public static TelnetCommand Factory(InputByteArray InputArray, CommandCode CmdCode)
{
TelnetCommand telnetCmd = null;
TelnetSubject?subject = null;
if (InputArray.RemainingLength > 2)
{
subject = InputArray.PeekTelnetSubject(2);
}
if (CmdCode == CommandCode.SE)
{
telnetCmd = new EndSubNegCommand(InputArray);
}
else if (CmdCode == CommandCode.EOR)
{
telnetCmd = new EOR_Command(InputArray);
}
else if (subject == null)
{
telnetCmd = new TelnetCommand(InputArray, CmdCode);
}
else if (subject.Value == TelnetSubject.NewEnviron)
{
telnetCmd = new NewEnvironCommand(InputArray, CmdCode);
}
else if (subject.Value == TelnetSubject.TerminalType)
{
telnetCmd = new TerminalTypeCommand(InputArray, CmdCode);
}
else if (subject.Value == TelnetSubject.END_OF_RECORD)
{
telnetCmd = new EndOfRecordStatement(InputArray, CmdCode);
}
else if (subject.Value == TelnetSubject.TRANSMIT_BINARY)
{
telnetCmd = new TransmitBinaryCommand(InputArray, CmdCode);
}
else if (subject.Value == TelnetSubject.NAWS)
{
telnetCmd = new NawsStatement(InputArray, CmdCode);
}
else if (subject.Value == TelnetSubject.ECHO)
{
throw new Exception("echo subject of " + CmdCode.ToString() + " command.");
}
else
{
throw new Exception("Unexpect telnet command");
}
return(telnetCmd);
}