| /* |
| * 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. |
| * <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. |
| */ |
| int RECEIVED_DO = 1; |
| |
| /** |
| * The remote party sent a DONT command. |
| */ |
| int RECEIVED_DONT = 2; |
| |
| /** |
| * The remote party sent a WILL command. |
| */ |
| int RECEIVED_WILL = 3; |
| |
| /** |
| * The remote party sent a WONT command. |
| */ |
| int RECEIVED_WONT = 4; |
| |
| /** |
| * The remote party sent a COMMAND. |
| * @since 2.2 |
| */ |
| int RECEIVED_COMMAND = 5; |
| |
| /** |
| * 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). |
| */ |
| void receivedNegotiation(int negotiation_code, int option_code); |
| } |