gets the file mime type as passed by the browser . concode_field_sep HttpServerFileUpload upload concode_elem_sep String error concode_field_sep String field concode_elem_sep long size concode_elem_sep String getErrorIfAny concode_elem_sep void cleanup concode_elem_sep String name concode_elem_sep void close concode_elem_sep void push
String function ( ) { return upload . contentType ( ) ; }