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## org.apache.commons.net
Class DefaultSocketFactory

    java.lang.Object
      javax.net.SocketFactory
          org.apache.commons.net.DefaultSocketFactory

    public class DefaultSocketFactory

extends SocketFactory

DefaultSocketFactory implements the SocketFactory interface by simply wrapping the java.net.Socket and java.net.ServerSocket constructors. It is the default SocketFactory used by `SocketClient` implementations.

Author:
  Daniel F. Savarese
See Also:
  `SocketFactory`, `SocketClient`, `SocketClient.setSocketFactory(javax.net.SocketFactory)`

Constructor Summary
`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(InetAddress address, int port)` Creates a Socket connected to the given host 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.
`Socket` | `createSocket(String host, 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.

Methods inherited from class javax.net.SocketFactory
`createSocket, getDefault`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### DefaultSocketFactory

    public DefaultSocketFactory()

Method Detail

### createSocket

    public Socket createSocket(String host,
                               int port)
                        throws UnknownHostException,
                               IOException

  Creates a Socket connected to the given host and port.

  Specified by:
    `createSocket` in class `SocketFactory`
  Parameters:
    `host` - The hostname to connect to.
    `port` - The port to connect to.
  Returns:
    A Socket connected to the given host and port.
  Throws:
    `UnknownHostException` - If the hostname cannot be resolved.
    `IOException` - If an I/O error occurs while creating the Socket.

### createSocket

    public Socket createSocket(InetAddress address,
                               int port)
                        throws IOException

  Creates a Socket connected to the given host and port.

  Specified by:
    `createSocket` in class `SocketFactory`
  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:
    `IOException` - If an I/O error occurs while creating the Socket.

### createSocket

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

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

  Specified by:
    `createSocket` in class `SocketFactory`
  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:
    `UnknownHostException` - If the hostname cannot be resolved.
    `IOException` - If an I/O error occurs while creating the Socket.

### createSocket

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

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

  Specified by:
    `createSocket` in class `SocketFactory`
  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:
    `IOException` - If an I/O error occurs while creating the Socket.

### createServerSocket

    public ServerSocket createServerSocket(int port)
                                    throws IOException

  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:
    `IOException` - If an I/O error occurs while creating the ServerSocket.

### createServerSocket

    public ServerSocket createServerSocket(int port,
                                           int backlog)
                                    throws IOException

  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:
    `IOException` - If an I/O error occurs while creating the ServerSocket.

### createServerSocket

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

  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:
    `IOException` - If an I/O error occurs while creating the ServerSocket.

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