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   Re: SAX: ModSAX addition, general property query

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  • From: David Megginson <david@megginson.com>
  • To: "John Wilson" <tug@wilson.co.uk>
  • Date: Tue, 9 Mar 1999 12:19:40 -0500 (EST)

John Wilson writes:

 > I don't think that it's unreasonable to insist that objects representing a
 > Feature, Handler or Property should either implement a distinct interface or
 > subclass a distinct class. If this is so the Parser can tell what Feature,
 > Handler or Property is being set by enquiring of the type of the object. (I
 > favour insisting that they subclass distinct classes because (in Java) that
 > naturally imposes the restriction that a single object can only represent a
 > single Property.)

We wouldn't want to have to rely on discovering the class at runtime,
so we'd have to have a method in the interface that reports a string
ID anyway -- at lot more work for the same result.

All the best,


David Megginson                 david@megginson.com

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