException, TransformerConfigurationException {
            Source xmlDOMSource =  new  StreamSource( new  File(sourceFileName));
            Source xslDOMSource =  new  StreamSource( new  File(xslFileName));
            Transformer tr = TransformerFactory.newInstance().newTransformer(xslDOMSource);
            tr.transform(xmlDOMSource,  new  StreamResult( new  File(destFileName)));
    }