HI stefan,

If all you are interesting in is reading files, you should use URLs.
May be you would want to use javax.activation.URLDataSource (though it is meant for a different purpose).

..my 2 cents

regards,
kris

-----Original Message-----
From: Stefan Frank [mailto:s.frank@(protected)]
Sent: Wednesday, March 31, 2004 9:31 PM
To: J2EEPATTERNS-INTEREST@(protected)
Subject: Strategies for Streaming large Files?!


Hi,

we are currently building an Imaging-Database, which will store huge
quantities of Binary Data in the Database. Along with these Images, we
will store Meta-Data about the Images, which we can pass as usual as a
TransferObject to some SessionBeans that deal with Persistence. This
works fine for the Meta-Data, for the Images, we want to be able to
stream them to and from the Database - are there any patterns for this
existing?! We can circumvent the EJB-Layer completely, by just taking a
http-stream and streaming its contents directly into the DB - but if it
was only for the sake of symetry, I'd prefer to pass the Stream to a
SessionBean for Persistence. Has anyone tried something like this in j2ee?!

Cheers
stf

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