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From "Martin Cooper" <mart...@apache.org>
Subject Re: [FileUpload] how to disable default output to server file system?
Date Wed, 07 Jun 2006 18:26:15 GMT
On 6/7/06, Xiaobo Yang <xiaobo.yang@gmail.com> wrote:
>
> Thanks for your reply, Martin. In fact what I want to do is to simply save
> uploaded file in a database. It is fine to retrieve the uploaded file as
> an
> byte array in memory then save in the database. But it seems to be still
> saved as a file automatically. - Xiaobo


It is only saved as a file if the size exceeds the configured threshold
value.

--
Martin Cooper


On 6/7/06, Martin Cooper <martinc@apache.org> wrote:
> >
> > On 6/7/06, Xiaobo Yang <xiaobo.yang@gmail.com> wrote:
> > >
> > > Hi,
> > >
> > > I noticed that if I do not write the uploaded file by myself as a file
> > on
> > > server file system. A file will be saved by default using the name
> > > upload_xxx.tmp. I wonder how to disable this function as I do not want
> > to
> > > save the file on the server. Thanks.
> >
> >
> > Do you want to always keep the file in memory, regardless of size, or do
> > you
> > want to store large uploads somewhere other than on the disk? In the
> > former
> > case, you have three options:
> >
> > 1) Set the size threshold on the file item factory to a very large
> number,
> > so that the threshold is never reached.
> >
> > 2)  Subclass DiskFileItem and reimplement getOutputStream() so that it
> > always writes to memory.
> >
> > 3) Write your own FileItem implementation. (This doesn't really make a
> lot
> > of sense for what you want todo, though.)
> >
> > Regardless of which of these you use, I would encourage you to set a
> > meaningful limit on sizeMax, so that you don't run out of memory on the
> > server if people start trying to upload large items.
> >
> > If you want to write the data somewhere other than the disk (or memory),
> > you'll need to write your own FileItem implementation.
> >
> > --
> > Martin Cooper
> >
> >
> > Xiaobo Yang
> > >
> > >
> >
> >
>
>

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