http://commons.apache.org/proper/commons-net/: Apache Commons Net library contains a collection of network utilities and protocol implementations. Supported protocols include: Echo, Finger, FTP, NNTP, NTP, POP3(S), SMTP(S), Telnet, Whois (The Apache Software Foundation)
  • Henrik Sorensen
  • Jeff Nadler
  • William Noto
  • Stephane ESTE-GRACIAS
  • Dan Armbrust
  • Yuval Kashtan
  • Joseph Hindsley
  • Rob Hasselbaum
  • Mario Ivankovits
  • Naz Irizarry (MITRE Corp)
  • Tapan Karecha
  • Jason Mathews (MITRE Corp)
  • Winston Ojeda (Quad/Graphics, Inc.)
  • Ted Wise
  • Bogdan Drozdowski
  • Jeffrey D. Brekke (Quad/Graphics, Inc.)
  • Steve Cohen (javactivity.org)
  • Bruno D'Avanzo (Hewlett-Packard)
  • Daniel F. Savarese (<a href="http://www.savarese.com/">Savarese Software Research</a>)
  • Rory Winston ()
  • Rory Winston () 
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.net.telnet;


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.

/***
 * The TelnetNotificationHandler interface can be used to handle
 * notification of options negotiation commands received on a telnet
 * session.
 * <p>
 * The user can implement this interface and register a
 * TelnetNotificationHandler by using the registerNotificationHandler()
 * of TelnetClient to be notified of option negotiation commands.
 ***/

public interface TelnetNotificationHandler
{
    
The remote party sent a DO command.

/***
     * The remote party sent a DO command.
     ***/
    public static final int RECEIVED_DO =   1;

    
The remote party sent a DONT command.

/***
     * The remote party sent a DONT command.
     ***/
    public static final int RECEIVED_DONT = 2;

    
The remote party sent a WILL command.

/***
     * The remote party sent a WILL command.
     ***/
    public static final int RECEIVED_WILL = 3;

    
The remote party sent a WONT command.

/***
     * The remote party sent a WONT command.
     ***/
    public static final int RECEIVED_WONT = 4;

    
The remote party sent a COMMAND.

Since:2.2
/***
     * The remote party sent a COMMAND.
     * @since 2.2
     ***/
    public static final int RECEIVED_COMMAND = 5;

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

Params:
  • 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).
/***
     * Callback method called when TelnetClient receives an
     * command or option negotiation command
     *
     * @param negotiation_code - type of (negotiation) command received
     * (RECEIVED_DO, RECEIVED_DONT, RECEIVED_WILL, RECEIVED_WONT, RECEIVED_COMMAND)
     *
     * @param option_code - code of the option negotiated, or the command code itself (e.g. NOP).
     ***/
    public void receivedNegotiation(int negotiation_code, int option_code);
}