private static HelpPageApiModel GenerateApiModel(
            ApiDescription apiDescription, 
            HelpPageSampleGenerator sampleGenerator)
        {
            var apiModel = new HelpPageApiModel();
            apiModel.ApiDescription = apiDescription;

            try
            {
                foreach (var item in sampleGenerator.GetSampleRequests(apiDescription))
                {
                    apiModel.SampleRequests.Add(item.Key, item.Value);
                    LogInvalidSampleAsError(apiModel, item.Value);
                }

                foreach (var item in sampleGenerator.GetSampleResponses(apiDescription))
                {
                    apiModel.SampleResponses.Add(item.Key, item.Value);
                    LogInvalidSampleAsError(apiModel, item.Value);
                }
            }
            catch (Exception e)
            {
                apiModel.ErrorMessages.Add(
                    string.Format(
                        CultureInfo.CurrentCulture, 
                        "An exception has occurred while generating the sample. Exception Message: {0}", 
                        e.Message));
            }

            return apiModel;
        }
 /// <summary>
 /// Sets the help page sample generator.
 /// </summary>
 /// <param name="config">
 /// The <see cref="HttpConfiguration"/>.
 /// </param>
 /// <param name="sampleGenerator">
 /// The help page sample generator.
 /// </param>
 public static void SetHelpPageSampleGenerator(
     this HttpConfiguration config, 
     HelpPageSampleGenerator sampleGenerator)
 {
     config.Properties.AddOrUpdate(
         typeof(HelpPageSampleGenerator), 
         k => sampleGenerator, 
         (k, o) => sampleGenerator);
 }