/**
*
* method "POST" or "GET"
* url
* auth 可选
*/
public ResponseWrapper sendRequest(String method, String url, String auth, String reqParams)
{
//杨殿君注释
//Console.WriteLine("Send request - " + method.ToString() + " " + url + " "+ DateTime.Now);
//if (null != reqParams)
//{
// Console.WriteLine("Request Content - " + reqParams +" "+ DateTime.Now);
//}
//结果wrap
ResponseWrapper result = new ResponseWrapper();
//创建httprequest
HttpWebRequest myReq = null;
//创建httpresponse
HttpWebResponse response = null;
try
{
//利用工厂机制（factory mechanism）通过Create()方法来创建的
myReq = (HttpWebRequest)WebRequest.Create(url);
//request类型
myReq.Method = method;
myReq.ContentType = "application/json";
//auth是否为null或者空
if (!String.IsNullOrEmpty(auth))
{
//添加头auth
myReq.Headers.Add("Authorization", "Basic " + auth);
}
if (method == "POST")
{
//utf8编码
byte[] bs = UTF8Encoding.UTF8.GetBytes(reqParams);
myReq.ContentLength = bs.Length;
using (Stream reqStream = myReq.GetRequestStream())
{
reqStream.Write(bs, 0, bs.Length);
reqStream.Close();
}
}
if (method == "PUT")
{
//utf8编码
byte[] bs = UTF8Encoding.UTF8.GetBytes(reqParams);
myReq.ContentLength = bs.Length;
using (Stream reqStream = myReq.GetRequestStream())
{
reqStream.Write(bs, 0, bs.Length);
reqStream.Close();
}
}
//response
response = (HttpWebResponse)myReq.GetResponse();
//http status code
HttpStatusCode statusCode = response.StatusCode;
result.responseCode = statusCode;
if (Equals(response.StatusCode, HttpStatusCode.OK))
{
using (StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8))
{
result.responseContent = reader.ReadToEnd();
}
String limitQuota = response.GetResponseHeader(RATE_LIMIT_QUOTA);
String limitRemaining = response.GetResponseHeader(RATE_LIMIT_Remaining);
String limitReset = response.GetResponseHeader(RATE_LIMIT_Reset);
result.setRateLimit(limitQuota, limitRemaining, limitReset);
//Console.WriteLine("Succeed to get response - 200 OK" +" "+ DateTime.Now);
//Console.WriteLine("Response Content - {0}", result.responseContent +" "+ DateTime.Now);
}
}
//异常处理
catch (WebException e)
{
if (e.Status == WebExceptionStatus.ProtocolError)
{
HttpStatusCode errorCode = ((HttpWebResponse)e.Response).StatusCode;
string statusDescription = ((HttpWebResponse)e.Response).StatusDescription;
using (StreamReader sr = new StreamReader(((HttpWebResponse)e.Response).GetResponseStream(), System.Text.Encoding.UTF8))
{
result.responseContent = sr.ReadToEnd();
}
result.responseCode = errorCode;
result.exceptionString = e.Message;
String limitQuota = ((HttpWebResponse)e.Response).GetResponseHeader(RATE_LIMIT_QUOTA);
String limitRemaining = ((HttpWebResponse)e.Response).GetResponseHeader(RATE_LIMIT_Remaining);
String limitReset = ((HttpWebResponse)e.Response).GetResponseHeader(RATE_LIMIT_Reset);
result.setRateLimit(limitQuota, limitRemaining, limitReset);
Debug.Print(e.Message);
result.setErrorObject();
//Console.WriteLine(string.Format("fail to get response - {0}", errorCode) + " "+ DateTime.Now);
//Console.WriteLine(string.Format("Response Content - {0}", result.responseContent) + " "+ DateTime.Now);
throw new APIRequestException(result);
}
else
{//
throw new APIConnectionException(e.Message);
}
}
//这里不再抓取非http的异常，如果异常抛出交给开发者自行处理
//catch (System.Exception ex)
//{
// String errorMsg = ex.Message;
// Debug.Print(errorMsg);
//}
finally
{
if (response != null)
{
response.Close();
}
if (myReq != null)
{
myReq.Abort();
}
}
return(result);
}
public APIRequestException(ResponseWrapper responseRequest)
: base(responseRequest.exceptionString)
{
this.responseRequest = responseRequest;
}
