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   Re: ANN: SAX 2.0 extension proposals.

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  • From: David Megginson <david@megginson.com>
  • To: xml-dev@xml.org
  • Date: Thu, 24 Feb 2000 12:44:36 -0500 (EST)

David Brownell writes:
 > David Megginson wrote:
 > > 
 > > David Brownell <david-b@pacbell.net> writes:
 > > 
 > > > However, I do wonder what you think about the fact that this will
 > > > need to run in environments where calls like System.getProperty()
 > > > aren't allowed, or which may not support dynamic loading.
 > > 
 > > Suggestions?  
 > Same approach used in classes like "java.lang.System" -- the API has
 > static class methods, but implementation of the class is unspecified.
 > It varies between environments; the reference implementation can be
 > changed.

That's not a good parallel, though, because there's always only one
java.lang.System class in any given Java installation (as far as I
know) -- on the other hand, if I install a future version of both
IBM's XML4J and James Clark's XP (for example) into the same Java
installation, then I would get two different versions of
org.xml.sax.helpers.XMLReaderFactory and whichever happens to be first
on the classpath will always get hit.

All the best,


David Megginson                 david@megginson.com

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