xml-dev - RE: SAX2: Parser interface

[David Megginson <david@megginson.com>]

Leigh Dodds writes:

 > Couldn't there be a SAX2 Handler interface
 > 
 > public interface Handler
 > {
 > }
 > 
 > which marks a SAX2 Handler. The other handler interfaces are subclasses
 > of this.

I proposed this originally last spring and it was roundly shot down.
If people are more comfortable with the idea, I'd be happy to add it
back in.


 Giving a generic:
 > 
 > public void setHandler(Handler handler, String identifier)
 > 	throws SAXNotRecognizedException, SAXNotSupportedException;
 > 
 > - identifiers for the standard handlers can be provided (e.g. as
 > public final constants)
 > 
 > - additional extended handlers use the same method to register, only
 > using the appropriate URI identifier as you suggest.
 > 
 > IMHO this is a cleaner way of registering handlers. I don't have to
 > remember that one Handler is registered explicitly (setDTDHandler) and
 > another through
 > a setProperty call. A Handler isNotA property.

Hmm -- I don't know about this part.  I think that it's still
convenient to have explicit setters for the core handler types.


All the best,


David

-- 
David Megginson                 david@megginson.com
           http://www.megginson.com/

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