protected virtual void ApiAsync(HttpMethod httpMethod, string path, object parameters, Type resultType, object userState)
{
Stream input;
bool containsEtag;
IList<int> batchEtags = null;
var httpHelper = PrepareRequest(httpMethod, path, parameters, resultType, out input, out containsEtag, out batchEtags);
_httpWebRequest = httpHelper.HttpWebRequest;
#if FLUENTHTTP_CORE_TPL
if (HttpWebRequestWrapperCreated != null)
HttpWebRequestWrapperCreated(this, new HttpWebRequestCreatedEventArgs(userState, httpHelper.HttpWebRequest));
#endif
var uploadProgressChanged = UploadProgressChanged;
bool notifyUploadProgressChanged = uploadProgressChanged != null && httpHelper.HttpWebRequest.Method == "POST";
httpHelper.OpenReadCompleted +=
(o, e) =>
{
FuntownApiEventArgs args;
if (e.Cancelled)
{
args = new FuntownApiEventArgs(e.Error, true, userState, null);
}
else if (e.Error == null)
{
string responseString = null;
try
{
using (var stream = e.Result)
{
#if NETFX_CORE
bool compressed = false;
var contentEncoding = httpHelper.HttpWebResponse.Headers.AllKeys.Contains("Content-Encoding") ? httpHelper.HttpWebResponse.Headers["Content-Encoding"] : null;
if (contentEncoding != null)
{
if (contentEncoding.IndexOf("gzip") != -1)
{
using (var uncompressedStream = new System.IO.Compression.GZipStream(stream, System.IO.Compression.CompressionMode.Decompress))
{
using (var reader = new StreamReader(uncompressedStream))
{
responseString = reader.ReadToEnd();
}
}
compressed = true;
}
else if (contentEncoding.IndexOf("deflate") != -1)
{
using (var uncompressedStream = new System.IO.Compression.DeflateStream(stream, System.IO.Compression.CompressionMode.Decompress))
{
using (var reader = new StreamReader(uncompressedStream))
{
responseString = reader.ReadToEnd();
}
}
compressed = true;
}
}
if (!compressed)
{
using (var reader = new StreamReader(stream))
{
responseString = reader.ReadToEnd();
}
}
#else
var response = httpHelper.HttpWebResponse;
if (response != null && response.StatusCode == HttpStatusCode.NotModified)
{
var jsonObject = new JsonObject();
var headers = new JsonObject();
foreach (var headerName in response.Headers.AllKeys)
headers[headerName] = response.Headers[headerName];
jsonObject["headers"] = headers;
args = new FuntownApiEventArgs(null, false, userState, jsonObject);
OnCompleted(httpMethod, args);
return;
}
using (var reader = new StreamReader(stream))
{
responseString = reader.ReadToEnd();
}
#endif
}
try
{
object result = ProcessResponse(httpHelper, responseString, resultType, containsEtag, batchEtags);
args = new FuntownApiEventArgs(null, false, userState, result);
}
catch (Exception ex)
{
args = new FuntownApiEventArgs(ex, false, userState, null);
}
}
catch (Exception ex)
{
args = httpHelper.HttpWebRequest.IsCancelled ? new FuntownApiEventArgs(ex, true, userState, null) : new FuntownApiEventArgs(ex, false, userState, null);
}
}
else
{
var webEx = e.Error as WebExceptionWrapper;
if (webEx == null)
{
args = new FuntownApiEventArgs(e.Error, httpHelper.HttpWebRequest.IsCancelled, userState, null);
}
else
{
if (webEx.GetResponse() == null)
{
args = new FuntownApiEventArgs(webEx, false, userState, null);
}
else
{
var response = httpHelper.HttpWebResponse;
if (response.StatusCode == HttpStatusCode.NotModified)
{
var jsonObject = new JsonObject();
var headers = new JsonObject();
foreach (var headerName in response.Headers.AllKeys)
headers[headerName] = response.Headers[headerName];
jsonObject["headers"] = headers;
args = new FuntownApiEventArgs(null, false, userState, jsonObject);
}
else
{
httpHelper.OpenReadAsync();
return;
}
}
}
}
OnCompleted(httpMethod, args);
};
if (input == null)
{
httpHelper.OpenReadAsync();
}
else
{
// we have a request body so write
httpHelper.OpenWriteCompleted +=
(o, e) =>
{
FuntownApiEventArgs args;
if (e.Cancelled)
{
input.Dispose();
args = new FuntownApiEventArgs(e.Error, true, userState, null);
}
else if (e.Error == null)
{
try
{
using (var stream = e.Result)
{
// write input to requestStream
var buffer = new byte[BufferSize];
int nread;
if (notifyUploadProgressChanged)
{
long totalBytesToSend = input.Length;
long bytesSent = 0;
while ((nread = input.Read(buffer, 0, buffer.Length)) != 0)
{
stream.Write(buffer, 0, nread);
stream.Flush();
// notify upload progress changed
bytesSent += nread;
OnUploadProgressChanged(new FuntownUploadProgressChangedEventArgs(0, 0, bytesSent, totalBytesToSend, ((int)(bytesSent * 100 / totalBytesToSend)), userState));
}
}
else
{
while ((nread = input.Read(buffer, 0, buffer.Length)) != 0)
{
stream.Write(buffer, 0, nread);
stream.Flush();
}
}
}
httpHelper.OpenReadAsync();
return;
}
catch (Exception ex)
{
args = new FuntownApiEventArgs(ex, httpHelper.HttpWebRequest.IsCancelled, userState, null);
}
finally
{
input.Dispose();
}
}
else
{
input.Dispose();
var webExceptionWrapper = e.Error as WebExceptionWrapper;
if (webExceptionWrapper != null)
{
var ex = webExceptionWrapper;
if (ex.GetResponse() != null)
{
httpHelper.OpenReadAsync();
return;
}
}
args = new FuntownApiEventArgs(e.Error, false, userState, null);
}
OnCompleted(httpMethod, args);
};
httpHelper.OpenWriteAsync();
}
}
protected virtual void OnDeleteCompleted(FuntownApiEventArgs args)
{
if (DeleteCompleted != null)
DeleteCompleted(this, args);
}
private void OnCompleted(HttpMethod httpMethod, FuntownApiEventArgs args)
{
switch (httpMethod)
{
case HttpMethod.Get:
OnGetCompleted(args);
break;
case HttpMethod.Post:
OnPostCompleted(args);
break;
case HttpMethod.Delete:
OnDeleteCompleted(args);
break;
default:
throw new ArgumentOutOfRangeException("httpMethod");
}
}
protected virtual void OnPostCompleted(FuntownApiEventArgs args)
{
if (PostCompleted != null)
PostCompleted(this, args);
}
