static void Main(string[] args)
{
string incomingJson;
if (args.Length == 1)
{
// A file name was given as command line argument
incomingJson = System.IO.File.ReadAllText(args[0]);
}
else
{
// We expect json to be passed in over stdin
// The end of the json is marked by an empty line
string s;
StringBuilder jsonBuilder = new StringBuilder();
while ((s = Console.ReadLine()) != null && s != "")
{
jsonBuilder.AppendLine(s);
}
incomingJson = jsonBuilder.ToString();
}
// Decode the JSON
NewPair newPair = JsonConvert.DeserializeObject <NewPair>(incomingJson);
// Call the wrapper method
double result = Add(newPair);
// Encode the result
string outJson = JsonConvert.SerializeObject(new { data = result }, Formatting.Indented);
// ...and write it to stdout
Console.WriteLine(outJson);
}
// If the Adder class is more complicated, you could
// write a separate wrapper class for it.
// Here, we are only wrapping a single method.
static double Add(NewPair newPair)
{
Adder adder = new Adder();
return(adder.Add(newPair.pair));
}
