Carl Smith wrote:
I am having issues to get the request parameters from a multipart request, le
me explain my problem first:
Our flow of process is:
(1) a multipart request is submitted to a struts action (let's say
updateTableAction.do) using POST
(2) the multipart request is processed by ActionServlet.process() method
(3) in our processPreprocess method, which overrides processPreprocess in
RequestProcessor.java from struts,
we need the parameters from this multipart request thus I am doing this:
CommonsMultipartRequestHandler commonMultiPartHandler = new CommonsMultipartRequestHandler();
try {
commonMultiPartHandler.handleRequest(request);
}catch(Exception e){
// some handling
}
Hashtable ht = commonMultiPartHandler.getTextElements(); // thus I get the
parameters from the request
(4) however, all the fields/parameters in multipart request are no longer there
in the updateTableAction.do
Can you help me find out why this is happening? One theory is that a multipart
request can't be parsed twice. Is this correct, if it is correct, do you have
any alternative?
That's certainly true; once the request has been consumed (parsed) it can't
be parsed again since the data is no longer there. I don't know the normal
flow of RequestProcessor but I assume you need to store the result of
handleRequest() in the same way as Struts normally does -- probably using
an HttpRequestWrapper. If that's not normally handled in
processPreprocess(), you'll need to also override whichever method in
RequestProcessor does handle it.
L.
--
Laurie, Open Source advocate, Java geek and novice blogger:
http://www.holoweb.net/laurie
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