public Stream GetPhotoContent(int id)
{
WebOperationContext context = WebOperationContext.Current;
StreamingServicePhoto photo = StreamingServiceContext.GetPhoto(id);
if (photo == null)
{
context.OutgoingResponse.SetStatusAsNotFound();
return(new MemoryStream());
}
if (context.IncomingRequest.Headers[HttpRequestHeader.Accept] == "test/ReplyWithHeaders")
{
XDocument doc = StreamingServiceHelpers.SerializeRequestHeaders(context.IncomingRequest.Headers);
context.OutgoingResponse.Headers[HttpResponseHeader.ContentEncoding] = "UTF-8";
MemoryStream s = new MemoryStream();
XmlWriterSettings ws = new XmlWriterSettings()
{
OmitXmlDeclaration = true,
Encoding = Encoding.UTF8
};
using (XmlWriter w = XmlWriter.Create(s, ws))
{
doc.Save(w);
}
context.OutgoingResponse.ContentLength = s.Length;
s.Seek(0, SeekOrigin.Begin);
return(s);
}
if (context.IncomingRequest.Headers[HttpRequestHeader.Accept] == "test/AddTestHeaders")
{
context.OutgoingResponse.Headers.Add("test-single", "value1");
context.OutgoingResponse.Headers.Add("test-multi", "value2");
context.OutgoingResponse.Headers.Add("test-multi", "value3");
}
if (context.IncomingRequest.Headers[HttpRequestHeader.Accept] == "test/AddContentPropertyHeaders")
{
context.OutgoingResponse.Headers.Add(HttpResponseHeader.ContentType, "test/ContentType");
context.OutgoingResponse.Headers.Add("Content-Disposition", "test-content-disposition");
}
if (context.OutgoingResponse.ContentType == null)
{
if (photo.ContentType != "no-content-type")
{
context.OutgoingResponse.ContentType = photo.ContentType;
}
}
context.OutgoingResponse.ContentLength = photo.Content.Length;
return(new MemoryStream(photo.Content));
}
public object CreateResource(string containerName, string fullTypeName)
{
StreamingServiceObjectBase resource = null;
if (containerName == "Photos")
{
if (fullTypeName == (typeof(StreamingServicePhoto).Namespace + "." + typeof(StreamingServicePhoto).Name))
{
resource = new StreamingServicePhoto();
resource.ID = _id++;
this.pendingChanges.Add(new PendingChange()
{
ChangeType = ChangeType.Add, List = _photos, Resource = resource
});
}
}
else if (containerName == "V1Photos")
{
if (fullTypeName == (typeof(StreamingServiceV1Photo).Namespace + "." + typeof(StreamingServiceV1Photo).Name))
{
resource = new StreamingServiceV1Photo();
resource.ID = _id++;
this.pendingChanges.Add(new PendingChange()
{
ChangeType = ChangeType.Add, List = _v1photos, Resource = resource
});
}
}
else if (containerName == "EntitiesWithoutStream")
{
if (fullTypeName == (typeof(StreamingServiceEntityWithoutStream).Namespace + "." + typeof(StreamingServiceEntityWithoutStream).Name))
{
resource = new StreamingServiceEntityWithoutStream();
resource.ID = _id++;
this.pendingChanges.Add(new PendingChange()
{
ChangeType = ChangeType.Add, List = _entitiesWithoutStream, Resource = resource
});
}
}
if (resource == null)
{
throw new Exception("Unknown resource to be created: " + containerName + ", " + fullTypeName);
}
return(resource);
}
public Uri GetReadStreamUri(object entity, DataServiceOperationContext operationContext)
{
StreamingServiceRequestHeaders headers = entity as StreamingServiceRequestHeaders;
if (headers == null)
{
StreamingServicePhotoBase photo = entity as StreamingServicePhotoBase;
if (photo == null)
{
throw new ArgumentException("The specified entity is not a photo entity.", "entity");
}
StreamingServicePhoto photoV2 = photo as StreamingServicePhoto;
if (photoV2 != null && photoV2.AlternativeUri && contentServiceUri != null)
{
return(new Uri(contentServiceUri.ToString() + "PhotoContent?id=" + photoV2.ID.ToString(), UriKind.Absolute));
}
}
return(null);
}
