/// <summary>
/// Safely constructs the parameter string to gaurd against null values.
/// </summary>
/// <param name="parameter">The parameter object to construct.</param>
/// <returns>The formated parameter string.</returns>
private string ConstructParameterString(IHttpRequestParameter parameter)
{
if (parameter == null)
{
return(string.Empty);
}
return(parameter.Format());
}
/// <summary>
/// Sends an HTTP request to the server and handles the response.
/// </summary>
/// <param name="verb">The HTTP verb to use for the request.</param>
/// <param name="urlParameter">Any URL parameters to send.</param>
/// <param name="bodyParameter">Any body parameters to send.</param>
/// <returns>The HTTP Response information.</returns>
/// <exception cref="System.NotImplementedException">Thrown when the HTTP verb given has not been
/// implemented yet.</exception>
/// <exception cref="System.InvalidOperationException">Thrown when the request was already sent by
/// the client instance or the URI is invalid.</exception>
public async Task <HttpResponse> Send(HttpVerb verb, IHttpRequestParameter urlParameter = null, IHttpRequestParameter bodyParameter = null)
{
string fullRequestUrl = $"{_requestUrl}{ConstructParameterString(urlParameter)}";
HttpContent content = new StringContent(ConstructParameterString(bodyParameter));
HttpResponseMessage responseMessage = null;
try
{
switch (verb)
{
case HttpVerb.DELETE:
responseMessage = await _httpClient.DeleteAsync(fullRequestUrl);
break;
case HttpVerb.GET:
responseMessage = await _httpClient.GetAsync(fullRequestUrl);
break;
case HttpVerb.POST:
responseMessage = await _httpClient.PostAsync(fullRequestUrl, content);
break;
case HttpVerb.PUT:
responseMessage = await _httpClient.PutAsync(fullRequestUrl, content);
break;
default:
throw new NotImplementedException($"HTTP Verb not implemented: {verb.ToString()}");
}
}
catch (HttpRequestException ex)
{
string error = ExceptionUtilities.GetAllExceptionMessages(ex);
return(new HttpResponse(
fullRequestUrl,
System.Net.HttpStatusCode.InternalServerError,
error,
verb
));
}
string responseBody = await responseMessage.Content.ReadAsStringAsync();
return(new HttpResponse(
fullRequestUrl,
responseMessage.StatusCode,
responseBody,
verb
));
}
