private static string MakeRequest(HttpMethod httpMethod, Uri requestUrl, byte[] postData, string contentType)
{
var request = (HttpWebRequest)WebRequest.Create(requestUrl);
request.Method = FacebookUtils.ConvertToString(httpMethod); // Set the http method GET, POST, etc.
if (postData != null)
{
request.ContentLength = postData.Length;
request.ContentType = contentType;
using (Stream dataStream = request.GetRequestStream())
{
dataStream.Write(postData, 0, postData.Length);
}
}
var responseData = string.Empty;
Exception exception = null;
try
{
var response = (HttpWebResponse)request.GetResponse();
using (var streamReader = new StreamReader(response.GetResponseStream()))
{
responseData = streamReader.ReadToEnd();
}
response.Close();
}
catch (WebException ex)
{
exception = (Exception)ExceptionFactory.GetGraphException(ex) ?? ex;
}
finally
{
if (exception != null)
{
throw exception;
}
}
return(responseData);
}
/// <summary>
/// Converts the facebook batch to POST parameters.
/// </summary>
/// <param name="batchParameter">
/// The batch parameter.
/// </param>
/// <returns>
/// The post parameters.
/// </returns>
protected IDictionary <string, object> ToParameters(FacebookBatchParameter batchParameter)
{
Contract.Requires(batchParameter != null);
Contract.Ensures(Contract.Result <IDictionary <string, object> >() != null);
IDictionary <string, object> returnResult = null;
var defaultParameters = new Dictionary <string, object>();
defaultParameters["method"] = FacebookUtils.ConvertToString(batchParameter.HttpMethod);
IDictionary <string, object> parameters = null;
if (batchParameter.Parameters == null)
{
parameters = new Dictionary <string, object>();
}
else
{
if (batchParameter.Parameters is IDictionary <string, object> )
{
parameters = (IDictionary <string, object>)batchParameter.Parameters;
}
else
{
parameters = FacebookUtils.ToDictionary(batchParameter.Parameters);
}
}
var path = FacebookUtils.ParseQueryParametersToDictionary(batchParameter.Path, parameters);
string queryString = string.Empty;
if (batchParameter.HttpMethod == HttpMethod.Get)
{
queryString = FacebookUtils.ToJsonQueryString(parameters);
}
else
{
defaultParameters["body"] = FacebookUtils.ToJsonQueryString(parameters);
}
var relativeUrl = new StringBuilder(path);
if (!string.IsNullOrEmpty(queryString))
{
relativeUrl.AppendFormat("?{0}", queryString);
}
defaultParameters["relative_url"] = relativeUrl.ToString();
var data = batchParameter.Data;
if (data == null)
{
returnResult = defaultParameters;
}
else
{
if (!(data is IDictionary <string, object>))
{
data = FacebookUtils.ToDictionary(batchParameter.Data);
}
returnResult = FacebookUtils.Merge(defaultParameters, (IDictionary <string, object>)data);
}
return(returnResult);
}