How can I use one stream and save result to many places?

Posted by plasticrabbit on Stack Overflow See other posts from Stack Overflow or by plasticrabbit
Published on 2010-05-10T18:52:40Z Indexed on 2010/05/10 19:24 UTC
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java

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stream

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db

I using servlet and Apache ServletFileUpload that provides stream to uploaded image. All I want to do is to store that image to db and also store resized (I using JAI) version to db.

How can I achieve this without saving image to drive. As I understand stream can be read only once. So I need to store whole image in memory? Is it expensive for performance? Or there are another way?

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