| using System;
|
| using System.Collections.Generic;
|
| using System.Text;
|
| using System.Web;
|
|
|
| namespace Client.Scraper
|
| {
|
|
|
|
|
| public static class HttpExtensions
|
| {
|
| public static Uri AddQuery(this Uri uri, string name, string value)
|
| {
|
| var ub = new UriBuilder(uri);
|
|
|
|
|
| var httpValueCollection = HttpUtility.ParseQueryString(uri.Query);
|
| httpValueCollection.Add(name, value);
|
|
|
|
|
|
|
| if (httpValueCollection.Count == 0)
|
| ub.Query = String.Empty;
|
| else
|
| {
|
| var sb = new StringBuilder();
|
|
|
| for (int i = 0; i < httpValueCollection.Count; i++)
|
| {
|
| string text = httpValueCollection.GetKey(i);
|
| {
|
| text = HttpUtility.UrlEncode(text);
|
|
|
| string val = (text != null) ? (text + "=") : string.Empty;
|
| string[] vals = httpValueCollection.GetValues(i);
|
|
|
| if (sb.Length > 0)
|
| sb.Append('&');
|
|
|
| if (vals == null || vals.Length == 0)
|
| sb.Append(val);
|
| else
|
| {
|
| if (vals.Length == 1)
|
| {
|
| sb.Append(val);
|
| sb.Append(HttpUtility.UrlEncode(vals[0]));
|
| }
|
| else
|
| {
|
| for (int j = 0; j < vals.Length; j++)
|
| {
|
| if (j > 0)
|
| sb.Append('&');
|
|
|
| sb.Append(val);
|
| sb.Append(HttpUtility.UrlEncode(vals[j]));
|
| }
|
| }
|
| }
|
| }
|
| }
|
|
|
| ub.Query = sb.ToString();
|
| }
|
|
|
| return ub.Uri;
|
| }
|
| }
|
| }
|
|
|
