/// <summary>
/// 添加token应用的http消息处理程序
/// </summary>
/// <typeparam name="TOAuthTokenHandler"></typeparam>
/// <param name="builder"></param>
/// <param name="handlerFactory">hanlder的创建委托</param>
/// <param name="tokenProviderSearchMode">token提供者的查找模式</param>
/// <returns></returns>
public static IHttpClientBuilder AddOAuthTokenHandler <TOAuthTokenHandler>(this IHttpClientBuilder builder, Func <IServiceProvider, ITokenProvider, TOAuthTokenHandler> handlerFactory, TypeMatchMode tokenProviderSearchMode = TypeMatchMode.TypeOrBaseTypes)
where TOAuthTokenHandler : OAuthTokenHandler
{
var httpApiType = builder.GetHttpApiType();
if (httpApiType == null)
{
throw new InvalidOperationException($"无效的{nameof(IHttpClientBuilder)}，找不到其关联的http接口类型");
}
return(builder.AddHttpMessageHandler(serviceProvider =>
{
var factory = serviceProvider.GetRequiredService <ITokenProviderFactory>();
var tokenProvider = factory.Create(httpApiType, tokenProviderSearchMode);
return handlerFactory(serviceProvider, tokenProvider);
}));
}
