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From "Henri Yandell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LANG-922) Add isOneTrue(booleans...) to BooleanUtils to preserve old behavior of BooleanUtils.xor(booleans...)
Date Thu, 17 Oct 2013 05:16:44 GMT

    [ https://issues.apache.org/jira/browse/LANG-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797610#comment-13797610
] 

Henri Yandell commented on LANG-922:
------------------------------------

+1 on both counts. isOneTrue okay if isAnyTrue is there.

> Add isOneTrue(booleans...) to BooleanUtils to preserve old behavior of BooleanUtils.xor(booleans...)
> ----------------------------------------------------------------------------------------------------
>
>                 Key: LANG-922
>                 URL: https://issues.apache.org/jira/browse/LANG-922
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.*
>            Reporter: Benedikt Ritter
>            Assignee: Benedikt Ritter
>             Fix For: 3.2
>
>
> The old implementation (prior to r1532476) of BooleanUtils.xor(boolean...) checked if
the provided array contained exactly one boolean with value true. This was changed because
it is not the correct behavior for an XOR operation. To preserve the behavior we should add
BooleanUtils.isOneTrue(boolean...) and BooleanUtils.isOneTrue(Boolean...) (and possibly the
equivalents for isOneFalse).



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