/// <summary>Returns the adapter instance that will be used.</summary>
/// <param name="fileSystemScheme">The name of the fileSystm scheme being handled.</param>
/// <returns>The adapter instance.</returns>
public async Task <IFileSystemAdapter> GetAdapterAsync(string fileSystemScheme)
{
if (fileSystemScheme == null)
{
throw new ArgumentNullException(nameof(fileSystemScheme));
}
if (_adapterMap.TryGetValue(fileSystemScheme, out var adapter))
{
return(adapter);
}
var scheme = await Schemes.GetSchemeAsync(fileSystemScheme);
if (scheme == null)
{
return(null);
}
adapter = (
ServiceProvider.GetService(scheme.AdapterType)
?? ActivatorUtilities.CreateInstance(ServiceProvider, scheme.AdapterType, Array.Empty <object>()))
as IFileSystemAdapter;
if (adapter != null)
{
await adapter.InitializeAsync(scheme);
_adapterMap[fileSystemScheme] = adapter;
}
return(adapter);
}