New FOP Code Don't Work

[Jim Urban]

Recently someone suggested using SAX events to run XML through XSLT then FOP
and to send the PDF back to the browser from a servlet.  I tried implmenting
this (see code below) but all I don't get any output back.  I even routed
the output to a file, and the file was empty.  My old code worked great, but
I was told I was wasting memory.  Can someone tell me why this code does not
work?

Thanks,

Jim Urban
Product Manager
Netsteps Inc.
Suite 505E
1 Pierce Pl.
Itasca, IL  60143
Voice:  (630) 250-3045 x2164
Fax:  (630) 250-3046


        public void renderFO(Transformer pdfTransformer, Source
iInputSource, HttpServletResponse uResponse)
        {
                try
                {
                        OutputStream out = uResponse.getOutputStream();
                        uResponse.setContentType("application/pdf");
                        Driver driver = new Driver();
                        driver.setRenderer(driver.RENDER_PDF);
                        driver.setOutputStream(out);
                        // -------
                        // Create SAXResult based on FOP Driver content
handler
                        // which will accept SAX events and build FOP tree
                        // -------
                        Result saxResult = new
SAXResult(driver.getContentHandler());

                        // Use the Transformer to transform an XML Source
and
                        // send the output to a Result object. Implicitely
it will
                        // create the FOP tree by firing SAX events.
                        pdfTransformer.transform(iInputSource, saxResult);

                        // The user is already viewing the PDF!
                        out.flush();
                        out.close();
                }
                catch (TransformerException e1)
                {
                        System.err.println("Unable to generate PDF:  " +
e1.toString());
                }
                catch (IOException e2)
                {
                        System.err.println("File error:  " + e2.toString());
                }
        }       

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