RFR: 8212794 IBM-964 and IBM-29626C are required for AIX default charset

[Volker Simonis]

Hi Ichiroh,

sorry, but unfortunately, this change is way beyond my level of expertise :)

You should try to get a review from Sherman or Alan.

Regards,
Volker
On Fri, Oct 26, 2018 at 3:33 PM Ichiroh Takiguchi
<takiguc at linux.vnet.ibm.com> wrote:
>
> Hello.
>
> Could you review the fix ?
>
> Bug:    https://bugs.openjdk.java.net/browse/JDK-8212794
> Change: https://cr.openjdk.java.net/~itakiguchi/8212794/webrev.00/
>
> I'd like to obtain a sponsor for this issue.
>
>
> IBM964 charset and IBM29626C charset are required for default charset
> on AIX zh_TW and ja_JP locale.
> OpenJDK already has IBM964, but it could not be configured for default
> charset.
> IBM29626C is new one.
> (IBM33722 extends IBM29626C class)
>
> I knew IBM charsets would need to move to somewhere.
> The discussion was started by "Adding new IBM extended charsets". [1]
> But it's related default charset issue.
> Please put them inside of OpenJDK.
>
> About IBM964,
> Bhaktavatsal started the discussion [2].
> Sherman said that [3]
>    the new model (open/make/data/charetmapping), instead of hard-coding
> the map
>    into the source code.
>
> This fix only has small sized hard-coded mapping,
> IBM964/IBM29626C/IBM33722 refer other charsets conversion table
> which are using the new model.
> And class file is smaller then before.
> Still I used SimpleEUCEncoder class because it's stable.
> I think we may re-write it by IBM charsets renewal.
>
> Thanks,
> Ichiroh Takiguchi
> IBM Japan, Ltd.
>
> [1]
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-July/054248.html
> [2]
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-May/053050.html
> [3]
> http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-May/053096.html
>