private TData LoadingForwarder <TData>(Func <IStringLocalizer, TData> handler)
{
lock (this.syncObject)
{
if (!this.loaded)
{
var completed = false;
lock (PendingAsyncLocalizers)
{
if (this.loadingTask.Status == TaskStatus.RanToCompletion && PendingAsyncLocalizers.ContainsKey(this.stringLocalizerGuid))
{
PendingAsyncLocalizers.Remove(this.stringLocalizerGuid);
completed = true;
}
}
if (completed)
{
var map = this.loadingTask.Result;
if (map != null)
{
this.stringLocalizer = new JsonStringLocalizer(map, this.cultureInfo, this.localizerFactory);
}
this.loaded = true;
}
}
return(handler(this.stringLocalizer));
}
}
/// <summary>
/// Setup the asynchronous StringLocalizer.
/// </summary>
/// <param name="loadingTask">Asynchronous loading task.</param>
/// <param name="cultureInfo">The associated culture info.</param>
/// <param name="localizerFactory">Localizer Internal Factory.</param>
/// <param name="loadingLocalizer">Localizer to use while loading asynchronously.</param>
public JsonStringLocalizerAsync(Task <IReadOnlyDictionary <string, string>?> loadingTask, CultureInfo cultureInfo, IJsonStringLocalizerFactoryInternal localizerFactory, IStringLocalizer loadingLocalizer)
{
this.loadingTask = loadingTask;
this.cultureInfo = cultureInfo;
this.loaded = false;
this.localizerFactory = localizerFactory ?? throw new ArgumentNullException(nameof(localizerFactory));
if (this.loadingTask.Status == TaskStatus.RanToCompletion)
{
var map = this.loadingTask.Result;
if (map != null)
{
this.stringLocalizer = new JsonStringLocalizer(map, this.cultureInfo, this.localizerFactory);
}
else
{
this.stringLocalizer = new NullStringLocalizer(cultureInfo, this.localizerFactory, true);
}
this.loaded = true;
}
else
{
this.stringLocalizer = loadingLocalizer;
lock (PendingAsyncLocalizers)
{
PendingAsyncLocalizers.Add(this.stringLocalizerGuid, this);
}
}
}