RFR: 8266013: Unexpected replacement character handling on stateful CharsetEncoder [v2]

[Ichiroh Takiguchi]

On Fri, 30 Apr 2021 16:11:30 GMT, Ichiroh Takiguchi <itakiguchi at openjdk.org> wrote:

>> When an invalid character is converted by getBytes() method, the character is converted to replacement byte data.
>> Shift code (SO/SI) may not be added into right place by EBCDIC Mix charset.
>> EBCDIC Mix charset encoder is stateful encoder.
>> Shift code should be added by switching character set.
>> On x-IBM1364, "\u3000\uD800" should be converted to "\x0E\x40\x40\x0F\x6F", but "\x0E\x40\x40\x6F\x0F"
>> SI is not in right place.
>> 
>> Also ISO2022 related charsets use escape sequence to switch character set.
>> But same kind of issue is there.
>
> Ichiroh Takiguchi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8266013: Unexpected replacement character handling on stateful CharsetEncoder

Gentle reminder

Currently stateful CharsetEncoder (like EBCDIC Mix, ISO2022 related) cannot handle replacement characters.
Please give me your suggestion or advice.

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PR: https://git.openjdk.java.net/jdk/pull/3719