[jdom-interest] how to find a node with maxest attribute in xml file use xpath?

[Philip Nelson]

Correct.  (from memory) There is some example code, possibly in jdom-contrib,
possibly in the list archives showing how to use the Comparable interface to
sort.  So given that you can get a List of elements, you can use the standard
java techniques to sort a List with a Comparable.

The orgiginal question was on how to use XPath though.  Not being an xpath
wizard, is there an xpath Max function?  If so then it seems like a fairly
simple jaxen call to find the max id.


--- "John L. Webber - Jentro AG" <John.Webber at jentro.com> wrote:
> This is really a Java problem, not a JDOM problem. There are a number of
> approaches that could work. You basically need to go through all the AAA
> elements and parse the values of the id attributes. org.jdom.Attribute
> has a utility method, getIntValue() that might help.
> 
> John
> 
> 
> 
> glliu wrote:
> > Hi,
> >       I use jdom to reading and writing to XML files.and I need help on 
> > the following problem.  Any suggestions?
> >   
> >   Thanks in Advance.
> >   glliu
> >  
> >    
> > xml files:
> >  
> >     <A>
> >       <AAA id="001">
> >       <AAA id="004">
> >       <AAA id="023">
> >       <AAA id="098">
> >       <AAA id="002">
> >     <A>
> >  
> > how can I find the node with maxest id attribute?here is <AAA id="098">.
> 
> -- 
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>  John L. Webber, Software Development
> ---------------------------------------------------------
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