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From Jörg Gottschling (JIRA) <j...@apache.org>
Subject [jira] Created: (LANG-409) StringUtils.isText to check in a null safe way if a String has (real) text
Date Wed, 06 Feb 2008 08:33:08 GMT
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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