com.myjavaworld.ftp
Class SSLDataConnection

java.lang.Object
  com.myjavaworld.ftp.DataConnection
      com.myjavaworld.ftp.SSLDataConnection

All Implemented Interfaces:

FTPConstants

public class SSLDataConnection
extends DataConnection

A DataConnection object is used to transfer data over the data connection in an FTP process. FTPClient object will initiate a DataConnection based on the commands the send to the remote host. For more details about data connection, refer to the FTP protocol specification (RFC 959).

Field Summary

Fields inherited from class com.myjavaworld.ftp.DataConnection

abort, client, in, listenerList, out, server, socket

Fields inherited from interface com.myjavaworld.ftp.FTPConstants

DEFAULT_BUFFER_SIZE, DEFAULT_IMPLICIT_SSL_PORT, DEFAULT_MODE, DEFAULT_PORT, DEFAULT_STRUCTURE, DEFAULT_TIMEOUT, DEFAULT_TYPE, EOL, MODE_BLOCK, MODE_COMPRESSED, MODE_STREAM, STRUCTURE_FILE, STRUCTURE_PAGE, STRUCTURE_RECORD, TYPE_ASCII, TYPE_BINARY, TYPE_EBCDIC, TYPE_IMAGE, TYPE_LOCAL, USE_EXPLICIT_SSL, USE_IMPLICIT_SSL, USE_NO_SSL, USE_SSL_IF_AVAILABLE

Constructor Summary

SSLDataConnection(FTPClient client)
Constructs a DataConnection object.

Method Summary

void	accept() Listenes for connections.
int	bind() Binds a server socket on the local host on a free port.
void	connect(InetAddress address, int port) Connects to the specified InetAddress to the specified port number.
void	connect(String ipAddress, int port) Connects to the specified IP address to the specified port number.

Methods inherited from class com.myjavaworld.ftp.DataConnection

abort, close, download, fireDataTransferAborted, fireDataTransferFinished, fireDataTransferProgress, fireDataTransferStarted, isAborted, list, stdout, upload

Methods inherited from class java.lang.Object

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

Constructor Detail

SSLDataConnection

public SSLDataConnection(FTPClient client)

Constructs a DataConnection object.

Parameters:

client - FTPClient that created this data connection.

Method Detail

bind

public int bind()
         throws ConnectionException

Binds a server socket on the local host on a free port. This server socket is used for transmitting data in active mode.

Overrides:

bind in class DataConnection

Returns:

the port number to which this server is bound to.

Throws:

ConnectionException - If could not bind a server.

accept

public void accept()
            throws ConnectionException

Listenes for connections. This method blocks until a connection is made or a timeout occurs.

Overrides:

accept in class DataConnection

Throws:

ConnectionException - If a network or IO error occurs.

connect

public void connect(String ipAddress,
                    int port)
             throws ConnectionException

Connects to the specified IP address to the specified port number. This method is called by the FTPClients if they prefer to transfer data in passive mode.

Overrides:

connect in class DataConnection

Parameters:

ipAddress - IP address of the remote host in xxx.xxx.xxx.xxx format.

port - Port number to connect to.

Throws:

ConnectionException - if a network or IO error occurs.

connect

public void connect(InetAddress address,
                    int port)
             throws ConnectionException

Connects to the specified InetAddress to the specified port number. This method is called by the FTPClients if they prefer to transfer data in passive mode.

Overrides:

connect in class DataConnection

Parameters:

address - Ineternet address of the remote host.

port - Port number to connect to.

Throws:

ConnectionException - if a network or IO error occurs.