Bloom.Api.ApiRequest.RequiredPostValue C# (CSharp) Method

        public string RequiredPostValue(string key)
        {
            Debug.Assert(_requestInfo.HttpMethod == HttpMethods.Post);
            var values = _requestInfo.GetPostDataWhenFormEncoded().GetValues(key);
            if(values == null || values.Length != 1)
                throw new ApplicationException("The query " + _requestInfo.RawUrl + " should have 1 value for "+key);
            return values[0];
        }

        public void ProcessDirectoryWatcher(ApiRequest request)
        {
            // thread synchronization is done in the calling BloomApiHandler.
            var dirName = request.RequiredPostValue("dir");

            if (dirName == "Sample Texts")
            {
                CheckForSampleTextChanges(request);
            }
            else
            {
                request.Failed();
            }
        }