Re: How to get file extention from Content-type.

Thanks Thomas...

Sorry for confusion caused..

My problem is I want to handle mail attachments. and some mail client
like Lotus notes sends attachments without file names.
So my issue is I want to create temporary file for handling attachment
without file name. So for that I want to have correct file extension.
And for that I need to get File extesion from Content Type(Mime Type)

So how to get file extesion from file name.

Thanks
Shilpa


Thomas Weidenfeller wrote:
> shilpa wrote:
> > I want to get file extention from file's content-type.
> > I wanted to handle file with blank name in my mail client.
> > For handling this I need to create temporary file. For that I need to
> > decide file extention based on content-type.
> >
> > getFileNameMap(..) function of UrlConnection constructs FileNameMap but
> > FileNameMap has method just to fetch content type from file extetion. I
> > want exactly opposite of this i.e File extention from Content-Type.
>
> Sorry, but this doesn't make much sense. You talk about e-mail (which
> would be POP3, IMAP, SMTP or similar), then you talk about a file, but
> then you also talk about URLConnection (which would mean HTTP). So what
> is it from what you want to get some content type information? And what
> content type? I would guess we are talking MIME types here, aren't we?
>
> If it is e-mail, then JavaMail has the means to extract MIME parts from
> a mail and provide you with the MIME types of the parts. If it is a file
> you probably want the JavaBeans Activation Framework (JAF) alone. If it
> is HTTP and URLConnection is not enough, you might want to look into
> Apache/Jakarta/Commons.
>
> /Thomas
>
> --
> The comp.lang.java.gui FAQ:
> ftp://ftp.cs.uu.nl/pub/NEWS.ANSWERS/computer-lang/java/gui/faq
> http://www.uni-giessen.de/faq/archiv/computer-lang.java.gui.faq/

.

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