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List:       xmlbeans-dev
Subject:    streaming validation
From:       Scott Ziegler <zieg () bea ! com>
Date:       2004-03-27 1:41:58
Message-ID: EF5B8722-7F8F-11D8-87E9-000393BC58B6 () bea ! com
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FYI,

I just added a utility called svalidate to the bin directory and a 
supporting class that wraps Cezar's ValidatingXMLStreamReader in a 
shell script.  The syntax is the same as validate, though it requires a 
jsr 173 implementation (currently the RI).  Benefits of svalidate over 
validate include about a 20% speedup for large documents and an ability 
to validate documents that will not fit in memory (barring schema 
constructs that require keeping large amounts of state).  I whipped up 
a very simple schema representing an unbounded list of addresses, and 
was able to validate a 1GB document in a 32MB heap.   I did write a 
.cmd version of the tool but I did not test it (sorry linux env here).

--Scott


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