/* ----------------------------------------------------------------- */
///
/// GetAsync(T)
///
/// <summary>
/// HTTP 通信を実行し、変換結果を取得します。
/// </summary>
///
/// <param name="client">HTTP クライアント</param>
/// <param name="uri">レスポンス取得 URL</param>
/// <param name="converter">変換用オブジェクト</param>
///
/// <returns>変換結果</returns>
///
/// <remarks>
/// 例外の扱いについては、IContentConverter(T).IgnoreException の
/// 設定に準じます。
/// </remarks>
///
/* ----------------------------------------------------------------- */
public static async Task <T> GetAsync <T>(this HttpClient client,
Uri uri, IContentConverter <T> converter)
{
try
{
using (var response = await client.GetAsync(uri))
{
if (response.IsSuccessStatusCode)
{
await response.Content.LoadIntoBufferAsync();
var stream = await response.Content.ReadAsStreamAsync();
return(converter.Convert(stream));
}
else
{
client.LogWarn($"StatusCode:{response.StatusCode}");
}
}
}
catch (Exception err)
{
if (converter.IgnoreException)
{
client.LogWarn(err.ToString(), err);
}
else
{
throw;
}
}
return(default(T));
}
public void Convert(Content content, object result)
{
if (this.Converter.GetTypeInfo().ImplementedInterfaces.Contains(typeof(IContentConverter)))
{
IContentConverter converter = Activator.CreateInstance(this.Converter) as IContentConverter;
converter.Convert(content, result);
}
}
public object Convert(object result)
{
if (this.Converter.GetTypeInfo().ImplementedInterfaces.Contains(typeof(IContentConverter)))
{
IContentConverter converter = Activator.CreateInstance(this.Converter) as IContentConverter;
return(converter.Convert(result));
}
return(null);
}
private Stream CheckAcceptable(HttpRequest Request, HttpResponse Response, ref string ContentType, out bool Dynamic,
string FullPath, string ResourceName)
{
HttpRequestHeader Header = Request.Header;
Dynamic = false;
if (Header.Accept != null)
{
bool Acceptable = Header.Accept.IsAcceptable(ContentType, out double Quality, out AcceptanceLevel TypeAcceptance, null);
if ((!Acceptable || TypeAcceptance == AcceptanceLevel.Wildcard) && (this.allowTypeConversionFrom is null ||
(this.allowTypeConversionFrom.TryGetValue(ContentType, out bool Allowed) && Allowed)))
{
IContentConverter Converter = null;
string NewContentType = null;
foreach (AcceptRecord AcceptRecord in Header.Accept.Records)
{
NewContentType = AcceptRecord.Item;
if (NewContentType.EndsWith("/*"))
{
NewContentType = null;
continue;
}
if (InternetContent.CanConvert(ContentType, NewContentType, out Converter))
{
Acceptable = true;
break;
}
}
if (Converter is null)
{
IContentConverter[] Converters = InternetContent.GetConverters(ContentType);
if (Converters != null)
{
string BestContentType = null;
double BestQuality = 0;
IContentConverter Best = null;
bool Found;
foreach (IContentConverter Converter2 in InternetContent.Converters)
{
Found = false;
foreach (string FromContentType in Converter2.FromContentTypes)
{
if (ContentType == FromContentType)
{
Found = true;
break;
}
}
if (!Found)
{
continue;
}
foreach (string ToContentType in Converter2.ToContentTypes)
{
if (Header.Accept.IsAcceptable(ToContentType, out double Quality2) && Quality > BestQuality)
{
BestContentType = ToContentType;
BestQuality = Quality;
Best = Converter2;
}
}
}
if (Best != null && (!Acceptable || BestQuality >= Quality))
{
Acceptable = true;
Converter = Best;
NewContentType = BestContentType;
}
}
}
if (Acceptable && Converter != null)
{
Stream f2 = null;
Stream f = File.Open(FullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
bool Ok = false;
try
{
f2 = f.Length < HttpClientConnection.MaxInmemoryMessageSize ? (Stream) new MemoryStream() : new TemporaryFile();
if (Request.Session != null)
{
Request.Session["Request"] = Request;
Request.Session["Response"] = Response;
}
if (Converter.Convert(ContentType, f, FullPath, ResourceName, Request.Header.GetURL(false, false),
NewContentType, f2, Request.Session))
{
Dynamic = true;
}
ContentType = NewContentType;
Ok = true;
}
finally
{
if (f2 is null)
{
f.Dispose();
}
else if (!Ok)
{
f2.Dispose();
f.Dispose();
}
else
{
f.Dispose();
f = f2;
f.Position = 0;
}
}
return(f);
}
}
if (!Acceptable)
{
throw new NotAcceptableException();
}
}
return(null);
}
private Stream CheckAcceptable(HttpRequest Request, HttpResponse Response, ref string ContentType, out bool Dynamic,
string FullPath, string ResourceName)
{
HttpRequestHeader Header = Request.Header;
Dynamic = false;
if (Header.Accept != null)
{
bool Acceptable = Header.Accept.IsAcceptable(ContentType, out double Quality, out ContentTypeAcceptance TypeAcceptance, null);
if ((!Acceptable || TypeAcceptance == ContentTypeAcceptance.Wildcard) && (this.allowTypeConversionFrom == null ||
(this.allowTypeConversionFrom.TryGetValue(ContentType, out bool Allowed) && Allowed)))
{
IContentConverter Converter = null;
string NewContentType = null;
foreach (AcceptRecord AcceptRecord in Header.Accept.Records)
{
NewContentType = AcceptRecord.Item;
if (NewContentType.EndsWith("/*"))
{
continue;
}
if (InternetContent.CanConvert(ContentType, NewContentType, out Converter))
{
Acceptable = true;
break;
}
}
if (Acceptable && Converter != null)
{
Stream f2 = null;
Stream f = File.OpenRead(FullPath);
bool Ok = false;
try
{
f2 = f.Length < HttpClientConnection.MaxInmemoryMessageSize ? (Stream) new MemoryStream() : new TemporaryFile();
if (Request.Session != null)
{
Request.Session["Request"] = Request;
Request.Session["Response"] = Response;
}
if (Converter.Convert(ContentType, f, FullPath, ResourceName, Request.Header.GetURL(false, false),
NewContentType, f2, Request.Session))
{
Dynamic = true;
}
ContentType = NewContentType;
Ok = true;
}
finally
{
if (f2 == null)
{
f.Dispose();
}
else if (!Ok)
{
f2.Dispose();
f.Dispose();
}
else
{
f.Dispose();
f = f2;
f2 = null;
f.Position = 0;
}
}
return(f);
}
}
if (!Acceptable)
{
throw new NotAcceptableException();
}
}
return(null);
}
