/// <summary>
/// Write a literal value in JSON Light format.
/// </summary>
/// <param name="model">EDM Model to use for validation and type lookups.</param>
/// <param name="messageWriterSettings">Settings to use when writing.</param>
/// <param name="textWriter">TextWriter to use as the output for the value.</param>
/// <param name="writeValue">Delegate to use to actually write the value.</param>
private static void WriteJsonLightLiteral(IEdmModel model, ODataMessageWriterSettings messageWriterSettings, TextWriter textWriter, Action <ODataJsonLightValueSerializer> writeValue)
{
IEnumerable <KeyValuePair <string, string> > parameters = new Dictionary <string, string>
{
{ MimeConstants.MimeIeee754CompatibleParameterName, messageWriterSettings.IsIeee754Compatible.ToString() }
};
ODataMediaType mediaType = new ODataMediaType(MimeConstants.MimeApplicationType, MimeConstants.MimeJsonSubType, parameters);
// Calling dispose since it's the right thing to do, but when created from a custom-built TextWriter
// the output context Dispose will not actually dispose anything, it will just cleanup itself.
// TODO: URI parser will also support DI container in the future but set the container to null at this moment.
ODataMessageInfo messageInfo = new ODataMessageInfo
{
Model = model,
IsAsync = false,
IsResponse = false,
MediaType = mediaType
};
using (ODataJsonLightOutputContext jsonOutputContext =
new ODataJsonLightOutputContext(textWriter, messageInfo, messageWriterSettings))
{
ODataJsonLightValueSerializer jsonLightValueSerializer = new ODataJsonLightValueSerializer(jsonOutputContext);
writeValue(jsonLightValueSerializer);
jsonLightValueSerializer.AssertRecursionDepthIsZero();
}
}
private ODataJsonLightValueSerializer CreateODataJsonLightValueSerializer(bool writingResponse)
{
var context = new ODataJsonLightOutputContext(ODataFormat.Json, stream, new ODataMediaType("application", "json"), Encoding.Default, settings, writingResponse, true, model, null);
var serializer = new ODataJsonLightValueSerializer(context);
return(serializer);
}
private object WriteThenReadValue(object clrValue, IEdmTypeReference typeReference, ODataVersion version, bool isIeee754Compatible)
{
MemoryStream stream = new MemoryStream();
ODataMessageWriterSettings settings = new ODataMessageWriterSettings {
Version = version
};
settings.SetServiceDocumentUri(new Uri("http://odata.org/test/"));
ODataMediaType mediaType = isIeee754Compatible
? new ODataMediaType("application", "json", new KeyValuePair <string, string>("IEEE754Compatible", "true"))
: new ODataMediaType("application", "json");
using (ODataJsonLightOutputContext outputContext = new ODataJsonLightOutputContext(
ODataFormat.Json,
new NonDisposingStream(stream),
mediaType,
Encoding.UTF8,
settings,
/*writingResponse*/ true,
/*synchronous*/ true,
this.model,
/*urlResolver*/ null))
{
ODataJsonLightValueSerializer serializer = new ODataJsonLightValueSerializer(outputContext);
serializer.WritePrimitiveValue(clrValue, typeReference);
}
stream.Position = 0;
object actualValue;
using (ODataJsonLightInputContext inputContext = new ODataJsonLightInputContext(
ODataFormat.Json,
stream,
mediaType,
Encoding.UTF8,
new ODataMessageReaderSettings(),
/*readingResponse*/ true,
/*synchronous*/ true,
this.model,
/*urlResolver*/ null))
{
ODataJsonLightPropertyAndValueDeserializer deserializer = new ODataJsonLightPropertyAndValueDeserializer(inputContext);
deserializer.JsonReader.Read();
actualValue = deserializer.ReadNonEntityValue(
/*payloadTypeName*/ null,
typeReference,
/*duplicatePropertyNamesChecker*/ null,
/*collectionValidator*/ null,
/*validateNullValue*/ true,
/*isTopLevel*/ true,
/*insideComplexValue*/ false,
/*propertyName*/ null);
}
return(actualValue);
}
/// <summary>
/// Constructs a <see cref="JsonLightInstanceAnnotationWriter"/> that can write a collection of <see cref="ODataInstanceAnnotation"/>.
/// </summary>
/// <param name="valueSerializer">The <see cref="ODataJsonLightValueSerializer"/> to use for writing values of instance annotations.
/// The <see cref="IJsonWriter"/> that is also used internally will be acquired from the this instance.</param>
/// <param name="typeNameOracle">The oracle to use to determine the type name to write for entries and values.</param>
internal JsonLightInstanceAnnotationWriter(ODataJsonLightValueSerializer valueSerializer, JsonLightTypeNameOracle typeNameOracle)
{
Debug.Assert(valueSerializer != null, "valueSerializer should not be null");
this.valueSerializer = valueSerializer;
this.typeNameOracle = typeNameOracle;
this.jsonWriter = this.valueSerializer.JsonWriter;
this.odataAnnotationWriter = new JsonLightODataAnnotationWriter(this.jsonWriter,
valueSerializer.JsonLightOutputContext.ODataSimplifiedOptions.EnableWritingODataAnnotationWithoutPrefix, this.valueSerializer.MessageWriterSettings.Version);
this.writerValidator = this.valueSerializer.MessageWriterSettings.Validator;
}
/// <summary>
/// Constructs a <see cref="JsonLightInstanceAnnotationWriter"/> that can write a collection of <see cref="ODataInstanceAnnotation"/>.
/// </summary>
/// <param name="valueSerializer">The <see cref="ODataJsonLightValueSerializer"/> to use for writing values of instance annotations.
/// The <see cref="IJsonWriter"/> that is also used internally will be acquired from the this instance.</param>
/// <param name="typeNameOracle">The oracle to use to determine the type name to write for entries and values.</param>
internal JsonLightInstanceAnnotationWriter(ODataJsonLightValueSerializer valueSerializer, JsonLightTypeNameOracle typeNameOracle)
{
Debug.Assert(valueSerializer != null, "valueSerializer should not be null");
this.valueSerializer = valueSerializer;
this.typeNameOracle = typeNameOracle;
this.jsonWriter = this.valueSerializer.JsonWriter;
this.odataAnnotationWriter = this.valueSerializer.ODataAnnotationWriter;
this.asynchronousJsonWriter = this.valueSerializer.AsynchronousJsonWriter;
this.asynchronousODataAnnotationWriter = this.valueSerializer.AsynchronousODataAnnotationWriter;
this.writerValidator = this.valueSerializer.MessageWriterSettings.Validator;
}
/// <summary>
/// Write a literal value in JSON Light format.
/// </summary>
/// <param name="model">EDM Model to use for validation and type lookups.</param>
/// <param name="messageWriterSettings">Settings to use when writing.</param>
/// <param name="textWriter">TextWriter to use as the output for the value.</param>
/// <param name="writeValue">Delegate to use to actually write the value.</param>
private static void WriteJsonLightLiteral(IEdmModel model, ODataMessageWriterSettings messageWriterSettings, TextWriter textWriter, Action <ODataJsonLightValueSerializer> writeValue)
{
// Calling dispose since it's the right thing to do, but when created from a custom-built TextWriter
// the output context Dispose will not actually dispose anything, it will just cleanup itself.
using (ODataJsonLightOutputContext jsonOutputContext = new ODataJsonLightOutputContext(ODataFormat.Json, textWriter, messageWriterSettings, model))
{
ODataJsonLightValueSerializer jsonLightValueSerializer = new ODataJsonLightValueSerializer(jsonOutputContext);
writeValue(jsonLightValueSerializer);
jsonLightValueSerializer.AssertRecursionDepthIsZero();
}
}
/// <summary>
/// Write a literal value in JSON Light format.
/// </summary>
/// <param name="model">EDM Model to use for validation and type lookups.</param>
/// <param name="messageWriterSettings">Settings to use when writing.</param>
/// <param name="textWriter">TextWriter to use as the output for the value.</param>
/// <param name="writeValue">Delegate to use to actually write the value.</param>
private static void WriteJsonLightLiteral(IEdmModel model, ODataMessageWriterSettings messageWriterSettings, TextWriter textWriter, Action <ODataJsonLightValueSerializer> writeValue)
{
// Calling dispose since it's the right thing to do, but when created from a custom-built TextWriter
// the output context Dispose will not actually dispose anything, it will just cleanup itself.
// TODO: URI parser will also support DI container in the future but set the container to null at this moment.
ODataMessageInfo messageInfo = new ODataMessageInfo
{
Model = model,
IsAsync = false,
IsResponse = false
};
using (ODataJsonLightOutputContext jsonOutputContext =
new ODataJsonLightOutputContext(textWriter, messageInfo, messageWriterSettings))
{
ODataJsonLightValueSerializer jsonLightValueSerializer = new ODataJsonLightValueSerializer(jsonOutputContext);
writeValue(jsonLightValueSerializer);
jsonLightValueSerializer.AssertRecursionDepthIsZero();
}
}
private ODataJsonLightValueSerializer CreateODataJsonLightValueSerializer(bool writingResponse, IServiceProvider container = null)
{
var messageInfo = new ODataMessageInfo
{
MessageStream = stream,
MediaType = new ODataMediaType("application", "json"),
#if NETCOREAPP1_1
Encoding = Encoding.GetEncoding(0),
#else
Encoding = Encoding.Default,
#endif
IsResponse = writingResponse,
IsAsync = false,
Model = model,
Container = container
};
var context = new ODataJsonLightOutputContext(messageInfo, settings);
var serializer = new ODataJsonLightValueSerializer(context);
return(serializer);
}
private JsonLightInstanceAnnotationWriter CreateJsonLightInstanceAnnotationWriter(bool writingResponse, IServiceProvider container = null, bool isAsync = false)
{
var messageInfo = new ODataMessageInfo
{
MessageStream = this.stream,
MediaType = new ODataMediaType("application", "json"),
#if NETCOREAPP1_1
Encoding = Encoding.GetEncoding(0),
#else
Encoding = Encoding.Default,
#endif
IsResponse = writingResponse,
IsAsync = isAsync,
Model = model,
Container = container
};
var context = new ODataJsonLightOutputContext(messageInfo, this.settings);
this.jsonLightValueSerializer = new ODataJsonLightValueSerializer(context);
return(new JsonLightInstanceAnnotationWriter(this.jsonLightValueSerializer, new JsonMinimalMetadataTypeNameOracle()));
}
private static string WriteInstanceAnnotation(ODataInstanceAnnotation instanceAnnotation, IEdmModel model)
{
var stringWriter = new StringWriter();
var outputContext = new ODataJsonLightOutputContext(
ODataFormat.Json,
stringWriter,
new ODataMessageWriterSettings {
Version = ODataVersion.V4, ShouldIncludeAnnotation = ODataUtils.CreateAnnotationFilter("*")
},
model);
var valueSerializer = new ODataJsonLightValueSerializer(outputContext);
// The JSON Writer will complain if there is no active scope, so start an object scope.
valueSerializer.JsonWriter.StartObjectScope();
var instanceAnnotationWriter = new JsonLightInstanceAnnotationWriter(valueSerializer, new JsonMinimalMetadataTypeNameOracle());
// The method under test.
instanceAnnotationWriter.WriteInstanceAnnotation(instanceAnnotation);
valueSerializer.JsonWriter.EndObjectScope();
return(stringWriter.ToString());
}
private object WriteThenReadValue(object clrValue, IEdmTypeReference typeReference, ODataVersion version, bool isIeee754Compatible)
{
var stream = new MemoryStream();
var settings = new ODataMessageWriterSettings {
Version = version
};
settings.SetServiceDocumentUri(new Uri("http://odata.org/test/"));
var mediaType = isIeee754Compatible
? new ODataMediaType("application", "json", new KeyValuePair <string, string>("IEEE754Compatible", "true"))
: new ODataMediaType("application", "json");
var messageInfoForWriter = new ODataMessageInfo
{
MessageStream = new NonDisposingStream(stream),
MediaType = mediaType,
Encoding = Encoding.UTF8,
IsResponse = true,
IsAsync = false,
Model = this.model,
Container = this.container
};
using (var outputContext = new ODataJsonLightOutputContext(messageInfoForWriter, settings))
{
var serializer = new ODataJsonLightValueSerializer(outputContext);
serializer.WritePrimitiveValue(clrValue, typeReference);
}
stream.Position = 0;
var messageInfoForReader = new ODataMessageInfo
{
Encoding = Encoding.UTF8,
IsResponse = true,
MediaType = mediaType,
IsAsync = false,
Model = this.model,
MessageStream = stream,
Container = this.container
};
object actualValue;
using (var inputContext = new ODataJsonLightInputContext(
messageInfoForReader, new ODataMessageReaderSettings()))
{
var deserializer = new ODataJsonLightPropertyAndValueDeserializer(inputContext);
deserializer.JsonReader.Read();
actualValue = deserializer.ReadNonEntityValue(
/*payloadTypeName*/ null,
typeReference,
/*propertyAndAnnotationCollector*/ null,
/*collectionValidator*/ null,
/*validateNullValue*/ true,
/*isTopLevel*/ true,
/*insideResourceValue*/ false,
/*propertyName*/ null);
}
return(actualValue);
}
private object WriteAsUntypedThenReadValue(string value, IEdmTypeReference typeReference, ODataVersion version)
{
var stream = new MemoryStream();
var settings = new ODataMessageWriterSettings {
Version = version
};
settings.SetServiceDocumentUri(new Uri("http://tempuri.org/"));
var mediaType = new ODataMediaType("application", "json");
var messageInfoForWriter = new ODataMessageInfo
{
MessageStream = new NonDisposingStream(stream),
MediaType = mediaType,
Encoding = Encoding.UTF8,
IsResponse = true,
IsAsync = false,
Model = this.model,
Container = this.container
};
using (var outputContext = new ODataJsonLightOutputContext(messageInfoForWriter, settings))
{
var serializer = new ODataJsonLightValueSerializer(outputContext);
// Writing the value as untyped it remains in its original form
serializer.WriteUntypedValue(new ODataUntypedValue {
RawValue = value
});
}
stream.Position = 0;
var messageInfoForReader = new ODataMessageInfo
{
Encoding = Encoding.UTF8,
IsResponse = true,
MediaType = mediaType,
IsAsync = false,
Model = this.model,
MessageStream = stream,
Container = this.container
};
object actualValue;
using (var inputContext = new ODataJsonLightInputContext(
messageInfoForReader, new ODataMessageReaderSettings()))
{
var deserializer = new ODataJsonLightPropertyAndValueDeserializer(inputContext);
deserializer.JsonReader.Read();
actualValue = deserializer.ReadNonEntityValue(
/*payloadTypeName*/ null,
typeReference,
/*propertyAndAnnotationCollector*/ null,
/*collectionValidator*/ null,
/*validateNullValue*/ true,
/*isTopLevel*/ true,
/*insideResourceValue*/ false,
/*propertyName*/ null);
}
return(actualValue);
}
