public static FactoryBase GetFactory(string shapeName)
{
FactoryBase factory;
switch (shapeName)
{
case "Square":
factory = new SquareFactory();
break;
case "Triangle":
factory = new TriangleFactory();
break;
default:
factory = null;
break;
}
return(factory);
}
static void Main(string[] args)
{
IPolygonFactory factory;
var shape = Console.ReadLine();
switch (shape)
{
case "Rectangle":
factory = new RectangleFactory();
break;
case "Triangle":
factory = new TriangleFactory();
break;
default:
throw new NotImplementedException();
}
var button = factory.CreatePolygon();
button.DrawPolygon();
}