Hi
Thanks for the reply. Tried it and it still gives me a NullPointer.
Maybe that's not such a problem though - since the browser still
redirects to the JSP I want.
However, I was wondering if it's possible to use a ResourceStreamInfo to
redirect to an ActionForward (which ultimately leads to a JSP). Would
this be preferable to using RequestDispatcher.forward(request,
response)?
Richard Gundersen
Java Developer
Email: [EMAIL PROTECTED]
Phone: 01618302398
Fax: 01618342536
London Scottish Bank plc
24 Mount Street
Manchester
M2 3LS
-----Original Message-----
From: Frank W. Zammetti [mailto:[EMAIL PROTECTED]
Sent: Wednesday, August 01, 2007 2:47 PM
To: Struts Users Mailing List
Cc: user@struts.apache.org
Subject: Re: DownloadAction and a normal Forward
It's not the *right* answer, and I'm not sure it won't cause some other
exception anyway (in fact, I'd bet it would), but what if instead of
returning null you instead do:
return new ByteArrayStreamInfo(null, null);
?
Frank
--
Frank W. Zammetti
Founder and Chief Software Architect
Omnytex Technologies
http://www.omnytex.com
AIM/Yahoo: fzammetti
MSN: [EMAIL PROTECTED]
Author of "Practical Ajax Projects With Java Technology"
(2006, Apress, ISBN 1-59059-695-1)
and "JavaScript, DOM Scripting and Ajax Projects"
(2007, Apress, ISBN 1-59059-816-4)
Java Web Parts - http://javawebparts.sourceforge.net
Supplying the wheel, so you don't have to reinvent it!
On Wed, August 1, 2007 9:24 am, Gundersen, Richard wrote:
Hi
I'm using a DownloadAction to generate a PDF and return it the the
browser. If there is a problem generating the PDF however, I want to
redirect the user to a specific JSP.
What's the best way of doing this? At the moment I am using
protected StreamInfo getStreamInfo(ActionMapping mapping, ActionForm
form,
HttpServletRequest request,
HttpServletResponse response) {
...
...
...
if(problem)
servlet.getServletContext().getRequestDispatcher("/admin.do?doAction=alr
eadyPrinted").forward(request, response);
return null;
}
else {
return new ByteArrayStreamInfo(contentType, myPdfBytes);
}
}
This works, but I always get a NullPointer, because I'm returning null
to satisfy the method signature. The exception doesn't cause a problem
for the user though, because the forward has already happened by then
(and the user is happily viewing the JSP)
Is there a better way to do this though - perhaps with
ResourceStreamInfo instead?
Regards
Richard Gundersen
Java Developer
Email: [EMAIL PROTECTED]
Phone: 01618302398
Fax: 01618342536
London Scottish Bank plc
24 Mount Street
Manchester
M2 3LS
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