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   SAX Namespaces? ContentHandlers? Jobs.

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  • From: "Ean R . Schuessler" <ean@novare.net>
  • To: XML-DEV <xml-dev@xml.org>
  • Date: Wed, 5 Apr 2000 19:21:28 -0500

Ok, you'll have to forgive me, I'm still trying to absorb the significance
of XML namespaces and their relationship with SAX2. Some of my initial

- Since you map URIs (which are unique, hopefully) to prefixes (which may
  not be unique) what exactly do namespaces achieve? Is it useful since
  you then know explicitly that a collision exists? Wouldn't it be more
  reliable to just use long XML tag names like: org-webslinger-sax-flop?

- If you are writing a generic SAX filter that would be used by multiple
  applications how should it handle namespaces? Like, if I write a SAX
  Filter that converts <date/> into the current date and I want it to
  just operate in the "foo" namespace, how is that done? Do I just make
  up my own API conventions for it, like "new DateFilter( namespace )"?

So, thats one thing. Another thing that I'm confused about is how you
communicate "out of band" or config data to a ContentHandler. XMLReader,
obviously, has Features and Properities which are useful for telling it
special things. How do you do similar things (querying capabilities,
setting configuration data, etc.) on a Content Handler? Should it not be
done? Should I make up my own API that will have to be replaced later?

Oh, by the way, I would like to announce that we will be needing to fill
6 positions fairly immediatly and 10 positions long term to write Open Source
Java. This work will include heavy SAX and DOM work, working with Kaffe on
an embedded MIPS based hand-held Linux system, working on free EJB systems,
working with and/or developing enterprise level Java systems such as
message queues and EJB containers, and assorted work with distributed
clusters running Kaffe. Some code will be customer specific/proprietary,
but 90% of the code written will be put straight into LGPL. We are interested
in people in Texas as well as people who would need to work remotely. If
this sounds interesting, please drop me a line. (Sorry if this is Spam,
since its basically an oppurtunity to get paid to write Open Source Java
I figured I could get away with it).

That's it for me.

Ean Schuessler                                             As above
Novare International Inc.                                  so below
*** WARNING: This signature may contain jokes.

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