public String getArguments() {
        return Optional.ofNullable(getHeader(FtpMessageHeaders.FTP_ARGS)).map(Object::toString).orElse(null);
    }
public String getArguments ( ) { return Optional . ofNullable ( getHeader ( FtpMessageHeaders . FTP_ARGS ) ) . map ( Object :: toString ) . orElse ( null ) ; }
Gets the command args.