public static bool IsNullOrEmpty(this QueryStringBuilder Builder)
{
if (Builder == null)
{
return(true);
}
else if (Builder.IsEmpty() == true)
{
return(true);
}
else
{
return(false);
}
}
public static string BuildEndPoint(
string Url, string WebServiceType, QueryStringBuilder QueryString)
{
StringBuilder sb = new StringBuilder();
if (Url.IsNullOrEmpty())
{
throw new ApplicationException("URL is empty");
}
// add the url to the builder.
sb.Append(Url);
// add servicetype
if (WebServiceType.IsNullOrEmpty() == false)
{
if (sb.EndsWith("/"))
{
sb.Length = sb.Length - 1;
}
if (WebServiceType[0] != '/')
{
sb.Append('/');
}
sb.Append(WebServiceType);
}
// QueryString
if (QueryString.IsNullOrEmpty() == false)
{
sb.Append('?' + QueryString.ToString( ));
}
return(sb.ToString());
}
/// <summary>
/// Send web request to server using the POST method.
/// </summary>
/// <param name="Url"></param>
/// <param name="WebServiceType"></param>
/// <param name="QueryString"></param>
/// <param name="ContentData"></param>
/// <param name="UserAgent"></param>
/// <param name="ContentType"></param>
/// <param name="Timeout"></param>
/// <returns></returns>
public static string SendWebRequest_Post(
string Url, string WebServiceType, QueryStringBuilder QueryString,
byte[] ContentData,
string UserAgent = null,
string ContentType = "application/x-www-form-urlencoded; charset=utf-8",
IDictionary <string, string> HeaderMap = null,
Stream SendData = null,
int Timeout = 50000)
{
string endPoint = BuildEndPoint(Url, WebServiceType, QueryString);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(endPoint);
request.Timeout = Timeout;
request.UserAgent = UserAgent;
request.Method = "POST";
request.ContentType = ContentType;
if (ContentData != null)
{
request.ContentLength = ContentData.Length;
}
// add headers
if (HeaderMap != null)
{
WebHeaderCollection headers = request.Headers;
foreach (String key in HeaderMap.Keys)
{
headers.Add(key, HeaderMap[key]);
}
}
// fill the WebRequest content stream.
if (ContentData != null)
{
using (Stream requestStream = request.GetRequestStream())
{
requestStream.Write(ContentData, 0, ContentData.Length);
requestStream.Close();
}
}
// copy the SendData into the web request.
if (SendData != null)
{
using (Stream requestStream = request.GetRequestStream())
{
SendData.Position = 0;
CopyStream(SendData, requestStream);
requestStream.Close();
}
}
try
{
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
string respText = null;
if (response.StatusCode != HttpStatusCode.OK)
{
string message = String.Format(
"POST failed. Received HTTP {0}", response.StatusCode);
throw new ApplicationException(message);
}
// read the response
using (var responseStream = response.GetResponseStream())
{
using (var reader = new StreamReader(responseStream))
{
respText = reader.ReadToEnd();
}
}
return(respText);
}
}
catch (WebException excp)
{
throw excp;
}
}
