[jira] Commented: (HARMONY-6269) [classlib][luni] Default GMT TimeZone has no display name defined

["Kevin Zhou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-6269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731245#action_12731245 ] 

Kevin Zhou commented on HARMONY-6269:
-------------------------------------

Hi Cath,
I suggest that you refer to SPEC of ICU to confirm whether it provides such a functionality. Or is the pattern "z" incorrect? If not, I think you can add a private method inside TimeZone of Harmony to extract and return the abbreviation of names instead. 

> [classlib][luni] Default GMT TimeZone has no display name defined
> -----------------------------------------------------------------
>
>                 Key: HARMONY-6269
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6269
>             Project: Harmony
>          Issue Type: Bug
>         Environment: all
>            Reporter: Catherine Hope
>            Priority: Minor
>
> The default TimeZone, GMT, has no display names defined - calling getDisplayName() always returns "GMT+00:00" instead of "Greenwich Mean Time" or the short form "GMT".  This also has implications for date formatting - creating a SimpleDateFormat with pattern "z", will display the time zone as "GMT+00:00" instead of "GMT".  The harmony implementation of TimeZone.getDisplayName() is deferring to com.ibm.icu.util.TimeZone for the value, which has some long display names set , but not GMT, so I'm unsure where to fix this.

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