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org.apache.commons.net.ftp
Class FTP  view FTP download FTP.java

java.lang.Object
  extended byorg.apache.commons.net.SocketClient
      extended byorg.apache.commons.net.telnet.Telnet
          extended byorg.apache.commons.net.telnet.TelnetClient
              extended byorg.apache.commons.net.ftp.FTP
Direct Known Subclasses:
FTPClient
public class FTP
extends org.apache.commons.net.telnet.TelnetClient

FTP provides the basic the functionality necessary to implement your own FTP client. It extends org.apache.commons.net.TelnetClient simply because it saves the writing of extra code to handle the FTP control connection which always remains open during an FTP session and uses the Telnet protocol. Aggregation would require writing new wrapper methods and wouldn't leverage the functionality already present in org.apache.commons.net.SocketClient.

To derive the full benefits of the FTP class requires some knowledge of the FTP protocol defined in RFC 959. However, there is no reason why you should have to use the FTP class. The FTPClient class, derived from FTP, implements all the functionality required of an FTP client. The FTP class is made public to provide access to various FTP constants and to make it easier for adventurous programmers (or those with special needs) to interact with the FTP protocol and implement their own clients. A set of methods with names corresponding to the FTP command names are provided to facilitate this interaction.

You should keep in mind that the FTP server may choose to prematurely close a connection if the client has been idle for longer than a given time period (usually 900 seconds). The FTP class will detect a premature FTP server connection closing when it receives a FTPReply.SERVICE_NOT_AVAILABLE 55 response to a command. When that occurs, the FTP class method encountering that reply will throw an FTPConnectionClosedException . FTPConectionClosedException is a subclass of IOException and therefore need not be caught separately, but if you are going to catch it separately, its catch block must appear before the more general IOException catch block. When you encounter an FTPConnectionClosedException , you must disconnect the connection with disconnect() 55 to properly clean up the system resources used by FTP. Before disconnecting, you may check the last reply code and text with getReplyCode 55 , getReplyString 55 , and getReplyStrings 55 . You may avoid server disconnections while the client is idle by periodicaly sending NOOP commands to the server.

Rather than list it separately for each method, we mention here that every method communicating with the server and throwing an IOException can also throw a org.apache.commons.net.MalformedServerReplyException , which is a subclass of IOException. A MalformedServerReplyException will be thrown when the reply received from the server deviates enough from the protocol specification that it cannot be interpreted in a useful manner despite attempts to be as lenient as possible.

Field Summary
private  java.lang.StringBuffer __commandBuffer
           
private static java.lang.String __modes
           
protected  org.apache.commons.net.ProtocolCommandSupport _commandSupport_
          A ProtocolCommandSupport object used to manage the registering of ProtocolCommandListeners and te firing of ProtocolCommandEvents.
(package private)  java.lang.String _controlEncoding
           
(package private)  java.io.BufferedReader _controlInput
           
(package private)  java.io.BufferedWriter _controlOutput
           
(package private)  boolean _newReplyString
           
(package private)  int _replyCode
           
(package private)  java.util.Vector _replyLines
           
(package private)  java.lang.String _replyString
           
static int ASCII_FILE_TYPE
          A constant used to indicate the file(s) being transfered should be treated as ASCII.
static int BINARY_FILE_TYPE
          A constant used to indicate the file(s) being transfered should be treated as a binary image, i.e., no translations should be performed.
static int BLOCK_TRANSFER_MODE
          A constant used to indicate a file is to be transfered as a series of blocks.
static int CARRIAGE_CONTROL_TEXT_FORMAT
          A constant used to indicate a text file contains ASA vertical format control characters.
static int COMPRESSED_TRANSFER_MODE
          A constant used to indicate a file is to be transfered as FTP compressed data.
static java.lang.String DEFAULT_CONTROL_ENCODING
          The default character encoding used for communicating over an FTP control connection.
static int DEFAULT_DATA_PORT
          The default FTP data port (20).
static int DEFAULT_PORT
          The default FTP control port (21).
static int EBCDIC_FILE_TYPE
          A constant used to indicate the file(s) being transfered should be treated as EBCDIC.
static int FILE_STRUCTURE
          A constant used to indicate a file is to be treated as a continuous sequence of bytes.
static int IMAGE_FILE_TYPE
          A constant used to indicate the file(s) being transfered should be treated as a binary image, i.e., no translations should be performed.
static int LOCAL_FILE_TYPE
          A constant used to indicate the file(s) being transfered should be treated as a local type.
static int NON_PRINT_TEXT_FORMAT
          A constant used for text files to indicate a non-print text format.
static int PAGE_STRUCTURE
          A constant used to indicate a file is to be treated as a set of independent indexed pages.
static int RECORD_STRUCTURE
          A constant used to indicate a file is to be treated as a sequence of records.
static int STREAM_TRANSFER_MODE
          A constant used to indicate a file is to be transfered as a stream of bytes.
static int TELNET_TEXT_FORMAT
          A constant used to indicate a text file contains format vertical format control characters.
 
Fields inherited from class org.apache.commons.net.telnet.TelnetClient
readerThread, TERMINAL_TYPE, TERMINAL_TYPE_IS, TERMINAL_TYPE_SEND
 
Fields inherited from class org.apache.commons.net.SocketClient
_defaultPort_, _input_, _isConnected_, _output_, _socket_, _socketFactory_, _timeout_, NETASCII_EOL
 
Constructor Summary
FTP()
          The default FTP constructor.
 
Method Summary
private  void __getReply()
           
protected  void _connectAction_()
          Handles special connection requirements.
 int abor()
          A convenience method to send the FTP ABOR command to the server, receive the reply, and return the reply code.
 int acct(java.lang.String account)
          A convenience method to send the FTP ACCT command to the server, receive the reply, and return the reply code.
 void addProtocolCommandListener(org.apache.commons.net.ProtocolCommandListener listener)
          Adds a ProtocolCommandListener.
 int allo(int bytes)
          A convenience method to send the FTP ALLO command to the server, receive the reply, and return the reply code.
 int allo(int bytes, int recordSize)
          A convenience method to send the FTP ALLO command to the server, receive the reply, and return the reply code.
 int appe(java.lang.String pathname)
          A convenience method to send the FTP APPE command to the server, receive the reply, and return the reply code.
 int cdup()
          A convenience method to send the FTP CDUP command to the server, receive the reply, and return the reply code.
 int cwd(java.lang.String directory)
          A convenience method to send the FTP CWD command to the server, receive the reply, and return the reply code.
 int dele(java.lang.String pathname)
          A convenience method to send the FTP DELE command to the server, receive the reply, and return the reply code.
 void disconnect()
          Closes the control connection to the FTP server and sets to null some internal data so that the memory may be reclaimed by the garbage collector.
 java.lang.String getControlEncoding()
           
 int getReply()
          Fetches a reply from the FTP server and returns the integer reply code.
 int getReplyCode()
          Returns the integer value of the reply code of the last FTP reply.
 java.lang.String getReplyString()
          Returns the entire text of the last FTP server response exactly as it was received, including all end of line markers in NETASCII format.
 java.lang.String[] getReplyStrings()
          Returns the lines of text from the last FTP server response as an array of strings, one entry per line.
 int help()
          A convenience method to send the FTP HELP command to the server, receive the reply, and return the reply code.
 int help(java.lang.String command)
          A convenience method to send the FTP HELP command to the server, receive the reply, and return the reply code.
 int list()
          A convenience method to send the FTP LIST command to the server, receive the reply, and return the reply code.
 int list(java.lang.String pathname)
          A convenience method to send the FTP LIST command to the server, receive the reply, and return the reply code.
 int mkd(java.lang.String pathname)
          A convenience method to send the FTP MKD command to the server, receive the reply, and return the reply code.
 int mode(int mode)
          A convenience method to send the FTP MODE command to the server, receive the reply, and return the reply code.
 int nlst()
          A convenience method to send the FTP NLST command to the server, receive the reply, and return the reply code.
 int nlst(java.lang.String pathname)
          A convenience method to send the FTP NLST command to the server, receive the reply, and return the reply code.
 int noop()
          A convenience method to send the FTP NOOP command to the server, receive the reply, and return the reply code.
 int pass(java.lang.String password)
          A convenience method to send the FTP PASS command to the server, receive the reply, and return the reply code.
 int pasv()
          A convenience method to send the FTP PASV command to the server, receive the reply, and return the reply code.
 int port(java.net.InetAddress host, int port)
          A convenience method to send the FTP PORT command to the server, receive the reply, and return the reply code.
 int pwd()
          A convenience method to send the FTP PWD command to the server, receive the reply, and return the reply code.
 int quit()
          A convenience method to send the FTP QUIT command to the server, receive the reply, and return the reply code.
 int rein()
          A convenience method to send the FTP REIN command to the server, receive the reply, and return the reply code.
 void removeProtocolCommandListener(org.apache.commons.net.ProtocolCommandListener listener)
          Removes a ProtocolCommandListener.
 int rest(java.lang.String marker)
          A convenience method to send the FTP REST command to the server, receive the reply, and return the reply code.
 int retr(java.lang.String pathname)
          A convenience method to send the FTP RETR command to the server, receive the reply, and return the reply code.
 int rmd(java.lang.String pathname)
          A convenience method to send the FTP RMD command to the server, receive the reply, and return the reply code.
 int rnfr(java.lang.String pathname)
          A convenience method to send the FTP RNFR command to the server, receive the reply, and return the reply code.
 int rnto(java.lang.String pathname)
          A convenience method to send the FTP RNTO command to the server, receive the reply, and return the reply code.
 int sendCommand(int command)
          Sends an FTP command with no arguments to the server, waits for a reply and returns the numerical response code.
 int sendCommand(int command, java.lang.String args)
          Sends an FTP command to the server, waits for a reply and returns the numerical response code.
 int sendCommand(java.lang.String command)
          Sends an FTP command with no arguments to the server, waits for a reply and returns the numerical response code.
 int sendCommand(java.lang.String command, java.lang.String args)
          Sends an FTP command to the server, waits for a reply and returns the numerical response code.
 void setControlEncoding(java.lang.String encoding)
          Sets the character encoding used by the FTP control connection.
 int site(java.lang.String parameters)
          A convenience method to send the FTP SITE command to the server, receive the reply, and return the reply code.
 int smnt(java.lang.String dir)
          A convenience method to send the FTP SMNT command to the server, receive the reply, and return the reply code.
private  boolean socketIsConnected(java.net.Socket socket)
          Checks if the socket is connected using reflection to be backward compatible.
 int stat()
          A convenience method to send the FTP STAT command to the server, receive the reply, and return the reply code.
 int stat(java.lang.String pathname)
          A convenience method to send the FTP STAT command to the server, receive the reply, and return the reply code.
 int stor(java.lang.String pathname)
          A convenience method to send the FTP STOR command to the server, receive the reply, and return the reply code.
 int stou()
          A convenience method to send the FTP STOU command to the server, receive the reply, and return the reply code.
 int stou(java.lang.String pathname)
          A convenience method to send the FTP STOU command to the server, receive the reply, and return the reply code.
 int stru(int structure)
          A convenience method to send the FTP STRU command to the server, receive the reply, and return the reply code.
 int syst()
          A convenience method to send the FTP SYST command to the server, receive the reply, and return the reply code.
 int type(int fileType)
          A convenience method to send the FTP TYPE command to the server, receive the reply, and return the reply code.
 int type(int fileType, int formatOrByteSize)
          A convenience method to send the FTP TYPE command for text files to the server, receive the reply, and return the reply code.
 int user(java.lang.String username)
          A convenience method to send the FTP USER command to the server, receive the reply, and return the reply code.
 
Methods inherited from class org.apache.commons.net.telnet.TelnetClient
addOptionHandler, deleteOptionHandler, getInputStream, getLocalOptionState, getOutputStream, getReaderThread, getRemoteOptionState, registerNotifHandler, registerSpyStream, sendAYT, setReaderThread, stopSpyStream, unregisterNotifHandler
 
Methods inherited from class org.apache.commons.net.SocketClient
connect, connect, connect, connect, connect, connect, getDefaultPort, getDefaultTimeout, getLocalAddress, getLocalPort, getRemoteAddress, getRemotePort, getSoLinger, getSoTimeout, getTcpNoDelay, isConnected, setDefaultPort, setDefaultTimeout, setSocketFactory, setSoLinger, setSoTimeout, setTcpNoDelay, verifyRemote
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DEFAULT_DATA_PORT

public static final int DEFAULT_DATA_PORT
The default FTP data port (20).

See Also:
Constant Field Values

DEFAULT_PORT

public static final int DEFAULT_PORT
The default FTP control port (21).

See Also:
Constant Field Values

ASCII_FILE_TYPE

public static final int ASCII_FILE_TYPE
A constant used to indicate the file(s) being transfered should be treated as ASCII. This is the default file type. All constants ending in FILE_TYPE are used to indicate file types.

See Also:
Constant Field Values

EBCDIC_FILE_TYPE

public static final int EBCDIC_FILE_TYPE
A constant used to indicate the file(s) being transfered should be treated as EBCDIC. Note however that there are several different EBCDIC formats. All constants ending in FILE_TYPE are used to indicate file types.

See Also:
Constant Field Values

IMAGE_FILE_TYPE

public static final int IMAGE_FILE_TYPE
A constant used to indicate the file(s) being transfered should be treated as a binary image, i.e., no translations should be performed. All constants ending in FILE_TYPE are used to indicate file types.

See Also:
Constant Field Values

BINARY_FILE_TYPE

public static final int BINARY_FILE_TYPE
A constant used to indicate the file(s) being transfered should be treated as a binary image, i.e., no translations should be performed. All constants ending in FILE_TYPE are used to indicate file types.

See Also:
Constant Field Values

LOCAL_FILE_TYPE

public static final int LOCAL_FILE_TYPE
A constant used to indicate the file(s) being transfered should be treated as a local type. All constants ending in FILE_TYPE are used to indicate file types.

See Also:
Constant Field Values

NON_PRINT_TEXT_FORMAT

public static final int NON_PRINT_TEXT_FORMAT
A constant used for text files to indicate a non-print text format. This is the default format. All constants ending in TEXT_FORMAT are used to indicate text formatting for text transfers (both ASCII and EBCDIC).

See Also:
Constant Field Values

TELNET_TEXT_FORMAT

public static final int TELNET_TEXT_FORMAT
A constant used to indicate a text file contains format vertical format control characters. All constants ending in TEXT_FORMAT are used to indicate text formatting for text transfers (both ASCII and EBCDIC).

See Also:
Constant Field Values

CARRIAGE_CONTROL_TEXT_FORMAT

public static final int CARRIAGE_CONTROL_TEXT_FORMAT
A constant used to indicate a text file contains ASA vertical format control characters. All constants ending in TEXT_FORMAT are used to indicate text formatting for text transfers (both ASCII and EBCDIC).

See Also:
Constant Field Values

FILE_STRUCTURE

public static final int FILE_STRUCTURE
A constant used to indicate a file is to be treated as a continuous sequence of bytes. This is the default structure. All constants ending in _STRUCTURE are used to indicate file structure for file transfers.

See Also:
Constant Field Values

RECORD_STRUCTURE

public static final int RECORD_STRUCTURE
A constant used to indicate a file is to be treated as a sequence of records. All constants ending in _STRUCTURE are used to indicate file structure for file transfers.

See Also:
Constant Field Values

PAGE_STRUCTURE

public static final int PAGE_STRUCTURE
A constant used to indicate a file is to be treated as a set of independent indexed pages. All constants ending in _STRUCTURE are used to indicate file structure for file transfers.

See Also:
Constant Field Values

STREAM_TRANSFER_MODE

public static final int STREAM_TRANSFER_MODE
A constant used to indicate a file is to be transfered as a stream of bytes. This is the default transfer mode. All constants ending in TRANSFER_MODE are used to indicate file transfer modes.

See Also:
Constant Field Values

BLOCK_TRANSFER_MODE

public static final int BLOCK_TRANSFER_MODE
A constant used to indicate a file is to be transfered as a series of blocks. All constants ending in TRANSFER_MODE are used to indicate file transfer modes.

See Also:
Constant Field Values

COMPRESSED_TRANSFER_MODE

public static final int COMPRESSED_TRANSFER_MODE
A constant used to indicate a file is to be transfered as FTP compressed data. All constants ending in TRANSFER_MODE are used to indicate file transfer modes.

See Also:
Constant Field Values

DEFAULT_CONTROL_ENCODING

public static final java.lang.String DEFAULT_CONTROL_ENCODING
The default character encoding used for communicating over an FTP control connection. The default encoding is an ASCII-compatible encoding. Some FTP servers expect other encodings. You can change the encoding used by an FTP instance with setControlEncoding 55 .

See Also:
Constant Field Values

__modes

private static final java.lang.String __modes
See Also:
Constant Field Values

__commandBuffer

private java.lang.StringBuffer __commandBuffer

_controlInput

java.io.BufferedReader _controlInput

_controlOutput

java.io.BufferedWriter _controlOutput

_replyCode

int _replyCode

_replyLines

java.util.Vector _replyLines

_newReplyString

boolean _newReplyString

_replyString

java.lang.String _replyString

_controlEncoding

java.lang.String _controlEncoding

_commandSupport_

protected org.apache.commons.net.ProtocolCommandSupport _commandSupport_
A ProtocolCommandSupport object used to manage the registering of ProtocolCommandListeners and te firing of ProtocolCommandEvents.

Constructor Detail

FTP

public FTP()
The default FTP constructor. Sets the default port to DEFAULT_PORT and initializes internal data structures for saving FTP reply information.

Method Detail

__getReply

private void __getReply()
                 throws java.io.IOException

_connectAction_

protected void _connectAction_()
                        throws java.io.IOException
Description copied from class: org.apache.commons.net.telnet.TelnetClient
Handles special connection requirements.

setControlEncoding

public void setControlEncoding(java.lang.String encoding)
Sets the character encoding used by the FTP control connection. Some FTP servers require that commands be issued in a non-ASCII encoding like UTF-8 so that filenames with multi-byte character representations (e.g, Big 8) can be specified.

getControlEncoding

public java.lang.String getControlEncoding()

addProtocolCommandListener

public void addProtocolCommandListener(org.apache.commons.net.ProtocolCommandListener listener)
Adds a ProtocolCommandListener. Delegates this task to _commandSupport_ 55 .

removeProtocolCommandListener

public void removeProtocolCommandListener(org.apache.commons.net.ProtocolCommandListener listener)
Removes a ProtocolCommandListener. Delegates this task to _commandSupport_ 55 .

disconnect

public void disconnect()
                throws java.io.IOException
Closes the control connection to the FTP server and sets to null some internal data so that the memory may be reclaimed by the garbage collector. The reply text and code information from the last command is voided so that the memory it used may be reclaimed.

sendCommand

public int sendCommand(java.lang.String command,
                       java.lang.String args)
                throws java.io.IOException
Sends an FTP command to the server, waits for a reply and returns the numerical response code. After invocation, for more detailed information, the actual reply text can be accessed by calling getReplyString 55 or getReplyStrings 55 .

socketIsConnected

private boolean socketIsConnected(java.net.Socket socket)
Checks if the socket is connected using reflection to be backward compatible. The return value of this method is only meaningful in an java 1.4 environment.

sendCommand

public int sendCommand(int command,
                       java.lang.String args)
                throws java.io.IOException
Sends an FTP command to the server, waits for a reply and returns the numerical response code. After invocation, for more detailed information, the actual reply text can be accessed by calling getReplyString 55 or getReplyStrings 55 .

sendCommand

public int sendCommand(java.lang.String command)
                throws java.io.IOException
Sends an FTP command with no arguments to the server, waits for a reply and returns the numerical response code. After invocation, for more detailed information, the actual reply text can be accessed by calling getReplyString 55 or getReplyStrings 55 .

sendCommand

public int sendCommand(int command)
                throws java.io.IOException
Sends an FTP command with no arguments to the server, waits for a reply and returns the numerical response code. After invocation, for more detailed information, the actual reply text can be accessed by calling getReplyString 55 or getReplyStrings 55 .

getReplyCode

public int getReplyCode()
Returns the integer value of the reply code of the last FTP reply. You will usually only use this method after you connect to the FTP server to check that the connection was successful since connect is of type void.

getReply

public int getReply()
             throws java.io.IOException
Fetches a reply from the FTP server and returns the integer reply code. After calling this method, the actual reply text can be accessed from either calling getReplyString 55 or getReplyStrings 55 . Only use this method if you are implementing your own FTP client or if you need to fetch a secondary response from the FTP server.

getReplyStrings

public java.lang.String[] getReplyStrings()
Returns the lines of text from the last FTP server response as an array of strings, one entry per line. The end of line markers of each are stripped from each line.

getReplyString

public java.lang.String getReplyString()
Returns the entire text of the last FTP server response exactly as it was received, including all end of line markers in NETASCII format.

user

public int user(java.lang.String username)
         throws java.io.IOException
A convenience method to send the FTP USER command to the server, receive the reply, and return the reply code.

pass

public int pass(java.lang.String password)
         throws java.io.IOException
A convenience method to send the FTP PASS command to the server, receive the reply, and return the reply code.

acct

public int acct(java.lang.String account)
         throws java.io.IOException
A convenience method to send the FTP ACCT command to the server, receive the reply, and return the reply code.

abor

public int abor()
         throws java.io.IOException
A convenience method to send the FTP ABOR command to the server, receive the reply, and return the reply code.

cwd

public int cwd(java.lang.String directory)
        throws java.io.IOException
A convenience method to send the FTP CWD command to the server, receive the reply, and return the reply code.

cdup

public int cdup()
         throws java.io.IOException
A convenience method to send the FTP CDUP command to the server, receive the reply, and return the reply code.

quit

public int quit()
         throws java.io.IOException
A convenience method to send the FTP QUIT command to the server, receive the reply, and return the reply code.

rein

public int rein()
         throws java.io.IOException
A convenience method to send the FTP REIN command to the server, receive the reply, and return the reply code.

smnt

public int smnt(java.lang.String dir)
         throws java.io.IOException
A convenience method to send the FTP SMNT command to the server, receive the reply, and return the reply code.

port

public int port(java.net.InetAddress host,
                int port)
         throws java.io.IOException
A convenience method to send the FTP PORT command to the server, receive the reply, and return the reply code.

pasv

public int pasv()
         throws java.io.IOException
A convenience method to send the FTP PASV command to the server, receive the reply, and return the reply code. Remember, it's up to you to interpret the reply string containing the host/port information.

type

public int type(int fileType,
                int formatOrByteSize)
         throws java.io.IOException
A convenience method to send the FTP TYPE command for text files to the server, receive the reply, and return the reply code.

type

public int type(int fileType)
         throws java.io.IOException
A convenience method to send the FTP TYPE command to the server, receive the reply, and return the reply code.

stru

public int stru(int structure)
         throws java.io.IOException
A convenience method to send the FTP STRU command to the server, receive the reply, and return the reply code.

mode

public int mode(int mode)
         throws java.io.IOException
A convenience method to send the FTP MODE command to the server, receive the reply, and return the reply code.

retr

public int retr(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP RETR command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

stor

public int stor(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP STOR command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

stou

public int stou()
         throws java.io.IOException
A convenience method to send the FTP STOU command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

stou

public int stou(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP STOU command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

appe

public int appe(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP APPE command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

allo

public int allo(int bytes)
         throws java.io.IOException
A convenience method to send the FTP ALLO command to the server, receive the reply, and return the reply code.

allo

public int allo(int bytes,
                int recordSize)
         throws java.io.IOException
A convenience method to send the FTP ALLO command to the server, receive the reply, and return the reply code.

rest

public int rest(java.lang.String marker)
         throws java.io.IOException
A convenience method to send the FTP REST command to the server, receive the reply, and return the reply code.

rnfr

public int rnfr(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP RNFR command to the server, receive the reply, and return the reply code.

rnto

public int rnto(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP RNTO command to the server, receive the reply, and return the reply code.

dele

public int dele(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP DELE command to the server, receive the reply, and return the reply code.

rmd

public int rmd(java.lang.String pathname)
        throws java.io.IOException
A convenience method to send the FTP RMD command to the server, receive the reply, and return the reply code.

mkd

public int mkd(java.lang.String pathname)
        throws java.io.IOException
A convenience method to send the FTP MKD command to the server, receive the reply, and return the reply code.

pwd

public int pwd()
        throws java.io.IOException
A convenience method to send the FTP PWD command to the server, receive the reply, and return the reply code.

list

public int list()
         throws java.io.IOException
A convenience method to send the FTP LIST command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

list

public int list(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP LIST command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

nlst

public int nlst()
         throws java.io.IOException
A convenience method to send the FTP NLST command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

nlst

public int nlst(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP NLST command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage the data connection. If you don't need this low level of access, use FTPClient , which will handle all low level details for you.

site

public int site(java.lang.String parameters)
         throws java.io.IOException
A convenience method to send the FTP SITE command to the server, receive the reply, and return the reply code.

syst

public int syst()
         throws java.io.IOException
A convenience method to send the FTP SYST command to the server, receive the reply, and return the reply code.

stat

public int stat()
         throws java.io.IOException
A convenience method to send the FTP STAT command to the server, receive the reply, and return the reply code.

stat

public int stat(java.lang.String pathname)
         throws java.io.IOException
A convenience method to send the FTP STAT command to the server, receive the reply, and return the reply code.

help

public int help()
         throws java.io.IOException
A convenience method to send the FTP HELP command to the server, receive the reply, and return the reply code.

help

public int help(java.lang.String command)
         throws java.io.IOException
A convenience method to send the FTP HELP command to the server, receive the reply, and return the reply code.

noop

public int noop()
         throws java.io.IOException
A convenience method to send the FTP NOOP command to the server, receive the reply, and return the reply code.

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