Re: Large file uploads using Java

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 14 Oct 2007 00:35:11 -0400
Message-ID:
<47119c77$0$90268$14726298@news.sunsite.dk>
heather.fraser@gmail.com wrote:

I am well aware of several file upload servlets & libraries (including
the one from Apache/Jakarta).

However, how does one go about creating a web-based file upload
similar to Whalemail (www.whalemail.com) or many of the AJAX web2.0
sites I see where they show the status of the upload (in KB and %age)
as the upload progresses ?

Also I now find myself with the need to upload files as large as 500
MB over a Local Area Network - is the servlet going to be able to
handle this or will it try to cache the uploaded data in memory and
therefore run into memory limits on the server ?


500 MB in memory should be OK on todays HW.

But let us assume DVD sise instead of CD size.

I don't think Jakarta Common FileUpload can stream directly from
request to final destination.

But I think Com Oreilly Servlet can.

I have some code somewhere that can show uploaded bytes
being incremented in a separate window (a refreshing window - this
was made before AJAX became popular).

Arne

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