// "Files/table.txt" -data -weightSum -costSum -withIndex -withTotalVolume
public static void Main(string[] args)
{
var argParser = new ArgParser();
argParser.ValidateArgs(args);
var service = GetReportService(args, argParser);
var report = service.CreateReport();
PrintReport(report);
Console.WriteLine("");
Console.WriteLine("Press enter...");
Console.ReadLine();
}
private static IReportService GetReportService(string[] args, ArgParser argParser)
{
// статический фабричный метод
var filename = argParser.ParseName(args);
if (filename.EndsWith(".txt"))
{
return(new TxtReportService(args, argParser));
}
if (filename.EndsWith(".csv"))
{
return(new CsvReportService(args, argParser));
}
if (filename.EndsWith(".xlsx"))
{
return(new XlsxReportService(args, argParser));
}
throw new NotSupportedException("this extension not supported");
}
