public string GetStreamContentType(object entity, DataServiceOperationContext operationContext)
{
StreamingServiceRequestHeaders headers = entity as StreamingServiceRequestHeaders;
if (headers != null)
{
return("text/plain");
}
StreamingServicePhotoBase photo = entity as StreamingServicePhotoBase;
if (photo == null)
{
throw new ArgumentException("The specified entity is not a photo entity.", "entity");
}
return(photo.GetContentType());
}
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);
}
public System.IO.Stream GetReadStream(object entity, string etag, bool?checkETagForEquality, DataServiceOperationContext operationContext)
{
if (GetReadStreamOverride != null)
{
return(GetReadStreamOverride(entity, etag, checkETagForEquality, operationContext));
}
StreamingServiceRequestHeaders headers = entity as StreamingServiceRequestHeaders;
if (headers != null)
{
return(new MemoryStream(Encoding.UTF8.GetBytes(headers.Headers.ToString())));
}
StreamingServicePhotoBase photo = entity as StreamingServicePhotoBase;
if (photo == null)
{
throw new ArgumentException("The specified entity is not a photo entity.", "entity");
}
return(new MemoryStream(photo.GetContent()));
}