public void Shorten(string longUrl, UrlShortened callback)
{
var scheme = DetermineScheme(longUrl);
if (scheme != null && longUrl.IndexOf(scheme, StringComparison.CurrentCultureIgnoreCase) == -1)
{
longUrl = string.Format("{0}://{1}", scheme, longUrl);
}
if (!IsValidUrl(longUrl))
{
callback(new Web.LongUrlResponse { StatusCode = 400, Error = Text.InvalidUrl });
return;
}
if (!NetworkInterface.GetIsNetworkAvailable())
{
callback(new Web.LongUrlResponse { StatusCode = 500, Error = Text.NoInternetConnection });
return;
}
var requestUri = new StringBuilder(GoogleApi.EndPoint);
requestUri.AppendFormat("?key={0}&", GoogleApi.ApiKey);
var request = (HttpWebRequest)WebRequest.Create(requestUri.ToString());
request.Method = "POST";
request.ContentType = "application/json";
request.BeginGetRequestStream(
ar1 =>
{
using (var writer = new StreamWriter(request.EndGetRequestStream(ar1)))
{
writer.Write(JsonConvert.SerializeObject(new LongUrlRequest(longUrl)));
}
request.BeginGetResponse(
ar2 =>
{
var googleResponse = new Web.LongUrlResponse { LongUrl = longUrl };
try
{
var response = (HttpWebResponse) request.EndGetResponse(ar2);
using (var reader = new StreamReader(response.GetResponseStream()))
{
var jsonResponse = reader.ReadToEnd();
var shortUrl =
JsonConvert.DeserializeObject<LongUrlResponse>(jsonResponse);
googleResponse.StatusCode = 200;
googleResponse.ShortUrl = shortUrl.Id;
}
}
catch(WebException ex)
{
var response = ex.Response as HttpWebResponse;
using (var reader = new StreamReader(response.GetResponseStream()))
{
var jsonResponse = reader.ReadToEnd();
var jObject = JObject.Parse(jsonResponse);
googleResponse.StatusCode = Int32.Parse(jObject["error"]["code"].ToString());
googleResponse.Error = longUrl.StartsWith("http://goo.gl") ?
Text.AlreadyAShortened :
jObject["error"]["message"].ToString();
}
}
callback(googleResponse);
}, null);
}, null);
}
public void Shorten(string longUrl, UrlShortened callback)
{
var scheme = DetermineScheme(longUrl);
if (scheme != null && longUrl.IndexOf(scheme, StringComparison.CurrentCultureIgnoreCase) == -1)
{
longUrl = string.Format("{0}://{1}", scheme, longUrl);
}
if (!IsValidUrl(longUrl))
{
callback(new Web.LongUrlResponse {
StatusCode = 400, Error = Text.InvalidUrl
});
return;
}
if (!NetworkInterface.GetIsNetworkAvailable())
{
callback(new Web.LongUrlResponse {
StatusCode = 500, Error = Text.NoInternetConnection
});
return;
}
var requestUri = new StringBuilder(GoogleApi.EndPoint);
requestUri.AppendFormat("?key={0}&", GoogleApi.ApiKey);
var request = (HttpWebRequest)WebRequest.Create(requestUri.ToString());
request.Method = "POST";
request.ContentType = "application/json";
request.BeginGetRequestStream(
ar1 =>
{
using (var writer = new StreamWriter(request.EndGetRequestStream(ar1)))
{
writer.Write(JsonConvert.SerializeObject(new LongUrlRequest(longUrl)));
}
request.BeginGetResponse(
ar2 =>
{
var googleResponse = new Web.LongUrlResponse {
LongUrl = longUrl
};
try
{
var response = (HttpWebResponse)request.EndGetResponse(ar2);
using (var reader = new StreamReader(response.GetResponseStream()))
{
var jsonResponse = reader.ReadToEnd();
var shortUrl =
JsonConvert.DeserializeObject <LongUrlResponse>(jsonResponse);
googleResponse.StatusCode = 200;
googleResponse.ShortUrl = shortUrl.Id;
}
}
catch (WebException ex)
{
var response = ex.Response as HttpWebResponse;
using (var reader = new StreamReader(response.GetResponseStream()))
{
var jsonResponse = reader.ReadToEnd();
var jObject = JObject.Parse(jsonResponse);
googleResponse.StatusCode = Int32.Parse(jObject["error"]["code"].ToString());
googleResponse.Error = longUrl.StartsWith("http://goo.gl") ?
Text.AlreadyAShortened :
jObject["error"]["message"].ToString();
}
}
callback(googleResponse);
}, null);
}, null);
}
