SAX writer

David Brownell david-b at
Wed Jul 28 18:48:47 BST 1999

----- Original Message -----
From: Mark Cheek <mcheek at>
To: 'listserv:java-xml list' <java-xml-interest at>;
'listserv:xml-dev list' <xml-dev at>
Sent: Tuesday, July 27, 1999 10:00 AM
Subject: SAX writer

> Herein lies the problem - my user will perform various tasks on the GUI
> tree that cause my Document to call removeNodeFromParent(..) and
> insertNode(..),etc.   I now need to serialize my new Document object to
> disk as an xml file.  I cannot find any DOM classes or methods to do
> this.. can anyone help?  I do not want to use IBM's or Sun's DOMWriter
> classes as we are not sure yet which parser library we are going to
> implement.

Grab what's at:

and take a look.  I think three classes may be of interest:

    - org.brownell.xml.DomBuilder ... using your choice of DOM
      implementations (Sun, IBM, Oracle, etc) this builds the
      DOM tree using any SAX (or SAX2 alpha) parser.

    - org.brownell.xml.DomParser2 ... walks a DOM tree and
      emits a stream of SAX2 (alpha) events (SAX 1.0 being a
      strict subset)

    - org.brownell.xml.EchoHandler ... given a stream of SAX
      (or, better, SAX2 alpha) events, writes out the XML.

> One other question - I like the idea of using SAX instead of DOM to be
> able to drop in any parser dynamically... Has anyone seen any code that
> uses SAX to create an xml object in code, then make changes, then write
> that xml object back into a file? I am not finding much sample SAX code
> out there to help us explore the power of an event-driven model.
> Especially - writing an xml object to an xml file with SAX.

See the above.  It uses DOM for the intermediate representation, and
lets you pick your favorite SAX parser(s).

- Dave

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