Determining the MIME type for a file
MimeTypeResolver class can be used to find the MIME type for a
given file. It supports both using the extention of the file name and
possibly magic bytes from the begining of the file.
Processing a multipart
* Parser for MIME multipart types of data as described in RFC 2046
* section 5.1.1. The data is transformed into
MimeMultipart objects, each
* of them streaming the multipart data.
Help for working with file format identifiers such as