public static NumberInputter getInstance()
{
if (instance == null)
{
instance = new NumberInputter();
}
return(instance);
}
static void Main(string[] args)
{
try
{
NumberInputter inputter = NumberInputter.getInstance();
int firstNumber = 0, secondNumber = 0;
string readAttr = ConfigurationManager.AppSettings.Get("Read");
switch (readAttr)
{
case "file":
FileWorker fileWorker = FileWorker.getInstance(args[0]);
inputter.GetFileLine(fileWorker);
firstNumber = inputter.IntValue;
inputter.GetFileLine(fileWorker);
secondNumber = inputter.IntValue;
break;
case "console":
inputter.GetConsoleLine();
firstNumber = inputter.IntValue;
inputter.GetConsoleLine();
secondNumber = inputter.IntValue;
break;
default:
Console.WriteLine("Reading mode isn't determined");
break;
}
string calcAttr = ConfigurationManager.AppSettings.Get("Calculate");
switch (calcAttr)
{
case "method":
Program prog = new Program();
prog.Sum(firstNumber, secondNumber);
break;
case "library":
SimpleCalculator calculator = new SimpleCalculator(firstNumber, secondNumber);
calculator.DemonstrateAll();
break;
default:
Console.WriteLine("Calculate mode isn't determined");
break;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}