You have to reinitialize baos before using it in PdfStamper, it was
closed in PdfCopyFields.
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Tandon, Amrish
> Sent: Thursday, January 18, 2007 4:15 PM
> To: [email protected]
> Subject: [iText-questions] (no subject)
>
> Hello all.
>
> I need help! I am trying to use iText to build a PDF composed
> of several other PDFs.and then add some dynamic content. The
> code below is what I have so far. It does not seem to take
> the page additions and the header and footers.
>
>
> protected void doPost(HttpServletRequest
> request, HttpServletResponse response) throws
> ServletException, IOException
>
> {
>
> try {
>
>
> ByteArrayOutputStream baos = new
> ByteArrayOutputStream();
>
> //concatinate documents
>
> PdfCopyFields copy = new PdfCopyFields(baos);
> copy.addDocument(new
> PdfReader("c:\\coverpage.pdf"));
> copy.addDocument(new
> PdfReader("c:\\BO_INTRO.pdf"));
> copy.close();
>
> //Update form field(s)
>
> PdfReader reader = new
> PdfReader(baos.toByteArray());
> PdfStamper stamper = new
> PdfStamper(reader,baos);
> AcroFields form = stamper.getAcroFields();
> form.setField("groupName", "My Group");
> stamper.setFormFlattening(true);
> stamper.close();
>
> reader = new
> PdfReader(baos.toByteArray());
>
> //Add dynamic content.
>
> Document document = new
> Document(reader.getPageSizeWithRotation(1));
> document.open();
>
> document.newPage();
> document.add(new Paragraph("Hello World"));
> document.add(new Paragraph(new
> Date().toString()));
> document.newPage();
> document.add(new Paragraph("Hello
> World Again"));
> document.add(new Paragraph(new
> Date().toString()));
>
> //Add header and footer
> document.setHeader(new
> HeaderFooter(new Phrase("This is a header"),false));
> document.setFooter(new
> HeaderFooter(new Phrase("This is a footer"),true));
> document.close();
>
> response.setHeader("Expires", "0");
> response.setHeader("Cache-Control",
> "must-revalidate, post-check=0, pre-check=0");
> response.setHeader("Pragma", "public");
> response.setContentType("application/pdf");
> response.setContentLength(baos.size());
> ServletOutputStream out =
> response.getOutputStream();
> baos.writeTo(out);
> out.flush();
> } catch (DocumentException e) {
> e.printStackTrace();
> }
>
>
>
>
> }
>
>
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