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https://issues.apache.org/jira/browse/LANG-287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12470778
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Holger Hoffstätte commented on LANG-287:
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Henry: I just had a look at the fix and it does look good. Thanks :)
> Optimize StringEscapeUtils.unescapeXml(String)
> ----------------------------------------------
>
> Key: LANG-287
> URL: https://issues.apache.org/jira/browse/LANG-287
> Project: Commons Lang
> Issue Type: Improvement
> Affects Versions: 2.2
> Reporter: Stepan Koltsov
> Priority: Minor
> Fix For: 2.3
>
> Attachments:
> commons-lang-unescape-performace-stepancheg-2006-10-24.diff
>
>
> StringEscapeUtils.unescapeXml(String) (and other unescaes) works too slowly
> if String has nothing to unescape, that is very common situation.
> To make unescape faster, following check should be added to be start of
> Entities.unescape(str)
> if (str.indexOf('&') < 0)
> return str;
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