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org.apache.commons.net

Interface SocketFactory

public interface SocketFactory

The SocketFactory interface provides a means for the programmer to control the creation of sockets and provide his own Socket implementations for use by all classes derived from SocketClient . This allows you to provide your own Socket implementations and to perform security checks or browser capability requests before creating a Socket.

Author:
Daniel F. Savarese
See Also:
DefaultSocketFactory

Method Summary

ServerSocket

createServerSocket(int port)

Creates a ServerSocket bound to a specified port.

ServerSocket

createServerSocket(int port, int backlog)

Creates a ServerSocket bound to a specified port with a given maximum queue length for incoming connections.

ServerSocket

createServerSocket(int port, int backlog, InetAddress bindAddr)

Creates a ServerSocket bound to a specified port on a given local address with a given maximum queue length for incoming connections.

Socket

createSocket(String host, int port)

Creates a Socket connected to the given host and port.

Socket

createSocket(InetAddress address, int port)

Creates a Socket connected to the given host and port.

Socket

createSocket(String host, int port, InetAddress localAddr, int localPort)

Creates a Socket connected to the given host and port and originating from the specified local address and port.

Socket

createSocket(InetAddress address, int port, InetAddress localAddr, int localPort)

Creates a Socket connected to the given host and port and originating from the specified local address and port.

Method Details

createServerSocket

public ServerSocket createServerSocket(int port)

Creates a ServerSocket bound to a specified port. A port of 0 will create the ServerSocket on a system-determined free port.

Parameters:
port - The port on which to listen, or 0 to use any free port.
Returns:
A ServerSocket that will listen on a specified port.
Throws:
- If an I/O error occurs while creating the ServerSocket.

createServerSocket

public ServerSocket createServerSocket(int port, int backlog)

Creates a ServerSocket bound to a specified port with a given maximum queue length for incoming connections. A port of 0 will create the ServerSocket on a system-determined free port.

Parameters:
port - The port on which to listen, or 0 to use any free port.
backlog - The maximum length of the queue for incoming connections.
Returns:
A ServerSocket that will listen on a specified port.
Throws:
- If an I/O error occurs while creating the ServerSocket.

createServerSocket

public ServerSocket createServerSocket(int port, int backlog, InetAddress bindAddr)

Creates a ServerSocket bound to a specified port on a given local address with a given maximum queue length for incoming connections. A port of 0 will create the ServerSocket on a system-determined free port.

Parameters:
port - The port on which to listen, or 0 to use any free port.
backlog - The maximum length of the queue for incoming connections.
bindAddr - The local address to which the ServerSocket should bind.
Returns:
A ServerSocket that will listen on a specified port.
Throws:
- If an I/O error occurs while creating the ServerSocket.

createSocket

public Socket createSocket(InetAddress address, int port)

Creates a Socket connected to the given host and port.

Parameters:
address - The address of the host to connect to.
port - The port to connect to.
Returns:
A Socket connected to the given host and port.
Throws:
- If an I/O error occurs while creating the Socket.

createSocket

public Socket createSocket(InetAddress address, int port, InetAddress localAddr, int localPort)

Creates a Socket connected to the given host and port and originating from the specified local address and port.

Parameters:
address - The address of the host to connect to.
port - The port to connect to.
localAddr - The local address to use.
localPort - The local port to use.
Returns:
A Socket connected to the given host and port.
Throws:
- If an I/O error occurs while creating the Socket.

createSocket

public Socket createSocket(String host, int port)

Creates a Socket connected to the given host and port.

Parameters:
host - The hostname to connect to.
port - The port to connect to.
Returns:
A Socket connected to the given host and port.
Throws:
- If the hostname cannot be resolved.
- If an I/O error occurs while creating the Socket.

createSocket

public Socket createSocket(String host, int port, InetAddress localAddr, int localPort)

Creates a Socket connected to the given host and port and originating from the specified local address and port.

Parameters:
host - The hostname to connect to.
port - The port to connect to.
localAddr - The local address to use.
localPort - The local port to use.
Returns:
A Socket connected to the given host and port.
Throws:
- If the hostname cannot be resolved.
- If an I/O error occurs while creating the Socket.
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