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Re: Generating XML

• From: "Bill la Forge" <b.laforge@j...>
• To: <xml-dev@i...>, <david@m...>
• Date: Wed, 20 Jan 1999 12:54:21 -0500

Is this one of those areas where we could really use an additional
(optional) interface on DOM elements?

I usually just call normalize on the sub-tree in question and then
generate the XML while doing a tree transversal. But it would be
nice to check each individual element and see if it implements
a write interface, which would indicate that it is taking responsibility
for the XML composition for itself and its subordinate elements.

Bill

-----Original Message-----
From: david@m... <david@m...>
To: xml-dev@i... <xml-dev@i...>
Date: Wednesday, January 20, 1999 12:07 PM
Subject: RE: Generating XML


>Michael.Kay@i... writes:
>
> > My normal way is to have a "writeXML()" method on the relevant
> > object, which calls writeXML() methods on its component objects,
> > and so on. A lot depends on how close the java object structure is
> > to the desired XML document structure.
>
>A more elegant (if slightly more verbose) alternative is to have a
>separate XMLWriter interface, so that you can write the XML out in
>different ways (with or without preserving internal entity references,
>etc.).
>
>This approach can work very nicely if the component object implements
>the Visitor design pattern: the writer can act as a visitor, and the
>XML component object can invoke the correct method in the writer
>object based on the component's type.
>
>
>All the best,
>
>
>David
>
>-- 
>David Megginson                 david@m...
>           http://www.megginson.com/
>
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