[jira] Updated: (CONFIGURATION-26) Consider returning a concatenation of the list properties with getString()

["Emmanuel Bourg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CONFIGURATION-26?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Bourg updated CONFIGURATION-26:
----------------------------------------

       Priority: Minor  (was: Major)
    Environment:     (was: Operating System: All
Platform: All)
        Summary: Consider returning a concatenation of the list properties with getString()  (was: [configuration] Consider returning a concatenation of the list properties with getString())

> Consider returning a concatenation of the list properties with getString()
> --------------------------------------------------------------------------
>
>                 Key: CONFIGURATION-26
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-26
>             Project: Commons Configuration
>          Issue Type: Bug
>            Reporter: Ittay Dror
>            Priority: Minor
>             Fix For: 2.0
>
>
> in AbstractConfiguration.resolveContainerStore (javadoc):
>   * Returns an object from the store described by the key. If the value is a
>   * List object, replace it with the first object in the list.
> but what if getProperty returns a List because this is the type of the property? 
>  this code will silently grab the first elemen. I don't understand why. Probably 
> the reason is that some class extending AbstractConfiguration returns List for 
> properties. In this case I think the better approach is to have that class 
> return the first element instead, rather than returning the List and letting 
> AbstractConfiguration (which is used by many other implementations, including 
> outside of the configuration package) handle it

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