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   Re: Another SAX2 Observation

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  • From: David Brownell <david-b@pacbell.net>
  • To: "Box, Don" <dbox@develop.com>, xml-dev@xml.org, "'David Megginson (E-mail)'" <david@megginson.com>
  • Date: Mon, 13 Mar 2000 10:15:08 -0800

Another SAX2 ObservationQuoth Don Box:
> It would be useful if NamespaceSupport had a method that did
> the reverse of getURI, that is, would return an in-scope prefix
> that corresponded to a given URI (or null if the namespace URI
> has no in-scope declaration). Yes, I know I can implement this
> in terms of getPrefixes(), but that approach is (a) fairly
> expensive due to the linear traversal + excessive casting and
> (b) error prone. 

I've noticed the same problem.  A "whole system" built using
SAX needs this functionality, and suffers if it's not fast.

- Dave

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