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Re: [xml-dev] Ordering in SAX filter

From: "Andrew Welch" <andrew.j.welch@-----.--->
To: "Mansour Al Akeel" <mansour.alakeel@-----.--->
Date: 5/18/2008 6:48:00 AM
2008/5/18 Mansour Al Akeel <mansour.alakeel@g...>:
> I need to process some elements in a SAX filter only when a condition
> occurs. The problem that this condition occurs later, and after all the
> events for the elements I need to process are fired. For example:

In the past when I've had this requirement I've either pushed all the
events onto a stack until the condition comes along, or just parsed
the document twice.

> I need to know if someone has a better and easier idea ?

In Java 6 (or StAX in previous versions) you can peek() ahead - check
the future events before they are fired for real:

http://java.sun.com/javase/6/docs/api/javax/xml/stream/XMLEventReader.html#peek()


-- 
Andrew Welch
http://andrewjwelch.com
Kernow: http://kernowforsaxon.sf.net/


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