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org.apache.commons.net.telnet.SimpleOptionHandler |
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1 | /* |
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2 | * Copyright 2003-2004 The Apache Software Foundation |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package org.apache.commons.net.telnet; |
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17 | ||
18 | /*** |
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19 | * Simple option handler that can be used for options |
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20 | * that don't require subnegotiation. |
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21 | * <p> |
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22 | * @author Bruno D'Avanzo |
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23 | ***/ |
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24 | public class SimpleOptionHandler extends TelnetOptionHandler |
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25 | { |
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26 | /*** |
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27 | * Constructor for the SimpleOptionHandler. Allows defining desired |
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28 | * initial setting for local/remote activation of this option and |
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29 | * behaviour in case a local/remote activation request for this |
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30 | * option is received. |
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31 | * <p> |
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32 | * @param optcode - option code. |
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33 | * @param initlocal - if set to true, a WILL is sent upon connection. |
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34 | * @param initremote - if set to true, a DO is sent upon connection. |
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35 | * @param acceptlocal - if set to true, any DO request is accepted. |
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36 | * @param acceptremote - if set to true, any WILL request is accepted. |
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37 | ***/ |
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38 | public SimpleOptionHandler(int optcode, |
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39 | boolean initlocal, |
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40 | boolean initremote, |
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41 | boolean acceptlocal, |
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42 | boolean acceptremote) |
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43 | { |
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44 | 10 | super(optcode, initlocal, initremote, |
45 | acceptlocal, acceptremote); |
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46 | 10 | } |
47 | ||
48 | /*** |
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49 | * Constructor for the SimpleOptionHandler. Initial and accept |
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50 | * behaviour flags are set to false |
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51 | * <p> |
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52 | * @param optcode - option code. |
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53 | ***/ |
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54 | public SimpleOptionHandler(int optcode) |
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55 | { |
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56 | 6 | super(optcode, false, false, false, false); |
57 | 6 | } |
58 | ||
59 | /*** |
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60 | * Implements the abstract method of TelnetOptionHandler. |
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61 | * <p> |
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62 | * @param suboptionData - the sequence received, whithout IAC SB & IAC SE |
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63 | * @param suboptionLength - the length of data in suboption_data |
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64 | * <p> |
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65 | * @return always null (no response to subnegotiation) |
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66 | ***/ |
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67 | public int[] answerSubnegotiation(class="keyword">int suboptionData[], class="keyword">int suboptionLength) |
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68 | { |
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69 | 1 | return null; |
70 | } |
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71 | ||
72 | /*** |
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73 | * Implements the abstract method of TelnetOptionHandler. |
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74 | * <p> |
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75 | * @return always null (no response to subnegotiation) |
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76 | ***/ |
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77 | public int[] startSubnegotiationLocal() |
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78 | { |
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79 | 1 | return null; |
80 | } |
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81 | ||
82 | /*** |
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83 | * Implements the abstract method of TelnetOptionHandler. |
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84 | * <p> |
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85 | * @return always null (no response to subnegotiation) |
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86 | ***/ |
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87 | public int[] startSubnegotiationRemote() |
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88 | { |
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89 | 1 | return null; |
90 | } |
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91 | } |
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