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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;

The TelnetCommand class cannot be instantiated and only serves as a storehouse for telnet command constants.

 
 
 public final class TelnetCommand
 {
    
The maximum value a command code can have. This value is 255. *
 
     public static final int MAX_COMMAND_VALUE = 255;

    
Interpret As Command code. Value is 255 according to RFC 854. *
 
     public static final int IAC = 255;

    
Don't use option code. Value is 254 according to RFC 854. *
 
     public static final int DONT = 254;

    
Request to use option code. Value is 253 according to RFC 854. *
 
     public static final int DO = 253;

    
Refuse to use option code. Value is 252 according to RFC 854. *
 
     public static final int WONT = 252;

    
Agree to use option code. Value is 251 according to RFC 854. *
 
     public static final int WILL = 251;

    
Start subnegotiation code. Value is 250 according to RFC 854. *
 
     public static final int SB = 250;

    
Go Ahead code. Value is 249 according to RFC 854. *
 
     public static final int GA = 249;

    
Erase Line code. Value is 248 according to RFC 854. *
 
     public static final int EL = 248;

    
Erase Character code. Value is 247 according to RFC 854. *
 
     public static final int EC = 247;

    
Are You There code. Value is 246 according to RFC 854. *
 
     public static final int AYT = 246;

    
Abort Output code. Value is 245 according to RFC 854. *
 
     public static final int AO = 245;

    
Interrupt Process code. Value is 244 according to RFC 854. *
 
     public static final int IP = 244;

    
Break code. Value is 243 according to RFC 854. *
 
     public static final int BREAK = 243;

    
Data mark code. Value is 242 according to RFC 854. *
 
     public static final int DM = 242;

    
No Operation code. Value is 241 according to RFC 854. *
 
     public static final int NOP = 241;

    
End subnegotiation code. Value is 240 according to RFC 854. *
 
     public static final int SE = 240;

    
End of record code. Value is 239. *
 
     public static final int EOR = 239;

    
Abort code. Value is 238. *
 
     public static final int ABORT = 238;

    
Suspend process code. Value is 237. *
 
     public static final int SUSP = 237;

    
End of file code. Value is 236. *
 
     public static final int EOF = 236;

    
Synchronize code. Value is 242. *
 
     public static final int SYNCH = 242;

    
String representations of commands. *
 
     private static final String __commandString[] = {
                 "IAC""DONT""DO""WONT""WILL""SB""GA""EL""EC""AYT",
                 "AO""IP""BRK""DMARK""NOP""SE""EOR""ABORT""SUSP""EOF"
             };
    private static final int __FIRST_COMMAND = ;
    private static final int __LAST_COMMAND = ;

    
Returns the string representation of the telnet protocol command corresponding to the given command code.

Parameters:
code The command code of the telnet protocol command.
Returns:
The string representation of the telnet protocol command.
    public static final String getCommand(int code)
    {
        return [ - code];
    }

    
Determines if a given command code is valid. Returns true if valid, false if not.

Parameters:
code The command code to test.
Returns:
True if the command code is valid, false if not.
    public static final boolean isValidCommand(int code)
    {
        return (code <=  && code >= );
    }
    // Cannot be instantiated
    private TelnetCommand()
    { }
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