/// <summary>
/// Creates <see cref="IHierarchyItemAsync"/> instance by path.
/// </summary>
/// <param name="path">Item relative path including query string.</param>
/// <returns>Instance of corresponding <see cref="IHierarchyItemAsync"/> or null if item is not found.</returns>
public override async Task <IHierarchyItemAsync> GetHierarchyItemAsync(string path)
{
path = path.Trim(new[] { ' ', '/' });
//remove query string.
int ind = path.IndexOf('?');
if (ind > -1)
{
path = path.Remove(ind);
}
if (!await DataLakeStoreService.ExistsAsync(path))
{
Logger.LogDebug("Could not find item that corresponds to path: " + path);
return(null); // no hierarchy item that corresponds to path parameter was found in the repository
}
IHierarchyItemAsync item;
if (await DataLakeStoreService.IsDirectoryAsync(path))
{
item = await DavFolder.GetFolderAsync(this, path);
}
else
{
item = await DavFile.GetFileAsync(this, path);
}
return(item);
}
/// <summary>
/// Creates <see cref="IHierarchyItemAsync"/> instance by path.
/// </summary>
/// <param name="path">Item relative path including query string.</param>
/// <returns>Instance of corresponding <see cref="IHierarchyItemAsync"/> or null if item is not found.</returns>
public override async Task <IHierarchyItemAsync> GetHierarchyItemAsync(string path)
{
path = path.Trim(new[] { ' ', '/' });
//remove query string.
int ind = path.IndexOf('?');
if (ind > -1)
{
path = path.Remove(ind);
}
try
{
if (!await DataLakeStoreService.ExistsAsync(path))
{
Logger.LogDebug("Could not find item that corresponds to path: " + path);
return(null); // no hierarchy item that corresponds to path parameter was found in the repository
}
}
catch (RequestFailedException ex)
{
// token is not valid or access is denied
if (ex.Status == 401)
{
await HttpContext.SignOutAsync();
return(null);
}
else
{
throw ex;
}
}
IHierarchyItemAsync item;
if (await DataLakeStoreService.IsDirectoryAsync(path))
{
item = await DavFolder.GetFolderAsync(this, path);
}
else
{
item = await DavFile.GetFileAsync(this, path);
}
return(item);
}