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From Jörg Gottschling (JIRA) <j...@apache.org>
Subject [jira] Commented: (LANG-409) StringUtils.isText to check in a null safe way if a String has (real) text
Date Wed, 06 Feb 2008 17:23:07 GMT

    [ https://issues.apache.org/jira/browse/LANG-409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12566211#action_12566211
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Jörg Gottschling commented on LANG-409:
---------------------------------------

Hm,... OK, that's the same. I use StringUtils very much, but I had not seen this already.
I just did not associate "blank" with "only Whitespace". My fault.

And about the second one: isNotBlank(String string, int length) seams not to be the right
naming. I also proposed a method isLength(String string, int length) Perhaps this best solved
in conjunction with that method, like that:
isNotBlank(string) && isLength(string, 5)

Or do "isTextLength" or "isLengthNotBlank" seam to be more useful?

> StringUtils.isText to check in a null safe way if a String has (real) text
> --------------------------------------------------------------------------
>
>                 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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