in core/src/main/java/org/apache/ftpserver/command/CommandFactoryFactory.java [87:141]
static {
// first populate the default command list
DEFAULT_COMMAND_MAP.put("ABOR", new ABOR());
DEFAULT_COMMAND_MAP.put("ACCT", new ACCT());
DEFAULT_COMMAND_MAP.put("APPE", new APPE());
DEFAULT_COMMAND_MAP.put("AUTH", new AUTH());
DEFAULT_COMMAND_MAP.put("CDUP", new CDUP());
DEFAULT_COMMAND_MAP.put("CWD", new CWD());
DEFAULT_COMMAND_MAP.put("DELE", new DELE());
DEFAULT_COMMAND_MAP.put("EPRT", new EPRT());
DEFAULT_COMMAND_MAP.put("EPSV", new EPSV());
DEFAULT_COMMAND_MAP.put("FEAT", new FEAT());
DEFAULT_COMMAND_MAP.put("HELP", new HELP());
DEFAULT_COMMAND_MAP.put("LANG", new LANG());
DEFAULT_COMMAND_MAP.put("LIST", new LIST());
DEFAULT_COMMAND_MAP.put("MD5", new MD5());
DEFAULT_COMMAND_MAP.put("MFMT", new MFMT());
DEFAULT_COMMAND_MAP.put("MMD5", new MD5());
DEFAULT_COMMAND_MAP.put("MDTM", new MDTM());
DEFAULT_COMMAND_MAP.put("MLST", new MLST());
DEFAULT_COMMAND_MAP.put("MKD", new MKD());
DEFAULT_COMMAND_MAP.put("MLSD", new MLSD());
DEFAULT_COMMAND_MAP.put("MODE", new MODE());
DEFAULT_COMMAND_MAP.put("NLST", new NLST());
DEFAULT_COMMAND_MAP.put("NOOP", new NOOP());
DEFAULT_COMMAND_MAP.put("OPTS", new OPTS());
DEFAULT_COMMAND_MAP.put("PASS", new PASS());
DEFAULT_COMMAND_MAP.put("PASV", new PASV());
DEFAULT_COMMAND_MAP.put("PBSZ", new PBSZ());
DEFAULT_COMMAND_MAP.put("PORT", new PORT());
DEFAULT_COMMAND_MAP.put("PROT", new PROT());
DEFAULT_COMMAND_MAP.put("PWD", new PWD());
DEFAULT_COMMAND_MAP.put("QUIT", new QUIT());
DEFAULT_COMMAND_MAP.put("REIN", new REIN());
DEFAULT_COMMAND_MAP.put("REST", new REST());
DEFAULT_COMMAND_MAP.put("RETR", new RETR());
DEFAULT_COMMAND_MAP.put("RMD", new RMD());
DEFAULT_COMMAND_MAP.put("RNFR", new RNFR());
DEFAULT_COMMAND_MAP.put("RNTO", new RNTO());
DEFAULT_COMMAND_MAP.put("SITE", new SITE());
DEFAULT_COMMAND_MAP.put("SIZE", new SIZE());
DEFAULT_COMMAND_MAP.put("SITE_DESCUSER", new SITE_DESCUSER());
DEFAULT_COMMAND_MAP.put("SITE_HELP", new SITE_HELP());
DEFAULT_COMMAND_MAP.put("SITE_STAT", new SITE_STAT());
DEFAULT_COMMAND_MAP.put("SITE_WHO", new SITE_WHO());
DEFAULT_COMMAND_MAP.put("SITE_ZONE", new SITE_ZONE());
DEFAULT_COMMAND_MAP.put("STAT", new STAT());
DEFAULT_COMMAND_MAP.put("STOR", new STOR());
DEFAULT_COMMAND_MAP.put("STOU", new STOU());
DEFAULT_COMMAND_MAP.put("STRU", new STRU());
DEFAULT_COMMAND_MAP.put("SYST", new SYST());
DEFAULT_COMMAND_MAP.put("TYPE", new TYPE());
DEFAULT_COMMAND_MAP.put("USER", new USER());
}