コード例 #1
0
 private void WriteProperty(ODataProperty property, IEdmStructuredType owningType, bool allowStreamProperty, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker, ProjectedPropertiesAnnotation projectedProperties)
 {
     WriterValidationUtils.ValidatePropertyNotNull(property);
     if (!projectedProperties.ShouldSkipProperty(property.Name))
     {
         WriterValidationUtils.ValidateProperty(property);
         duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
         IEdmProperty expectedProperty = WriterValidationUtils.ValidatePropertyDefined(property.Name, owningType);
         if (((expectedProperty != null) && expectedProperty.Type.IsSpatial()) || ((expectedProperty == null) && (property.Value is ISpatial)))
         {
             ODataVersionChecker.CheckSpatialValue(base.Version);
         }
         base.JsonWriter.WriteName(property.Name);
         object obj2 = property.Value;
         if (obj2 == null)
         {
             WriterValidationUtils.ValidateNullPropertyValue(expectedProperty, base.MessageWriterSettings.WriterBehavior, base.Model);
             base.JsonWriter.WriteValue((string)null);
         }
         else
         {
             bool isOpenPropertyType = ((owningType != null) && owningType.IsOpen) && (expectedProperty == null);
             if (isOpenPropertyType)
             {
                 ValidationUtils.ValidateOpenPropertyValue(property.Name, obj2);
             }
             IEdmTypeReference propertyTypeReference = (expectedProperty == null) ? null : expectedProperty.Type;
             ODataComplexValue complexValue          = obj2 as ODataComplexValue;
             if (complexValue != null)
             {
                 this.WriteComplexValue(complexValue, propertyTypeReference, isOpenPropertyType, base.CreateDuplicatePropertyNamesChecker(), null);
             }
             else
             {
                 ODataCollectionValue collectionValue = obj2 as ODataCollectionValue;
                 if (collectionValue != null)
                 {
                     ODataVersionChecker.CheckCollectionValueProperties(base.Version, property.Name);
                     this.WriteCollectionValue(collectionValue, propertyTypeReference, isOpenPropertyType);
                 }
                 else if (obj2 is ODataStreamReferenceValue)
                 {
                     if (!allowStreamProperty)
                     {
                         throw new ODataException(Microsoft.Data.OData.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(property.Name));
                     }
                     WriterValidationUtils.ValidateStreamReferenceProperty(property, expectedProperty, base.Version, base.WritingResponse);
                     this.WriteStreamReferenceValue((ODataStreamReferenceValue)property.Value);
                 }
                 else
                 {
                     this.WritePrimitiveValue(obj2, null, propertyTypeReference);
                 }
             }
         }
     }
 }
コード例 #2
0
        /// <summary>
        /// Writes a stream property to the ATOM payload
        /// </summary>
        /// <param name="streamProperty">The stream property to create the payload for.</param>
        /// <param name="owningType">The <see cref="IEdmEntityType"/> instance for which the stream property defined on.</param>
        /// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
        /// <param name="projectedProperties">Set of projected properties, or null if all properties should be written.</param>
        internal void WriteStreamProperty(
            ODataProperty streamProperty,
            IEdmEntityType owningType,
            DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
            ProjectedPropertiesAnnotation projectedProperties)
        {
            DebugUtils.CheckNoExternalCallers();
            Debug.Assert(streamProperty != null, "Stream property must not be null.");
            Debug.Assert(streamProperty.Value != null, "The media resource of the stream property must not be null.");

            WriterValidationUtils.ValidatePropertyNotNull(streamProperty);
            string propertyName = streamProperty.Name;

            if (projectedProperties.ShouldSkipProperty(propertyName))
            {
                return;
            }

            WriterValidationUtils.ValidateProperty(streamProperty);
            duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(streamProperty);
            IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(streamProperty.Name, owningType);

            WriterValidationUtils.ValidateStreamReferenceProperty(streamProperty, edmProperty, this.Version, this.WritingResponse);
            ODataStreamReferenceValue streamReferenceValue = (ODataStreamReferenceValue)streamProperty.Value;

            if (owningType != null && owningType.IsOpen && edmProperty == null)
            {
                ValidationUtils.ValidateOpenPropertyValue(streamProperty.Name, streamReferenceValue);
            }

            AtomStreamReferenceMetadata streamReferenceMetadata = streamReferenceValue.GetAnnotation <AtomStreamReferenceMetadata>();
            string contentType = streamReferenceValue.ContentType;
            string linkTitle   = streamProperty.Name;

            Uri readLink = streamReferenceValue.ReadLink;

            if (readLink != null)
            {
                string readLinkRelation = AtomUtils.ComputeStreamPropertyRelation(streamProperty, false);

                AtomLinkMetadata readLinkMetadata = streamReferenceMetadata == null ? null : streamReferenceMetadata.SelfLink;
                AtomLinkMetadata mergedMetadata   = ODataAtomWriterMetadataUtils.MergeLinkMetadata(readLinkMetadata, readLinkRelation, readLink, linkTitle, contentType);
                this.atomEntryMetadataSerializer.WriteAtomLink(mergedMetadata, null /* etag */);
            }

            Uri editLink = streamReferenceValue.EditLink;

            if (editLink != null)
            {
                string editLinkRelation = AtomUtils.ComputeStreamPropertyRelation(streamProperty, true);

                AtomLinkMetadata editLinkMetadata = streamReferenceMetadata == null ? null : streamReferenceMetadata.EditLink;
                AtomLinkMetadata mergedMetadata   = ODataAtomWriterMetadataUtils.MergeLinkMetadata(editLinkMetadata, editLinkRelation, editLink, linkTitle, contentType);
                this.atomEntryMetadataSerializer.WriteAtomLink(mergedMetadata, streamReferenceValue.ETag);
            }
        }
コード例 #3
0
        internal void WriteStreamProperty(ODataProperty streamProperty, IEdmEntityType owningType, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker, ProjectedPropertiesAnnotation projectedProperties)
        {
            WriterValidationUtils.ValidatePropertyNotNull(streamProperty);
            string name = streamProperty.Name;

            if (!projectedProperties.ShouldSkipProperty(name))
            {
                WriterValidationUtils.ValidateProperty(streamProperty);
                duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(streamProperty);
                IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(streamProperty.Name, owningType);
                WriterValidationUtils.ValidateStreamReferenceProperty(streamProperty, edmProperty, base.Version, base.WritingResponse);
                ODataStreamReferenceValue value2 = (ODataStreamReferenceValue)streamProperty.Value;
                if (((owningType != null) && owningType.IsOpen) && (edmProperty == null))
                {
                    ValidationUtils.ValidateOpenPropertyValue(streamProperty.Name, value2);
                }
                AtomStreamReferenceMetadata annotation = value2.GetAnnotation <AtomStreamReferenceMetadata>();
                string contentType = value2.ContentType;
                string title       = streamProperty.Name;
                Uri    readLink    = value2.ReadLink;
                if (readLink != null)
                {
                    string           relation     = AtomUtils.ComputeStreamPropertyRelation(streamProperty, false);
                    AtomLinkMetadata metadata     = (annotation == null) ? null : annotation.SelfLink;
                    AtomLinkMetadata linkMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(metadata, relation, readLink, title, contentType);
                    this.atomEntryMetadataSerializer.WriteAtomLink(linkMetadata, null);
                }
                Uri editLink = value2.EditLink;
                if (editLink != null)
                {
                    string           str5      = AtomUtils.ComputeStreamPropertyRelation(streamProperty, true);
                    AtomLinkMetadata metadata4 = (annotation == null) ? null : annotation.EditLink;
                    AtomLinkMetadata metadata5 = ODataAtomWriterMetadataUtils.MergeLinkMetadata(metadata4, str5, editLink, title, contentType);
                    this.atomEntryMetadataSerializer.WriteAtomLink(metadata5, value2.ETag);
                }
            }
        }
コード例 #4
0
        /// <summary>
        /// Writes a name/value pair for a property.
        /// </summary>
        /// <param name="property">The property to write out.</param>
        /// <param name="owningType">The type owning the property (or null if no metadata is available).</param>
        /// <param name="allowStreamProperty">Should pass in true if we are writing a property of an ODataEntry instance, false otherwise.
        /// Named stream properties should only be defined on ODataEntry instances.</param>
        /// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
        /// <param name="projectedProperties">Set of projected properties, or null if all properties should be written.</param>
        private void WriteProperty(
            ODataProperty property,
            IEdmStructuredType owningType,
            bool allowStreamProperty,
            DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
            ProjectedPropertiesAnnotation projectedProperties)
        {
            DebugUtils.CheckNoExternalCallers();

            WriterValidationUtils.ValidatePropertyNotNull(property);
            if (projectedProperties.ShouldSkipProperty(property.Name))
            {
                return;
            }

            WriterValidationUtils.ValidateProperty(property);
            duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
            IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(property.Name, owningType);

            // If the property is of Geography or Geometry type or the value is of Geography or Geometry type
            // make sure to check that the version is 3.0 or above.
            if ((edmProperty != null && edmProperty.Type.IsSpatial()) ||
                (edmProperty == null && property.Value is System.Spatial.ISpatial))
            {
                ODataVersionChecker.CheckSpatialValue(this.Version);
            }

            this.JsonWriter.WriteName(property.Name);
            object value = property.Value;

            if (value == null)
            {
                WriterValidationUtils.ValidateNullPropertyValue(edmProperty, this.MessageWriterSettings.WriterBehavior, this.Model);
                this.JsonWriter.WriteValue(null);
            }
            else
            {
                bool isOpenPropertyType = owningType != null && owningType.IsOpen && edmProperty == null;
                if (isOpenPropertyType)
                {
                    ValidationUtils.ValidateOpenPropertyValue(property.Name, value);
                }

                IEdmTypeReference propertyTypeReference = edmProperty == null ? null : edmProperty.Type;
                ODataComplexValue complexValue          = value as ODataComplexValue;
                if (complexValue != null)
                {
                    this.WriteComplexValue(
                        complexValue,
                        propertyTypeReference,
                        isOpenPropertyType,
                        this.CreateDuplicatePropertyNamesChecker(),
                        /*collectionValidator*/ null);
                }
                else
                {
                    ODataCollectionValue collectionValue = value as ODataCollectionValue;
                    if (collectionValue != null)
                    {
                        ODataVersionChecker.CheckCollectionValueProperties(this.Version, property.Name);
                        this.WriteCollectionValue(
                            collectionValue,
                            propertyTypeReference,
                            isOpenPropertyType);
                    }
                    else
                    {
                        ODataStreamReferenceValue streamReferenceValue = value as ODataStreamReferenceValue;
                        if (streamReferenceValue != null)
                        {
                            if (!allowStreamProperty)
                            {
                                throw new ODataException(o.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(property.Name));
                            }

                            Debug.Assert(owningType == null || owningType.IsODataEntityTypeKind(), "The metadata should not allow named stream properties to be defined on a non-entity type.");
                            WriterValidationUtils.ValidateStreamReferenceProperty(property, edmProperty, this.Version, this.WritingResponse);
                            this.WriteStreamReferenceValue((ODataStreamReferenceValue)property.Value);
                        }
                        else
                        {
                            this.WritePrimitiveValue(value, /*collectionValidator*/ null, propertyTypeReference);
                        }
                    }
                }
            }
        }
コード例 #5
0
        private bool WriteProperty(ODataProperty property, IEdmStructuredType owningType, bool isTopLevel, bool isWritingCollection, Action beforePropertyAction, EpmValueCache epmValueCache, EpmSourcePathSegment epmParentSourcePathSegment, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker, ProjectedPropertiesAnnotation projectedProperties)
        {
            Action beforeValueAction = null;
            Action afterValueAction  = null;

            WriterValidationUtils.ValidatePropertyNotNull(property);
            object propertyValue = property.Value;
            string propertyName  = property.Name;
            EpmSourcePathSegment          propertySourcePathSegment = EpmWriterUtils.GetPropertySourcePathSegment(epmParentSourcePathSegment, propertyName);
            ODataComplexValue             complexValue = propertyValue as ODataComplexValue;
            ProjectedPropertiesAnnotation emptyProjectedPropertiesMarker = null;

            if (!this.ShouldWritePropertyInContent(owningType, projectedProperties, propertyName, propertyValue, propertySourcePathSegment))
            {
                if ((propertySourcePathSegment == null) || (complexValue == null))
                {
                    return(false);
                }
                emptyProjectedPropertiesMarker = ProjectedPropertiesAnnotation.EmptyProjectedPropertiesMarker;
            }
            WriterValidationUtils.ValidateProperty(property);
            duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
            IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(propertyName, owningType);

            if (propertyValue is ODataStreamReferenceValue)
            {
                throw new ODataException(Microsoft.Data.OData.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(propertyName));
            }
            if (((edmProperty != null) && edmProperty.Type.IsSpatial()) || ((edmProperty == null) && (propertyValue is ISpatial)))
            {
                ODataVersionChecker.CheckSpatialValue(base.Version);
            }
            if (propertyValue == null)
            {
                this.WriteNullPropertyValue(edmProperty, propertyName, isTopLevel, isWritingCollection, beforePropertyAction);
                return(true);
            }
            bool isOpenPropertyType = ((owningType != null) && owningType.IsOpen) && (edmProperty == null);

            if (isOpenPropertyType)
            {
                ValidationUtils.ValidateOpenPropertyValue(propertyName, propertyValue);
            }
            IEdmTypeReference metadataTypeReference = (edmProperty == null) ? null : edmProperty.Type;

            if (complexValue != null)
            {
                DuplicatePropertyNamesChecker checker = base.CreateDuplicatePropertyNamesChecker();
                if (isTopLevel)
                {
                    this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
                    this.WriteComplexValue(complexValue, metadataTypeReference, isOpenPropertyType, isWritingCollection, null, null, checker, null, epmValueCache, propertySourcePathSegment, null);
                    this.WritePropertyEnd();
                    return(true);
                }
                if (beforeValueAction == null)
                {
                    beforeValueAction = delegate {
                        this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
                    };
                }
                if (afterValueAction == null)
                {
                    afterValueAction = delegate {
                        this.WritePropertyEnd();
                    };
                }
                return(this.WriteComplexValue(complexValue, metadataTypeReference, isOpenPropertyType, isWritingCollection, beforeValueAction, afterValueAction, checker, null, epmValueCache, propertySourcePathSegment, emptyProjectedPropertiesMarker));
            }
            ODataCollectionValue collectionValue = propertyValue as ODataCollectionValue;

            if (collectionValue != null)
            {
                ODataVersionChecker.CheckCollectionValueProperties(base.Version, propertyName);
                this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
                this.WriteCollectionValue(collectionValue, metadataTypeReference, isOpenPropertyType, isWritingCollection);
                this.WritePropertyEnd();
                return(true);
            }
            this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
            this.WritePrimitiveValue(propertyValue, null, metadataTypeReference);
            this.WritePropertyEnd();
            return(true);
        }
コード例 #6
0
        /// <summary>
        /// Writes a single property in ATOM format.
        /// </summary>
        /// <param name="property">The property to write out.</param>
        /// <param name="owningType">The type owning the property (or null if no metadata is available).</param>
        /// <param name="isTopLevel">true if writing a top-level property payload; otherwise false.</param>
        /// <param name="isWritingCollection">true if we are writing a collection instead of an entry.</param>
        /// <param name="beforePropertyAction">Action which is called before the property is written, if it's going to be written.</param>
        /// <param name="epmValueCache">Cache of values used in EPM so that we avoid multiple enumerations of properties/items. (can be null)</param>
        /// <param name="epmParentSourcePathSegment">The EPM source path segment which points to the property which sub-property we're writing. (can be null)</param>
        /// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
        /// <param name="projectedProperties">Set of projected properties, or null if all properties should be written.</param>
        /// <returns>true if the property was actually written, false otherwise.</returns>
        private bool WriteProperty(
            ODataProperty property,
            IEdmStructuredType owningType,
            bool isTopLevel,
            bool isWritingCollection,
            Action beforePropertyAction,
            EpmValueCache epmValueCache,
            EpmSourcePathSegment epmParentSourcePathSegment,
            DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
            ProjectedPropertiesAnnotation projectedProperties)
        {
            DebugUtils.CheckNoExternalCallers();

            WriterValidationUtils.ValidatePropertyNotNull(property);

            object value        = property.Value;
            string propertyName = property.Name;
            EpmSourcePathSegment epmSourcePathSegment = EpmWriterUtils.GetPropertySourcePathSegment(epmParentSourcePathSegment, propertyName);

            //// TODO: If we implement type conversions the value needs to be converted here
            ////       since the next method call needs to know if the value is a string or not in some cases.

            ODataComplexValue             complexValue = value as ODataComplexValue;
            ProjectedPropertiesAnnotation complexValueProjectedProperties = null;

            if (!this.ShouldWritePropertyInContent(owningType, projectedProperties, propertyName, value, epmSourcePathSegment))
            {
                // If ShouldWritePropertyInContent returns false for a comlex value we have to continue
                // writing the property but set the projectedProperties to an empty array. The reason for this
                // is that we might find EPM on a nested property that has a null value and thus must be written
                // in content (in which case the parent property also has to be written).
                // This only applies if we have EPM information for the property.
                if (epmSourcePathSegment != null && complexValue != null)
                {
                    Debug.Assert(!projectedProperties.IsPropertyProjected(propertyName), "ShouldWritePropertyInContent must not return false for a projected complex property.");
                    complexValueProjectedProperties = ProjectedPropertiesAnnotation.EmptyProjectedPropertiesMarker;
                }
                else
                {
                    return(false);
                }
            }

            WriterValidationUtils.ValidateProperty(property);
            duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
            IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(propertyName, owningType);

            if (value is ODataStreamReferenceValue)
            {
                throw new ODataException(o.Strings.ODataWriter_StreamPropertiesMustBePropertiesOfODataEntry(propertyName));
            }

            // If the property is of Geography or Geometry type or the value is of Geography or Geometry type
            // make sure to check that the version is 3.0 or above.
            if ((edmProperty != null && edmProperty.Type.IsSpatial()) ||
                (edmProperty == null && value is System.Spatial.ISpatial))
            {
                ODataVersionChecker.CheckSpatialValue(this.Version);
            }

            // Null property value.
            if (value == null)
            {
                this.WriteNullPropertyValue(edmProperty, propertyName, isTopLevel, isWritingCollection, beforePropertyAction);
                return(true);
            }

            bool isOpenPropertyType = owningType != null && owningType.IsOpen && edmProperty == null;

            if (isOpenPropertyType)
            {
                ValidationUtils.ValidateOpenPropertyValue(propertyName, value);
            }

            IEdmTypeReference propertyTypeReference = edmProperty == null ? null : edmProperty.Type;

            if (complexValue != null)
            {
                // Complex properties are written recursively.
                DuplicatePropertyNamesChecker complexValuePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
                if (isTopLevel)
                {
                    // Top-level property must always write the property element
                    Debug.Assert(complexValueProjectedProperties == null, "complexValueProjectedProperties == null");
                    this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
                    this.AssertRecursionDepthIsZero();
                    this.WriteComplexValue(
                        complexValue,
                        propertyTypeReference,
                        isOpenPropertyType,
                        isWritingCollection,
                        null /* beforeValueAction */,
                        null /* afterValueAction */,
                        complexValuePropertyNamesChecker,
                        null /* collectionValidator */,
                        epmValueCache,
                        epmSourcePathSegment,
                        null /* projectedProperties */);
                    this.AssertRecursionDepthIsZero();
                    this.WritePropertyEnd();
                    return(true);
                }

                return(this.WriteComplexValue(
                           complexValue,
                           propertyTypeReference,
                           isOpenPropertyType,
                           isWritingCollection,
                           () => this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel),
                           () => this.WritePropertyEnd(),
                           complexValuePropertyNamesChecker,
                           null /* collectionValidator */,
                           epmValueCache,
                           epmSourcePathSegment,
                           complexValueProjectedProperties));
            }

            ODataCollectionValue collectionValue = value as ODataCollectionValue;

            if (collectionValue != null)
            {
                ODataVersionChecker.CheckCollectionValueProperties(this.Version, propertyName);

                this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
                this.WriteCollectionValue(
                    collectionValue,
                    propertyTypeReference,
                    isOpenPropertyType,
                    isWritingCollection);
                this.WritePropertyEnd();
                return(true);
            }

            this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
            this.WritePrimitiveValue(value, /*collectionValidator*/ null, propertyTypeReference);
            this.WritePropertyEnd();
            return(true);
        }