How to read attachments from a MimeMessage using JavaMail?

Hi, dudes! i have a problem concerning JavaMail library, when i want to get attachment files after i acquire messages from the Email server. i've checked up the sun.com online tutorial, they showed me some sample codes like below:

Multipart mp = (Multipart)message.getContent();

for (int i=0, n=multipart.getCount(); i<n; i++) {
  Part part = multipart.getBodyPart(i));

  String disposition = part.getDisposition();

  if ((disposition != null) && 
      ((disposition.equals(Part.ATTACHMENT) ||
       (disposition.equals(Part.INLINE))) {
    saveFile(part.getFileName(), part.getInputStream());
  }
}

But i still have no idea how this "saveFile" method should be written? how can i put the InputStream into the new created file? and do i have to handle the different MimeTypes (.txt, .gif, .zip.....) by myself?

As you may see, i am still new to Java, so will be nice of you to write it in more detail. :) Thanx in advance!

Eric
boyericAsked:
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objectsCommented:
FileOutputSream out = new FileOutputStream();
int n = 0;
while (-1!=(n=in.read()))
{
   out.write(n);
}
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objectsCommented:
you could also use a buffer if you want to read/write chunks at a time
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