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Re: combining XMLEvent lists

  • From: Michael Kay <mike@saxonica.com>
  • To: xml-dev@lists.xml.org
  • Date: Tue, 28 Sep 2010 23:09:14 +0100

Re:  combining XMLEvent lists

> Right, StAX events. Hm, ok, it seems I'm a little bit hard of
> understanding, but how do I create an XMLEventReader out of a
> List<XMLEvent>?

In essence, your XMLEventReader implementation contains a List<XMLEvent> 
list and and an int position, and you implement the seven methods of the 
interface something like this:

          - no-op

           step position forwards through the list, accumulating text 
events in a StringBuffer until you reach the matching EndElement event, 
then return the contents of the StringBuffer

getProperty(java.lang.String name)

  boolean    hasNext()
           test if position is at the end of the list

  XMLEvent    nextEvent()
           return list[position++]

  XMLEvent    nextTag()
          increment position until a START_ELEMENT or END_ELEMENT is 

  XMLEvent    peek()
          return list[position+1] with some error checking.

Not really very difficult.

Michael Kay

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