Re: javamail content not multipart

From:
Lew <noone@lewscanon.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 12 Jun 2010 11:43:15 -0400
Message-ID:
<hv09t9$f8h$1@news.albasani.net>
eunever32@yahoo.co.uk wrote:

msg.getContent() is not an instanceof Multipart


Lothar Kimmeringer wrote:

What is the type of getContent, what is the complete decrypted
mail (i.e. with the headers). Without that nobody will be able
to tell you more than: Something doesn't seem to be right.


eunever32@yahoo.co.uk wrote:

Regards, Lothar
--
Lothar Kimmeringer E-Mail: spamf...@kimmeringer.de
                PGP-encrypted mails preferred (Key-ID: 0x8BC3CD81)

Always remember: The answer is forty-two, there can only be wrong
                  questions!


Don't quote sigs.

The type of the content is ByteArrayInputStream


You did an illegal thing in Java.

Java is strongly typed. Types are a set of compiler-enforced constraints.
You declared something like (and you should share an SSCCE):

  InputStream content = new ByteArrayInputStream( contentBytes );

For the variable type I purposely substituted the general 'InputStream' for
the specific 'ByteArrayInputStream' you undoubtedly used.

You have a 'msg.getContent()' that returns that 'content'. I'll give it
credit for a declaration 'public InputStream getContent()'.

But there's absolutely no way whatsoever that Java will give any kind of
'InputStream' credit for being a subtype or supertype of 'Multipart'. That's
just your fundamental type-strong compiler constraints following the rules of
the language, there.

There must be some action, not a declarative type cast, that you really want
to perform with that 'getContent()'. What is it?

Oh, and you should share an SSCCE.
http://sscce.org/

--
Lew

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