public static void ValidateFile(string file)
{
if (!File.Exists(file))
{
throw new Exception(string.Concat("Bar data file '", file, "' does not exist!"));
}
else
{
BinaryNavigator binaryNavigator = null;
try
{
binaryNavigator = new BinaryNavigator(file, binaryFields);
}
catch (Exception ex)
{
throw new Exception(string.Concat("Error reading data file '", file, "'!'"), ex);
}
object[] record = binaryNavigator.Read();
//time must be valid
try
{
DateTime time = new DateTime((long)record[0]);
}
catch (Exception ex)
{
throw new Exception(string.Concat("Invalid time format of data file '", file, "'!'"), ex);
}
finally
{
binaryNavigator.Close();
}
binaryNavigator.Close();
//prices must not be less than or equal to zero
//open and closing prices must be anywhere between high and low prices
if ((double)record[1] <= 0 || (double)record[2] <= 0 || (double)record[3] <= 0 || (double)record[4] <= 0 ||
(double)record[1] > (double)record[3] || (double)record[1] < (double)record[4] ||
(double)record[2] > (double)record[3] || (double)record[2] < (double)record[4])
{
throw new Exception(string.Concat("Invalid price format of data file '", file, "'!'"));
}
}
}
