public static async Task <object> CreateError(ITypedBuilderContext context, HttpRequestMessage request, HttpResponseMessage response, Exception exception)
{
var allowNullError = typeof(IEmptyError).IsAssignableFrom(context.ErrorType);
object error = null;
if (!allowNullError && response != null)
{
try
{
error = await context.Formatter.DeserializeError(response, context);
}
catch (Exception ex)
{
exception = exception != null ? new AggregateException(ex, exception) : ex;
}
}
if (error == null)
{
error = exception != null
? context.DefaultErrorFactory?.Invoke(context.ErrorType, exception)
: TypeHelpers.GetDefaultValueForType(context.ErrorType);
}
if (error == null && !allowNullError && exception != null)
{
throw exception;
}
var errorWithMeta = error as IResultWithWritableMetadata;
if (errorWithMeta != null)
{
errorWithMeta.Metadata = CachingHelpers.CreateResponseMetadata(error, request, response, context.CacheMetadata);
}
return(error);
}
public static async Task <object> CreateResult(ITypedBuilderContext context, HttpRequestMessage request, HttpResponseMessage response)
{
object result;
if (typeof(IEmptyResult).IsAssignableFrom(context.ResultType))
{
result = TypeHelpers.GetDefaultValueForType(context.ResultType);
}
else
{
result = await context.Formatter.DeserializeResult(response, context);
}
var resultWithMeta = result as IResultWithWritableMetadata;
if (resultWithMeta != null)
{
resultWithMeta.Metadata = CachingHelpers.CreateResponseMetadata(result, request, response, context.CacheMetadata);
}
return(result);
}