Re: Re: UnsupportedEncodingException for unicode-1-1-utf-7

Boris Folgmann wrote:
> Hi Chris,
> Chris Burdess schrieb/wrote:
>> UTF7 is supported, however I have never heard of anything being
>> identified as "unicode-1-1-utf-7". Do you have a copy of the original
>> message to hand?
>=20
> Cite from http://www.faqs.org/rfcs/rfc1642.html
>=20
> =
-------------------------------------------------------------------------
> Use of Character Set UTF-7 Within MIME
>=20
>   Character set UTF-7 is safe for mail transmission and therefore may
>   be used with any content transfer encoding in MIME (except where =
line
>   length and line break restrictions are violated). Specifically, the =
7
>   bit encoding for bodies and the Q encoding for headers are both
>   acceptable. The MIME character set identifier is UNICODE-1-1-UTF-7.
>=20
>      Example. Here is a text portion of a MIME message containing the
>      Unicode sequence "Hi Mom <WHITE SMILING FACE>!" (hexadecimal =
0048,
>      0069, 0020, 004D, 006F, 004D, 0020, 263A, 0021).
>=20
>      Content-Type: text/plain; charset=3DUNICODE-1-1-UTF-7
>=20
>      Hi Mom +Jjo-!
> [...]
> =
-------------------------------------------------------------------------

Ah, my bad. UTF7 is only supported at the IMAP protocol level, not at =
the MIME encoding level. If you're interested in developing this =
functionality, the class gnu.inet.imap.UTF7imap may be helpful.
--=20
Chris Burdess