streaming validation

[Scott Ziegler <zi...@bea.com>]

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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