/// <summary>
/// Initialize a new instance of the TerrestrialProvider class.
/// </summary>
/// <param name="name"></param>
public TerrestrialProvider(string name)
: base(name)
{
if (!name.Contains("."))
{
country = new Country(name, null);
area = null;
return;
}
string[] parts = name.Split(new char[] { '.' });
country = new Country(parts[0], null);
area = new Area(parts[1], 0);
}
/// <summary>
/// Load the country collection from the configuration file.
/// </summary>
public static Collection<Country> Load()
{
Collection<Country> countries = new Collection<Country>();
Country country = null;
XmlReader reader = null;
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
try
{
reader = XmlReader.Create(Path.Combine(RunParameters.ConfigDirectory, "Countries.cfg"), settings);
}
catch (IOException)
{
Logger.Instance.Write("Failed to open " + Path.Combine(RunParameters.ConfigDirectory, "Countries.cfg"));
return(countries);
}
try
{
while (!reader.EOF)
{
reader.Read();
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "Country":
if (country != null)
addCountry(country, countries);
country = new Country(reader.GetAttribute("name"), reader.GetAttribute("code"));
break;
default:
if (country != null)
country.load(reader);
break;
}
}
}
if (country != null)
addCountry(country, countries);
}
catch (XmlException e)
{
Logger.Instance.Write("Failed to load file " + Path.Combine(RunParameters.ConfigDirectory, "Countries.cfg"));
Logger.Instance.Write("Data exception: " + e.Message);
}
catch (IOException e)
{
Logger.Instance.Write("Failed to load file " + Path.Combine(RunParameters.ConfigDirectory, "Countries.cfg"));
Logger.Instance.Write("I/O exception: " + e.Message);
}
if (reader != null)
reader.Close();
return (countries);
}
/// <summary>
/// Add a country to a collection.
/// </summary>
/// <param name="newCountry">The country to be added.</param>
/// <param name="countries">The collection of countries to be added to.</param>
public static void addCountry(Country newCountry, Collection<Country> countries)
{
if (countries.Count == 0)
{
Country undefinedCountry = new Country("-- Undefined --", "");
Area undefinedArea = new Area("-- Undefined --", 0);
undefinedArea.Regions.Add(new Region("-- Undefined --", 0));
undefinedCountry.Areas.Add(undefinedArea);
countries.Add(undefinedCountry);
}
foreach (Country oldCountry in countries)
{
if (oldCountry.Code == newCountry.Code)
return;
if (oldCountry.Code.CompareTo(newCountry.Code) > 0)
{
countries.Insert(countries.IndexOf(oldCountry), newCountry);
return;
}
}
countries.Add(newCountry);
}
