//none, we won't store any state in this static class
#endregion
#region "constuctors"
//none, let the system build a default
#endregion
// This method validates the string data
// <param "textToCheck">array contains the text strings passed in to be validated </param>
// method is static since this is just a function, it makes no sense to create more than one copy, as
// other objects can all share this this one. Note that it holds no state
public static void Validate(string[] textToCheck)
{
string userName = "";
string zip = "";
//Validate name, at least 4 but not longer than 20 characters
if (textToCheck[0].Length >= 4 && textToCheck[0].Length <= 20)
{
userName = textToCheck[0]; // name is ok
}
else
{
throw new ApplicationException("The name must be at least 4 but not longer than 20 characters");
}
//Validate zip
if (textToCheck[1].Length == 5) // making sure zip code is at least 5 characters, off course we could do better!
{
zip = textToCheck[1]; // zip is ok
}
else // note we can report either or both errors
{
throw new ApplicationException("The zip code must be exactly 5 digits");
}
// use data tier to save data to database (array)
try
{
PermitData.Save(userName, zip); // calls data tier
}
catch (ApplicationException ex)
{
throw new ApplicationException("There was a problem recording data to the database: " + ex.Message);
}
}
// Our 2nd Business tier static method, called by console (UI) to get all data, and it in turn calls the 3rd, data tier
public static string[,] GetPermits(string userKey)
{
if (userKey == "11") // our simple validation
{
// if ok, make a call to our 3rd "data" tier
// note the return from the data tier is the 10x3 matrix of data, so we call the tier, get it, and
// then just pass it right back to the UI (console) tier
return(PermitData.GetApplications());
}
else
{
throw new ApplicationException("Invalid Password");
}
}
