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From Jeffrey E Care <ca...@us.ibm.com>
Subject Re: Check that path elements exist?
Date Tue, 20 Apr 2010 01:51:32 GMT
Stefan Bodewig <bodewig@apache.org> wrote on 04/15/2010 12:01:56 AM:

> On 2010-04-15, Jeffrey E Care <carej@us.ibm.com> wrote:
> 
> > Before I write my own, if there a way to check that the elements of a 
path
> > actually exist (or optionally that at least one exists)?
> 
> I assume you mean the <pathelement>'s of a <path>.  <resourcecount>,
> <restrict> and <exists> are the ingredients that should help.
> 
> If you wrap your <path> in a <restrict> using <exists> as selector
you
> get only the existing elements.  <resourcecount> will count them and if
> it is greater than 0 you obviously have at least one - likewise if you
> count the path itself and compare the numbers you'll know whether all
> elements exist.

That worked perfectly, thanks.

And shame on me for posting this to dev instead of user...
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