You need to set the content-length and content-type on the response.
response.setContentType("application/pdf");
response.setContentLength(baos.size());
those methods might be a little different, but you get the point
Bill
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of gs lai
Sent: Sunday, April 11, 2004 7:53 PM
To: [EMAIL PROTECTED]
Subject: [iText-questions] why PdfStamper can write to FileOutputStream
but not to ServletOutputStream
I want to read a file and change something,then to the browser and I see
nothing,but to a file which is i want,Can you tell where is my wrong(with
j2sdk1.4.1_03,tomcat4.1.24,iText1.02b,MS ie6.0sp1).thanks for your doing for
us,and your help
the code is:
public class PrintProtocolUsePdfAction
extends org.apache.struts.action.Action {
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws
Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
response.setHeader("Cache-Control", "max-age=30");
response.setHeader("Content-Type", "application/pdf");
PdfReader reader = new PdfReader("D:\\Tomcat
4.1\\webapps\\tms\\docs\\protocol1.pdf");
PdfStamper stamp = new PdfStamper(reader,new
FileOutputStream("D:\\Tomcat 4.1\\webapps\\tms\\docs\\obj.pdf"));//(1)
// PdfStamper stamp = new PdfStamper(reader,baos);//(2)
AcroFields aform = stamp.getAcroFields();
aform.setField("text1", "hello,iText");
stamp.setFormFlattening(true);
ServletOutputStream out= response.getOutputStream();
baos.flush();
baos.writeTo(out);
stamp.close();
out.flush();
baos.reset();
return null
}
}
notes:
(1)write to file,and it is ok!
(2)write to browser,then it doesn't work.why?
thanks again.
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