/// <summary>
/// Creates an <see cref="ODataMessageReader"/> for a given message and context using
/// WCF DS client settings.
/// </summary>
/// <param name="responseMessage">The response message</param>
/// <param name="responseInfo">The response context</param>
/// <param name="payloadKind">Type of the message.</param>
/// <returns>The message reader.</returns>
protected static ODataMessageReader CreateODataMessageReader(IODataResponseMessage responseMessage, ResponseInfo responseInfo, ref ODataPayloadKind payloadKind)
{
ODataMessageReaderSettings settings = responseInfo.ReadHelper.CreateSettings();
ODataMessageReader odataMessageReader = responseInfo.ReadHelper.CreateReader(responseMessage, settings);
if (payloadKind == ODataPayloadKind.Unsupported)
{
var payloadKinds = odataMessageReader.DetectPayloadKind().ToList();
if (payloadKinds.Count == 0)
{
throw DSClient.Error.InvalidOperation(DSClient.Strings.AtomMaterializer_InvalidResponsePayload(XmlConstants.DataWebNamespace));
}
// Pick the first payload kind detected by ODataLib and use that to parse the exception.
// The only exception being payload with entity reference link(s). If one of the payload kinds
// is reference links, then we need to give preference to reference link payloads.
ODataPayloadKindDetectionResult detectionResult = payloadKinds.FirstOrDefault(k => k.PayloadKind == ODataPayloadKind.EntityReferenceLink || k.PayloadKind == ODataPayloadKind.EntityReferenceLinks);
if (detectionResult == null)
{
detectionResult = payloadKinds.First();
}
if (detectionResult.Format != ODataFormat.Json && detectionResult.Format != ODataFormat.RawValue)
{
throw DSClient.Error.InvalidOperation(DSClient.Strings.AtomMaterializer_InvalidContentTypeEncountered(responseMessage.GetHeader(XmlConstants.HttpContentType)));
}
payloadKind = detectionResult.PayloadKind;
}
return(odataMessageReader);
}
protected static ODataMessageReader CreateODataMessageReader(IODataResponseMessage responseMessage, ResponseInfo responseInfo, ref ODataPayloadKind payloadKind)
{
ODataMessageReaderSettings settings = responseInfo.ReadHelper.CreateSettings(ReadingEntityInfo.BufferAndCacheEntryPayload);
ODataMessageReader odataMessageReader = responseInfo.ReadHelper.CreateReader(responseMessage, settings);
if (payloadKind == ODataPayloadKind.Unsupported)
{
var payloadKinds = odataMessageReader.DetectPayloadKind().ToList();
if (payloadKinds.Count == 0)
{
throw DSClient.Error.InvalidOperation(DSClient.Strings.AtomMaterializer_InvalidResponsePayload(responseInfo.DataNamespace));
}
// Pick the first payload kind detected by ODataLib and use that to parse the exception.
// The only exception being payload with entity reference link(s). If one of the payload kinds
// is reference links, then we need to give preference to reference link payloads.
ODataPayloadKindDetectionResult detectionResult = payloadKinds.FirstOrDefault(k => k.PayloadKind == ODataPayloadKind.EntityReferenceLink || k.PayloadKind == ODataPayloadKind.EntityReferenceLinks);
if (detectionResult == null)
{
ODataVersion dataServiceVersion = responseMessage.GetDataServiceVersion(CommonUtil.ConvertToODataVersion(responseInfo.MaxProtocolVersion));
// if its a collection or a Property we should choose collection if its less than V3, this enables older service operations on Execute
if (dataServiceVersion < ODataVersion.V3 && payloadKinds.Any(pk => pk.PayloadKind == ODataPayloadKind.Property) && payloadKinds.Any(pk => pk.PayloadKind == ODataPayloadKind.Collection))
{
detectionResult = payloadKinds.Single(pk => pk.PayloadKind == ODataPayloadKind.Collection);
}
else
{
detectionResult = payloadKinds.First();
}
}
// Astoria client only supports atom, jsonverbose, jsonlight and raw value payloads.
if (detectionResult.Format != ODataFormat.Atom && detectionResult.Format != ODataFormat.VerboseJson && detectionResult.Format != ODataFormat.Json && detectionResult.Format != ODataFormat.RawValue)
{
throw DSClient.Error.InvalidOperation(DSClient.Strings.AtomMaterializer_InvalidContentTypeEncountered(responseMessage.GetHeader(XmlConstants.HttpContentType)));
}
payloadKind = detectionResult.PayloadKind;
}
return(odataMessageReader);
}
protected static ODataMessageReader CreateODataMessageReader(IODataResponseMessage responseMessage, System.Data.Services.Client.ResponseInfo responseInfo, bool projectionQuery, ref ODataPayloadKind payloadKind)
{
Func <ODataEntry, XmlReader, Uri, XmlReader> entryXmlCustomizer = null;
if (responseInfo.HasReadingEntityHandlers)
{
entryXmlCustomizer = new Func <ODataEntry, XmlReader, Uri, XmlReader>(ODataMaterializer.EntryXmlCustomizer);
}
ODataMessageReaderSettings settings = WebUtil.CreateODataMessageReaderSettings(responseInfo, entryXmlCustomizer, projectionQuery);
ODataMessageReader reader = new ODataMessageReader(responseMessage, settings, ClientEdmModel.GetModel(responseInfo.MaxProtocolVersion));
if (payloadKind == ODataPayloadKind.Unsupported)
{
List <ODataPayloadKindDetectionResult> source = reader.DetectPayloadKind().ToList <ODataPayloadKindDetectionResult>();
if (source.Count == 0)
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.AtomMaterializer_InvalidResponsePayload(responseInfo.DataNamespace));
}
ODataPayloadKindDetectionResult result = source.FirstOrDefault <ODataPayloadKindDetectionResult>(delegate(ODataPayloadKindDetectionResult k) {
if (k.PayloadKind != ODataPayloadKind.EntityReferenceLink)
{
return(k.PayloadKind == ODataPayloadKind.EntityReferenceLinks);
}
return(true);
});
if (result == null)
{
result = source.First <ODataPayloadKindDetectionResult>();
}
if ((result.Format != ODataFormat.Atom) && (result.Format != ODataFormat.RawValue))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.AtomMaterializer_InvalidContentTypeEncountered(responseMessage.GetHeader("Content-Type")));
}
payloadKind = result.PayloadKind;
}
return(reader);
}
