[ http://issues.apache.org/jira/browse/CONFIGURATION-233?page=all ]
Oliver Heger resolved CONFIGURATION-233.
----------------------------------------
Fix Version/s: Nightly Builds
Resolution: Fixed
Patch applied. Thanks!
> Incomplete interpolation in CompositeConfiguration.getList()
> ------------------------------------------------------------
>
> Key: CONFIGURATION-233
> URL: http://issues.apache.org/jira/browse/CONFIGURATION-233
> Project: Commons Configuration
> Issue Type: Bug
> Affects Versions: 1.3 Final
> Environment: Any.
> Reporter: Rainer Jung
> Fix For: Nightly Builds
>
> Attachments: commons-configuration_1_3_patch.txt
>
>
> Interpolsation is mostly done by AbstractConfiguration. All classes that
> override get methods of AbstractConfiguration need to be careful not to break
> interpolsation.
> The class CompositeConfiguration overrides getList() to easily chain the
> results of getList for its subconfigurations. The calls to getList() in the
> subconfigurations does interpolsation but only inside the subconfiguration.
> The combined lists never get interpolated in the whole
> CompositeConfiguration. So whenever a reference in the value refers to a
> property in another subconfiguration, interpolation breaks.
> Since all the scalar get methods correctly interpolate between different sub
> configurations, I assume, that this special behavior in getList() is not
> intended.
> A simple test case would be using the ConfigurationFactory with a config.xml,
> that uses two property files x.properties:
> x.1=a
> x.2=b
> and y.properties:
> y=${x.1}, ${x.2}
> and then calling getList for the key "y".
> The attached patch fixes the problem locally in CompositeConfiguration. It's
> not very elegant, but tries to keep the fix local.
> The patch should work for 1.2, 1.3 and trunk, since getList() in
> CompositeConfiguration ist the same in these versions.
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