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## org.apache.commons.net.telnet
Interface TelnetNotificationHandler

    public interface TelnetNotificationHandler

The TelnetNotificationHandler interface can be used to handle notification of options negotiation commands received on a telnet session.

The user can implement this interface and register a TelnetNotificationHandler by using the registerNotificationHandler() of TelnetClient to be notified of option negotiation commands.

Author:
  Bruno D'Avanzo

Field Summary
`static int` | `RECEIVED_COMMAND` The remote party sent a COMMAND.
`static int` | `RECEIVED_DO` The remote party sent a DO command.
`static int` | `RECEIVED_DONT` The remote party sent a DONT command.
`static int` | `RECEIVED_WILL` The remote party sent a WILL command.
`static int` | `RECEIVED_WONT` The remote party sent a WONT command.

Method Summary
`void` | `receivedNegotiation(int negotiation_code, int option_code)` Callback method called when TelnetClient receives an command or option negotiation command

Field Detail

### RECEIVED_DO

    static final int RECEIVED_DO

  The remote party sent a DO command.

  See Also:
    Constant Field Values

### RECEIVED_DONT

    static final int RECEIVED_DONT

  The remote party sent a DONT command.

  See Also:
    Constant Field Values

### RECEIVED_WILL

    static final int RECEIVED_WILL

  The remote party sent a WILL command.

  See Also:
    Constant Field Values

### RECEIVED_WONT

    static final int RECEIVED_WONT

  The remote party sent a WONT command.

  See Also:
    Constant Field Values

### RECEIVED_COMMAND

    static final int RECEIVED_COMMAND

  The remote party sent a COMMAND.

  Since:
    2.2
  See Also:
    Constant Field Values

Method Detail

### receivedNegotiation

    void receivedNegotiation(int negotiation_code,
                             int option_code)

  Callback method called when TelnetClient receives an command or option negotiation command

  Parameters:
    `negotiation_code` - - type of (negotiation) command received (RECEIVED_DO, RECEIVED_DONT, RECEIVED_WILL, RECEIVED_WONT, RECEIVED_COMMAND)

    `option_code` - - code of the option negotiated, or the command code itself (e.g. NOP).

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