private static object ConvertFromResourceOrCollectionValue(string value, IEdmModel model, IEdmTypeReference typeReference)
{
ODataMessageReaderSettings settings = new ODataMessageReaderSettings();
settings.Validations &= ~ValidationKinds.ThrowOnUndeclaredPropertyForNonOpenType;
settings.ReadUntypedAsString = false;
using (StringReader reader = new StringReader(value))
{
ODataMessageInfo messageInfo = new ODataMessageInfo
{
MediaType = new ODataMediaType(MimeConstants.MimeApplicationType, MimeConstants.MimeJsonSubType),
Model = model,
IsResponse = false,
IsAsync = false,
MessageStream = null,
};
using (ODataJsonLightInputContext context = new ODataJsonLightInputContext(reader, messageInfo, settings))
{
ODataJsonLightPropertyAndValueDeserializer deserializer = new ODataJsonLightPropertyAndValueDeserializer(context);
// TODO: The way JSON array literals look in the URI is different that response payload with an array in it.
// The fact that we have to manually setup the underlying reader shows this different in the protocol.
// There is a discussion on if we should change this or not.
deserializer.JsonReader.Read(); // Move to first thing
object rawResult = deserializer.ReadNonEntityValue(
null /*payloadTypeName*/,
typeReference,
null /*DuplicatePropertyNameChecker*/,
null /*CollectionWithoutExpectedTypeValidator*/,
true /*validateNullValue*/,
false /*isTopLevelPropertyValue*/,
false /*insideResourceValue*/,
null /*propertyName*/);
deserializer.ReadPayloadEnd(false);
return(rawResult);
}
}
}
/// <summary>
/// Converts the given string <paramref name="value"/> to an ODataComplexValue or ODataCollectionValue and returns it.
/// Tries in both JSON light and Verbose JSON.
/// </summary>
/// <remarks>Does not handle primitive values.</remarks>
/// <param name="value">Value to be deserialized.</param>
/// <param name="version">ODataVersion to be compliant with.</param>
/// <param name="model">Model to use for verification.</param>
/// <param name="typeReference">Expected type reference from deserialization. If null, verification will be skipped.</param>
/// <returns>An ODataComplexValue or ODataCollectionValue that results from the deserialization of <paramref name="value"/>.</returns>
internal static object ConvertFromComplexOrCollectionValue(string value, ODataVersion version, IEdmModel model, IEdmTypeReference typeReference)
{
ODataMessageReaderSettings settings = new ODataMessageReaderSettings();
using (StringReader reader = new StringReader(value))
{
using (ODataJsonLightInputContext context = new ODataJsonLightInputContext(
ODataFormat.Json,
reader,
new MediaType(MimeConstants.MimeApplicationType, MimeConstants.MimeJsonSubType),
settings,
version,
false /*readingResponse*/,
true /*synchronous*/,
model,
null /*urlResolver*/,
null /*payloadKindDetectionState*/))
{
ODataJsonLightPropertyAndValueDeserializer deserializer = new ODataJsonLightPropertyAndValueDeserializer(context);
// TODO: The way JSON array literals look in the URI is different that response payload with an array in it.
// The fact that we have to manually setup the underlying reader shows this different in the protocol.
// There is a discussion on if we should change this or not.
deserializer.JsonReader.Read(); // Move to first thing
object rawResult = deserializer.ReadNonEntityValue(
null /*payloadTypeName*/,
typeReference,
null /*DuplicatePropertyNameChecker*/,
null /*CollectionWithoutExpectedTypeValidator*/,
true /*validateNullValue*/,
false /*isTopLevelPropertyValue*/,
false /*insideComplexValue*/,
null /*propertyName*/);
deserializer.ReadPayloadEnd(false);
Debug.Assert(rawResult is ODataComplexValue || rawResult is ODataCollectionValue, "rawResult is ODataComplexValue || rawResult is ODataCollectionValue");
return(rawResult);
}
}
}
/// <summary>
/// Converts the given string <paramref name="value"/> to an ODataComplexValue or ODataCollectionValue and returns it.
/// Tries in both JSON light and Verbose JSON.
/// </summary>
/// <remarks>Does not handle primitive values.</remarks>
/// <param name="value">Value to be deserialized.</param>
/// <param name="version">ODataVersion to be compliant with.</param>
/// <param name="model">Model to use for verification.</param>
/// <param name="typeReference">Expected type reference from deserialization. If null, verification will be skipped.</param>
/// <returns>An ODataComplexValue or ODataCollectionValue that results from the deserialization of <paramref name="value"/>.</returns>
internal static object ConvertFromComplexOrCollectionValue(string value, ODataVersion version, IEdmModel model, IEdmTypeReference typeReference)
{
DebugUtils.CheckNoExternalCallers();
ODataMessageReaderSettings settings = new ODataMessageReaderSettings();
// Try read as JSON (light) so long as a custom model was provided
if (model.IsUserModel())
{
try
{
using (StringReader reader = new StringReader(value))
{
using (ODataJsonLightInputContext context = new ODataJsonLightInputContext(
ODataFormat.Json,
reader,
new MediaType(MimeConstants.MimeApplicationType, MimeConstants.MimeJsonSubType),
settings,
version,
false /*readingResponse*/,
true /*synchronous*/,
model,
null /*urlResolver*/,
null /*payloadKindDetectionState*/))
{
ODataJsonLightPropertyAndValueDeserializer deserializer = new ODataJsonLightPropertyAndValueDeserializer(context);
// TODO: The way JSON array literals look in the URI is different that response payload with an array in it.
// The fact that we have to manually setup the underlying reader shows this different in the protocol.
// There is a discussion on if we should change this or not.
deserializer.JsonReader.Read(); // Move to first thing
object rawResult = deserializer.ReadNonEntityValue(
null /*payloadTypeName*/,
typeReference,
null /*DuplicatePropertyNameChecker*/,
null /*CollectionWithoutExpectedTypeValidator*/,
true /*validateNullValue*/,
false /*isTopLevelPropertyValue*/,
false /*insideComplexValue*/,
null /*propertyName*/);
deserializer.ReadPayloadEnd(false);
Debug.Assert(rawResult is ODataComplexValue || rawResult is ODataCollectionValue, "rawResult is ODataComplexValue || rawResult is ODataCollectionValue");
return(rawResult);
}
}
}
catch (ODataException)
{
// Swallow. We'll try reading it as Verbose JSON instead.
// If an error occurs then, we'll surface that error message.
// Since we shipped Verbose JSON only support in 5.0, it's nice to preserve the Verbose JSON error messages.
}
}
// Read as Verbose JSON
using (StringReader reader = new StringReader(value))
{
using (ODataVerboseJsonInputContext context = new ODataVerboseJsonInputContext(
ODataFormat.VerboseJson,
reader,
settings,
version,
false /*readingResponse*/,
true /*synchronous*/,
model,
null /*urlResolver*/))
{
ODataVerboseJsonPropertyAndValueDeserializer deserializer = new ODataVerboseJsonPropertyAndValueDeserializer(context);
deserializer.ReadPayloadStart(false);
object rawResult = deserializer.ReadNonEntityValue(
typeReference,
null /*DuplicatePropertyNameChecker*/,
null /*CollectionWithoutExpectedTypeValidator*/,
true /*validateNullValue*/,
null /*propertyName*/);
deserializer.ReadPayloadEnd(false);
Debug.Assert(rawResult is ODataComplexValue || rawResult is ODataCollectionValue, "rawResult is ODataComplexValue || rawResult is ODataCollectionValue");
return(rawResult);
}
}
}
