[jdom-interest] How many bytes is my JDOM Document

Paul Libbrecht paul at activemath.org
Fri Aug 4 06:18:36 PDT 2006

Except with a profiler I don't expect this to be feasible.

Kevin POCHAT wrote:
> There should be a way to count the bytes in a Java object without 
> trying to output it, I mean, the object is in memory as bytes, so 
> there must be a way to count them.
> Outputting the file somewhere may enable to know the EXACT size of the 
> outputted file, but the object's size in memory should be accessible 
> another way.
> Kevin.
> 2006/8/4, Paul Libbrecht <paul at activemath.org 
> <mailto:paul at activemath.org>>:
>     Print it to a stream that only counts but otherwise discards ?
>     It's easy
>     to write such a stream... just subclass outputstream.write(byte) and
>     maybe .write(byte[],start,len) and count...
>     I don't think there's a way without outputting.
>     paul
>     Søren Faltz wrote:
>     > I want to find out how many bytes my document is.
>     > An easy way would be to stream the document to disk, and then call
>     > File.size()
>     > but is there any way to find out without saving the document to
>     disk
>     > first??
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