Coverage report

  %line %branch
org.apache.commons.net.telnet.TerminalTypeOptionHandler
94% 
95% 

 1  
 /*
 2  
  * Copyright 2003-2004 The Apache Software Foundation
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *     http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  */
 16  
 package org.apache.commons.net.telnet;
 17  
 
 18  
 /***
 19  
  * Implements the telnet terminal type option RFC 1091.
 20  
  * <p>
 21  
  * @author Bruno D'Avanzo
 22  
  ***/
 23  
 public class TerminalTypeOptionHandler extends TelnetOptionHandler
 24  
 {
 25  
     /***
 26  
      * Terminal type
 27  
      ***/
 28  23
     private String termType = null;
 29  
 
 30  
     /***
 31  
      * Terminal type option
 32  
      ***/
 33  
     protected static final int TERMINAL_TYPE = 24;
 34  
 
 35  
     /***
 36  
      * Send (for subnegotiation)
 37  
      ***/
 38  
     protected static final int TERMINAL_TYPE_SEND =  1;
 39  
 
 40  
     /***
 41  
      * Is (for subnegotiation)
 42  
      ***/
 43  
     protected static final int TERMINAL_TYPE_IS =  0;
 44  
 
 45  
     /***
 46  
      * Constructor for the TerminalTypeOptionHandler. Allows defining desired
 47  
      * initial setting for local/remote activation of this option and
 48  
      * behaviour in case a local/remote activation request for this
 49  
      * option is received.
 50  
      * <p>
 51  
      * @param termtype - terminal type that will be negotiated.
 52  
      * @param initlocal - if set to true, a WILL is sent upon connection.
 53  
      * @param initremote - if set to true, a DO is sent upon connection.
 54  
      * @param acceptlocal - if set to true, any DO request is accepted.
 55  
      * @param acceptremote - if set to true, any WILL request is accepted.
 56  
      ***/
 57  
     public TerminalTypeOptionHandler(String termtype,
 58  
                                 boolean initlocal,
 59  
                                 boolean initremote,
 60  
                                 boolean acceptlocal,
 61  
                                 boolean acceptremote)
 62  
     {
 63  18
         super(TelnetOption.TERMINAL_TYPE, initlocal, initremote,
 64  
                                       acceptlocal, acceptremote);
 65  18
         termType = termtype;
 66  18
     }
 67  
 
 68  
     /***
 69  
      * Constructor for the TerminalTypeOptionHandler. Initial and accept
 70  
      * behaviour flags are set to false
 71  
      * <p>
 72  
      * @param termtype - terminal type that will be negotiated.
 73  
      ***/
 74  
     public TerminalTypeOptionHandler(String termtype)
 75  
     {
 76  5
         super(TelnetOption.TERMINAL_TYPE, false, false, false, false);
 77  5
         termType = termtype;
 78  5
     }
 79  
 
 80  
     /***
 81  
      * Implements the abstract method of TelnetOptionHandler.
 82  
      * <p>
 83  
      * @param suboptionData - the sequence received, whithout IAC SB & IAC SE
 84  
      * @param suboptionLength - the length of data in suboption_data
 85  
      * <p>
 86  
      * @return terminal type information
 87  
      ***/
 88  
     public int[] answerSubnegotiation(class="keyword">int suboptionData[], class="keyword">int suboptionLength)
 89  
     {
 90  3
         if ((suboptionData != null) && (suboptionLength > 1)
 91  
             && (termType != null))
 92  
         {
 93  3
             if ((suboptionData[0] == TERMINAL_TYPE)
 94  
                 && (suboptionData[1] == TERMINAL_TYPE_SEND))
 95  
             {
 96  3
                 int response[] = new class="keyword">int[termType.length() + 2];
 97  
 
 98  3
                 response[0] = TERMINAL_TYPE;
 99  3
                 response[1] = TERMINAL_TYPE_IS;
 100  
 
 101  17
                 for (int ii = 0; ii < termType.length(); ii++)
 102  
                 {
 103  14
                     response[ii + 2] = (int) termType.charAt(ii);
 104  
                 }
 105  
 
 106  3
                 return response;
 107  
             }
 108  
         }
 109  0
         return null;
 110  
     }
 111  
 
 112  
     /***
 113  
      * Implements the abstract method of TelnetOptionHandler.
 114  
      * <p>
 115  
      * @return always null (no response to subnegotiation)
 116  
      ***/
 117  
     public int[] startSubnegotiationLocal()
 118  
     {
 119  3
         return null;
 120  
     }
 121  
 
 122  
     /***
 123  
      * Implements the abstract method of TelnetOptionHandler.
 124  
      * <p>
 125  
      * @return always null (no response to subnegotiation)
 126  
      ***/
 127  
     public int[] startSubnegotiationRemote()
 128  
     {
 129  1
         return null;
 130  
     }
 131  
 }

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