The internal instance of the Java wrapped class.
Returns the charset for the upload
Returns the contentTransferEncoding for the upload
Returns the contentType for the upload
Set a data handler.
Set an end handler.
Set an exception handler.
Returns the filename which was used when upload the file.
Returns the name of the attribute
Returns the size of the upload (in bytes)
Stream the content of this upload to the given filename.
Helper method wrapping invocations and returning the Scala type, once again to help provide fluent return types