sun.net.ftp
Class FtpClient

java.lang.Object
  sun.net.NetworkClient
      sun.net.TransferProtocolClient
          sun.net.ftp.FtpClient

public class FtpClient
extends TransferProtocolClient

This class implements the FTP client.

Field Summary

static int	FTP_PORT
static String	ftpProxyHost Deprecated.
static int	ftpProxyPort Deprecated.
static boolean	useFtpProxy Deprecated.
String	welcomeMsg Welcome message from the server, if any.

Fields inherited from class sun.net.TransferProtocolClient

serverResponse

Fields inherited from class sun.net.NetworkClient

defaultConnectTimeout, defaultSoTimeout, encoding, serverInput, serverOutput, serverSocket

Constructor Summary

FtpClient()
Create an uninitialized FTP client.

FtpClient(String host)
New FTP client connected to host host.

FtpClient(String host, int port)
New FTP client connected to host host, port port.

Method Summary

void	ascii() Set transfer type to 'A'
void	binary() Set transfer type to 'I'
void	cd(String remoteDirectory) CD to a specific directory on a remote FTP server
void	closeServer() issue the QUIT command to the FTP server and close the connection.
TelnetInputStream	get(String filename) GET a file from the FTP server
static String	getFtpProxyHost()
static int	getFtpProxyPort()
static boolean	getUseFtpProxy()
protected int	issueCommand(String cmd)
protected void	issueCommandCheck(String cmd)
TelnetInputStream	list() LIST files on a remote FTP server
void	login(String user, String password) login user to a host with username user and password password
protected Socket	openDataConnection(String cmd)
void	openServer(String host) open a FTP connection to host host.
void	openServer(String host, int port) open a FTP connection to host host on port port.
TelnetOutputStream	put(String filename) PUT a file to the FTP server
protected int	readReply()

Methods inherited from class sun.net.TransferProtocolClient

getResponseString, getResponseStrings, readServerResponse, sendServer

Methods inherited from class sun.net.NetworkClient

doConnect, getLocalAddress, serverIsOpen

Methods inherited from class java.lang.Object

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

Field Detail

FTP_PORT

public static final int FTP_PORT

See Also:

Constant Field Values

welcomeMsg

public String welcomeMsg

Welcome message from the server, if any.

useFtpProxy

public static boolean useFtpProxy

Deprecated.

ftpProxyHost

public static String ftpProxyHost

Deprecated.

ftpProxyPort

public static int ftpProxyPort

Deprecated.

Constructor Detail

FtpClient

public FtpClient(String host)
          throws IOException

New FTP client connected to host host.

Throws:

IOException

FtpClient

public FtpClient(String host,
                 int port)
          throws IOException

New FTP client connected to host host, port port.

Throws:

IOException

FtpClient

public FtpClient()

Create an uninitialized FTP client.

Method Detail

getUseFtpProxy

public static boolean getUseFtpProxy()

Returns:

if the networking layer should send ftp connections through a proxy

getFtpProxyHost

public static String getFtpProxyHost()

Returns:

the host to use, or null if none has been specified

getFtpProxyPort

public static int getFtpProxyPort()

Returns:

the proxy port to use. Will default reasonably if not set.

closeServer

public void closeServer()
                 throws IOException

issue the QUIT command to the FTP server and close the connection.

Overrides:

closeServer in class NetworkClient

Throws:

IOException

issueCommand

protected int issueCommand(String cmd)
                    throws IOException

Throws:

IOException

issueCommandCheck

protected void issueCommandCheck(String cmd)
                          throws IOException

Throws:

IOException

readReply

protected int readReply()
                 throws IOException

Throws:

IOException

openDataConnection

protected Socket openDataConnection(String cmd)
                             throws IOException

Throws:

IOException

openServer

public void openServer(String host)
                throws IOException

open a FTP connection to host host.

Throws:

IOException

openServer

public void openServer(String host,
                       int port)
                throws IOException

open a FTP connection to host host on port port.

Overrides:

openServer in class NetworkClient

Throws:

IOException

login

public void login(String user,
                  String password)
           throws IOException

login user to a host with username user and password password

Throws:

IOException

get

public TelnetInputStream get(String filename)
                      throws IOException

GET a file from the FTP server

Throws:

IOException

put

public TelnetOutputStream put(String filename)
                       throws IOException

PUT a file to the FTP server

Throws:

IOException

list

public TelnetInputStream list()
                       throws IOException

LIST files on a remote FTP server

Throws:

IOException

cd

public void cd(String remoteDirectory)
        throws IOException

CD to a specific directory on a remote FTP server

Throws:

IOException

binary

public void binary()
            throws IOException

Set transfer type to 'I'

Throws:

IOException

ascii

public void ascii()
           throws IOException

Set transfer type to 'A'

Throws:

IOException