Add defaultIfEmpty or nullIfEmpty to ArrayUtils
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Key: LANG-531
URL: https://issues.apache.org/jira/browse/LANG-531
Project: Commons Lang
Issue Type: Improvement
Affects Versions: 2.4
Reporter: Guy Rouillier
Priority: Minor
StringUtils has method defaultIfEmpty and ObjectUtils has defaultIfNull. A
parallel method is missing from ArrayUtils, and would provide a shorthand way
of normalizing arrays. My first inclination was nullIfEmpty because no simple
default value is readily available or easy to specify. But Henri mentioned
that defaultIfEmpty might better parallel the other implementations. That
option would work okay for me, as I can just specify null as the default.
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