HttpRequest rewriting solves the problem of resource overlay, link timeout, and multipart download Event Notifications ., Httprequest Rewriting

HttpRequest rewriting solves the problem of resource overlay, link timeout, and multipart download Event Notifications ., Httprequest Rewriting

Using System; using System. collections. generic; using System. componentModel; using System. IO; using System. IO. compression; using System. linq; using System. net; using System. text; using System. web; namespace MyApi {public class HttpRequest {public HttpRequest () {// string Url = "http: // localhost: 5192/api/Cab/5 "; // string httpMethod = "PUT"; // string httpContent = "{'name': 'b90', 'color': 'green', 'height ': 1590, 'width': 4500} "; // Encoding httpCode = Encoding. default; // Console. writeLine (Get (Url, httpMethod, httpContent, httpCode); setEncoding = Encoding. default;} public HttpRequest (string url, string method): base () {setUrl = url; setMethod = method ;} /// <summary> /// service request address http://www.aaa.com //// </summary> public string setUrl {get; set ;} /// <summary> /// Service Request Method: GET/POST/PUT/DELETE // /</Summary> public string setMethod {get; set ;} /// <summary> /// set the service request data type /// </summary> [DefaultValue ("text/html")] public string setContentType {get; set ;} /// <summary> /// set the Service Page Encoding /// </summary> public Encoding setEncoding {get; set;} public delegate void DownloadStartDelegate (int httpStatusCode ); public delegate void DownloadProcessDelegate (long totalLength, long DownloadedByte, fl Oat percent); public delegate void DownloadEndDelegate (long totalLength); public event DownloadStartDelegate DownloadStart; public event DownloadProcessDelegate DownloadProcess; public event DownloadEndDelegate DownloadEnd; public string Get () {return Get (setUrl);} public string Get (string setUrl) {return Get (setUrl, "GET", null, setEncoding);} public string Get (string setUrl, string httpConte Nt) {return Get (setUrl, "POSE", httpContent, setEncoding);} public string Get (string Url, string httpMethod, string httpContent, Encoding httpCode) {if (string. isNullOrWhiteSpace (Url) | string. isNullOrWhiteSpace (httpMethod) {throw new ArgumentException ("Url or HttpMethod parameter cannot be blank! ");} GC. collect (); StringBuilder content = new StringBuilder (); HttpWebRequest request = null; HttpWebResponse response = null; StreamWriter sw = null; try {ServicePointManager. defaultConnectionLimit = 512; request = WebRequest. create (Url) as HttpWebRequest; request. method = httpMethod; request. allowAutoRedirect = true; request. keepAlive = false; request. accept = "Mozilla/4.0 (compatible; MSIE 7. 0; Windows NT 5.1 ;. net clr 2.0.50727; Maxthon 2.0) "; request. contentType = setContentType; // "application/octet-stream"; request. proxy = null; if (httpContent! = Null &&! String. isNullOrWhiteSpace (httpContent) {using (sw = new StreamWriter (request. getRequestStream () {sw. write (httpContent) ;}} using (response = request. getResponse () as HttpWebResponse) {if (this. downloadStart! = Null) this. downloadStart (int) response. statusCode); Stream stream = response. getResponseStream (); if (response. contentEncoding. toLower (). contains ("gzip") stream = new GZipStream (stream, CompressionMode. decompress); float percent = 0; long totalDownloadedByte = 0; long totalBytes = response. contentLength; while (stream. canRead) {byte [] buffer = new byte [1024]; int canrds = stream. read (buffer, 0, 1024); totalDownloadedByte = canrds + totalDownloadedByte; percent = (float) totalDownloadedByte/(float) totalBytes * 100; if (DownloadProcess! = Null) DownloadProcess (totalBytes, totalDownloadedByte, percent); if (canrds = 0) break; content. Append (httpCode. GetString (buffer);} if (DownloadEnd! = Null) DownloadEnd (totalBytes); stream. Dispose () ;}} finally {if (request! = Null) request. Abort (); if (response! = Null) response. Dispose (); if (sw! = Null) sw. dispose ();} GC. suppressFinalize (this); return content. toString ();/* Response. write (Guid. newGuid (). toString () + "