SAX2 RFD: Inheritance vs. Modification vs. Amalgamation

John Cowan cowan at locke.ccil.org
Wed May 19 22:35:08 BST 1999


Don Park wrote:


> 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.

By using a dynamic helper class, the rest of the application doesn't
need to know or care if this is a SAX2 or SAX1 parser.  See Miles's
and my messages on the subject.

-- 
John Cowan	http://www.ccil.org/~cowan		cowan at ccil.org
	You tollerday donsk?  N.  You tolkatiff scowegian?  Nn.
	You spigotty anglease?  Nnn.  You phonio saxo?  Nnnn.
		Clear all so!  'Tis a Jute.... (Finnegans Wake 16.5)

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