private static string CreateDateTimeStringValue(object propertyValue, ODataWriterBehavior writerBehavior)
{
Debug.Assert(
writerBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient,
"CreateDateTimeStringValue should only be used in WCF DS client mode.");
if (propertyValue == null)
{
propertyValue = DateTimeOffset.Now;
}
if (propertyValue is DateTime)
{
// DateTimeOffset takes care of DateTimes of Unspecified kind so we won't end up
// with datetime without timezone info mapped to atom:updated or atom:published element.
propertyValue = new DateTimeOffset((DateTime)propertyValue);
}
// For DateTimeOffset values we need to use the ATOM format when translating them
// to strings since the value will be used in ATOM metadata.
if (propertyValue is DateTimeOffset)
{
return(ODataAtomConvert.ToAtomString((DateTimeOffset)propertyValue));
}
return(EpmWriterUtils.GetPropertyValueAsText(propertyValue));
}
/// <summary>
/// Given a target segment the method returns the text value of the property mapped to that segment to be used in EPM.
/// </summary>
/// <param name="targetSegment">The target segment to read the value for.</param>
/// <param name="epmValueCache">EPM value cache to use to get property values, or a primitive value</param>
/// <param name="typeReference">The type of the entry or collection item.</param>
/// <returns>The test representation of the value, or the method throws if the text representation was not possible to obtain.</returns>
private string GetPropertyValueAsText(
EpmTargetPathSegment targetSegment,
object epmValueCache,
IEdmTypeReference typeReference)
{
Debug.Assert(targetSegment != null, "targetSegment != null");
Debug.Assert(targetSegment.HasContent, "The target segment to read property for must have content.");
Debug.Assert(targetSegment.EpmInfo != null, "The EPM info must be available on the target segment to read its property.");
Debug.Assert(epmValueCache != null, "epmValueCache != null");
Debug.Assert(typeReference != null, "typeReference != null");
object propertyValue;
EntryPropertiesValueCache entryPropertiesValueCache = epmValueCache as EntryPropertiesValueCache;
if (entryPropertiesValueCache != null)
{
propertyValue = this.ReadEntryPropertyValue(
targetSegment.EpmInfo,
entryPropertiesValueCache,
typeReference.AsEntity());
}
else
{
propertyValue = epmValueCache;
ValidationUtils.ValidateIsExpectedPrimitiveType(propertyValue, typeReference);
}
return(EpmWriterUtils.GetPropertyValueAsText(propertyValue));
}
/// <summary>
/// Determines if the property with the specified value should be written into content or not.
/// </summary>
/// <param name="owningType">The owning type of the property to be checked.</param>
/// <param name="projectedProperties">The set of projected properties for the <paramref name="owningType"/></param>
/// <param name="propertyName">The name of the property to be checked.</param>
/// <param name="propertyValue">The property value to write.</param>
/// <param name="epmSourcePathSegment">The EPM source path segment for the property being written.</param>
/// <returns>true if the property should be written into content, or false otherwise</returns>
private bool ShouldWritePropertyInContent(
IEdmStructuredType owningType,
ProjectedPropertiesAnnotation projectedProperties,
string propertyName,
object propertyValue,
EpmSourcePathSegment epmSourcePathSegment)
{
// check whether the property is projected; if no EPM is specified for the property the projection decides
bool propertyProjected = !projectedProperties.ShouldSkipProperty(propertyName);
bool useV1ProviderBehavior = this.MessageWriterSettings.WriterBehavior == null ? false : this.MessageWriterSettings.WriterBehavior.UseV1ProviderBehavior;
if (useV1ProviderBehavior && owningType != null && owningType.IsODataComplexTypeKind())
{
IEdmComplexType owningComplexType = (IEdmComplexType)owningType;
CachedPrimitiveKeepInContentAnnotation keepInContentAnnotation = this.Model.EpmCachedKeepPrimitiveInContent(owningComplexType);
if (keepInContentAnnotation != null && keepInContentAnnotation.IsKeptInContent(propertyName))
{
return(propertyProjected);
}
}
// We sometimes write properties into content even if asked not to.
// If the property value is null and the property (or one of its descendant properties) is mapped,
// we always write into content, even if the property was not projected.
if (propertyValue == null && epmSourcePathSegment != null)
{
return(true);
}
EntityPropertyMappingAttribute entityPropertyMapping = EpmWriterUtils.GetEntityPropertyMapping(epmSourcePathSegment);
if (entityPropertyMapping == null)
{
return(propertyProjected);
}
string stringPropertyValue = propertyValue as string;
if (stringPropertyValue != null && stringPropertyValue.Length == 0)
{
// If the property value is an empty string and we should be writing it into an ATOM element which does not allow empty string
// we write it into content as well, also even if the property was not projected.
switch (entityPropertyMapping.TargetSyndicationItem)
{
case SyndicationItemProperty.AuthorEmail:
case SyndicationItemProperty.AuthorUri:
case SyndicationItemProperty.ContributorEmail:
case SyndicationItemProperty.ContributorUri:
return(true);
default:
break;
}
}
return(entityPropertyMapping.KeepInContent && propertyProjected);
}
private string GetEntryPropertyValueAsText(EpmTargetPathSegment targetSegment, EntryPropertiesValueCache epmValueCache, IEdmEntityTypeReference entityType)
{
object propertyValue = base.ReadEntryPropertyValue(targetSegment.EpmInfo, epmValueCache, entityType);
if (propertyValue == null)
{
return(string.Empty);
}
return(EpmWriterUtils.GetPropertyValueAsText(propertyValue));
}
private static string CreateDateTimeStringValue(object propertyValue, ODataWriterBehavior writerBehavior)
{
if (propertyValue == null)
{
propertyValue = DateTimeOffset.Now;
}
if (propertyValue is DateTime)
{
propertyValue = new DateTimeOffset((DateTime)propertyValue);
}
if (propertyValue is DateTimeOffset)
{
return(ODataAtomConvert.ToAtomString((DateTimeOffset)propertyValue));
}
return(EpmWriterUtils.GetPropertyValueAsText(propertyValue));
}
private string GetPropertyValueAsText(EpmTargetPathSegment targetSegment, object epmValueCache, IEdmTypeReference typeReference)
{
object obj2;
EntryPropertiesValueCache cache = epmValueCache as EntryPropertiesValueCache;
if (cache != null)
{
obj2 = base.ReadEntryPropertyValue(targetSegment.EpmInfo, cache, typeReference.AsEntity());
}
else
{
obj2 = epmValueCache;
ValidationUtils.ValidateIsExpectedPrimitiveType(obj2, typeReference);
}
return(EpmWriterUtils.GetPropertyValueAsText(obj2));
}
private bool ShouldWritePropertyInContent(IEdmStructuredType owningType, ProjectedPropertiesAnnotation projectedProperties, string propertyName, object propertyValue, EpmSourcePathSegment epmSourcePathSegment)
{
bool flag = !projectedProperties.ShouldSkipProperty(propertyName);
if ((((base.MessageWriterSettings.WriterBehavior != null) && base.MessageWriterSettings.WriterBehavior.UseV1ProviderBehavior) && (owningType != null)) && owningType.IsODataComplexTypeKind())
{
IEdmComplexType complexType = (IEdmComplexType)owningType;
CachedPrimitiveKeepInContentAnnotation annotation = base.Model.EpmCachedKeepPrimitiveInContent(complexType);
if ((annotation != null) && annotation.IsKeptInContent(propertyName))
{
return(flag);
}
}
if ((propertyValue == null) && (epmSourcePathSegment != null))
{
return(true);
}
EntityPropertyMappingAttribute entityPropertyMapping = EpmWriterUtils.GetEntityPropertyMapping(epmSourcePathSegment);
if (entityPropertyMapping == null)
{
return(flag);
}
string str = propertyValue as string;
if ((str != null) && (str.Length == 0))
{
switch (entityPropertyMapping.TargetSyndicationItem)
{
case SyndicationItemProperty.AuthorEmail:
case SyndicationItemProperty.AuthorUri:
case SyndicationItemProperty.ContributorEmail:
case SyndicationItemProperty.ContributorUri:
return(true);
}
}
return(entityPropertyMapping.KeepInContent && flag);
}
/// <summary>
/// Given a target segment the method returns the text value of the property mapped to that segment to be used in EPM.
/// </summary>
/// <param name="targetSegment">The target segment to read the value for.</param>
/// <param name="epmValueCache">The entry EPM value cache to use.</param>
/// <param name="entityType">The entity type of the entry being processed.</param>
/// <returns>The test representation of the value, or the method throws if the text representation was not possible to obtain.</returns>
private string GetEntryPropertyValueAsText(
EpmTargetPathSegment targetSegment,
EntryPropertiesValueCache epmValueCache,
IEdmEntityTypeReference entityType)
{
Debug.Assert(targetSegment != null, "targetSegment != null");
Debug.Assert(targetSegment.HasContent, "The target segment to read property for must have content.");
Debug.Assert(targetSegment.EpmInfo != null, "The EPM info must be available on the target segment to read its property.");
Debug.Assert(epmValueCache != null, "epmValueCache != null");
Debug.Assert(entityType != null, "entityType != null");
object propertyValue = this.ReadEntryPropertyValue(
targetSegment.EpmInfo,
epmValueCache,
entityType);
if (propertyValue == null)
{
// nulls are written out as empty strings always (and they're written into content as well)
return(string.Empty);
}
return(EpmWriterUtils.GetPropertyValueAsText(propertyValue));
}
/// <summary>
/// Writes the syndication part of EPM for an entry into ATOM metadata OM.
/// </summary>
/// <param name="epmValueCache">The entry properties value cache to use to access the properties.</param>
/// <param name="entityType">The type of the entry.</param>
/// <returns>The ATOM metadata OM with the EPM values populated.</returns>
private AtomEntryMetadata WriteEntryEpm(
EntryPropertiesValueCache epmValueCache,
IEdmEntityTypeReference entityType)
{
// If there are no syndication mappings, just return null.
EpmTargetPathSegment syndicationRootSegment = this.epmTargetTree.SyndicationRoot;
Debug.Assert(syndicationRootSegment != null, "EPM Target tree must always have syndication root.");
if (syndicationRootSegment.SubSegments.Count == 0)
{
return(null);
}
foreach (EpmTargetPathSegment targetSegment in syndicationRootSegment.SubSegments)
{
if (targetSegment.HasContent)
{
EntityPropertyMappingInfo epmInfo = targetSegment.EpmInfo;
Debug.Assert(
epmInfo != null && epmInfo.Attribute != null,
"If the segment has content it must have EpmInfo which in turn must have the EPM attribute");
object propertyValue = this.ReadEntryPropertyValue(
epmInfo,
epmValueCache,
entityType);
string textPropertyValue = EpmWriterUtils.GetPropertyValueAsText(propertyValue);
switch (epmInfo.Attribute.TargetSyndicationItem)
{
case SyndicationItemProperty.Updated:
if (this.WriterBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient)
{
this.entryMetadata.UpdatedString = EpmSyndicationWriter.CreateDateTimeStringValue(propertyValue, this.WriterBehavior);
}
else
{
this.entryMetadata.Updated = EpmSyndicationWriter.CreateDateTimeValue(propertyValue, SyndicationItemProperty.Updated, this.WriterBehavior);
}
break;
case SyndicationItemProperty.Published:
if (this.WriterBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient)
{
this.entryMetadata.PublishedString = EpmSyndicationWriter.CreateDateTimeStringValue(propertyValue, this.WriterBehavior);
}
else
{
this.entryMetadata.Published = EpmSyndicationWriter.CreateDateTimeValue(propertyValue, SyndicationItemProperty.Published, this.WriterBehavior);
}
break;
case SyndicationItemProperty.Rights:
this.entryMetadata.Rights = EpmSyndicationWriter.CreateAtomTextConstruct(textPropertyValue, epmInfo.Attribute.TargetTextContentKind);
break;
case SyndicationItemProperty.Summary:
this.entryMetadata.Summary = EpmSyndicationWriter.CreateAtomTextConstruct(textPropertyValue, epmInfo.Attribute.TargetTextContentKind);
break;
case SyndicationItemProperty.Title:
this.entryMetadata.Title = EpmSyndicationWriter.CreateAtomTextConstruct(textPropertyValue, epmInfo.Attribute.TargetTextContentKind);
break;
default:
throw new ODataException(o.Strings.General_InternalError(InternalErrorCodes.EpmSyndicationWriter_WriteEntryEpm_ContentTarget));
}
}
else
{
this.WriteParentSegment(targetSegment, epmValueCache, entityType);
}
}
return(this.entryMetadata);
}
protected override void EndEntry(ODataEntry entry)
{
if (entry == null)
{
this.CheckAndWriteParentNavigationLinkEndForInlineElement();
}
else
{
IEdmEntityType entryEntityType = base.EntryEntityType;
EntryPropertiesValueCache propertyValueCache = new EntryPropertiesValueCache(entry);
ODataEntityPropertyMappingCache cache2 = this.atomOutputContext.Model.EnsureEpmCache(entryEntityType, 0x7fffffff);
if (cache2 != null)
{
EpmWriterUtils.CacheEpmProperties(propertyValueCache, cache2.EpmSourceTree);
}
ProjectedPropertiesAnnotation projectedProperties = entry.GetAnnotation <ProjectedPropertiesAnnotation>();
AtomEntryScope currentEntryScope = this.CurrentEntryScope;
AtomEntryMetadata entryMetadata = entry.Atom();
if (!currentEntryScope.IsElementWritten(AtomElement.Id))
{
this.atomEntryAndFeedSerializer.WriteEntryId(entry.Id);
}
Uri editLink = entry.EditLink;
if ((editLink != null) && !currentEntryScope.IsElementWritten(AtomElement.EditLink))
{
this.atomEntryAndFeedSerializer.WriteEntryEditLink(editLink, entryMetadata);
}
Uri readLink = entry.ReadLink;
if ((readLink != null) && !currentEntryScope.IsElementWritten(AtomElement.ReadLink))
{
this.atomEntryAndFeedSerializer.WriteEntryReadLink(readLink, entryMetadata);
}
AtomEntryMetadata epmEntryMetadata = null;
if (cache2 != null)
{
ODataVersionChecker.CheckEntityPropertyMapping(this.atomOutputContext.Version, entryEntityType, this.atomOutputContext.Model);
epmEntryMetadata = EpmSyndicationWriter.WriteEntryEpm(cache2.EpmTargetTree, propertyValueCache, entryEntityType.ToTypeReference().AsEntity(), this.atomOutputContext);
}
this.atomEntryAndFeedSerializer.WriteEntryMetadata(entryMetadata, epmEntryMetadata, this.updatedTime);
IEnumerable <ODataProperty> entryStreamProperties = propertyValueCache.EntryStreamProperties;
if (entryStreamProperties != null)
{
foreach (ODataProperty property in entryStreamProperties)
{
this.atomEntryAndFeedSerializer.WriteStreamProperty(property, entryEntityType, base.DuplicatePropertyNamesChecker, projectedProperties);
}
}
IEnumerable <ODataAssociationLink> associationLinks = entry.AssociationLinks;
if (associationLinks != null)
{
foreach (ODataAssociationLink link in associationLinks)
{
this.atomEntryAndFeedSerializer.WriteAssociationLink(link, entryEntityType, base.DuplicatePropertyNamesChecker, projectedProperties);
}
}
IEnumerable <ODataAction> actions = entry.Actions;
if (actions != null)
{
foreach (ODataAction action in actions)
{
ValidationUtils.ValidateOperationNotNull(action, true);
this.atomEntryAndFeedSerializer.WriteOperation(action);
}
}
IEnumerable <ODataFunction> functions = entry.Functions;
if (functions != null)
{
foreach (ODataFunction function in functions)
{
ValidationUtils.ValidateOperationNotNull(function, false);
this.atomEntryAndFeedSerializer.WriteOperation(function);
}
}
this.WriteEntryContent(entry, entryEntityType, propertyValueCache, (cache2 == null) ? null : cache2.EpmSourceTree.Root, projectedProperties);
if (cache2 != null)
{
EpmCustomWriter.WriteEntryEpm(this.atomOutputContext.XmlWriter, cache2.EpmTargetTree, propertyValueCache, entryEntityType.ToTypeReference().AsEntity(), this.atomOutputContext);
}
this.atomOutputContext.XmlWriter.WriteEndElement();
this.EndEntryXmlCustomization(entry);
this.CheckAndWriteParentNavigationLinkEndForInlineElement();
}
}
protected override void EndEntry(ODataEntry entry)
{
Debug.Assert(
this.ParentNavigationLink == null || !this.ParentNavigationLink.IsCollection.Value,
"We should have already verified that the IsCollection matches the actual content of the link (feed/entry).");
if (entry == null)
{
Debug.Assert(this.ParentNavigationLink != null, "When entry == null, it has to be an expanded single entry navigation.");
// this is a null expanded single entry and it is null, an empty <m:inline /> will be written.
this.CheckAndWriteParentNavigationLinkEndForInlineElement();
return;
}
IEdmEntityType entryType = this.EntryEntityType;
// Initialize the property value cache and cache the entry properties.
EntryPropertiesValueCache propertyValueCache = new EntryPropertiesValueCache(entry);
// NOTE: when writing, we assume the model has been validated already and thus pass int.MaxValue for the maxMappingCount.
ODataEntityPropertyMappingCache epmCache = this.atomOutputContext.Model.EnsureEpmCache(entryType, /*maxMappingCount*/ int.MaxValue);
// Populate the property value cache based on the EPM source tree information.
// We do this since we need to write custom EPM after the properties below and don't
// want to cache all properties just for the case that they are used in a custom EPM.
if (epmCache != null)
{
EpmWriterUtils.CacheEpmProperties(propertyValueCache, epmCache.EpmSourceTree);
}
// Get the projected properties annotation
ProjectedPropertiesAnnotation projectedProperties = entry.GetAnnotation <ProjectedPropertiesAnnotation>();
AtomEntryScope currentEntryScope = this.CurrentEntryScope;
AtomEntryMetadata entryMetadata = entry.Atom();
if (!currentEntryScope.IsElementWritten(AtomElement.Id))
{
// NOTE: We write even null id, in that case we generate an empty atom:id element.
this.atomEntryAndFeedSerializer.WriteEntryId(entry.Id);
}
Uri editLink = entry.EditLink;
if (editLink != null && !currentEntryScope.IsElementWritten(AtomElement.EditLink))
{
this.atomEntryAndFeedSerializer.WriteEntryEditLink(editLink, entryMetadata);
}
Uri readLink = entry.ReadLink;
if (readLink != null && !currentEntryScope.IsElementWritten(AtomElement.ReadLink))
{
this.atomEntryAndFeedSerializer.WriteEntryReadLink(readLink, entryMetadata);
}
// write entry metadata including syndication EPM
AtomEntryMetadata epmEntryMetadata = null;
if (epmCache != null)
{
ODataVersionChecker.CheckEntityPropertyMapping(this.atomOutputContext.Version, entryType, this.atomOutputContext.Model);
epmEntryMetadata = EpmSyndicationWriter.WriteEntryEpm(
epmCache.EpmTargetTree,
propertyValueCache,
entryType.ToTypeReference().AsEntity(),
this.atomOutputContext);
}
this.atomEntryAndFeedSerializer.WriteEntryMetadata(entryMetadata, epmEntryMetadata, this.updatedTime);
// stream properties
IEnumerable <ODataProperty> streamProperties = propertyValueCache.EntryStreamProperties;
if (streamProperties != null)
{
foreach (ODataProperty streamProperty in streamProperties)
{
this.atomEntryAndFeedSerializer.WriteStreamProperty(
streamProperty,
entryType,
this.DuplicatePropertyNamesChecker,
projectedProperties);
}
}
// association links
IEnumerable <ODataAssociationLink> associationLinks = entry.AssociationLinks;
if (associationLinks != null)
{
foreach (ODataAssociationLink associationLink in associationLinks)
{
this.atomEntryAndFeedSerializer.WriteAssociationLink(
associationLink,
entryType,
this.DuplicatePropertyNamesChecker,
projectedProperties);
}
}
// actions
IEnumerable <ODataAction> actions = entry.Actions;
if (actions != null)
{
foreach (ODataAction action in actions)
{
ValidationUtils.ValidateOperationNotNull(action, true);
this.atomEntryAndFeedSerializer.WriteOperation(action);
}
}
// functions
IEnumerable <ODataFunction> functions = entry.Functions;
if (functions != null)
{
foreach (ODataFunction function in functions)
{
ValidationUtils.ValidateOperationNotNull(function, false);
this.atomEntryAndFeedSerializer.WriteOperation(function);
}
}
// write the content
this.WriteEntryContent(
entry,
entryType,
propertyValueCache,
epmCache == null ? null : epmCache.EpmSourceTree.Root,
projectedProperties);
// write custom EPM
if (epmCache != null)
{
EpmCustomWriter.WriteEntryEpm(
this.atomOutputContext.XmlWriter,
epmCache.EpmTargetTree,
propertyValueCache,
entryType.ToTypeReference().AsEntity(),
this.atomOutputContext);
}
// </entry>
this.atomOutputContext.XmlWriter.WriteEndElement();
this.EndEntryXmlCustomization(entry);
this.CheckAndWriteParentNavigationLinkEndForInlineElement();
}
/// <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);
}
/// <summary>
/// Writes a single property in ATOM format.
/// </summary>
/// <param name="property">The property to write out.</param>
/// <param name="owningType">The owning type for the <paramref name="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 top-level 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.EmptyProjectedPropertiesInstance;
}
else
{
return(false);
}
}
WriterValidationUtils.ValidatePropertyName(propertyName);
duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(propertyName, owningType, this.MessageWriterSettings.UndeclaredPropertyBehaviorKinds);
IEdmTypeReference propertyTypeReference = edmProperty == null ? null : edmProperty.Type;
if (value is ODataStreamReferenceValue)
{
throw new ODataException(ODataErrorStrings.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 ((propertyTypeReference != null && propertyTypeReference.IsSpatial()) ||
(propertyTypeReference == null && value is System.Spatial.ISpatial))
{
ODataVersionChecker.CheckSpatialValue(this.Version);
}
// Null property value.
if (value == null)
{
this.WriteNullPropertyValue(propertyTypeReference, propertyName, isTopLevel, isWritingCollection, beforePropertyAction);
return(true);
}
bool isOpenPropertyType = owningType != null && owningType.IsOpen && propertyTypeReference == null;
if (isOpenPropertyType)
{
ValidationUtils.ValidateOpenPropertyValue(propertyName, value, this.MessageWriterSettings.UndeclaredPropertyBehaviorKinds);
}
if (complexValue != null)
{
return(this.WriteComplexValueProperty(
complexValue,
propertyName,
isTopLevel,
isWritingCollection,
beforePropertyAction,
epmValueCache,
propertyTypeReference,
isOpenPropertyType,
epmSourcePathSegment,
complexValueProjectedProperties));
}
ODataCollectionValue collectionValue = value as ODataCollectionValue;
if (collectionValue != null)
{
this.WriteCollectionValueProperty(
collectionValue,
propertyName,
isTopLevel,
isWritingCollection,
beforePropertyAction,
propertyTypeReference,
isOpenPropertyType);
return(true);
}
// If the value isn't one of the value types tested for already, it must be a non-null primitive.
this.WritePropertyStart(beforePropertyAction, propertyName, isWritingCollection, isTopLevel);
SerializationTypeNameAnnotation serializationTypeNameAnnotation = property.ODataValue.GetAnnotation <SerializationTypeNameAnnotation>();
this.WritePrimitiveValue(value, /*collectionValidator*/ null, propertyTypeReference, serializationTypeNameAnnotation);
this.WritePropertyEnd();
return(true);
}
internal bool WriteComplexValue(
ODataComplexValue complexValue,
IEdmTypeReference metadataTypeReference,
bool isOpenPropertyType,
bool isWritingCollection,
Action beforeValueAction,
Action afterValueAction,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
CollectionWithoutExpectedTypeValidator collectionValidator,
EpmValueCache epmValueCache,
EpmSourcePathSegment epmSourcePathSegment,
ProjectedPropertiesAnnotation projectedProperties)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(complexValue != null, "complexValue != null");
string typeName = complexValue.TypeName;
if (collectionValidator != null)
{
collectionValidator.ValidateCollectionItem(typeName, EdmTypeKind.Complex);
}
this.IncreaseRecursionDepth();
// resolve the type name to the type; if no type name is specified we will use the
// type inferred from metadata
IEdmComplexTypeReference complexTypeReference = TypeNameOracle.ResolveAndValidateTypeNameForValue(this.Model, metadataTypeReference, complexValue, isOpenPropertyType).AsComplexOrNull();
string collectionItemTypeName;
typeName = this.AtomOutputContext.TypeNameOracle.GetValueTypeNameForWriting(complexValue, complexTypeReference, complexValue.GetAnnotation <SerializationTypeNameAnnotation>(), collectionValidator, out collectionItemTypeName);
Debug.Assert(collectionItemTypeName == null, "collectionItemTypeName == null");
Action beforeValueCallbackWithTypeName = beforeValueAction;
if (typeName != null)
{
// The beforeValueAction (if specified) will write the actual property element start.
// So if we are to write the type attribute, we must postpone that after the start element was written.
// And so we chain the existing action with our type attribute writing and use that
// as the before action instead.
if (beforeValueAction != null)
{
beforeValueCallbackWithTypeName = () =>
{
beforeValueAction();
this.WritePropertyTypeAttribute(typeName);
};
}
else
{
this.WritePropertyTypeAttribute(typeName);
}
}
// NOTE: see the comments on ODataWriterBehavior.UseV1ProviderBehavior for more information
// NOTE: We have to check for ProjectedPropertiesAnnotation.Empty here to avoid filling the cache for
// complex values we are writing only to ensure we don't have nested EPM-mapped null values
// that will end up in the content eventually.
if (this.MessageWriterSettings.WriterBehavior != null &&
this.MessageWriterSettings.WriterBehavior.UseV1ProviderBehavior &&
!object.ReferenceEquals(projectedProperties, ProjectedPropertiesAnnotation.EmptyProjectedPropertiesInstance))
{
IEdmComplexType complexType = (IEdmComplexType)complexTypeReference.Definition;
CachedPrimitiveKeepInContentAnnotation keepInContentCache = this.Model.EpmCachedKeepPrimitiveInContent(complexType);
if (keepInContentCache == null)
{
// we are about to write the first value of the given type; compute the keep-in-content information for the primitive properties of this type.
List <string> keepInContentPrimitiveProperties = null;
// initialize the cache with all primitive properties
foreach (IEdmProperty edmProperty in complexType.Properties().Where(p => p.Type.IsODataPrimitiveTypeKind()))
{
// figure out the keep-in-content value
EntityPropertyMappingAttribute entityPropertyMapping = EpmWriterUtils.GetEntityPropertyMapping(epmSourcePathSegment, edmProperty.Name);
if (entityPropertyMapping != null && entityPropertyMapping.KeepInContent)
{
if (keepInContentPrimitiveProperties == null)
{
keepInContentPrimitiveProperties = new List <string>();
}
keepInContentPrimitiveProperties.Add(edmProperty.Name);
}
}
this.Model.SetAnnotationValue <CachedPrimitiveKeepInContentAnnotation>(complexType, new CachedPrimitiveKeepInContentAnnotation(keepInContentPrimitiveProperties));
}
}
bool propertyWritten = this.WriteProperties(
complexTypeReference == null ? null : complexTypeReference.ComplexDefinition(),
EpmValueCache.GetComplexValueProperties(epmValueCache, complexValue, true),
isWritingCollection,
beforeValueCallbackWithTypeName,
afterValueAction,
duplicatePropertyNamesChecker,
epmValueCache,
epmSourcePathSegment,
projectedProperties);
this.DecreaseRecursionDepth();
return(propertyWritten);
}
private AtomEntryMetadata WriteEntryEpm(EntryPropertiesValueCache epmValueCache, IEdmEntityTypeReference entityType)
{
EpmTargetPathSegment syndicationRoot = this.epmTargetTree.SyndicationRoot;
if (syndicationRoot.SubSegments.Count == 0)
{
return(null);
}
foreach (EpmTargetPathSegment segment2 in syndicationRoot.SubSegments)
{
if (!segment2.HasContent)
{
goto Label_018C;
}
EntityPropertyMappingInfo epmInfo = segment2.EpmInfo;
object propertyValue = base.ReadEntryPropertyValue(epmInfo, epmValueCache, entityType);
string propertyValueAsText = EpmWriterUtils.GetPropertyValueAsText(propertyValue);
switch (epmInfo.Attribute.TargetSyndicationItem)
{
case SyndicationItemProperty.Updated:
{
if (base.WriterBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesClient)
{
break;
}
this.entryMetadata.UpdatedString = CreateDateTimeStringValue(propertyValue, base.WriterBehavior);
continue;
}
case SyndicationItemProperty.Published:
{
if (base.WriterBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesClient)
{
goto Label_00FE;
}
this.entryMetadata.PublishedString = CreateDateTimeStringValue(propertyValue, base.WriterBehavior);
continue;
}
case SyndicationItemProperty.Rights:
{
this.entryMetadata.Rights = CreateAtomTextConstruct(propertyValueAsText, epmInfo.Attribute.TargetTextContentKind);
continue;
}
case SyndicationItemProperty.Summary:
{
this.entryMetadata.Summary = CreateAtomTextConstruct(propertyValueAsText, epmInfo.Attribute.TargetTextContentKind);
continue;
}
case SyndicationItemProperty.Title:
{
this.entryMetadata.Title = CreateAtomTextConstruct(propertyValueAsText, epmInfo.Attribute.TargetTextContentKind);
continue;
}
default:
throw new ODataException(Microsoft.Data.OData.Strings.General_InternalError(InternalErrorCodes.EpmSyndicationWriter_WriteEntryEpm_ContentTarget));
}
this.entryMetadata.Updated = new DateTimeOffset?(CreateDateTimeValue(propertyValue, SyndicationItemProperty.Updated, base.WriterBehavior));
continue;
Label_00FE:
this.entryMetadata.Published = new DateTimeOffset?(CreateDateTimeValue(propertyValue, SyndicationItemProperty.Published, base.WriterBehavior));
continue;
Label_018C:
this.WriteParentSegment(segment2, epmValueCache, entityType);
}
return(this.entryMetadata);
}
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);
}
internal bool WriteComplexValue(ODataComplexValue complexValue, IEdmTypeReference metadataTypeReference, bool isOpenPropertyType, bool isWritingCollection, Action beforeValueAction, Action afterValueAction, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker, CollectionWithoutExpectedTypeValidator collectionValidator, EpmValueCache epmValueCache, EpmSourcePathSegment epmSourcePathSegment, ProjectedPropertiesAnnotation projectedProperties)
{
Action action2 = null;
string typeName = complexValue.TypeName;
if (collectionValidator != null)
{
collectionValidator.ValidateCollectionItem(typeName, EdmTypeKind.Complex);
}
this.IncreaseRecursionDepth();
IEdmComplexTypeReference reference = WriterValidationUtils.ResolveTypeNameForWriting(base.Model, metadataTypeReference, ref typeName, EdmTypeKind.Complex, isOpenPropertyType).AsComplexOrNull();
if (((typeName != null) && (collectionValidator != null)) && (string.CompareOrdinal(collectionValidator.ItemTypeNameFromCollection, typeName) == 0))
{
typeName = null;
}
SerializationTypeNameAnnotation annotation = complexValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (annotation != null)
{
typeName = annotation.TypeName;
}
Action beforePropertiesAction = beforeValueAction;
if (typeName != null)
{
if (beforeValueAction != null)
{
if (action2 == null)
{
action2 = delegate {
beforeValueAction();
this.WritePropertyTypeAttribute(typeName);
};
}
beforePropertiesAction = action2;
}
else
{
this.WritePropertyTypeAttribute(typeName);
}
}
if (((base.MessageWriterSettings.WriterBehavior != null) && base.MessageWriterSettings.WriterBehavior.UseV1ProviderBehavior) && !object.ReferenceEquals(projectedProperties, ProjectedPropertiesAnnotation.EmptyProjectedPropertiesMarker))
{
IEdmComplexType definition = (IEdmComplexType)reference.Definition;
if (base.Model.EpmCachedKeepPrimitiveInContent(definition) == null)
{
List <string> keptInContentPropertyNames = null;
foreach (IEdmProperty property in from p in definition.Properties()
where p.Type.IsODataPrimitiveTypeKind()
select p)
{
EntityPropertyMappingAttribute entityPropertyMapping = EpmWriterUtils.GetEntityPropertyMapping(epmSourcePathSegment, property.Name);
if ((entityPropertyMapping != null) && entityPropertyMapping.KeepInContent)
{
if (keptInContentPropertyNames == null)
{
keptInContentPropertyNames = new List <string>();
}
keptInContentPropertyNames.Add(property.Name);
}
}
base.Model.SetAnnotationValue <CachedPrimitiveKeepInContentAnnotation>(definition, new CachedPrimitiveKeepInContentAnnotation(keptInContentPropertyNames));
}
}
bool flag = this.WriteProperties((reference == null) ? null : reference.ComplexDefinition(), EpmValueCache.GetComplexValueProperties(epmValueCache, complexValue, true), isWritingCollection, beforePropertiesAction, afterValueAction, duplicatePropertyNamesChecker, epmValueCache, epmSourcePathSegment, projectedProperties);
this.DecreaseRecursionDepth();
return(flag);
}