Keeping an XML file in memory

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Keeping an XML file in memory

Keeping an XML file in memory

2007-07-31 - By citynomad

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Reply: 1 2

Hi all,

I have an application where I need to keep a rather large (currently ~40MB,
can get bigger) XML file in memory. This document is used exclusively as a
source for multiple XSLT transformations.

I am currently keeping it in a JDOM Document object and creating JDOMSource
objects from it as needed, but (after having to triple the heap size) I am
beginning to suspect that it isn't exactly the most memory-friendly
approach, since Document and JDOMSource classes must have a lot of overhead
that I don't need in this situation. Is it true, and if so, what would be a
better way to store an XML doc in memory? I am thinking of just using a
byte array and creating StreamSource's out of it.

Thanks in advance.

Eugene
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