internal void WritePrimitiveValue(object value, CollectionWithoutExpectedTypeValidator collectionValidator, IEdmTypeReference expectedTypeReference)
        {
            IEdmPrimitiveTypeReference primitiveTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());

            if (collectionValidator != null)
            {
                if (primitiveTypeReference == null)
                {
                    throw new ODataException(Microsoft.Data.OData.Strings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
                }
                collectionValidator.ValidateCollectionItem(primitiveTypeReference.FullName(), EdmTypeKind.Primitive);
            }
            if (expectedTypeReference != null)
            {
                ValidationUtils.ValidateIsExpectedPrimitiveType(value, primitiveTypeReference, expectedTypeReference);
            }
            if ((primitiveTypeReference != null) && primitiveTypeReference.IsSpatial())
            {
                string typeName = primitiveTypeReference.FullName();
                PrimitiveConverter.Instance.WriteJson(value, base.JsonWriter, typeName, base.Version);
            }
            else
            {
                base.JsonWriter.WritePrimitiveValue(value, base.Version);
            }
        }
        /// <summary>
        /// Parses typed literals.
        /// </summary>
        /// <param name="expressionLexer">The expression lexer.</param>
        /// <param name="targetTypeReference">Expected type to be parsed.</param>
        /// <returns>The literal token produced by building the given literal.</returns>
        private static object ParseTypedLiteral(this ExpressionLexer expressionLexer, IEdmPrimitiveTypeReference targetTypeReference)
        {
            object targetValue;
            string reason;

            if (!UriPrimitiveTypeParser.TryUriStringToPrimitive(expressionLexer.CurrentToken.Text, targetTypeReference, out targetValue, out reason))
            {
                string message;

                if (reason == null)
                {
                    message = ODataErrorStrings.UriQueryExpressionParser_UnrecognizedLiteral(
                        targetTypeReference.FullName(),
                        expressionLexer.CurrentToken.Text,
                        expressionLexer.CurrentToken.Position,
                        expressionLexer.ExpressionText);
                }
                else
                {
                    message = ODataErrorStrings.UriQueryExpressionParser_UnrecognizedLiteralWithReason(
                        targetTypeReference.FullName(),
                        expressionLexer.CurrentToken.Text,
                        expressionLexer.CurrentToken.Position,
                        expressionLexer.ExpressionText,
                        reason);
                }

                throw new ODataException(message);
            }

            expressionLexer.NextToken();
            return(targetValue);
        }
Beispiel #3
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        internal void WritePrimitiveValue(object value, CollectionWithoutExpectedTypeValidator collectionValidator, IEdmTypeReference expectedTypeReference)
        {
            IEdmPrimitiveTypeReference primitiveTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());

            if (primitiveTypeReference == null)
            {
                throw new ODataException(Microsoft.Data.OData.Strings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
            }
            string collectionItemTypeName = primitiveTypeReference.FullName();

            if (collectionValidator != null)
            {
                collectionValidator.ValidateCollectionItem(collectionItemTypeName, EdmTypeKind.Primitive);
                if (string.CompareOrdinal(collectionValidator.ItemTypeNameFromCollection, collectionItemTypeName) == 0)
                {
                    collectionItemTypeName = null;
                }
            }
            if (expectedTypeReference != null)
            {
                ValidationUtils.ValidateIsExpectedPrimitiveType(value, primitiveTypeReference, expectedTypeReference);
            }
            if ((collectionItemTypeName != null) && (collectionItemTypeName != "Edm.String"))
            {
                this.WritePropertyTypeAttribute(collectionItemTypeName);
            }
            AtomValueUtils.WritePrimitiveValue(base.XmlWriter, value);
        }
        /// <summary>
        /// Gets the type name based on the given odata value.
        /// </summary>
        /// <param name="value">The value.</param>
        /// <param name="model">The model used to handle unsigned int conversions.</param>
        /// <returns>The type name for the context URI.</returns>
        private static string GetTypeNameForValue(ODataValue value, IEdmModel model)
        {
            if (value == null)
            {
                return(null);
            }

            // special identifier for null values.
            if (value.IsNullValue)
            {
                return(ODataConstants.ContextUriFragmentNull);
            }

            if (value.TypeAnnotation != null && !string.IsNullOrEmpty(value.TypeAnnotation.TypeName))
            {
                return(value.TypeAnnotation.TypeName);
            }

            var collectionValue = value as ODataCollectionValue;

            if (collectionValue != null)
            {
                return(EdmLibraryExtensions.GetCollectionTypeFullName(collectionValue.TypeName));
            }

            var enumValue = value as ODataEnumValue;

            if (enumValue != null)
            {
                return(enumValue.TypeName);
            }

            var untypedValue = value as ODataUntypedValue;

            if (untypedValue != null)
            {
                return(ODataConstants.ContextUriFragmentUntyped);
            }

            ODataPrimitiveValue primitive = value as ODataPrimitiveValue;

            if (primitive == null)
            {
                Debug.Assert(value is ODataStreamReferenceValue, "value is ODataStreamReferenceValue");
                throw new ODataException(Strings.ODataContextUriBuilder_StreamValueMustBePropertiesOfODataResource);
            }

            // Try convert to underlying type if the primitive value is unsigned int.
            IEdmTypeDefinitionReference typeDefinitionReference = model.ResolveUIntTypeDefinition(primitive.Value);

            if (typeDefinitionReference != null)
            {
                return(typeDefinitionReference.FullName());
            }

            IEdmPrimitiveTypeReference primitiveValueTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(primitive.Value.GetType());

            return(primitiveValueTypeReference == null ? null : primitiveValueTypeReference.FullName());
        }
        public void GetEdmPrimitiveType_ForClrType_WorksAsExpected_ForNonStandardPrimitive(Type clrType, string name, bool nullable)
        {
            // Arrange & Act
            IEdmPrimitiveTypeReference primitiveTypeReference = _mapper.GetEdmPrimitiveType(clrType);

            // Assert
            Assert.NotNull(primitiveTypeReference);
            Assert.Equal(name, primitiveTypeReference.FullName());
            Assert.Equal(nullable, primitiveTypeReference.IsNullable);
        }
Beispiel #6
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        internal static bool TryGetPrimitiveTypeName(object value, out string typeName)
        {
            IEdmPrimitiveTypeReference primitiveTypeReference = GetPrimitiveTypeReference(value.GetType());

            if (primitiveTypeReference == null)
            {
                typeName = null;
                return(false);
            }
            typeName = primitiveTypeReference.FullName();
            return(true);
        }
Beispiel #7
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        public void GetEdmPrimitiveTypeReferenceWorksAsExpectedForNonStandardPrimitive(Type clrType, string name, bool nullable)
        {
            // Arrange & Act
            IEdmPrimitiveTypeReference primitiveTypeReference = clrType.GetEdmPrimitiveTypeReference();
            IEdmPrimitiveType          primitiveType          = clrType.GetEdmPrimitiveType();

            // Assert
            Assert.NotNull(primitiveTypeReference);
            Assert.Same(primitiveTypeReference.Definition, primitiveType);
            Assert.Equal(name, primitiveTypeReference.FullName());
            Assert.Equal(nullable, primitiveTypeReference.IsNullable);
        }
        /// <summary>
        /// Writes a primitive value.
        /// Uses a registered primitive type converter to write the value if one is registered for the type, otherwise directly writes the value.
        /// </summary>
        /// <param name="value">The value to write.</param>
        /// <param name="collectionValidator">The collection validator instance.</param>
        /// <param name="expectedTypeReference">The expected type reference of the primitive value.</param>
        internal void WritePrimitiveValue(
            object value,
            CollectionWithoutExpectedTypeValidator collectionValidator,
            IEdmTypeReference expectedTypeReference)
        {
            DebugUtils.CheckNoExternalCallers();
            Debug.Assert(value != null, "value != null");

            IEdmPrimitiveTypeReference actualTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());

            if (collectionValidator != null)
            {
                if (actualTypeReference == null)
                {
                    throw new ODataException(o.Strings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
                }

                collectionValidator.ValidateCollectionItem(actualTypeReference.FullName(), EdmTypeKind.Primitive);
            }

            if (expectedTypeReference != null)
            {
                ValidationUtils.ValidateIsExpectedPrimitiveType(value, actualTypeReference, expectedTypeReference);
            }

            if (actualTypeReference != null && actualTypeReference.IsSpatial())
            {
                // For spatial types, we will always write the type name. This is consistent with complex types.
                string typeName = actualTypeReference.FullName();
                PrimitiveConverter.Instance.WriteJson(value, this.JsonWriter, typeName, this.Version);
            }
            else
            {
                this.JsonWriter.WritePrimitiveValue(value, this.Version);
            }
        }
Beispiel #9
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        /// <summary>
        /// Gets the type name from the given <paramref name="value"/>.
        /// </summary>
        /// <param name="value">The value to get the type name from. This can be an ODataPrimitiveValue, an ODataCollectionValue or a Clr primitive object.</param>
        /// <returns>The type name for the given <paramref name="value"/>.</returns>
        protected static string GetTypeNameFromValue(object value)
        {
            Debug.Assert(value != null, "value != null");

            ODataPrimitiveValue primitiveValue = value as ODataPrimitiveValue;

            if (primitiveValue != null)
            {
                // primitiveValueTypeReference == null means: the EDM type of the primitive value cannot be determined.
                // This could possibly be due to value being an unsigned int.
                // In this case, simply return null because:
                //   - If the property is regular property, the type is not needed since service model knows its exact type.
                //   - If the property is dynamic property, ODL does not support dynamic property containing unsigned int value
                //     since we don't know its underlying type as well as how to serialize it.
                IEdmPrimitiveTypeReference primitiveValueTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(primitiveValue.Value.GetType());
                return(primitiveValueTypeReference == null ? null : primitiveValueTypeReference.FullName());
            }

            ODataEnumValue enumValue = value as ODataEnumValue;

            if (enumValue != null)
            {
                return(enumValue.TypeName);
            }

            ODataResourceValue resourceValue = value as ODataResourceValue;

            if (resourceValue != null)
            {
                return(resourceValue.TypeName);
            }

            ODataCollectionValue collectionValue = value as ODataCollectionValue;

            if (collectionValue != null)
            {
                return(EdmLibraryExtensions.GetCollectionTypeFullName(collectionValue.TypeName));
            }

            IEdmPrimitiveTypeReference primitiveTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());

            if (primitiveTypeReference == null)
            {
                throw new ODataException(Strings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
            }

            return(primitiveTypeReference.FullName());
        }
Beispiel #10
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        private void VisitPrimitiveTypeReference(IEdmPrimitiveTypeReference reference)
        {
            string qualifiedName = reference.FullName();

            if (_types.ContainsKey(qualifiedName))
            {
                return;
            }

            IEdmPrimitiveType primitiveType = reference.PrimitiveDefinition();

            MetaPrimitiveType metaPrimitiveType = new MetaPrimitiveType();

            metaPrimitiveType.QualifiedName = qualifiedName;
            metaPrimitiveType.Name          = primitiveType.Name;
            _types[qualifiedName]           = metaPrimitiveType;
        }
        /// <summary>
        /// Parses typed literals.
        /// </summary>
        /// <param name="targetTypeReference">Expected type to be parsed.</param>
        /// <returns>The literal token produced by building the given literal.</returns>
        private object ParseTypedLiteral(IEdmPrimitiveTypeReference targetTypeReference)
        {
            object targetValue;

            if (!UriPrimitiveTypeParser.TryUriStringToPrimitive(this.CurrentToken.Text, targetTypeReference, out targetValue))
            {
                string message = o.Strings.UriQueryExpressionParser_UnrecognizedLiteral(
                    targetTypeReference.FullName(),
                    this.CurrentToken.Text,
                    this.CurrentToken.Position,
                    this.ExpressionText);
                throw ParseError(message);
            }

            this.NextToken();
            return(targetValue);
        }
Beispiel #12
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        internal static void AddTypeNameAnnotationAsNeeded(ODataPrimitiveValue primitive, IEdmPrimitiveTypeReference primitiveType,
                                                           ODataMetadataLevel metadataLevel)
        {
            // ODataLib normally has the caller decide whether or not to serialize properties by leaving properties
            // null when values should not be serialized. The TypeName property is different and should always be
            // provided to ODataLib to enable model validation. A separate annotation is used to decide whether or not
            // to serialize the type name (a null value prevents serialization).
            Contract.Assert(primitive != null);

            object value    = primitive.Value;
            string typeName = null; // Set null to force the type name not to serialize.

            // Provide the type name to serialize.
            if (!ShouldSuppressTypeNameSerialization(value, metadataLevel))
            {
                typeName = primitiveType.FullName();
            }

            primitive.TypeAnnotation = new ODataTypeAnnotation(typeName);
        }
Beispiel #13
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        /// <summary>
        /// Writes a primitive value.
        /// </summary>
        /// <param name="value">The value to write.</param>
        /// <param name="collectionValidator">The collection validator instance.</param>
        /// <param name="expectedTypeReference">The expected type of the primitive value.</param>
        internal void WritePrimitiveValue(
            object value,
            CollectionWithoutExpectedTypeValidator collectionValidator,
            IEdmTypeReference expectedTypeReference)
        {
            DebugUtils.CheckNoExternalCallers();
            Debug.Assert(value != null, "value != null");

            IEdmPrimitiveTypeReference primitiveTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());

            if (primitiveTypeReference == null)
            {
                throw new ODataException(o.Strings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
            }

            string typeName = primitiveTypeReference.FullName();

            if (collectionValidator != null)
            {
                collectionValidator.ValidateCollectionItem(typeName, EdmTypeKind.Primitive);

                if (string.CompareOrdinal(collectionValidator.ItemTypeNameFromCollection, typeName) == 0)
                {
                    typeName = null;
                }
            }

            if (expectedTypeReference != null)
            {
                ValidationUtils.ValidateIsExpectedPrimitiveType(value, primitiveTypeReference, expectedTypeReference);
            }

            if (typeName != null && typeName != Metadata.EdmConstants.EdmStringTypeName)
            {
                this.WritePropertyTypeAttribute(typeName);
            }

            AtomValueUtils.WritePrimitiveValue(this.XmlWriter, value);
        }
Beispiel #14
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        /// <summary>
        /// Writes a primitive value.
        /// </summary>
        /// <param name="value">The value to write.</param>
        /// <param name="collectionValidator">The collection validator instance.</param>
        /// <param name="expectedTypeReference">The expected type of the primitive value.</param>
        /// <param name="typeNameAnnotation">The optional type name annotation provided by the user on the OM for this primitive value. The annotation value will override whatever type name is being written.</param>
        internal void WritePrimitiveValue(
            object value,
            CollectionWithoutExpectedTypeValidator collectionValidator,
            IEdmTypeReference expectedTypeReference,
            SerializationTypeNameAnnotation typeNameAnnotation)
        {
            DebugUtils.CheckNoExternalCallers();
            Debug.Assert(value != null, "value != null");

            IEdmPrimitiveTypeReference primitiveTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());

            if (primitiveTypeReference == null)
            {
                throw new ODataException(ODataErrorStrings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
            }

            if (collectionValidator != null)
            {
                collectionValidator.ValidateCollectionItem(primitiveTypeReference.FullName(), EdmTypeKind.Primitive);
            }

            if (expectedTypeReference != null)
            {
                ValidationUtils.ValidateIsExpectedPrimitiveType(value, primitiveTypeReference, expectedTypeReference);
            }

            string collectionItemTypeName;
            string typeName = this.AtomOutputContext.TypeNameOracle.GetValueTypeNameForWriting(value, primitiveTypeReference, typeNameAnnotation, collectionValidator, out collectionItemTypeName);

            Debug.Assert(collectionItemTypeName == null, "collectionItemTypeName == null");

            if (typeName != null && typeName != EdmConstants.EdmStringTypeName)
            {
                this.WritePropertyTypeAttribute(typeName);
            }

            AtomValueUtils.WritePrimitiveValue(this.XmlWriter, value);
        }
Beispiel #15
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        /// <summary>
        /// Ensures a primitive type reference for a given primitive type kind.
        /// </summary>
        /// <param name="type">The possibly null type reference.</param>
        /// <param name="primitiveKindFromValue">The primitive type kind to ensure.</param>
        /// <returns>An <see cref="IEdmPrimitiveTypeReference"/> instance created for the <paramref name="primitiveKindFromValue"/>
        /// if <paramref name="type"/> is null; if <paramref name="type"/> is not null, validates it and then returns it.</returns>
        private static IEdmPrimitiveTypeReference EnsurePrimitiveType(IEdmPrimitiveTypeReference type, EdmPrimitiveTypeKind primitiveKindFromValue)
        {
            if (type == null)
            {
                type = EdmCoreModel.Instance.GetPrimitive(primitiveKindFromValue, /*isNullable*/ true);
            }
            else
            {
                EdmPrimitiveTypeKind primitiveKindFromType = type.PrimitiveDefinition().PrimitiveKind;

                if (primitiveKindFromType != primitiveKindFromValue)
                {
                    string typeName = type.FullName();
                    if (typeName == null)
                    {
                        throw new ODataException(ErrorStrings.EdmValueUtils_IncorrectPrimitiveTypeKindNoTypeName(primitiveKindFromType.ToString(), primitiveKindFromValue.ToString()));
                    }

                    throw new ODataException(ErrorStrings.EdmValueUtils_IncorrectPrimitiveTypeKind(typeName, primitiveKindFromValue.ToString(), primitiveKindFromType.ToString()));
                }
            }

            return(type);
        }
        internal static void AddTypeNameAnnotationAsNeeded(ODataPrimitiveValue primitive, IEdmPrimitiveTypeReference primitiveType,
                                                           ODataMetadataLevel metadataLevel)
        {
            // ODataLib normally has the caller decide whether or not to serialize properties by leaving properties
            // null when values should not be serialized. The TypeName property is different and should always be
            // provided to ODataLib to enable model validation. A separate annotation is used to decide whether or not
            // to serialize the type name (a null value prevents serialization).

            // Note that this annotation should not be used for Atom or JSON verbose formats, as it will interfere with
            // the correct default behavior for those formats.

            Contract.Assert(primitive != null);

            object value = primitive.Value;

            // Only add an annotation if we want to override ODataLib's default type name serialization behavior.
            if (ShouldAddTypeNameAnnotation(metadataLevel))
            {
                string typeName;

                // Provide the type name to serialize (or null to force it not to serialize).
                if (ShouldSuppressTypeNameSerialization(value, metadataLevel))
                {
                    typeName = null;
                }
                else
                {
                    typeName = primitiveType.FullName();
                }

                primitive.SetAnnotation <SerializationTypeNameAnnotation>(new SerializationTypeNameAnnotation
                {
                    TypeName = typeName
                });
            }
        }
Beispiel #17
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        /// <summary>
        /// Reads an annotation's value from the annotation value notation specified on the current element.
        /// </summary>
        /// <param name="expectedTypeReference">The expected type reference of the vocabulary term from the metadata.</param>
        /// <param name="attributeValueNotationTypeReference">The type reference indicated by the name of the attribute used in attribute value notation.
        ///   For example, if the attribute was called "string", this will be a reference to the string type.</param>
        /// <param name="attributeValueNotationAttributeName">The name of the attribute used by attribute avalue notation.</param>
        /// <param name="attributeValueNotationAttributeValue">The value of the attribute used by attribute value notation.</param>
        /// <param name="typeAttributeValue">The value of the "m:type" attribute on the annotation element.</param>
        /// <param name="positionedOnEmptyElement">true if the annotation element is empty, false otherwise.</param>
        /// <param name="model">The edm model instance.</param>
        /// <param name="messageReaderSettings">The message reader settings instance.</param>
        /// <returns>The primitive value represented on this element via attribute value notation.</returns>
        private static ODataPrimitiveValue GetValueFromAttributeValueNotation(
            IEdmTypeReference expectedTypeReference,
            IEdmPrimitiveTypeReference attributeValueNotationTypeReference,
            string attributeValueNotationAttributeName,
            string attributeValueNotationAttributeValue,
            string typeAttributeValue,
            bool positionedOnEmptyElement,
            IEdmModel model,
            ODataMessageReaderSettings messageReaderSettings)
        {
            Debug.Assert(attributeValueNotationTypeReference != null, "attributeValueNotationTypeReference != null");

            if (!positionedOnEmptyElement)
            {
                // If there is content in the body of the element, throw since it's ambiguous whether we should use the value from the attribute or the element content.
                throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedOnNonEmptyElement(attributeValueNotationAttributeName));
            }

            // If both m:type is present and attribute value notation is being used, they must match.
            // For example, if m:type is "Edm.Int32", but the "string" attribute is also present, we should throw.
            if (typeAttributeValue != null && !string.Equals(attributeValueNotationTypeReference.Definition.FullTypeName(), typeAttributeValue, StringComparison.Ordinal))
            {
                throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedWithIncompatibleType(typeAttributeValue, attributeValueNotationAttributeName));
            }

            IEdmTypeReference targetTypeReference = ReaderValidationUtils.ResolveAndValidatePrimitiveTargetType(
                expectedTypeReference,
                EdmTypeKind.Primitive,
                attributeValueNotationTypeReference.Definition,
                attributeValueNotationTypeReference.FullName(),
                attributeValueNotationTypeReference.Definition,
                model,
                messageReaderSettings);

            return(new ODataPrimitiveValue(AtomValueUtils.ConvertStringToPrimitive(attributeValueNotationAttributeValue, targetTypeReference.AsPrimitive())));
        }
        internal static void AddTypeNameAnnotationAsNeeded(ODataPrimitiveValue primitive, IEdmPrimitiveTypeReference primitiveType,
            ODataMetadataLevel metadataLevel)
        {
            // ODataLib normally has the caller decide whether or not to serialize properties by leaving properties
            // null when values should not be serialized. The TypeName property is different and should always be
            // provided to ODataLib to enable model validation. A separate annotation is used to decide whether or not
            // to serialize the type name (a null value prevents serialization).

            Contract.Assert(primitive != null);

            object value = primitive.Value;
            string typeName = null; // Set null to force the type name not to serialize.

            // Provide the type name to serialize.
            if (!ShouldSuppressTypeNameSerialization(value, metadataLevel))
            {
                typeName = primitiveType.FullName();
            }

            primitive.SetAnnotation<SerializationTypeNameAnnotation>(new SerializationTypeNameAnnotation
            {
                TypeName = typeName
            });
        }
Beispiel #19
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 private object ParseTypedLiteral(IEdmPrimitiveTypeReference targetTypeReference)
 {
     object obj2;
     if (!UriPrimitiveTypeParser.TryUriStringToPrimitive(this.CurrentToken.Text, targetTypeReference, out obj2))
     {
         throw ParseError(Microsoft.Data.OData.Strings.UriQueryExpressionParser_UnrecognizedLiteral(targetTypeReference.FullName(), this.CurrentToken.Text, this.CurrentToken.Position, this.ExpressionText));
     }
     this.NextToken();
     return obj2;
 }
Beispiel #20
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        private static object ConvertDoubleValue(double doubleValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference)
        {
            if (targetType == typeof(Single))
            {
                return(Convert.ToSingle(doubleValue));
            }

            if (targetType == typeof(Decimal))
            {
                decimal doubleToDecimalR;

                // To keep the full precision of the current value, which if necessary is all 17 digits of precision supported by the Double type.
                if (decimal.TryParse(doubleValue.ToString("R", CultureInfo.InvariantCulture),
                                     out doubleToDecimalR))
                {
                    return(doubleToDecimalR);
                }

                return(Convert.ToDecimal(doubleValue));
            }

            if (targetType != typeof(Double))
            {
                throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.FullName()));
            }

            return(doubleValue);
        }
        /// <summary>
        /// Verifies that the given <paramref name="primitiveValue"/> is or can be coerced to <paramref name="expectedTypeReference"/>, and coerces it if necessary.
        /// </summary>
        /// <param name="primitiveValue">An EDM primitive value to verify.</param>
        /// <param name="literalValue">The literal value that was parsed as this primitiveValue.</param>
        /// <param name="model">Model to verify against.</param>
        /// <param name="expectedTypeReference">Expected type reference.</param>
        /// <returns>Coerced version of the <paramref name="primitiveValue"/>.</returns>
        internal static object VerifyAndCoerceUriPrimitiveLiteral(
            object primitiveValue,
            string literalValue,
            IEdmModel model,
            IEdmTypeReference expectedTypeReference)
        {
            ExceptionUtils.CheckArgumentNotNull(primitiveValue, "primitiveValue");
            ExceptionUtils.CheckArgumentNotNull(literalValue, "literalValue");
            ExceptionUtils.CheckArgumentNotNull(model, "model");
            ExceptionUtils.CheckArgumentNotNull(expectedTypeReference, "expectedTypeReference");

            // First deal with null literal
            ODataNullValue nullValue = primitiveValue as ODataNullValue;

            if (nullValue != null)
            {
                if (!expectedTypeReference.IsNullable)
                {
                    throw new ODataException(ODataErrorStrings.ODataUriUtils_ConvertFromUriLiteralNullOnNonNullableType(expectedTypeReference.FullName()));
                }

                return(nullValue);
            }

            // Only other positive case is a numeric primitive that needs to be coerced
            IEdmPrimitiveTypeReference expectedPrimitiveTypeReference = expectedTypeReference.AsPrimitiveOrNull();

            if (expectedPrimitiveTypeReference == null)
            {
                throw new ODataException(ODataErrorStrings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(expectedTypeReference.FullName(), literalValue));
            }

            object coercedResult = CoerceNumericType(primitiveValue, expectedPrimitiveTypeReference.PrimitiveDefinition());

            if (coercedResult != null)
            {
                return(coercedResult);
            }

            // if expectedTypeReference is set, need to coerce cast
            coercedResult = CoerceTemporalType(primitiveValue, expectedPrimitiveTypeReference.PrimitiveDefinition());
            if (coercedResult != null)
            {
                return(coercedResult);
            }

            Type actualType = primitiveValue.GetType();
            Type targetType = TypeUtils.GetNonNullableType(EdmLibraryExtensions.GetPrimitiveClrType(expectedPrimitiveTypeReference));

            // If target type is assignable from actual type, we're OK
            if (targetType.IsAssignableFrom(actualType))
            {
                return(primitiveValue);
            }

            throw new ODataException(ODataErrorStrings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(expectedPrimitiveTypeReference.FullName(), literalValue));
        }
Beispiel #22
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        /// <summary>
        /// Ensures a primitive type reference for a given primitive type kind.
        /// </summary>
        /// <param name="type">The possibly null type reference.</param>
        /// <param name="primitiveKindFromValue">The primitive type kind to ensure.</param>
        /// <returns>An <see cref="IEdmPrimitiveTypeReference"/> instance created for the <paramref name="primitiveKindFromValue"/> 
        /// if <paramref name="type"/> is null; if <paramref name="type"/> is not null, validates it and then returns it.</returns>
        private static IEdmPrimitiveTypeReference EnsurePrimitiveType(IEdmPrimitiveTypeReference type, EdmPrimitiveTypeKind primitiveKindFromValue)
        {
            if (type == null)
            {
                type = EdmCoreModel.Instance.GetPrimitive(primitiveKindFromValue, /*isNullable*/ true);
            }
            else
            {
                EdmPrimitiveTypeKind primitiveKindFromType = type.PrimitiveDefinition().PrimitiveKind;

                if (primitiveKindFromType != primitiveKindFromValue)
                {
                    string typeName = type.FullName();
                    if (typeName == null)
                    {
                        throw new ODataException(ErrorStrings.EdmValueUtils_IncorrectPrimitiveTypeKindNoTypeName(primitiveKindFromType.ToString(), primitiveKindFromValue.ToString()));
                    }

                    throw new ODataException(ErrorStrings.EdmValueUtils_IncorrectPrimitiveTypeKind(typeName, primitiveKindFromValue.ToString(), primitiveKindFromType.ToString()));
                }
            }

            return type;
        }
        /// <summary>
        /// Converts the given JSON int value to the expected type as per OData conversion rules for JSON values.
        /// </summary>
        /// <param name="intValue">Int32 value to the converted.</param>
        /// <param name="targetType">Target type to which the int value needs to be converted.</param>
        /// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
        /// <returns>Object which is in sync with the property type.</returns>
        private static object ConvertInt32Value(int intValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference)
        {
            if (targetType == typeof(Int16))
            {
                return Convert.ToInt16(intValue);
            }

            if (targetType == typeof(Byte))
            {
                return Convert.ToByte(intValue);
            }

            if (targetType == typeof(SByte))
            {
                return Convert.ToSByte(intValue);
            }

            if (targetType == typeof(Single))
            {
                return Convert.ToSingle(intValue);
            }

            if (targetType == typeof(Double))
            {
                return Convert.ToDouble(intValue);
            }

            if (targetType == typeof(Decimal))
            {
                return Convert.ToDecimal(intValue);
            }

            if (targetType == typeof(Int64))
            {
                return Convert.ToInt64(intValue);
            }

            if (targetType != typeof(Int32))
            {
                throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertInt32(primitiveTypeReference.FullName()));
            }

            return intValue;
        }
        /// <summary>
        /// Reads a primitive value.
        /// </summary>
        /// <param name="insideJsonObjectValue">true if the reader is positioned on the first property of the value which is a JSON Object 
        ///     (or the second property if the first one was odata.type).</param>
        /// <param name="expectedValueTypeReference">The expected type reference of the value, or null if none is available.</param>
        /// <param name="validateNullValue">true to validate null values; otherwise false.</param>
        /// <param name="propertyName">The name of the property whose value is being read, if applicable (used for error reporting).</param>
        /// <returns>The value of the primitive value.</returns>
        /// <remarks>
        /// Pre-Condition:  insideJsonObjectValue == false -> none - Fails if the current node is not a JsonNodeType.PrimitiveValue
        ///                 insideJsonObjectValue == true -> JsonNodeType.Property or JsonNodeType.EndObject - the first property of the value object,
        ///                     or the second property if first was odata.type, or the end-object.
        /// Post-Condition: almost anything - the node after the primitive value.
        /// </remarks>
        private object ReadPrimitiveValue(bool insideJsonObjectValue, IEdmPrimitiveTypeReference expectedValueTypeReference, bool validateNullValue, string propertyName)
        {
            object result;

            if (expectedValueTypeReference != null && expectedValueTypeReference.IsSpatial())
            {
                result = ODataJsonReaderCoreUtils.ReadSpatialValue(
                    this.JsonReader,
                    insideJsonObjectValue,
                    this.JsonLightInputContext,
                    expectedValueTypeReference,
                    validateNullValue,
                    this.recursionDepth,
                    propertyName);
            }
            else
            {
                if (insideJsonObjectValue)
                {
                    // We manually throw JSON exception here to get a nicer error message (we expect primitive value and got object).
                    // Otherwise the ReadPrimitiveValue would fail with something like "expected primitive value but found property/end object" which is rather confusing.
                    throw new ODataException(ODataErrorStrings.JsonReaderExtensions_UnexpectedNodeDetectedWithPropertyName(JsonNodeType.PrimitiveValue, JsonNodeType.StartObject, propertyName));
                }

                result = this.JsonReader.ReadPrimitiveValue();

                if (expectedValueTypeReference != null)
                {
                    if ((expectedValueTypeReference.IsDecimal() || expectedValueTypeReference.IsInt64())
                        && result != null)
                    {
                        if ((result is string) ^ this.JsonReader.IsIeee754Compatible)
                        {
                            throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_ConflictBetweenInputFormatAndParameter(expectedValueTypeReference.FullName()));
                        }
                    }

                    result = ODataJsonLightReaderUtils.ConvertValue(
                        result,
                        expectedValueTypeReference,
                        this.MessageReaderSettings,
                        validateNullValue,
                        propertyName,
                        this.Model.GetPayloadValueConverter());
                }
                else
                {
                    if (result is Decimal)
                    {
                        // convert decimal back to double to follow legacy logic when target type is not specified and IEEE754Compatible=false.
                        // we may lose precision for some range of int64 and decimal.
                        return Convert.ToDouble((Decimal)result);
                    }
                }
            }

            return result;
        }
        /// <summary>
        /// Parses typed literals.
        /// </summary>
        /// <param name="targetTypeReference">Expected type to be parsed.</param>
        /// <returns>The literal token produced by building the given literal.</returns>
        private object ParseTypedLiteral(IEdmPrimitiveTypeReference targetTypeReference)
        {
            object targetValue;
            if (!UriPrimitiveTypeParser.TryUriStringToPrimitive(this.CurrentToken.Text, targetTypeReference, out targetValue))
            {
                string message = o.Strings.UriQueryExpressionParser_UnrecognizedLiteral(
                    targetTypeReference.FullName(),
                    this.CurrentToken.Text,
                    this.CurrentToken.Position,
                    this.ExpressionText);
                throw ParseError(message);
            }

            this.NextToken();
            return targetValue;
        }
        /// <summary>
        /// Creates an exception used when primitive type conversion fails.
        /// </summary>
        /// <param name="targetTypeReference">The target type reference to which the conversion failed.</param>
        /// <param name="innerException">Possible inner exception with more information about the failure.</param>
        /// <param name="stringValue">The string representation for the value.</param>
        /// <returns>The exception object to throw.</returns>
        internal static ODataException GetPrimitiveTypeConversionException(IEdmPrimitiveTypeReference targetTypeReference, Exception innerException, string stringValue)
        {
            Debug.Assert(targetTypeReference != null, "targetTypeReference != null");

            return new ODataException(Strings.ReaderValidationUtils_CannotConvertPrimitiveValue(stringValue, targetTypeReference.FullName()), innerException);
        }
        /// <summary>
        /// Converts the given JSON int value to the expected type as per OData conversion rules for JSON values.
        /// </summary>
        /// <param name="intValue">Int32 value to the converted.</param>
        /// <param name="targetType">Target type to which the int value needs to be converted.</param>
        /// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
        /// <returns>Object which is in sync with the property type.</returns>
        private static object ConvertInt32Value(int intValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference)
        {
            if (targetType == typeof(Int16))
            {
                return(Convert.ToInt16(intValue));
            }

            if (targetType == typeof(Byte))
            {
                return(Convert.ToByte(intValue));
            }

            if (targetType == typeof(SByte))
            {
                return(Convert.ToSByte(intValue));
            }

            if (targetType == typeof(Single))
            {
                return(Convert.ToSingle(intValue));
            }

            if (targetType == typeof(Double))
            {
                return(Convert.ToDouble(intValue));
            }

            if (targetType == typeof(Decimal))
            {
                return(Convert.ToDecimal(intValue));
            }

            if (targetType == typeof(Int64))
            {
                return(Convert.ToInt64(intValue));
            }

            if (targetType != typeof(Int32))
            {
                throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertInt32(primitiveTypeReference.FullName()));
            }

            return(intValue);
        }
Beispiel #28
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        private object ParseTypedLiteral(IEdmPrimitiveTypeReference targetTypeReference)
        {
            object obj2;

            if (!UriPrimitiveTypeParser.TryUriStringToPrimitive(this.CurrentToken.Text, targetTypeReference, out obj2))
            {
                throw ParseError(Microsoft.Data.OData.Strings.UriQueryExpressionParser_UnrecognizedLiteral(targetTypeReference.FullName(), this.CurrentToken.Text, this.CurrentToken.Position, this.ExpressionText));
            }
            this.NextToken();
            return(obj2);
        }
        /// <summary>
        /// Parses typed literals.
        /// </summary>
        /// <param name="expressionLexer">The expression lexer.</param>
        /// <param name="targetTypeReference">Expected type to be parsed.</param>
        /// <returns>The literal token produced by building the given literal.</returns>
        private static object ParseTypedLiteral(this ExpressionLexer expressionLexer, IEdmPrimitiveTypeReference targetTypeReference)
        {
            object targetValue;
            string reason;
            if (!UriPrimitiveTypeParser.TryUriStringToPrimitive(expressionLexer.CurrentToken.Text, targetTypeReference, out targetValue, out reason))
            {
                string message;

                if (reason == null)
                {
                    message = ODataErrorStrings.UriQueryExpressionParser_UnrecognizedLiteral(
                        targetTypeReference.FullName(),
                        expressionLexer.CurrentToken.Text,
                        expressionLexer.CurrentToken.Position,
                        expressionLexer.ExpressionText);
                }
                else
                {
                    message = ODataErrorStrings.UriQueryExpressionParser_UnrecognizedLiteralWithReason(
                        targetTypeReference.FullName(),
                        expressionLexer.CurrentToken.Text,
                        expressionLexer.CurrentToken.Position,
                        expressionLexer.ExpressionText,
                        reason);
                }

                throw new ODataException(message);
            }

            expressionLexer.NextToken();
            return targetValue;
        }
        internal static void AddTypeNameAnnotationAsNeeded(ODataPrimitiveValue primitive, IEdmPrimitiveTypeReference primitiveType,
            ODataMetadataLevel metadataLevel)
        {
            // ODataLib normally has the caller decide whether or not to serialize properties by leaving properties
            // null when values should not be serialized. The TypeName property is different and should always be
            // provided to ODataLib to enable model validation. A separate annotation is used to decide whether or not
            // to serialize the type name (a null value prevents serialization).

            // Note that this annotation should not be used for Atom or JSON verbose formats, as it will interfere with
            // the correct default behavior for those formats.

            Contract.Assert(primitive != null);

            object value = primitive.Value;

            // Only add an annotation if we want to override ODataLib's default type name serialization behavior.
            if (ShouldAddTypeNameAnnotation(metadataLevel))
            {
                string typeName;

                // Provide the type name to serialize (or null to force it not to serialize).
                if (ShouldSuppressTypeNameSerialization(value, metadataLevel))
                {
                    typeName = null;
                }
                else
                {
                    typeName = primitiveType.FullName();
                }

                primitive.SetAnnotation<SerializationTypeNameAnnotation>(new SerializationTypeNameAnnotation
                {
                    TypeName = typeName
                });
            }
        }
        /// <summary>
        /// Reads an annotation's value from the annotation value notation specified on the current element. 
        /// </summary>
        /// <param name="expectedTypeReference">The expected type reference of the vocabulary term from the metadata.</param>
        /// <param name="attributeValueNotationTypeReference">The type reference indicated by the name of the attribute used in attribute value notation. 
        ///   For example, if the attribute was called "string", this will be a reference to the string type.</param>
        /// <param name="attributeValueNotationAttributeName">The name of the attribute used by attribute avalue notation.</param>
        /// <param name="attributeValueNotationAttributeValue">The value of the attribute used by attribute value notation.</param>
        /// <param name="typeAttributeValue">The value of the "m:type" attribute on the annotation element.</param>
        /// <param name="positionedOnEmptyElement">true if the annotation element is empty, false otherwise.</param>
        /// <param name="model">The edm model instance.</param>
        /// <param name="messageReaderSettings">The message reader settings instance.</param>
        /// <returns>The primitive value represented on this element via attribute value notation.</returns>
        private static ODataPrimitiveValue GetValueFromAttributeValueNotation(
            IEdmTypeReference expectedTypeReference,
            IEdmPrimitiveTypeReference attributeValueNotationTypeReference,
            string attributeValueNotationAttributeName,
            string attributeValueNotationAttributeValue,
            string typeAttributeValue,
            bool positionedOnEmptyElement,
            IEdmModel model,
            ODataMessageReaderSettings messageReaderSettings)
        {
            Debug.Assert(attributeValueNotationTypeReference != null, "attributeValueNotationTypeReference != null");

            if (!positionedOnEmptyElement)
            {
                // If there is content in the body of the element, throw since it's ambiguous whether we should use the value from the attribute or the element content.
                throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedOnNonEmptyElement(attributeValueNotationAttributeName));
            }

            // If both m:type is present and attribute value notation is being used, they must match.
            // For example, if m:type is "Edm.Int32", but the "string" attribute is also present, we should throw.
            if (typeAttributeValue != null && !string.Equals(attributeValueNotationTypeReference.Definition.FullTypeName(), typeAttributeValue, StringComparison.Ordinal))
            {
                throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedWithIncompatibleType(typeAttributeValue, attributeValueNotationAttributeName));
            }
            
            IEdmTypeReference targetTypeReference = ReaderValidationUtils.ResolveAndValidatePrimitiveTargetType(
                expectedTypeReference,
                EdmTypeKind.Primitive,
                attributeValueNotationTypeReference.Definition,
                attributeValueNotationTypeReference.FullName(),
                attributeValueNotationTypeReference.Definition,
                model,
                messageReaderSettings);
            return new ODataPrimitiveValue(AtomValueUtils.ConvertStringToPrimitive(attributeValueNotationAttributeValue, targetTypeReference.AsPrimitive()));
        }
        /// <summary>
        /// Converts the given payload value to the type defined in a type definition.
        /// </summary>
        /// <param name="value">The given payload value.</param>
        /// <param name="edmTypeReference">The expected type reference from model.</param>
        /// <returns>The converted value of the type.</returns>
        public virtual object ConvertFromPayloadValue(object value, IEdmTypeReference edmTypeReference)
        {
            IEdmPrimitiveTypeReference primitiveTypeReference = edmTypeReference as IEdmPrimitiveTypeReference;

            Debug.Assert(primitiveTypeReference != null, "primitiveTypeReference != null");
            if (primitiveTypeReference.PrimitiveKind() == EdmPrimitiveTypeKind.PrimitiveType)
            {
                return(value);
            }

            try
            {
                Type targetType = EdmLibraryExtensions.GetPrimitiveClrType(primitiveTypeReference.PrimitiveDefinition(), false);

                string stringValue = value as string;
                if (stringValue != null)
                {
                    return(ConvertStringValue(stringValue, targetType));
                }
                else if (value is Int32)
                {
                    return(ConvertInt32Value((int)value, targetType, primitiveTypeReference));
                }
                else if (value is Decimal)
                {
                    Decimal decimalValue = (Decimal)value;
                    if (targetType == typeof(Int64))
                    {
                        return(Convert.ToInt64(decimalValue));
                    }

                    if (targetType == typeof(Double))
                    {
                        return(Convert.ToDouble(decimalValue));
                    }

                    if (targetType == typeof(Single))
                    {
                        return(Convert.ToSingle(decimalValue));
                    }

                    if (targetType != typeof(Decimal))
                    {
                        throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDecimal(primitiveTypeReference.FullName()));
                    }
                }
                else if (value is Double)
                {
                    Double doubleValue = (Double)value;
                    if (targetType == typeof(Single))
                    {
                        return(Convert.ToSingle(doubleValue));
                    }

                    if (targetType != typeof(Double))
                    {
                        throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.FullName()));
                    }
                }
                else if (value is bool)
                {
                    if (targetType != typeof(bool))
                    {
                        throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertBoolean(primitiveTypeReference.FullName()));
                    }
                }
                else if (value is DateTime)
                {
                    if (targetType != typeof(DateTime))
                    {
                        throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.FullName()));
                    }
                }
                else if (value is DateTimeOffset)
                {
                    if (targetType != typeof(DateTimeOffset))
                    {
                        throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTimeOffset(primitiveTypeReference.FullName()));
                    }
                }
            }
            catch (Exception e)
            {
                if (!ExceptionUtils.IsCatchableExceptionType(e))
                {
                    throw;
                }

                throw ReaderValidationUtils.GetPrimitiveTypeConversionException(primitiveTypeReference, e, value.ToString());
            }

            // otherwise just return the value without doing any conversion
            return(value);
        }