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From "Gregor B. Rosenauer (JIRA)" <>
Subject [jira] Commented: (LANG-405) StringUtils.truncate() to cut out middle part of a String
Date Sat, 02 Feb 2008 20:32:08 GMT


Gregor B. Rosenauer commented on LANG-405:

Thanks for looking into this little feature request:)
@Henri: Yes, in BeOS this function was used to shorten filenames for display in the desktop
filemanager, Tracker, and was available in the standard API. It was a cool feature, like most
other aspects of the BeOS, way ahead of its time,-)

@Sebb: good question, I think it would be way too much effort to put in word or even sentence
recognition (which words or sentences make sense in which language etc.). I would be happy
enough to have an equal number of characters at each side. This would be enough for the main
use cases I encountered so far:
1. there are multiple Strings and cutting off the beginning/end of a String is not enough
to differentiate them, like in user interfaces (tables etc.).
2. you need an excerpt of a String that is too big as a whole, e.g. logging an XML-document
where the beginning/end is both interesting but the middle part is big and not needed as a

> StringUtils.truncate() to cut out middle part of a String
> ---------------------------------------------------------
>                 Key: LANG-405
>                 URL:
>             Project: Commons Lang
>          Issue Type: New Feature
>    Affects Versions: 2.2
>            Reporter: Gregor B. Rosenauer
>            Priority: Minor
> It would be handy to have a String method that cuts out the middle part of a String such
that as much as possible is kept from the start and end of the String, but the middle part
is replaced by an ellipsis "..."
> BeOS had a function like this, but it's poorly documented, missing examples:
> e.g.:
> A very long text with unimportant stuff in the middle but interesting start and end to
see if the text is complete.
> becomes:
> A very long see if the text is complete.

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