1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.net.telnet; 19 20 /*** 21 * Simple option handler that can be used for options 22 * that don't require subnegotiation. 23 * <p> 24 * @author Bruno D'Avanzo 25 ***/ 26 public class SimpleOptionHandler extends TelnetOptionHandler 27 { 28 /*** 29 * Constructor for the SimpleOptionHandler. Allows defining desired 30 * initial setting for local/remote activation of this option and 31 * behaviour in case a local/remote activation request for this 32 * option is received. 33 * <p> 34 * @param optcode - option code. 35 * @param initlocal - if set to true, a WILL is sent upon connection. 36 * @param initremote - if set to true, a DO is sent upon connection. 37 * @param acceptlocal - if set to true, any DO request is accepted. 38 * @param acceptremote - if set to true, any WILL request is accepted. 39 ***/ 40 public SimpleOptionHandler(int optcode, 41 boolean initlocal, 42 boolean initremote, 43 boolean acceptlocal, 44 boolean acceptremote) 45 { 46 super(optcode, initlocal, initremote, 47 acceptlocal, acceptremote); 48 } 49 50 /*** 51 * Constructor for the SimpleOptionHandler. Initial and accept 52 * behaviour flags are set to false 53 * <p> 54 * @param optcode - option code. 55 ***/ 56 public SimpleOptionHandler(int optcode) 57 { 58 super(optcode, false, false, false, false); 59 } 60 61 /*** 62 * Implements the abstract method of TelnetOptionHandler. 63 * <p> 64 * @param suboptionData - the sequence received, whithout IAC SB & IAC SE 65 * @param suboptionLength - the length of data in suboption_data 66 * <p> 67 * @return always null (no response to subnegotiation) 68 ***/ 69 @Override 70 public int[] answerSubnegotiation(int suboptionData[], int suboptionLength) 71 { 72 return null; 73 } 74 75 /*** 76 * Implements the abstract method of TelnetOptionHandler. 77 * <p> 78 * @return always null (no response to subnegotiation) 79 ***/ 80 @Override 81 public int[] startSubnegotiationLocal() 82 { 83 return null; 84 } 85 86 /*** 87 * Implements the abstract method of TelnetOptionHandler. 88 * <p> 89 * @return always null (no response to subnegotiation) 90 ***/ 91 @Override 92 public int[] startSubnegotiationRemote() 93 { 94 return null; 95 } 96 }