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- From: "Don Park" <donpark@quake.net>
- To: "'XML Developers' List'" <xml-dev@ic.ac.uk>
- Date: Wed, 19 May 1999 13:13:04 -0700
> 2. Add the methods to org.xml.sax.Parser, and require applications to
> catch NoSuchMethodException when using the new methods, in case
> they're concerned about what version they're dealing with.
>
> PRO: - doesn't limit options for subclassing in the future
> CON: - very difficult to write adapters for existing SAX 1.0
> drivers (slower acceptance and implementation of SAX2)
> - can cause unexpected behaviour at deployment time, unless
> the application designer knows to catch
> NoSuchMethodException
David,
I prefer #2 combined with a helper class to ease some of the pain.
If the client supports SAX2 only, then they can invoke Parser directly.
If the client supports both SAX and SAX2, then they can invoke the static
helper methods in the helper class which handles things like
NoSuchMethodException.
They should be passing an instance of the parser to the static helper
methods.
Comment?
Don
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