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using System;
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using System.Collections.Generic;
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using System.Net.Http;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using RestSharp;
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using RestSharp.Authenticators;
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using xCommons.Constants;
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using xCommons.Extensions;
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using xExceptions.Constants;
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using xHttpService.Configurations;
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using xHttpService.Constants;
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using xHttpService.Interfaces;
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using xIdentityModels.Models;
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using xModels.Base;
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namespace xHttpService.Providers {
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public partial class XHttpProvider : XBaseClass, IXHttpProvider {
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private readonly XHttpServiceConfiguration configuration;
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public XHttpProvider (
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ILoggerFactory loggerFactory,
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XHttpServiceConfiguration configuration
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) : base (loggerFactory) {
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this.configuration = configuration;
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}
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//
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#region Actions ...
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/// <summary>
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/// Get an Instance of Http Client
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/// </summary>
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/// <returns></returns>
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public HttpClient GetHttpClient () {
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//
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HttpClient httpClient = null;
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httpClient = new HttpClient ();
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//
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if (configuration.DisableSSLCheck) {
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//
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var httpHandler = new HttpClientHandler ();
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httpHandler.ServerCertificateCustomValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true;
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//
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httpClient = new HttpClient (httpHandler);
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}
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//
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// Set Timeout ...
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httpClient.Timeout = TimeSpan
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.FromSeconds (configuration.DefaultClientTimeout);
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//
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return httpClient;
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}
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/// <summary>
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/// Get an Instance of RestClient
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/// </summary>
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/// <param name="baseUrl"></param>
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/// <param name="poweredByValue"></param>
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/// <param name="tokens"></param>
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/// <returns></returns>
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public RestClient GetRestClient (
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string baseUrl = null,
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string poweredByValue = null,
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XTokenResponse tokens = null
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) {
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//
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var client = new RestClient (baseUrl);
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//
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// Add XPowered By to Default Headers ...
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if (!poweredByValue.IsNullOrEmpty ()) {
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client.AddDefaultHeader (XAuthorization.XPoweredBy, poweredByValue);
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}
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//
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// Set Authenticator ...
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if (!tokens.IsNull () &&
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!tokens.AccessToken.IsNullOrEmpty ()) {
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client.Authenticator = new JwtAuthenticator (tokens.AccessToken);
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}
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//
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// Refresh Token ...
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if (!tokens.IsNull () &&
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!tokens.RefreshToken.IsNullOrEmpty ()) {
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client.AddDefaultHeader (XAuthorization.RefreshToken, tokens.RefreshToken);
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}
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//
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// ExpiresAt ...
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if (!tokens.IsNull () &&
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tokens.ExpiresAt > 0) {
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client.AddDefaultHeader (XAuthorization.ExpiresAt, tokens.ExpiresAt.AsHttpParamString ());
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}
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//
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// Set Default Timeout ...
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client.Timeout = configuration.DefaultClientTimeout;
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//
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// SSL Validation Handler ...
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if (configuration.DisableSSLCheck) {
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client.RemoteCertificateValidationCallback = (sender, cert, chain, sslPolicyErrors) => true;
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}
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//
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return client;
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}
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/// <summary>
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/// Get an Instance of RestRequest
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/// </summary>
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/// <param name="endpoint"></param>
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/// <param name="params"></param>
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/// <param name="headers"></param>
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/// <param name="queryStrings"></param>
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/// <returns></returns>
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public RestRequest GetRestRequet (
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string endpoint,
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IDictionary<string, string> @params = null,
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IDictionary<string, string> headers = null,
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IDictionary<string, string> queryStrings = null
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) {
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//
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var url = endpoint.ToString ();
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//
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// Add Route Payloads ...
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if (!@params.IsNull () && @params.Count > 0) {
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//
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var enumerator = @params.GetEnumerator ();
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while (enumerator.MoveNext ()) {
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//
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var item = enumerator.Current;
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//
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url = url.Replace (item.Key, item.Value.ToUrlEncoded ());
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}
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}
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//
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// Add Query Strings ...
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if (!queryStrings.IsNull () && queryStrings.Count > 0) {
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//
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url = $"{url}?";
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var enumerator = queryStrings.GetEnumerator ();
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while (enumerator.MoveNext ()) {
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//
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var item = enumerator.Current;
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//
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url += $"{item.Key}={item.Value.ToUrlEncoded ()}&";
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}
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//
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// remove lates & ...
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if (url.EndsWith ("&")) {
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url = url.Substring (0, url.Length - 1);
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}
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}
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//
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// Create request ...
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var request = new RestRequest (url, DataFormat.Json);
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//
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// Add Headers to request ...
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if (!headers.IsNull () && headers.Count > 0) {
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//
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var enumerator = headers.GetEnumerator ();
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while (enumerator.MoveNext ()) {
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//
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var item = enumerator.Current;
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request.AddHeader (item.Key, item.Value);
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}
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}
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//
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return request;
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}
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/// <summary>
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/// Handle Call Specific Request and retrieve Response
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/// </summary>
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/// <param name="client"></param>
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/// <param name="request"></param>
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/// <param name="method"></param>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public async Task<T> RunRestRequest<T> (
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RestClient client,
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RestRequest request,
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XHttpMethod method
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) {
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//
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var response = await Task.Run (() => {
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//
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IRestResponse resp = null;
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//
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// Call Endpoint Service using Specified Method ...
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switch (method) {
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//
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// Get ...
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case XHttpMethod.GET:
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resp = client.Get (request);
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break;
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//
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// Put ...
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case XHttpMethod.PUT:
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resp = client.Put (request);
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break;
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//
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// Post ...
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case XHttpMethod.POST:
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resp = client.Post (request);
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break;
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//
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// Delete ...
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case XHttpMethod.DELETE:
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resp = client.Delete (request);
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break;
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}
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//
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if (!resp.IsSuccessful) {
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//
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// UnAuthorized ...
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if (resp.StatusCode == System.Net.HttpStatusCode.Unauthorized) {
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XException.NotAuthorized.Throw ();
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}
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//
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// NotFound ...
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if (resp.StatusCode == System.Net.HttpStatusCode.NotFound) {
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XException.NotFound.Throw ();
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}
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//
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// Timeout ...
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if (!resp.ErrorMessage.IsNullOrEmpty () &&
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resp.ErrorMessage.Contains ("timed out")) {
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XException.Timeout.Throw ();
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}
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//
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// ErrorMessage ...
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if (!resp.ErrorMessage.IsNullOrEmpty ()) {
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throw new Exception (resp.ErrorMessage);
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}
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//
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// Default Exception ...
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XException.BadRequest.Throw ();
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}
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//
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var result = resp.Content.FromJSON<T> ();
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return result;
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});
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//
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return response;
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}
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#endregion
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}
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}
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