StringUtils.isText to check in a null safe way if a String has (real) text
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Key: LANG-409
URL: https://issues.apache.org/jira/browse/LANG-409
Project: Commons Lang
Issue Type: Improvement
Reporter: Jörg Gottschling
Priority: Minor
I used something similar from the Spring Framework and it was useful. I suggest
two methods where the second is a little more advanced then theirs.
First a method StringUtils.isText(String text) : boolean which checks if the
String is not null and contains a least one not whitespace character. (In
Spring it's "hasText", but "isText" seams to be more consistent within commons
lang.)
The second method could be StringUtils.isText(String text, int n) : boolean
which checks if the String is not null and contains a least n not whitespace
characters.
Question: What happens if a (stupid ;-) developer checks for -5 characters? I
think it should throw an IllegalArgumentException.
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