David Grundberg wrote:
You are right about the jakarta commons fileupload and struts, you
can't use commons fileupload in an action, because struts have already
taken care of the multi-part parsing. You do have the option to make a
servlet and commons fileupload, where you will have total control of
the form data. I'm not certain about your way of making the files go
into an array. Is that the way to do it with for example html:text?
One would expect it to work in a similar fashion.
http://www.jguru.com/faq/view.jsp?EID=915898
This link suggests that you use the same name all over again for each
entry, like "notworkingfile", "notworkingfile", and so on...
I've done this with html:text and it does work. The catch is that
html:file requires the property attribute to be specified. I could make
a class with accessors for each FromFile. That seems convoluted.. I'm
hoping for a simpler solution then that. I'll post code if I can make
this work.
Jeremiah Johnson skrev:
I would like to upload multiple files on a single web page by having
multiple <html:file> elements. The exact number of these are
different depending on the user who is using the application. So I
want to store this in an array (FormFile[]) in order to have N number
of files uploaded. When I try to use <html:file/> tags in an iterate
loop (with indexed="true") I get an error about requiring property
attribute. There's isn't a good way of doing that so I just rendered
the the HTML with scriplets. It looks something like:
<input type="file" name="workingfile"/>
<input type="file" name="notworkingfile[0]"/>
<input type="file" name="notworkingfile[1]"/>
<input type="file" name="notworkingfile[2]"/>
The form has getters and setters for workingfile (of type FormFile)
and notworkingfile ( of type FormFile[] that is 3 elements).
workingfile is assigned an instantied object however each element of
notworkingfile[] is null after submit.
I then attempted to use commons-fileupload-1.1.1 in a struts action
(struts 1.2.9) to read the uploaded data but it does not recognize
that any files are being uploaded (including workingfile). I tried
this code:
List items = new ServletFileUpload(
new DiskFileItemFactory()).parseRequest(request);
items results in an empty collection (but not null). I've read that
you can not use commons-fileupload in a struts action which may be
why that doesn't work. Anyone know how to have variable number of
file upload boxes? I know I could have properties for each file
(file1,file2,file3 and so on) instead of array but I'd rather not
implement it that way. Thanks!
Jeremiah
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