I'm trying to compress a PDF Stream before transmitting to the client. The browser is
not displaying anything. The PDF displays normally without my GZIP code. (I get 33%
size reduction with compression)
Where have I goofed ? Thanks in Advance
Heres the Servlet Code
----------------------------------------------------------------------------------------------------------------------------------------
OutputStream sos = ServletUtilities.zipIt(request, response);
response.setHeader("Vary", "Accept-Encoding");
response.setContentType("application/pdf");
if (sos == null) {
System.out.println("Null SOS");
}
try { byte [] pdfStream = pdfUtil.getPDFDoc(afpStream, 0);
System.out.println("Length = " + pdfStream.length);
sos.write(pdfStream, 0, pdfStream.length);
}
catch (Throwable theException) {
theException.printStackTrace();
}
finally {
sos.close();
}
----------------------------------------------------------------------
Here's the ServletUtilities code
----------------------------------------------------------------------
public static OutputStream zipIt(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
OutputStream out = response.getOutputStream();
String encodings = request.getHeader("Accept-Encoding");
if (encodings != null && encodings.indexOf("gzip") != -1) {
System.out.println("GZIP!!!");
response.setHeader("Content-Encoding", "x-gzip");
out = new GZIPOutputStream(out);
}
return out;
}
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