/*
* Copyright 2003-2004 The Apache Software Foundation
*
* Licensed 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.
* <p>
* The user can implement this interface and register a
* TelnetNotificationHandler by using the registerNotificationHandler()
* of TelnetClient to be notified of option negotiation commands.
* <p>
* <p>
* @author Bruno D'Avanzo
***/
public interface TelnetNotificationHandler
{
/***
* The remote party sent a DO command.
***/
public static final int RECEIVED_DO = 1;
/***
* The remote party sent a DONT command.
***/
public static final int RECEIVED_DONT = 2;
/***
* The remote party sent a WILL command.
***/
public static final int RECEIVED_WILL = 3;
/***
* The remote party sent a WONT command.
***/
public static final int RECEIVED_WONT = 4;
/***
* Callback method called when TelnetClient receives an option
* negotiation command.
* <p>
* @param negotiation_code - type of negotiation command received
* (RECEIVED_DO, RECEIVED_DONT, RECEIVED_WILL, RECEIVED_WONT)
* <p>
* @param option_code - code of the option negotiated
* <p>
***/
public void receivedNegotiation(int negotiation_code, int option_code);
}
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