/// <summary>
/// Submits a new atom entry to a particular Google service.
/// </summary>
/// <typeparam name="TFeed">Type of feed for the service.</typeparam>
/// <typeparam name="TEntry">Type of feed entry for the service.</typeparam>
/// <param name="entry">The atom entry object containing the data to submit.</param>
/// <param name="applicationName">The name of the application which invokes this method.</param>
/// <returns>A new atom entry containing some additional data like id, published date etc.</returns>
protected virtual TEntry SubmitNewEntry <TFeed, TEntry>(TEntry entry, string applicationName)
where TFeed : GFeed <TEntry>, new()
where TEntry : GEntry, new()
{
if (String.IsNullOrEmpty(GUrl))
{
throw new ArgumentNullException(GUrl,
"Feed Url is not provided. Please provide Feed url first through GUrl Property.");
}
var request = WebRequest.Create(GUrl) as HttpWebRequest;
if (request != null)
{
var serializer = new XObjectSerializer <TEntry>();
string xml = serializer.StringSerialize(entry);
long length = xml.ToCharArray().LongLength;
var gc = new GDataCredentials(GUserName, GPassword)
{
AccountType = "GOOGLE"
};
string header = GAuthManager.RequestClientLoginHeader(gc, "code", applicationName, true,
GoogleAuthentication.URI_HANDLER, ProxySettings);
if (ProxySettings != null)
{
request.Proxy = ProxySettings;
}
request.Method = "POST";
request.Credentials = new NetworkCredential
{
UserName = GUserName,
Password = GPassword
};
request.ContentType = "application/atom+xml";
request.ContentLength = length;
request.Headers.Add(header);
var sw = new StreamWriter(request.GetRequestStream());
sw.Write(xml);
sw.Close();
var webData = new GWebAsyncData <TFeed, TEntry>
{
Request = request, ResetEvent = new ManualResetEvent(false)
};
IAsyncResult result = request.BeginGetResponse(AsyncManager <TFeed, TEntry> .AsyncSubmitNewEntry, webData);
((GWebAsyncData <TFeed, TEntry>)result.AsyncState).ResetEvent.WaitOne();
return(((GWebAsyncData <TFeed, TEntry>)result.AsyncState).EntryResult);
}
throw new OutOfMemoryException("Unable to create new WebRequest");
}
/// <summary>
/// Downloads all feed asynchronously from a Google service.
/// </summary>
/// <param name="result"><see cref="System.IAsyncResult"/> object.</param>
internal static void AsyncDownloadAllFeeds(IAsyncResult result)
{
try
{
var request = ((GWebAsyncData <TFeed, TEntry>)result.AsyncState).Request as HttpWebRequest;
if (request != null)
{
WebResponse response = request.EndGetResponse(result);
Stream stream = response.GetResponseStream();
var serializer = new XObjectSerializer <TFeed>();
// used to build entire input
var sb = new StringBuilder();
// used on each read operation
var buffer = new byte[8192];
int count;
do
{
// fill the buffer with data
count = stream.Read(buffer, 0, buffer.Length);
// make sure we read some data
if (count != 0)
{
// translate from bytes to ASCII text
string tempString = Encoding.UTF8.GetString(buffer, 0, count);
// continue building the string
sb.Append(tempString);
}
} while (count > 0); // any more data to read?
Trace.WriteLine(sb.ToString());
((GWebAsyncData <TFeed, TEntry>)result.AsyncState).FeedResult = serializer.Deserialize(sb.ToString());
stream.Close();
response.Close();
((GWebAsyncData <TFeed, TEntry>)result.AsyncState).ResetEvent.Set();
}
}
catch (Exception exception)
{
((GWebAsyncData <TFeed, TEntry>)result.AsyncState).ResetEvent.Set();
Console.WriteLine(exception.Message);
throw;
}
}
