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From "Benedikt Ritter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LANG-922) Add isOneTrue(booleans...) to BooleanUtils to preserve old behavior of BooleanUtils.xor(booleans...)
Date Sat, 01 Feb 2014 12:40:09 GMT

    [ https://issues.apache.org/jira/browse/LANG-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13888558#comment-13888558
] 

Benedikt Ritter commented on LANG-922:
--------------------------------------

bq. I'd like to get away from static util methods that take 4 parameters

I've created LANG-964 to track the creating of fluent APIs, since this has to wait until 4.0.

> 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: Task
>          Components: lang.*
>            Reporter: Benedikt Ritter
>             Fix For: Discussion
>
>
> 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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