public Task TryCreateAsync()

in src/WebJobs.Extensions.Http/HttpTriggerAttributeBindingProvider.cs [62:85]

• 21 lines of code
• 6 McCabe index (conditional complexity)

        public Task<ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
        {
            if (context == null)
            {
                throw new ArgumentNullException("context");
            }

            ParameterInfo parameter = context.Parameter;
            HttpTriggerAttribute attribute = parameter.GetCustomAttribute<HttpTriggerAttribute>(inherit: false);
            if (attribute == null)
            {
                return Task.FromResult<ITriggerBinding>(null);
            }

            bool isSupportedTypeBinding = ValueBinder.MatchParameterType(parameter, _supportedTypes);
            bool isUserTypeBinding = !isSupportedTypeBinding && IsValidUserType(parameter.ParameterType);
            if (!isSupportedTypeBinding && !isUserTypeBinding)
            {
                throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture,
                    "Can't bind HttpTriggerAttribute to type '{0}'.", parameter.ParameterType));
            }

            return Task.FromResult<ITriggerBinding>(new HttpTriggerBinding(attribute, context.Parameter, isUserTypeBinding, _options));
        }