/// <summary>
/// Stores the CacheExpirationRegister to disk.
/// </summary>
public virtual void SaveCacheState()
{
try {
File.WriteAllLines(Config.ExpirationRegister,
CacheExpirationRegister.Select(x => x.Key + "," + x.Value.ToString(CultureInfo.InvariantCulture)));
}
catch (DirectoryNotFoundException) {
Directory.CreateDirectory(Config.CachePath);
SaveCacheState();
}
}
public override T Request <T>(Uri uri)
{
DateTime cachedUntil;
if (CacheExpirationRegister.TryGetValue(uri, out cachedUntil))
{
}
var client = new WebClient();
string data = client.DownloadString(uri);
throw new NotImplementedException();
}
/// <summary>
/// Performs a request to the specified URI and returns an EveApiResponse of specified type.
/// </summary>
/// <typeparam name="T">The type parameter for the xml response.</typeparam>
/// <param name="uri">The URI to request.</param>
/// <returns></returns>
public override T Request <T>(Uri uri)
{
DateTime cachedUntil;
bool fromCache = CacheExpirationRegister.TryGetValue(uri, out cachedUntil) && DateTime.UtcNow < cachedUntil;
string data = "";
HttpWebRequest request = HttpRequestHelper.CreateRequest(uri);
request.ContentType = ContentType;
request.CachePolicy = fromCache
? new HttpRequestCachePolicy(HttpRequestCacheLevel.CacheIfAvailable)
: new HttpRequestCachePolicy(HttpRequestCacheLevel.Reload);
request.Proxy = null;
try {
data = HttpRequestHelper.GetContent(request);
}
catch (WebException e) {
var response = (HttpWebResponse)e.Response;
Debug.WriteLine("From cache: " + response.IsFromCache);
if (response.StatusCode != HttpStatusCode.BadRequest)
{
throw new InvalidRequestException("Request caused a WebException.", e);
}
Stream responseStream = response.GetResponseStream();
if (responseStream == null)
{
throw new InvalidRequestException("Request caused a WebException.", e);
}
using (var reader = new StreamReader(responseStream)) {
data = reader.ReadToEnd();
var error = Serializer.Deserialize <EveApiError>(data);
throw new InvalidRequestException(error.Error.ErrorCode, error.Error.ErrorText, e);
}
}
var xml = Serializer.Deserialize <T>(data);
register(uri, xml);
SaveCacheState();
return(xml);
}
private void register(Uri uri, dynamic xml)
{
//if (o.GetType().Is) throw new System.Exception("Should never occur.");
// TODO type check
CacheExpirationRegister.AddOrUpdate(uri, xml.CachedUntil);
}
