net.sf.hermesftp.cmd
Class AbstractFtpCmdPasv

java.lang.Object
  net.sf.hermesftp.cmd.AbstractFtpCmd
      net.sf.hermesftp.cmd.AbstractFtpCmdPasv

All Implemented Interfaces:

java.lang.Cloneable, FtpCmd, FtpConstants

Direct Known Subclasses:

FtpCmdEpsv, FtpCmdPasv

public abstract class AbstractFtpCmdPasv
extends AbstractFtpCmd

Author:

Behnke

Field Summary

Fields inherited from interface net.sf.hermesftp.common.FtpConstants

ATTR_CLIENT_NAME, ATTR_DATA_PROT, ATTR_FILE_OFFSET, ATTR_FORCE_UTF8, ATTR_GROUP_DATA, ATTR_LOGIN_TIME, ATTR_RENAME_FILE, ATTR_RESTART_MARKERS, ATTR_SSL, ATTR_USER_DATA, BYTE_LENGTH, BYTE_MASK, DEFAULT_BEAN_RES, DEFAULT_KEYSTORE, DEFAULT_KEYSTORE_PASS, DT_ASCII, DT_BINARY, DT_EBCDIC, HERMES_HOME, MILLI, MODE_BLOCK, MODE_COMPRESS, MODE_STREAM, MODE_ZIP, MSG_GOODBYE, MSG150, MSG200, MSG200_NOTED, MSG200_PBSZ, MSG200_SIZE, MSG200_TYPE, MSG202, MSG211_FEAT_ENTRY, MSG211_FEAT_FOOTER, MSG211_FEAT_HEADER, MSG211_STAT, MSG213_SIZE, MSG213_TIME, MSG214, MSG220, MSG220_WEL, MSG226, MSG227, MSG229, MSG230, MSG234, MSG250, MSG257, MSG331, MSG350, MSG350_REST, MSG421, MSG425, MSG426, MSG431, MSG450, MSG451, MSG500, MSG500_CMD, MSG501, MSG501_PATH, MSG501_SIZE, MSG503, MSG503_USR, MSG504, MSG522, MSG530, MSG530_AUTH, MSG534, MSG536, MSG550, MSG550_COMM, MSG550_EXISTS, MSG550_MSG, MSG550_NOTEMPTY, MSG550_PERM, MSG553, OPT_ALLOWED_PASSIVE_PORTS, OPT_BUFFER_SIZE, OPT_CHARSET_ASCII, OPT_CHARSET_EBCDIC, OPT_EMULATE_UNIX, OPT_FTP_PORT, OPT_IPV4_BLACK_LIST, OPT_IPV6_BLACK_LIST, OPT_MAX_CONNECTIONS, OPT_MAX_DOWNLOAD_RATE, OPT_MAX_IDLE_SECONDS, OPT_MAX_UPLOAD_RATE, OPT_MSG_GOODBYE, OPT_MSG_WELCOME, OPT_REMOTE_DIR, OPT_SSL_ALLOW_EXPLICIT, OPT_SSL_ALLOW_IMPLICIT, OPT_SSL_CIPHER_SUITES, OPT_SSL_FORCE, OPT_SSL_KEYSTORE_FILE, OPT_SSL_KEYSTORE_PASS, OPT_SSL_PORT_IMPLICIT, PRIV_NONE, PRIV_READ, PRIV_READ_WRITE, PRIV_WRITE, PWD, SEPARATOR, SERVER_STATUS_HALTED, SERVER_STATUS_INIT, SERVER_STATUS_READY, SERVER_STATUS_UNDEF, SPACE, STAT_BYTES_DOWNLOADED, STAT_BYTES_UPLOADED, STAT_DOWNLOAD_RATE, STAT_FILES_DOWNLOADED, STAT_FILES_UPLOADED, STAT_UPLOAD_RATE, STRUCT_FILE, STRUCT_RECORD, TYPE_NAMES, WILDCARD

Constructor Summary

AbstractFtpCmdPasv()

Method Summary

protected abstract java.lang.String	createResponseMessage(int protocol, java.lang.String addr, int port) Returns the reponse string encoding ip address, port and protocol type.
void	execute() Executes the command.
protected abstract int	getPreferredProtocol() Returns the preferred protocol version (1=IPv4, 2=IPv6, 0=undefined).
boolean	isAuthenticationRequired() Returns whether authentication is needed or not.

Methods inherited from class net.sf.hermesftp.cmd.AbstractFtpCmd

getAbsPath, getAndResetFileOffset, getArguments, getCtx, getPathArg, getPermission, getToken, handleAsyncCmd, isResponded, msg, msg, msg, msgOut, msgOut, msgOut, out, setArguments, setCtx, setToken

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.sf.hermesftp.cmd.FtpCmd

getHelp

Constructor Detail

AbstractFtpCmdPasv

public AbstractFtpCmdPasv()

Method Detail

execute

public void execute()
             throws FtpCmdException

Executes the command.

Throws:

FtpCmdException - Thrown on any exception occuring while the command is executed.

isAuthenticationRequired

public boolean isAuthenticationRequired()

Returns whether authentication is needed or not.

Returns:

True, if the command requires authentication.

getPreferredProtocol

protected abstract int getPreferredProtocol()

Returns the preferred protocol version (1=IPv4, 2=IPv6, 0=undefined).

Returns:

The protocol version.

createResponseMessage

protected abstract java.lang.String createResponseMessage(int protocol,
                                                          java.lang.String addr,
                                                          int port)

Returns the reponse string encoding ip address, port and protocol type. Example: 229 Entering Extended Passive Mode (|||6000|).

Parameters:

protocol - The protocol index (1=IPv4, 2=IPv6).

addr - The address.

port - The port.

Returns:

The string encoding the connection data in an appropriate format.