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Re: [wtp-dev] replacing the default xml model handler
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Nitin Dahyabhai wrote:
Lars,
This would probably be best answered within the newsgroups.
you're right. this is probably the wrong issue here :-)
A cleaner approach would still begin with a custom model handler and model
loader.
i've implemented my approach this way.
The model loader would then replace the default ModelQueryAdapter
adapter factory with one of your own that creates a ModelQuery instance
combining a SimpleAssociationProvider with a ModelQueryCMProvider
defaulting to whichever CMDocument you favor in the
ModelQueryCMProvider.getCorrespondingCMDocument(Node) method. The
ModelQueryCMProvider could then vary its behavior based on the content
type of the model. This approach was used to provide the content model
for JSP Tag files, a content type that extends the existing JSP content
type. The DOM document shouldn't be modified since changing the
Document.getDoctype() results violates the interface's contract.
hmm - sounds logical. i tried to make my implementation a bit smart
(because i had also the interface contract in mind :-)
by only providing my custom dtd/schema if no dtd/schema is referenced by
the document (i.e. works like a fallback).
is this case also a interface contract violation ?
Also,
there's no telling if your users might still want to specify a specific
DTD or XML Schema to use--ignoring it altogether wouldn't leave a good
impression.
as expressed above - i do only return my custom dtd for the special xml
document in case no
dtd/schema is referenced by the document.
All of this is still internal, of course, and subject to change.
i know - as usual :-)
many thanks for your answers. it helped me a lot. i will try to refactor
my code to implement your suggested way.
---
Nitin Dahyabhai
Structured Source Editing
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