public void execute(HttpServletRequest request, HttpServletResponse response)
throws TransformerException {
response.setContentType("text/xml");
TrXO trxo = new TrXFactory().createTrXO(Protocol.XML, getParams(), this);
trxo.setListableBeanFactory(getListableBeanFactory());
Source source;
try {
source = getSourceTransform(request);
Result result = new StreamResult(response.getWriter());
trxo.parse(source, result);
} catch (SourceTransformerException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (SAXException e) {