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From "Allistair Crossley" <>
Subject Commons Config : various XML config querying issues
Date Tue, 27 Sep 2005 14:31:45 GMT

Given an XML structure as follows;

  <b x="1" y="2">

  <b x="3" y="4">

I am having 2 issues.

Firstly, I cannot under any permutation whatsoever manage to get a non-null result for 

Object o = config.getProperty("b");


Object o = config.getProperty("a.b");

However, I _can_ get a result when I know the index 

Object o = config.getProperty("b(0)[@x]");

In practice however, I do not know the index, and not being able to query just "b" means I
have no way of finding out how many indices there are.

Furthermore, if I know the B I want to get the @y for, and I know this because I have the
b[@x], how do I express this? In xPath I would do something like

String prop = config.getProperty("b[@x='1'][@y]);

Other queries I would like to do would be to get a list of d's or a list of f's but only within
the context of a particular B which I can identify by b[@x] _not_ by an index which means

Your advice appreciated, Allistair.

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