private String XSL = "contract_print_bill.xsl";
...
try {
   DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
   DocumentBuilder dBuilder = dFactory.newDocumentBuilder();
   Document doc = dBuilder.newDocument();

   Element billElement = doc.createElement("bill");
   billElement.setAttribute("summ", summ.toPlainString());
   billElement.setAttribute("contractTitle", contractTitle);
   billElement.setAttribute("contractClient", contractClient);
   billElement.setAttribute("contractAddress", contractAddress);

   Element dataElement = doc.createElement("data");
   dataElement.appendChild(billElement);

   doc.appendChild(dataElement);

   getResponse().setContentType("application/pdf");
   getResponse().setHeader("Content-Disposition", FileDownload.getContentDisposition(request, fileName.toString(), true));

   XSLManager.getInstance().transform(new DOMSource(doc), XSL, FOUtils.renderSAXResult(getResponse().getOutputStream(), "application/pdf"));
} catch (Exception e) {
   log.error("Cannot generate pdf", e);
}

XSLManager.getInstance().transformAndSend(XSL, new DOMSource(xml), params, "application/pdf", fileName, zip, email, emailSubject);

String XSL = "/usr/local/BGBillingServer/webroot/xsl/bill_pdf.xsl";

      int cid = 938;
      String query = " select xml, format_number, create_dt from bill_data_2 "+
                  " where cid = " + cid + " AND id = " + 2012;

         PreparedStatement ps = con.prepareStatement(query);
         ResultSet rs = ps.executeQuery();
            while (rs.next())
               {
                 String xml = new String( rs.getBytes(1), "windows-1251" );
                 //format_number = rs.getString(2);
                 //create_dt = rs.getString(3);
               print (xml);

// Получение XML из базы.
if (invoice) {
    data = new InvoiceManager(this.setup, con, mid, moduleSetup).getXMLData(cid.intValue(), id);
} else {
    data = new BillManager(this.setup, con, mid, moduleSetup).getXMLData(cid.intValue(), id);
}

ByteArrayInputStream bis = new ByteArrayInputStream(data);
Document doc = XMLUtils.parseDocument(new InputSource(bis));
Element bill = (Element) doc.getDocumentElement().getElementsByTagName("bill").item(0);

bill.setAttribute("with_stamp", "1");
XSLManager.getInstance().transform(new DOMSource(doc), patternName, FOUtils.renderSAXResult(getOutputStream(), "application/pdf"));