org.apache.commons.net.telnet
Class EchoOptionHandler

java.lang.Object
  org.apache.commons.net.telnet.TelnetOptionHandler
      org.apache.commons.net.telnet.EchoOptionHandler

public class EchoOptionHandler
extends TelnetOptionHandler

Implements the telnet echo option RFC 857.

Author:

Bruno D'Avanzo

Constructor Summary

EchoOptionHandler()
Constructor for the EchoOptionHandler.

EchoOptionHandler(boolean initlocal, boolean initremote, boolean acceptlocal, boolean acceptremote)
Constructor for the EchoOptionHandler.

Method Summary

int[]	answerSubnegotiation(int[] suboptionData, int suboptionLength) Implements the abstract method of TelnetOptionHandler.
int[]	startSubnegotiationLocal() Implements the abstract method of TelnetOptionHandler.
int[]	startSubnegotiationRemote() Implements the abstract method of TelnetOptionHandler.

Methods inherited from class org.apache.commons.net.telnet.TelnetOptionHandler

getAcceptLocal, getAcceptRemote, getInitLocal, getInitRemote, getOptionCode, setAcceptLocal, setAcceptRemote, setInitLocal, setInitRemote

Methods inherited from class java.lang.Object

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

Constructor Detail

EchoOptionHandler

public EchoOptionHandler(boolean initlocal,
                         boolean initremote,
                         boolean acceptlocal,
                         boolean acceptremote)

Constructor for the EchoOptionHandler. Allows defining desired initial setting for local/remote activation of this option and behaviour in case a local/remote activation request for this option is received.

Parameters:

initlocal - - if set to true, a WILL is sent upon connection.

initremote - - if set to true, a DO is sent upon connection.

acceptlocal - - if set to true, any DO request is accepted.

acceptremote - - if set to true, any WILL request is accepted.

EchoOptionHandler

public EchoOptionHandler()

Constructor for the EchoOptionHandler. Initial and accept behaviour flags are set to false

Method Detail

answerSubnegotiation

public int[] answerSubnegotiation(int[] suboptionData,
                                  int suboptionLength)

Implements the abstract method of TelnetOptionHandler.

Specified by:

answerSubnegotiation in class TelnetOptionHandler

Parameters:

suboptionData - - the sequence received, whithout IAC SB & IAC SE

suboptionLength - - the length of data in suboption_data

Returns:

always null (no response to subnegotiation)

startSubnegotiationLocal

public int[] startSubnegotiationLocal()

Implements the abstract method of TelnetOptionHandler.

Specified by:

startSubnegotiationLocal in class TelnetOptionHandler

Returns:

always null (no response to subnegotiation)

startSubnegotiationRemote

public int[] startSubnegotiationRemote()

Implements the abstract method of TelnetOptionHandler.

Specified by:

startSubnegotiationRemote in class TelnetOptionHandler

Returns:

always null (no response to subnegotiation)