Refactor code

src/WireMock.Net/Http/HttpClientHelper.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+
+namespace WireMock.Http
+{
+    internal static class HttpClientHelper
+    {
+        public static async Task<ResponseMessage> SendAsync(RequestMessage requestMessage, string url)
+        {
+            using (var client = new HttpClient())
+            {
+                var httpRequestMessage = new HttpRequestMessage(new HttpMethod(requestMessage.Method), url);
+
+                // Overwrite the host header
+                httpRequestMessage.Headers.Host = new Uri(url).Authority;
+
+                // Set headers if present
+                if (requestMessage.Headers != null)
+                {
+                    foreach (var headerName in requestMessage.Headers.Keys.Where(k => k.ToUpper() != "HOST"))
+                    {
+                        httpRequestMessage.Headers.Add(headerName, new[] { requestMessage.Headers[headerName] });
+                    }
+                }
+
+                // Set Body if present
+                if (requestMessage.BodyAsBytes != null && requestMessage.BodyAsBytes.Length > 0)
+                {
+                    httpRequestMessage.Content = new ByteArrayContent(requestMessage.BodyAsBytes);
+                }
+
+                // Call the URL
+                var httpResponseMessage = await client.SendAsync(httpRequestMessage, HttpCompletionOption.ResponseContentRead);
+
+                // Transform response
+                var responseMessage = new ResponseMessage
+                {
+                    StatusCode = (int)httpResponseMessage.StatusCode,
+                    Body = await httpResponseMessage.Content.ReadAsStringAsync()
+                };
+
+                foreach (var header in httpResponseMessage.Headers)
+                {
+                    responseMessage.AddHeader(header.Key, header.Value.FirstOrDefault());
+                }
+
+                return responseMessage;
+            }
+        }
+    }
+}