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   RE: SAX: finalising org.sax.xml.Parser

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  • From: Gavin McKenzie <gmckenzi@JetForm.com>
  • To: 'David Megginson' <ak117@freenet.carleton.ca>, 'xml-dev Mailing List' <xml-dev@ic.ac.uk>
  • Date: Tue, 24 Feb 1998 14:22:51 -0500


Something just occurred to me...and maybe its too late, but I thought
I'd mention it...

With SAX there is an assumption that the whole file will be parsed.  I'm
stuck if I'm parsing a 1 gigabyte file that contains 50,000
<TRANSACTION> elements (representing transactions of data), and I only
want the first transaction.

Would it be possible for a mechanism that could pause/resume/terminate a
parse?  Maybe a callback that returns either a 'continue', 'pause' or
'terminate' status value, and a resumeParse() method?  Or a method that
I can call from within the callback to pause the parsing.

I know that I could throw an exception from within one of my callbacks,
which will halt the parse...but it would be valuable to be able 'pause'
and 'resume'.


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