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diff --git a/org/apache/commons/net/telnet/TelnetCommand.java b/org/apache/commons/net/telnet/TelnetCommand.java
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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.
+ * @author Daniel F. Savarese
+ * @see org.apache.commons.net.telnet.Telnet
+ * @see org.apache.commons.net.telnet.TelnetClient
+ */
+
+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 = IAC;
+    private static final int __LAST_COMMAND = EOF;
+
+    /***
+     * Returns the string representation of the telnet protocol command
+     * corresponding to the given command code.
+     * <p>
+     * @param code The command code of the telnet protocol command.
+     * @return The string representation of the telnet protocol command.
+     ***/
+    public static final String getCommand(int code)
+    {
+        return __commandString[__FIRST_COMMAND - code];
+    }
+
+    /***
+     * Determines if a given command code is valid.  Returns true if valid,
+     * false if not.
+     * <p>
+     * @param code  The command code to test.
+     * @return True if the command code is valid, false if not.
+     **/
+    public static final boolean isValidCommand(int code)
+    {
+        return (code <= __FIRST_COMMAND && code >= __LAST_COMMAND);
+    }
+
+    // Cannot be instantiated
+    private TelnetCommand()
+    { }
+}