[jira] Commented: (COLLECTIONS-286) New util method: CollectionUtils.getSingleton(List singletonList) which returns the single object in the list or throws an exception

["Geoffrey De Smet (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COLLECTIONS-286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570279#action_12570279 ] 

Geoffrey De Smet commented on COLLECTIONS-286:
----------------------------------------------

that method should be static

> New util method: CollectionUtils.getSingleton(List<T> singletonList) which returns the single object in the list or throws an exception
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: COLLECTIONS-286
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-286
>             Project: Commons Collections
>          Issue Type: New Feature
>            Reporter: Geoffrey De Smet
>             Fix For: 3.3
>
>
>     public <T> T getSingleton(List<T> singletonList)
>     {
>         if (singletonList.size() != 1)
>         {
>             throw new IllegalArgumentException("The singletonList size ("
>                     + singletonList.size() + ") should be 1.");
>         }
>         return singletonList.get(0);
>     }

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