[dom4j-user] XPATH Comparison & wildcards

[Ray Grieselhuber]

  I am attempting to iterate through an XML document and at each 
element, I want to compare my current position with an XPATH statement 
that may or may not match my current location. If it does not match, 
then I will delete the element, if it does, I will leave it untouched. 
Does dom4j provide functionality for this? The catch is that I will be 
comparing my current position with XPATH statements that have wildcards 
in them. Is this supported? So here is an example:

<data>
  <person>
       <address>235 Somewhere</address>
  </person>
  <policy>
     <location>
           <address>123 Park Place</address>
           <location-name>Jones Place</location-name>
     </location>
  </policy>
</data>
The actual data is more complex than this, but basically even though 
they are in different places, the address element is the same everywhere 
it occurs, so I have XPATH statements defining this like:

/data/person/address

and

/data/*/*/address

Since I have an XPATH statement that will match both address elements 
(can I compare this in dom4j using wildcards?), I will keep the address 
elements, but delete the <location-name> element since it is not in my 
list of XPATH statements.

Hopefully this makes sense.
Any help would be appreciated.
Ray Grieselhuber



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