About FTP Protocol Replies
This section describes protocol replies that are specific to FTP. For information about architecture that is common to all protocol replies, see Architecture.
Class RWFtpReply and its derived classes (Figure 6) contain an encapsulation of the standard FTP protocol reply messages.
RWFtpReply holds general FTP replies.RWFtpPwdReply holds directory information that is returned by a typical PWD request.RWFtpDataReply holds an RWSocketPortal to use for data transfer operations in RETR, STOR, STOU, LIST, and NLST requests.
