/// <summary>
/// Constructs an OData request body using the given settings
/// </summary>
/// <param name="contentType">The content type of the body</param>
/// <param name="uri">The request uri</param>
/// <param name="rootElement">The root payload element</param>
/// <returns>An OData request body</returns>
public ODataPayloadBody BuildBody(string contentType, ODataUri uri, ODataPayloadElement rootElement)
{
ExceptionUtilities.CheckArgumentNotNull(contentType, "contentType");
ExceptionUtilities.CheckArgumentNotNull(rootElement, "rootElement");
ExceptionUtilities.CheckAllRequiredDependencies(this);
string charset = HttpUtilities.GetContentTypeCharsetOrNull(contentType);
byte[] serializedBody = null;
var batchRequestPayload = rootElement as BatchRequestPayload;
if (batchRequestPayload != null)
{
string boundary;
ExceptionUtilities.Assert(HttpUtilities.TryGetContentTypeParameter(contentType, HttpHeaders.Boundary, out boundary), "Could not find boundary in content type for batch payload. Content type was: '{0}'", contentType);
serializedBody = this.BatchSerializer.SerializeBatchPayload(batchRequestPayload, boundary, charset);
}
else
{
IProtocolFormatStrategy strategy = this.FormatSelector.GetStrategy(contentType, uri);
ExceptionUtilities.CheckObjectNotNull(strategy, "Strategy selector did not return a strategy for content type '{0}'", contentType);
IPayloadSerializer serializer = strategy.GetSerializer();
ExceptionUtilities.CheckObjectNotNull(serializer, "Strategy returned a null serializer");
serializedBody = serializer.SerializeToBinary(rootElement, charset);
}
return(new ODataPayloadBody(serializedBody, rootElement));
}
/// <summary>
/// Constructs an OData response to the given request using the given response data
/// </summary>
/// <param name="request">The odata request that was made</param>
/// <param name="underlyingResponse">The response data</param>
/// <returns>An odata response</returns>
public ODataResponse BuildResponse(ODataRequest request, HttpResponseData underlyingResponse)
{
ExceptionUtilities.CheckArgumentNotNull(request, "request");
ExceptionUtilities.CheckArgumentNotNull(underlyingResponse, "underlyingResponse");
ODataResponse odataResponse = new ODataResponse(underlyingResponse);
if (request.Uri.IsBatch())
{
ExceptionUtilities.CheckObjectNotNull(request.Body, "Batch request had no body");
var batchRequestPayload = request.Body.RootElement as BatchRequestPayload;
ExceptionUtilities.CheckObjectNotNull(batchRequestPayload, "Batch request body was not a valid batch payload");
this.ExecuteAndCatchErrors(request, odataResponse, () => odataResponse.RootElement = this.BatchDeserializer.DeserializeBatchResponse(batchRequestPayload, underlyingResponse));
return(odataResponse);
}
string contentType;
if (underlyingResponse.TryGetHeaderValueIgnoreHeaderCase(HttpHeaders.ContentType, out contentType))
{
IProtocolFormatStrategy strategy = this.FormatSelector.GetStrategy(contentType, request.Uri);
ExceptionUtilities.CheckObjectNotNull(strategy, "Strategy selector did not return a strategy for content type '{0}'", contentType);
IPayloadDeserializer deserializer = strategy.GetDeserializer();
ExceptionUtilities.CheckObjectNotNull(deserializer, "Strategy returned a null deserializer");
this.ExecuteAndCatchErrors(
request,
odataResponse,
() =>
{
var payloadContext = ODataPayloadContext.BuildPayloadContextFromRequest(request);
payloadContext.ContentType = contentType;
payloadContext.EncodingName = HttpUtilities.GetContentTypeCharsetOrNull(contentType);
odataResponse.RootElement = deserializer.DeserializeFromBinary(odataResponse.Body, payloadContext);
if (ShouldResolveMetadata(request.Uri, odataResponse.StatusCode, odataResponse.RootElement.ElementType))
{
// resolve the payload's metadata
this.MetadataResolver.ResolveMetadata(odataResponse.RootElement, request.Uri);
// normalize the payload
var normalizer = strategy.GetPayloadNormalizer();
ExceptionUtilities.CheckObjectNotNull(normalizer, "Strategy returned a null payload normalizer");
odataResponse.RootElement = normalizer.Normalize(odataResponse.RootElement);
}
});
}
return(odataResponse);
}
