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From jayakumar ala <alajay...@gmail.com>
Subject Re: Unique Id creation
Date Tue, 15 Dec 2009 21:23:54 GMT
I am trying to upload multiple files in my application , So i am looking for
different approach to create unique Id for all the uploaded files. Any
suggestions are appreciated.



On Tue, Dec 15, 2009 at 1:54 PM, Gabriel Belingueres
<belingueres@gmail.com>wrote:

> I use File.createTempFile:
>
>
> http://java.sun.com/j2se/1.5.0/docs/api/java/io/File.html#createTempFile(java.lang.String,%20java.lang.String,%20java.io.File)
>
> Then I relate the uploaded filename with the saved temp file name in a
> database table.
>
> Gabriel
>
> 2009/12/15 Todd Grigsby <strutsuser@tgrigsby.com>:
>  > jayakumar ala wrote:
> >>
> >> Hi All,
> >>  I am using struts2 in my web application.
> >>  Which is the best way to create unique Id for each file upload i do in
> my
> >> application...?
> >>
> >> Thanks
> >> Ala
> >>
> >>
> >
> > I've always used the original filename with a time stamp, down to the
> > millisecond formatted with leading zeros and without separators, appended
> to
> > the end.  If a create fails, I wait a few milliseconds and regenerate the
> > filename.  The nice part about the time stamp is that you have the date
> and
> > time the file was uploaded in the name itself.
> >
> > TG
> >
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