configuration values of nodes with children inconsistent
--------------------------------------------------------
Key: CONFIGURATION-429
URL: https://issues.apache.org/jira/browse/CONFIGURATION-429
Project: Commons Configuration
Issue Type: Bug
Affects Versions: 1.6
Reporter: Silas De Munck
{quote}
<core>
<multicore>
<numberOfCores>2</numberOfCores>
</multicore>
<singlecore />
</core>
{quote}
In an XML configfile (see above) where I want to check if a specific node is
specified. I do this using the containsKey() method on the configuration.
In this case it will return true for the key "core.singlecore" but not for the
key "core.multicore".
If I change the multicore part to this (adding text as a child), it does return
true.
{quote}
<multicore>
ABC
<numberOfCores>2</numberOfCores>
</multicore>
{quote}
As the containsKey() method depends on the getProperty() method, the same
problem exists in that method.
In the first case:
"core.singlecore" returns an empty string
"core.multicore" returns null
and in the second case, "ABC" is returned.
I would like it to also return an empty string in the first case for
"core.multicore".
This behaviour is caused by the code in lines 642-644 of XMLConfiguration.java
(svn):
{quote}
if (text.length() > 0 || (!node.hasChildren() && node != getRoot()))
{
node.setValue(text);
}
{quote}
I think it can be changed to just this:
{quote}
if (node != getRoot())
{
node.setValue(text);
}
{quote}
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