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Fwd: Re: output html as lower case?: msg#00019

java.enhydra.xmlc

Subject: Fwd: Re: output html as lower case?

forwarding to the list so others can see it.

Jake

Posted-Date: Tue, 24 Jun 2003 10:41:34 -0500 (CDT)
From: Richard Kunze <kunze@xxxxxxxxx>
To: Jacob Kjome <hoju@xxxxxxxx>
Subject: Re: Xmlc:  output html as lower case?
Date: Tue, 24 Jun 2003 17:41:23 +0200


On Tuesday 24 June 2003 17:15, you wrote:
> Anyway, I know that Xerces2 does not yet have an dom level2 html
> implementation as of yet.  Maybe we can write it and contribute it to the
> Xerces2 project?  Or just let them write it, if they already have plans to
> do so.

I'm not sure want to use Xerces 2 as the basis for the XMLC 3.0 DOM. In fact,
I'm pretty sure that I don't want to :-)

Instead, I'd like to base the new XMLC DOM on Dom4J for the follwoing reasons:

- Dom4J has a clean internal layout that's designed to support derived
implementations
- The implementation uses interfaces internally to access nodes and elements
- Dom4J has builtin XPath support
- Dom4J supports not only W3C DOM, but provides a different (and much nicer
IMO), more Java centric interface to the document as well

I think we can take it as a given that we need our own DOM implementation for
XMLC in order to optimize for XMLC's typical "one template, many copies"
usage scenario (main fetaures: Copy-on-write nodes and preformatted text, as
in the LazyDOM), so it's reasonable to build off of a basis that's designed
with extensions in mind.

The second point is necessary to support type-safe accessor interfaces for
arbitrary nodes. I plan to implement this with dynamic proxies, and that
won't work if the DOM implementation uses classes instead of interfaces
internally (you can't wrap a class in a dynamic proxy, only an interface).

The builtin XPath support comes in handy for implementing advanced DOM access
and for binding accessor interfaces to DOM nodes (and is nice to have anyway
of course), and the Dom4J API is very nice to have as well - especially so
because Dom4J supports both its own and the W3C API on the same document
instance, so the XMLC users can choose which API they like better.


--
Richard Kunze

[ t]ivano Software, Bahnhofstr. 18, 63263 Neu-Isenburg
Tel.: +49 6102 80 99 07 - 0, Fax.: +49 6102 80 99 07 - 1
http://www.tivano.de, kunze@xxxxxxxxx
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