Re: [xml-dev] Ordering in SAX filter

["Andrew Welch" <andrew.j.welch@gmail.com>]

2008/5/18 Mansour Al Akeel <mansour.alakeel@gmail.com>:
> 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/