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From "Ben Fortuna (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COCOON-2352) XMLEncoder doesn't support Unicode surrogate pairs
Date Thu, 15 Sep 2016 04:16:20 GMT

    [ https://issues.apache.org/jira/browse/COCOON-2352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15492310#comment-15492310
] 

Ben Fortuna commented on COCOON-2352:
-------------------------------------

A possibly less-instrusive approach would be to leave the method signatures as is, but when
a surrogate char is detected, record it and return an empty char array. Expect the second
surrogate in the pair to be encoded next and return the correct char array result (if second
surrogate in the pair isn't encoded throw encoding exception).

> XMLEncoder doesn't support Unicode surrogate pairs
> --------------------------------------------------
>
>                 Key: COCOON-2352
>                 URL: https://issues.apache.org/jira/browse/COCOON-2352
>             Project: Cocoon
>          Issue Type: Bug
>          Components: * Cocoon Core
>            Reporter: Ben Fortuna
>
> Whilst investigating an issue with the Sling project and support for emoji characters,
I've come to notice that the XMLEncoder used by HTMLSerializer doesn't support Unicode surrogate
pairs to represent higher order unicode characters.
> A simple unit test that demonstrates this issue is here:
> https://github.com/micronode/whistlepost/blob/master/whistlepost-rewrite-lib/src/test/groovy/org/apache/cocoon/components/serializers/encoding/XMLEncoderTest.groovy
> More background info here also: SLING-5973
> This seems to have been identified/addressed in other Apache projects also:
> https://issues.apache.org/jira/browse/THRIFT-3403?jql=text%20~%20%22surrogate%20pairs%22



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