See: http://issues.apache.org/bugzilla/show_bug.cgi?id=25830
-- Martin Cooper On Mon, 29 Mar 2004, Karl Goldstein wrote: > Hi, > > I plan to try to add a status callback to the FileUpload package. Here > is the scenario I would like to support (I'm making this up as I go, but > something like this): > > 1) User uploads a large file (form target is an invisible IFRAME so that > the browser does not leave the form page on submit). > 2) The onsubmit handler for the file upload form uses setTimeout to call > a "checkStatus" function (in Javascript) in a few seconds. > 3) The checkStatus function makes a request in an invisible IFRAME to > the server. > 4) The server responds with with a message on the status of the file upload. > 5) Upon receiving a reply from the server, an onload handler in the > IFRAME updates a visible status message on the form. > 6) When the upload is complete, the onload handler displays a success > message and moves the user to the next page (or displays an error). > > To support this scenario, I plan to try and add the following to FileUpload: > > 1) As FileUpload processes an incoming request, it updates a session > attribute associated with the request. I'm assuming in most cases it > should be possible to provide a percentage complete status, since the > total size is available in the header even before the upload is complete. > 2) A status page returned to the invisible IFRAME can check this session > attribute and inform the client what FileUpload is doing at the moment. > > Anybody thought of doing something similar? Any thoughts on why this > wouldn't work? Thanks for any feedback, and unless I hear otherwise > I'll take a shot and let you know if/when I come up with something. > > Regards, > > Karl Goldstein > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
