/// <summary>
/// Creates a new OlsonDirectoryInfo with the provided directory, to provide information on such directory.
/// </summary>
/// <param name="path"></param>
public OlsonDirectoryInfo(string path)
: base(path)
{
_isValid = false;
if (Exists)
{
ValidOlsonFiles = new BlockingCollection <OlsonFileInfo>();
bool validTabFiles = true;
try
{
IsoFile = new OlsonFileInfo(path + ISO_TAB_NAME);
ZoneFile = new OlsonFileInfo(path + ZONE_TAB_NAME);
}
catch (System.Exception)
{
validTabFiles = false;
}
bool validFiles = false;
var files = GetFiles();
foreach (var file in files)
{
if (_validFiles.Contains(file.Name))
{
validFiles = true;
break;
}
}
_isValid = validTabFiles || validFiles;
}
}
/// <summary>
/// Enumerates and returns all of the valid olson files for this directory.
/// </summary>
/// <exception cref="System.ArgumentNullException">fileName is null.</exception>
/// <exception cref="System.Security.SecurityException">The caller does not have the required permission.</exception>
/// <exception cref="System.ArgumentException">The file name is empty, contains only white spaces, or contains invalid characters.</exception>
/// <exception cref="System.UnauthorizedAccessException">Access to fileName is denied.</exception>
/// <exception cref="System.IO.PathTooLongException">The specified path, file name, or both exceed the system-defined maximum length.
/// For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.</exception>
/// <exception cref="System.NotSupportedException">fileName contains a colon (:) in the middle of the string.</exception>
/// <exception cref="System.IO.FileNotFoundException">The filePath provided does not exist.</exception>
/// <exception cref="NUIClockUpdater.Models.InvaliOlsonFileException">The file provided is not a valid Olson Database file.</exception>
public BlockingCollection <OlsonFileInfo> GetValidOlsonFiles()
{
try
{
string[] paths = null;
paths = Directory.GetFiles(ToString());
foreach (string path in paths)
{
try
{
OlsonFileInfo file = new OlsonFileInfo(path);
if (_validFiles.Contains(file.Name.ToLower()))
{
ValidOlsonFiles.Add(file);
}
}
catch (InvalidOlsonFileException)
{
continue;
}
}
return(ValidOlsonFiles);
}
catch (System.Exception)
{
throw;
}
finally
{
ValidOlsonFiles.CompleteAdding();
}
}