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  /*
   * 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;

Implements the telnet terminal type option RFC 1091.

Author(s):
Bruno D'Avanzo
 
 {
    
Terminal type
 
     private final String termType;

    
Terminal type option
 
     protected static final int TERMINAL_TYPE = 24;

    
Send (for subnegotiation)
 
     protected static final int TERMINAL_TYPE_SEND =  1;

    
Is (for subnegotiation)
 
     protected static final int TERMINAL_TYPE_IS =  0;

    
Constructor for the TerminalTypeOptionHandler. Allows defining desired initial setting for local/remote activation of this option and behaviour in case a local/remote activation request for this option is received.

Parameters:
termtype - terminal type that will be negotiated.
initlocal - if set to true, a WILL is sent upon connection.
initremote - if set to true, a DO is sent upon connection.
acceptlocal - if set to true, any DO request is accepted.
acceptremote - if set to true, any WILL request is accepted.
 
     public TerminalTypeOptionHandler(String termtype,
                                 boolean initlocal,
                                 boolean initremote,
                                 boolean acceptlocal,
                                 boolean acceptremote)
     {
         super(.initlocalinitremote,
                                       acceptlocalacceptremote);
          = termtype;
     }

    
Constructor for the TerminalTypeOptionHandler. Initial and accept behaviour flags are set to false

Parameters:
termtype - terminal type that will be negotiated.
 
     public TerminalTypeOptionHandler(String termtype)
     {
         super(.falsefalsefalsefalse);
          = termtype;
     }

    
Implements the abstract method of TelnetOptionHandler.

Parameters:
suboptionData - the sequence received, whithout IAC SB & IAC SE
suboptionLength - the length of data in suboption_data

Returns:
terminal type information
 
     @Override
     public int[] answerSubnegotiation(int suboptionData[], int suboptionLength)
     {
         if ((suboptionData != null) && (suboptionLength > 1)
             && ( != null))
         {
             if ((suboptionData[0] == )
                 && (suboptionData[1] == ))
             {
                 int response[] = new int[.length() + 2];
                response[0] = ;
                response[1] = ;
                for (int ii = 0; ii < .length(); ii++)
                {
                    response[ii + 2] = .charAt(ii);
                }
                return response;
            }
        }
        return null;
    }

    
Implements the abstract method of TelnetOptionHandler.

Returns:
always null (no response to subnegotiation)
    @Override
    public int[] startSubnegotiationLocal()
    {
        return null;
    }

    
Implements the abstract method of TelnetOptionHandler.

Returns:
always null (no response to subnegotiation)
    @Override
    public int[] startSubnegotiationRemote()
    {
        return null;
    }
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