public HttpResponseMessage CreateWadoRsResponse
(
IWadoRequestHeader request,
IEnumerable <IWadoRsResponse> wadoResponses,
MimeMediaType mimeType
)
{
HttpResponseMessage response = new HttpResponseMessage( );
if (wadoResponses == null || wadoResponses.FirstOrDefault( ) == null)
{
response.StatusCode = System.Net.HttpStatusCode.NotAcceptable;
return(response);
}
if (!IsValidResponse(wadoResponses, out response))
{
return(response);
}
if (mimeType == MimeMediaTypes.Json)
{
return(GetJsonResponse(wadoResponses));
}
else
{
return(GetMultipartResponse(wadoResponses, mimeType));
}
}
protected virtual IEnumerable <IWadoRsResponse> CreateRetrieveInstanceResponse
(
IWadoRequestHeader header,
IObjectID objectID,
out string mimeType
)
{
List <IWadoRsResponse> responses = new List <IWadoRsResponse> ( );
MediaTypeWithQualityHeaderValue mediaType = null;
mimeType = null;
MimeMediaType jsMime = MimeMediaTypes.MultipartRelated;
if (jsMime.IsIn(header.AcceptHeader, out mediaType))
{
mimeType = ProcessMultipartRequest(objectID, responses, mediaType);
}
//TODO: all requests for retrieve is multipart except for "metadata in json format"
//e.g:
//Instances:
//Accept - A comma-separated list of representation schemes, in preference order, which will be accepted by the service in theresponse to this request. The types allowed for this request header are as follows:
//multipart/related; type=application/dicom; [transfer-syntax={TransferSyntaxUID}]
//Specifies that the response can be DICOM Instances encoded in PS3.10 format. If transfer-syntax is not specified the servercan freely choose which Transfer Syntax to use for each Instance.
//multipart/related; type=application/octet-stream
//Specifies that the response can be Little Endian uncompressed bulk data.
//multipart/related; type={MediaType}
//Specifies that the response can be pixel data encoded using a {MediaType} listed in Table 6.5-1 (including parameters).
//Bulk Data:
//multipart/related; type=application/octet-stream
//multipart/related; type={MediaType}
//metadata:
//multipart/related; type=application/dicom+xml
//application/json
//else
//if ( ((MimeMediaType)MimeMediaTypes.Json).IsIn (header.AcceptHeader, out mediaType))
//{
// mimeType = ProcessJsonRequest ( objectID, responses ) ;
//}
//else
//if ( ((MimeMediaType)MimeMediaTypes.Jpeg).IsIn (header.AcceptHeader, out mediaType))
//{
// //.... and so on
//}
//return json metadata by default
if (null == mimeType)
{
mimeType = ProcessJsonRequest(objectID, responses);
}
return(responses);
}
public HttpResponseMessage CreateRetrieveInstancesResponse
(
IWadoRequestHeader request,
IEnumerable <IWadoRsResponse> wadoResponses,
MimeMediaType mimeType
)
{
HttpResponseMessage response = null;
if (!IsValidResponse(wadoResponses, out response))
{
return(response);
}
//if ( request.IsMultipart ( ) )
{
return(GetMultipartResponse(wadoResponses, mimeType));
}
}
private string ProcessMultipartRequest
(
IObjectID objectID,
List <IWadoRsResponse> responses,
MediaTypeWithQualityHeaderValue mediaType
)
{
var mediaTypeHeader = mediaType.Parameters.Where(n => n.Name == "type").FirstOrDefault();
MimeMediaType requestedMimeType = (mediaTypeHeader != null) ? mediaTypeHeader.Value.Trim('"') : MimeMediaTypes.UncompressedData;
foreach (IStorageLocation location in GetLocations(objectID, requestedMimeType))
{
IWadoRsResponse response = new WadoResponse(location, requestedMimeType);
responses.Add(response);
}
return(requestedMimeType);
}
