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https://issues.apache.org/jira/browse/LANG-444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12604141#action_12604141
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Robert Scholte commented on LANG-444:
-------------------------------------
You can always use StringUtils.defaultIfEmpty(aString, null). The javadoc
doesn't give an example when using null as second argument, but that should do
the trick.
> StringUtils.emptyToNull
> -----------------------
>
> Key: LANG-444
> URL: https://issues.apache.org/jira/browse/LANG-444
> Project: Commons Lang
> Issue Type: New Feature
> Affects Versions: 2.4
> Reporter: Hideyuki Suzumi
> Priority: Minor
>
> Inversion of StringUtils.defaultString(String).
> StringUtils.emptyToNull(null) = null
> StringUtils.emptyToNull("") = null
> StringUtils.emptyToNull("bat") = "bat"
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