[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] SAX2 and data types (was: Character Tugging)
Clark C. Evans writes: > Context: > > 1. You have a multi-stage process, where SAX is the > interface between each stage. > > 2. Much of your XML document includes Date, Currency, > and other similar object types; which can take > significant parsing time and can always be retrieved > by Object.toString() The SAX2 solution: interface MagicDataHandler { public void date (Date date) throws SAXException; public void currency (Currency currency) throws SAXException; public void integer (int integer) throws SAXException; } then SAXReader r = new MagicDataReader(); MagicDataHandler h = new MyMagicDataHandler(); try { r.setProperty("http://www.foo.com/props/magic-data-handler", h); } catch (SAXException e) { System.err.println("Reader does not support a MagicDataHandler"); System.exit(-1); } Presumably, in place of characters() events, your client application would receive date, currency, and integer events. This would be an especially nice application for SAX2 filters, once we have a stable and generally-accepted data-typing mechanism (no, guys, notations may be stable but they're not yet generally-accepted). > Just trying to solve my pracical problems... Let me know if it looks like we've done this one right. All the best, David -- David Megginson david@m... http://www.megginson.com/ xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ or CD-ROM/ISBN 981-02-3594-1 Please note: New list subscriptions now closed in preparation for transfer to OASIS.
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