[jira] [Closed] (JAMES-3878) Remove icu4j dependency and replace required functionality with other dependencies

["Benoit Tellier (Jira)" <se...@james.apache.org>]

     [ https://issues.apache.org/jira/browse/JAMES-3878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benoit Tellier closed JAMES-3878.
---------------------------------
    Fix Version/s: 3.8.0
       Resolution: Fixed

Merged. Thanks for the contribution!

> Remove icu4j dependency and replace required functionality with other dependencies
> ----------------------------------------------------------------------------------
>
>                 Key: JAMES-3878
>                 URL: https://issues.apache.org/jira/browse/JAMES-3878
>             Project: James Server
>          Issue Type: Improvement
>          Components: mailbox
>    Affects Versions: master
>            Reporter: Wojtek
>            Priority: Minor
>             Fix For: 3.8.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> (context discussion: [https://gitter.im/apache/james-project?at=63c87300c47d581062986327)]
>  
> Currently James has `icu4j` as dependency but only uses `UnicodeSet.containsAll()` from it. Given that the dependency is 15M and the usage is minimal and could be replaced with functions from other dependencies it would be good to do so.
>  
> Right now it's used in:
>  * `org.apache.james.mailbox.model.MailboxAnnotationKey`
>  * {{org.apache.james.jmap.draft.model.Keyword }}
>  * ({{{}.java){}}}{{{}{}}}
>  * {{org.apache.james.jmap.mail.Keyword}} ({{{}.scala{}}})
>  
> It could be replaced with `re2` from google (https://github.com/google/re2j), which is already present in dependencies and it's only ~100K) and performance wise it should be on pair.



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