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From Patrick J Kobly <patr...@kobly.com>
Subject Re: Unique Id creation
Date Tue, 15 Dec 2009 21:26:50 GMT
java.util.UUID.randomUUID() ?

http://java.sun.com/j2se/1.5.0/docs/api/java/util/UUID.htm

PK

jayakumar ala wrote:
> 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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>>>       
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>>
>>     
>
>   


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