public async Task <U> ExecAsync <U>(HttpIORequest request) where U : new()
{
string url = request.URI;
if (request.QueryString != null)
{
var builder = new UriBuilder(request.URI);
builder.Port = -1; // Use default
builder.Query = ToQueryString(request.QueryString);
url = builder.ToString();
}
switch (request.Verb)
{
case HttpVerb.GET:
return(await ExecAsyncGet <U>(request, url).ConfigureAwait(false));
}
return(default(U));
}
public async Task <List <Image> > GetImagesHttp()
{
ImageList.IO.HttpIORequest request = new ImageList.IO.HttpIORequest();
request.URI = "http://md5.jsontest.com/";
request.Verb = ImageList.IO.HttpVerb.GET;
request.ContentType = ImageList.IO.DataType.JSON;
request.Authentication = ImageList.IO.AuthType.NONE;
request.QueryString = new Dictionary <string, string>();
request.QueryString["text"] = "example_text";
TransactionCookie httpTransaction = new TransactionCookie(1, this);
httpTransaction.Request = request;
HttpIO <HttpIOHandler> httpIO = new HttpIO <HttpIOHandler>(httpTransaction);
//httpIO.OnHttpAppException += ((msg) =>
//{
// //Log(msg);
//});
//httpIO.OnHttpFatalException += ((msg) =>
//{
// //Log(msg);
//});
List <Image> imgLst = await httpIO.ExecAsync <List <Image> >(request).ConfigureAwait(false);
return(imgLst);
// JSON parsing without serialization...
if (imgLst != null)
{
string md5 = "";
bool bReadNxt = false;
JsonTextReader reader = new JsonTextReader(new StringReader(imgLst.ToString()));
while (reader.Read())
{
/*
* TokenType "PropertyName" means its a JSON Key
* Corresponding Value represents the key Name
* TokenType for a JSON value is the data type like String, Boolean, Integer...
* Corresponding Value is the value of the JSON Value
*/
if (reader.Value != null)
{
//Log(string.Format("Token: {0}, Value: {1}", reader.TokenType, reader.Value));
if (bReadNxt)
{
md5 = reader.Value.ToString();
bReadNxt = false;
//Log(string.Format("VALUE: {0}", md5));
}
if (reader.TokenType.ToString() == "PropertyName" &&
reader.Value.ToString() == "md5")
{
bReadNxt = true;
}
}
else
{
//Log(string.Format("Token: {0}", reader.TokenType));
}
}
}
}
private async Task <U> ExecAsyncGet <U>(HttpIORequest request, string url) where U : new()
{
U deserializedObj = default(U);
using (var client = new HttpClient())
{
HttpResponseMessage response = null;
client.Timeout = new TimeSpan(0, 0, 9000);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
if (request.Authentication == AuthType.BASIC)
{
string sAuth = request.BasicAuthCreds.Username + ":" + request.BasicAuthCreds.Password;
var byteArray = Encoding.UTF8.GetBytes(sAuth);
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
}
else if (request.Authentication == AuthType.OAUTH2)
{
/*
* To generate oauth2 header following items are needed
* 1. Consumer key
* 2. Consumer secret
* 3. Token (optional)
* 4. Token secret (optional)
*/
//client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("OAuth", authHeader);
}
try
{
response = await client.GetAsync(url).ConfigureAwait(false);
if (response.IsSuccessStatusCode)
{
string strRspns = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
deserializedObj = await Task.Run
(
() => JsonConvert.DeserializeObject <U>(strRspns)
).ConfigureAwait(false);
}
else
{
string msg = "Http Server threw exception";
if (response != null)
{
msg += string.Format(": HTTP {0}\n{1}",
response.StatusCode, Convert.ToString(response));
}
(_handlerObject as I_IOHandler).OnBusinessError(this, msg, _consumerCookie);
}
}
catch (Exception ex)
{
// Most likely Severe System or Networkr related exception
string msg = "Http fatal error: " + ex.Message;
(_handlerObject as I_IOHandler).OnNetworkError(this, msg, AbortSource.Server,
AbortReason.NotSpecified, _consumerCookie);
//throw new HttpIOException("Http operation failed with message:" + ex.Message);
}
}
return(deserializedObj);
}
public async Task<List<Image>> GetImagesHttp()
{
ImageList.IO.HttpIORequest request = new ImageList.IO.HttpIORequest();
request.URI = "http://md5.jsontest.com/";
request.Verb = ImageList.IO.HttpVerb.GET;
request.ContentType = ImageList.IO.DataType.JSON;
request.Authentication = ImageList.IO.AuthType.NONE;
request.QueryString = new Dictionary<string, string>();
request.QueryString["text"] = "example_text";
TransactionCookie httpTransaction = new TransactionCookie(1, this);
httpTransaction.Request = request;
HttpIO<HttpIOHandler> httpIO = new HttpIO<HttpIOHandler>(httpTransaction);
//httpIO.OnHttpAppException += ((msg) =>
//{
// //Log(msg);
//});
//httpIO.OnHttpFatalException += ((msg) =>
//{
// //Log(msg);
//});
List<Image> imgLst = await httpIO.ExecAsync<List<Image>>(request).ConfigureAwait(false);
return imgLst;
// JSON parsing without serialization...
if (imgLst != null)
{
string md5 = "";
bool bReadNxt = false;
JsonTextReader reader = new JsonTextReader(new StringReader(imgLst.ToString()));
while (reader.Read())
{
/*
* TokenType "PropertyName" means its a JSON Key
* Corresponding Value represents the key Name
* TokenType for a JSON value is the data type like String, Boolean, Integer...
* Corresponding Value is the value of the JSON Value
*/
if (reader.Value != null)
{
//Log(string.Format("Token: {0}, Value: {1}", reader.TokenType, reader.Value));
if (bReadNxt)
{
md5 = reader.Value.ToString();
bReadNxt = false;
//Log(string.Format("VALUE: {0}", md5));
}
if (reader.TokenType.ToString() == "PropertyName"
&& reader.Value.ToString() == "md5")
bReadNxt = true;
}
else
{
//Log(string.Format("Token: {0}", reader.TokenType));
}
}
}
}
