[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: SAX: ModSAX addition, general property query
----- Original Message ----- From: Glenn Vanderburg <glv@v...> To: Bill la Forge <b.laforge@j...> Cc: John Wilson <tug@w...>; XML Developers' List <xml-dev@i...> Sent: 09 March 1999 15:40 Subject: Re: SAX: ModSAX addition, general property query >Bill la Forge wrote: >> >> From: John Wilson <tug@w...> >> >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. >> >> Filters often implement more than one (generally all) handler >> interface and then register themselves with the underlying >> parser/filter for the same events requested by the overlaying >> application/filter. > >Yes, and as written, John's proposal would require distinct handler >objects for each feature, which would be bad. However, with a slight >modification, it would work beautifully. Instead of using a string >as a feature ID, use a type descriptor (in Java, an instance of >java.lang.Class). Feature handlers would be registered by supplying >the Class object that represents the feature being implemented, along >with a handler object that is assignable to that type. This seems to me to be an excellent suggestion;) John Wilson The Wilson Partnership 5 Market Hill, Whitchurch, Aylesbury, Bucks HP22 4JB, UK +44 1296 641072, +44 976 611010(mobile), +44 1296 641874(fax) Mailto: tug@w... xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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