/// <summary>
/// This method allows to load a token from a previously generated stream
/// and the attached metadata
/// </summary>
/// <param name="tokenStream"></param>
/// <param name="additionalMetaData"></param>
/// <returns></returns>
public ICloudStorageAccessToken DeserializeSecurityToken(Stream tokenStream, out Dictionary <String, String> additionalMetaData)
{
// load the data in our list
var serializer = new DataContractSerializer(typeof(Dictionary <String, String>));
// check the type
Object obj = serializer.ReadObject(tokenStream);
if (!obj.GetType().Equals(typeof(Dictionary <String, String>)))
#if SILVERLIGHT || MONODROID || MONOTOUCH
{ throw new Exception("A List<String> was expected"); }
#else
{ throw new InvalidDataException("A List<String> was expected"); }
#endif
// evaluate the right provider
Dictionary <String, String> tokendata = (Dictionary <String, String>)obj;
// find the right provider by typename
ICloudStorageProviderInternal provider = GetProviderByConfigurationTypeName(tokendata[TokenProviderConfigurationType]);
// set the output parameter
additionalMetaData = new Dictionary <string, string>();
// fill the metadata
foreach (KeyValuePair <String, string> kvp in tokendata)
{
if (kvp.Key.StartsWith(TokenMetadataPrefix))
{
additionalMetaData.Add(kvp.Key.Remove(0, TokenMetadataPrefix.Length), kvp.Value);
}
}
// build the token
return(provider.LoadToken(tokendata));
}
/// <summary>
/// This method generated a access token from the given data
/// string list
/// </summary>
/// <param name="tokendata">the string list</param>
/// <returns>The unserialized token</returns>
internal ICloudStorageAccessToken LoadToken(Dictionary <String, String> tokendata)
{
return(_provider.LoadToken(tokendata));
}