public override async Task Invoke(IOwinContext context)
{
var requestCulture = Options.DefaultRequestCulture;
IRequestCultureProvider winningProvider = null;
if (Options.RequestCultureProviders != null)
{
foreach (var provider in this.Options.RequestCultureProviders)
{
var providerResultCulture = await provider.DetermineProviderCultureResult(context);
if (providerResultCulture == null)
continue;
var cultures = providerResultCulture.Cultures;
var uiCultures = providerResultCulture.UICultures;
CultureInfo cultureInfo = null;
CultureInfo uiCultureInfo = null;
if (Options.SupportedCultures != null)
{
cultureInfo = GetCultureInfo(cultures, Options.SupportedCultures, Options.FallBackToParentCultures);
}
if (Options.SupportedUICultures != null)
{
uiCultureInfo = GetCultureInfo(uiCultures, Options.SupportedUICultures, Options.FallBackToParentUICultures);
}
if (cultureInfo == null && uiCultureInfo == null)
{
continue;
}
if (cultureInfo == null)
{
cultureInfo = Options.DefaultRequestCulture.Culture;
}
if (cultureInfo != null && uiCultureInfo == null)
{
uiCultureInfo = Options.DefaultRequestCulture.UICulture;
}
var result = new RequestCulture(cultureInfo, uiCultureInfo);
requestCulture = result;
winningProvider = provider;
break;
}
}
//context.Features.Set<IRequestCultureFeature>(new RequestCultureFeature(requestCulture, winningProvider));
SetCurrentThreadCulture(requestCulture);
await Next.Invoke(context);
}
/// <summary>
/// Creates a string representation of a <see cref="RequestCulture"/> for placement in a cookie.
/// </summary>
/// <param name="requestCulture">The <see cref="RequestCulture"/>.</param>
/// <returns>The cookie value.</returns>
public static string MakeCookieValue(RequestCulture requestCulture)
{
if (requestCulture == null)
{
throw new ArgumentNullException("requestCulture");
}
var seperator = _cookieSeparator[0].ToString();
return string.Join(seperator,
string.Format("{0}{1}", _culturePrefix, requestCulture.Culture.Name),
string.Format("{0}{1}", _uiCulturePrefix, requestCulture.UICulture.Name));
}
private static void SetCurrentThreadCulture(RequestCulture requestCulture)
{
Thread.CurrentThread.CurrentCulture = requestCulture.Culture;
Thread.CurrentThread.CurrentUICulture = requestCulture.UICulture;
}
