private void ReadOpenProperty(IODataJsonReaderEntryState entryState, string propertyName)
{
object obj2 = base.ReadNonEntityValue(null, null, null, true);
ValidationUtils.ValidateOpenPropertyValue(propertyName, obj2);
AddEntryProperty(entryState, propertyName, obj2);
}
private ODataNavigationLink ReadUndeclaredProperty(IODataJsonReaderEntryState entryState, string propertyName)
{
bool flag = false;
bool flag2 = false;
if (base.JsonReader.NodeType == JsonNodeType.StartObject)
{
base.JsonReader.StartBuffering();
base.JsonReader.Read();
if (base.JsonReader.NodeType == JsonNodeType.Property)
{
string strA = base.JsonReader.ReadPropertyName();
if (string.CompareOrdinal(strA, "__deferred") == 0)
{
flag2 = true;
}
else if (string.CompareOrdinal(strA, "__mediaresource") == 0)
{
flag = true;
}
base.JsonReader.SkipValue();
if (base.JsonReader.NodeType != JsonNodeType.EndObject)
{
flag = false;
flag2 = false;
}
}
base.JsonReader.StopBuffering();
}
if (flag || flag2)
{
if (!base.MessageReaderSettings.UndeclaredPropertyBehaviorKinds.HasFlag(ODataUndeclaredPropertyBehaviorKinds.ReportUndeclaredLinkProperty))
{
throw new ODataException(Microsoft.Data.OData.Strings.ValidationUtils_PropertyDoesNotExistOnType(propertyName, entryState.EntityType.ODataFullName()));
}
}
else if (!base.MessageReaderSettings.UndeclaredPropertyBehaviorKinds.HasFlag(ODataUndeclaredPropertyBehaviorKinds.IgnoreUndeclaredValueProperty))
{
throw new ODataException(Microsoft.Data.OData.Strings.ValidationUtils_PropertyDoesNotExistOnType(propertyName, entryState.EntityType.ODataFullName()));
}
if (flag2)
{
ODataNavigationLink navigationLink = new ODataNavigationLink {
Name = propertyName,
IsCollection = null
};
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNamesOnNavigationLinkStart(navigationLink);
return(navigationLink);
}
if (flag)
{
object propertyValue = this.ReadStreamPropertyValue();
AddEntryProperty(entryState, propertyName, propertyValue);
return(null);
}
base.JsonReader.SkipValue();
return(null);
}
private static void AddEntryProperty(IODataJsonReaderEntryState entryState, string propertyName, object propertyValue)
{
ODataProperty property = new ODataProperty {
Name = propertyName,
Value = propertyValue
};
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
ReaderUtils.AddPropertyToPropertiesList(entryState.Entry.Properties, property);
}
private static void AddEntryProperty(IODataJsonReaderEntryState entryState, string propertyName, object propertyValue)
{
ODataProperty property = new ODataProperty {
Name = propertyName,
Value = propertyValue
};
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
ReaderUtils.AddPropertyToPropertiesList(entryState.Entry.Properties, property);
}
private void ReadEntryProperty(IODataJsonReaderEntryState entryState, IEdmProperty edmProperty)
{
ODataNullValueBehaviorKind kind = base.ReadingResponse ? ODataNullValueBehaviorKind.Default : base.Model.NullValueReadBehaviorKind(edmProperty);
IEdmTypeReference type = edmProperty.Type;
object propertyValue = type.IsStream() ? this.ReadStreamPropertyValue() : base.ReadNonEntityValue(type, null, null, kind == ODataNullValueBehaviorKind.Default);
if ((kind != ODataNullValueBehaviorKind.IgnoreValue) || (propertyValue != null))
{
AddEntryProperty(entryState, edmProperty.Name, propertyValue);
}
}
protected override bool ReadAtNavigationLinkStartImplementation()
{
ODataNavigationLink currentNavigationLink = base.CurrentNavigationLink;
IODataJsonReaderEntryState linkParentEntityScope = (IODataJsonReaderEntryState)base.LinkParentEntityScope;
if (this.jsonInputContext.ReadingResponse && this.jsonEntryAndFeedDeserializer.IsDeferredLink(true))
{
linkParentEntityScope.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(currentNavigationLink, false, currentNavigationLink.IsCollection);
this.jsonEntryAndFeedDeserializer.ReadDeferredNavigationLink(currentNavigationLink);
this.ReplaceScope(ODataReaderState.NavigationLinkEnd);
}
else if (!currentNavigationLink.IsCollection.Value)
{
if (!this.jsonInputContext.ReadingResponse && this.jsonEntryAndFeedDeserializer.IsEntityReferenceLink())
{
linkParentEntityScope.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(currentNavigationLink, false, false);
ODataEntityReferenceLink item = this.jsonEntryAndFeedDeserializer.ReadEntityReferenceLink();
this.EnterScope(ODataReaderState.EntityReferenceLink, item, null);
}
else
{
linkParentEntityScope.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(currentNavigationLink, true, false);
if (this.jsonEntryAndFeedDeserializer.JsonReader.NodeType == JsonNodeType.PrimitiveValue)
{
this.EnterScope(ODataReaderState.EntryStart, null, base.CurrentEntityType);
}
else
{
this.ReadEntryStart();
}
}
}
else
{
linkParentEntityScope.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(currentNavigationLink, true, true);
if (this.jsonInputContext.ReadingResponse)
{
this.ReadFeedStart(true);
}
else
{
if ((this.jsonEntryAndFeedDeserializer.JsonReader.NodeType != JsonNodeType.StartObject) && (this.jsonEntryAndFeedDeserializer.JsonReader.NodeType != JsonNodeType.StartArray))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReader_CannotReadFeedStart(this.jsonEntryAndFeedDeserializer.JsonReader.NodeType));
}
bool isResultsWrapperExpected = this.jsonEntryAndFeedDeserializer.JsonReader.NodeType == JsonNodeType.StartObject;
this.jsonEntryAndFeedDeserializer.ReadFeedStart(new ODataFeed(), isResultsWrapperExpected, true);
this.CurrentJsonScope.FeedHasResultsWrapper = isResultsWrapperExpected;
this.ReadExpandedCollectionNavigationLinkContentInRequest();
}
}
return(true);
}
internal void ValidateEntryMetadata(IODataJsonReaderEntryState entryState)
{
ODataEntry entry = entryState.Entry;
IEdmEntityType entityType = entryState.EntityType;
if (base.Model.HasDefaultStream(entityType) && (entry.MediaResource == null))
{
ODataStreamReferenceValue instance = null;
ODataJsonReaderUtils.EnsureInstance <ODataStreamReferenceValue>(ref instance);
entry.MediaResource = instance;
}
bool useDefaultFormatBehavior = base.UseDefaultFormatBehavior;
ValidationUtils.ValidateEntryMetadata(entry, entityType, base.Model, useDefaultFormatBehavior);
}
private void ReadPropertiesMetadataProperty(IODataJsonReaderEntryState entryState, ref ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField)
{
if (!base.ReadingResponse || (base.MessageReaderSettings.MaxProtocolVersion < ODataVersion.V3))
{
base.JsonReader.SkipValue();
}
else
{
ODataJsonReaderUtils.VerifyMetadataPropertyNotFound(ref metadataPropertiesFoundBitField, ODataJsonReaderUtils.MetadataPropertyBitMask.Properties, "properties");
if (base.JsonReader.NodeType != JsonNodeType.StartObject)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_PropertyInEntryMustHaveObjectValue("properties", base.JsonReader.NodeType));
}
base.JsonReader.ReadStartObject();
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
string associationLinkName = base.JsonReader.ReadPropertyName();
ValidationUtils.ValidateAssociationLinkName(associationLinkName);
ReaderValidationUtils.ValidateNavigationPropertyDefined(associationLinkName, entryState.EntityType, base.MessageReaderSettings);
base.JsonReader.ReadStartObject();
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
if (string.CompareOrdinal(base.JsonReader.ReadPropertyName(), "associationuri") == 0)
{
string propertyValue = base.JsonReader.ReadStringValue("associationuri");
ODataJsonReaderUtils.ValidateMetadataStringProperty(propertyValue, "associationuri");
ODataAssociationLink associationLink = new ODataAssociationLink {
Name = associationLinkName,
Url = base.ProcessUriFromPayload(propertyValue)
};
ValidationUtils.ValidateAssociationLink(associationLink);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(associationLink);
ReaderUtils.AddAssociationLinkToEntry(entryState.Entry, associationLink);
}
else
{
base.JsonReader.SkipValue();
}
}
base.JsonReader.ReadEndObject();
}
base.JsonReader.ReadEndObject();
}
}
/// <summary>
/// Read an entry-level property and check its version compliance.
/// </summary>
/// <param name="entryState">The state of the reader for entry to read.</param>
/// <param name="edmProperty">The EDM property of the property being read, or null if the property is an open property.</param>
/// <remarks>
/// Pre-Condition: The reader is positioned on the first node of the property value
/// Post-Condition: JsonNodeType.Property: the next property of the entry
/// JsonNodeType.EndObject: the end-object node of the entry
/// </remarks>
private void ReadEntryProperty(IODataJsonReaderEntryState entryState, IEdmProperty edmProperty)
{
Debug.Assert(entryState != null, "entryState != null");
Debug.Assert(edmProperty != null, "edmProperty != null");
this.JsonReader.AssertNotBuffering();
ODataNullValueBehaviorKind nullValueReadBehaviorKind = this.ReadingResponse
? ODataNullValueBehaviorKind.Default
: this.Model.NullValueReadBehaviorKind(edmProperty);
IEdmTypeReference propertyTypeReference = edmProperty.Type;
object propertyValue = propertyTypeReference.IsStream()
? this.ReadStreamPropertyValue()
: this.ReadNonEntityValue(
propertyTypeReference,
/*duplicatePropertyNamesChecker*/ null,
/*collectionValidator*/ null,
nullValueReadBehaviorKind == ODataNullValueBehaviorKind.Default);
if (nullValueReadBehaviorKind != ODataNullValueBehaviorKind.IgnoreValue || propertyValue != null)
{
AddEntryProperty(entryState, edmProperty.Name, propertyValue);
}
this.JsonReader.AssertNotBuffering();
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"Post-Condition: expected JsonNodeType.Property or JsonNodeType.EndObject");
}
/// <summary>
/// Read an open property.
/// </summary>
/// <param name="entryState">The state of the reader for entry to read.</param>
/// <param name="propertyName">The name of the open property to read.</param>
/// <remarks>
/// Pre-Condition: The reader is positioned on the first node of the property value
/// Post-Condition: JsonNodeType.Property: the next property of the entry
/// JsonNodeType.EndObject: the end-object node of the entry
/// </remarks>
private void ReadOpenProperty(IODataJsonReaderEntryState entryState, string propertyName)
{
Debug.Assert(entryState != null, "entryState != null");
Debug.Assert(!string.IsNullOrEmpty(propertyName), "!string.IsNullOrEmpty(propertyName)");
this.JsonReader.AssertNotBuffering();
object propertyValue = this.ReadNonEntityValue(
/*expectedValueTypeReference*/ null,
/*duplicatePropertyNamesChecker*/ null,
/*collectionValidator*/ null,
/*validateNullValue*/ true);
ValidationUtils.ValidateOpenPropertyValue(propertyName, propertyValue);
AddEntryProperty(entryState, propertyName, propertyValue);
this.JsonReader.AssertNotBuffering();
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"Post-Condition: expected JsonNodeType.Property or JsonNodeType.EndObject");
}
/// <summary>
/// Reads the content of an entry until a navigation link is detected.
/// </summary>
/// <param name="entryState">The state of the reader for entry to read.</param>
/// <param name="navigationProperty">If a navigation link was found this parameter will hold the navigation property for that link, otherwise it's null.</param>
/// <returns>A <see cref="ODataNavigationLink"/> instance representing the navigation link detected while reading the entry contents; null if no navigation link was detected.</returns>
/// <remarks>
/// Pre-Condition: JsonNodeType.Property The property to read
/// JsonNodeType.EndObject If no (more) properties exist in the entry's content
/// Post-Condition: JsonNodeType.EndObject If no (more) properties exist in the entry's content
/// JsonNodeType.StartObject The first node of the navigation link property value to read next
/// (deferred link or entry inside expanded link or feed with 'results' wrapper inside expanded link)
/// JsonNodeType.StartArray feed without 'results' wrapper inside of expanded link
/// JsonNodeType.PrimitiveValue (null) Expanded null entry
/// </remarks>
internal ODataNavigationLink ReadEntryContent(
IODataJsonReaderEntryState entryState,
out IEdmNavigationProperty navigationProperty)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(entryState != null, "entryState != null");
Debug.Assert(entryState.EntityType != null && this.Model.IsUserModel(), "A non-null entity type and non-null model are required.");
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"Pre-Condition: JsonNodeType.Property or JsonNodeType.EndObject");
this.JsonReader.AssertNotBuffering();
ODataNavigationLink navigationLink = null;
navigationProperty = null;
IEdmEntityType entityType = entryState.EntityType;
Debug.Assert(entityType != null, "In JSON we must always have an entity type when reading entity.");
// figure out whether we have more properties for this entry
// read all the properties until we hit a link
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
string propertyName = this.JsonReader.ReadPropertyName();
// check the well-known property names first
if (string.CompareOrdinal(JsonConstants.ODataMetadataName, propertyName) == 0)
{
// __metadata property
if (entryState.MetadataPropertyFound)
{
throw new ODataException(o.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesInEntryValue);
}
entryState.MetadataPropertyFound = true;
// Just skip over the value since we should have already scanned ahead for it by now.
this.JsonReader.SkipValue();
}
else
{
if (!ValidationUtils.IsValidPropertyName(propertyName))
{
this.JsonReader.SkipValue();
continue;
}
IEdmProperty edmProperty = ReaderValidationUtils.FindDefinedProperty(propertyName, entityType, this.MessageReaderSettings);
if (edmProperty != null)
{
// Declared property - read it.
navigationProperty = edmProperty as IEdmNavigationProperty;
if (navigationProperty != null)
{
if (this.ShouldEntryPropertyBeSkipped())
{
this.JsonReader.SkipValue();
}
else
{
// this can be a deferred link or an expanded link (with entry or feed payload)
bool isCollection = navigationProperty.Type.IsCollection();
navigationLink = new ODataNavigationLink
{
Name = propertyName,
IsCollection = isCollection
};
this.ValidateNavigationLinkPropertyValue(isCollection);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNamesOnNavigationLinkStart(navigationLink);
}
}
else
{
// NOTE: we currently do not check whether the property should be skipped
// here because this can only happen for navigation properties and open properties.
this.ReadEntryProperty(entryState, edmProperty);
}
}
else
{
if (entityType.IsOpen)
{
if (this.ShouldEntryPropertyBeSkipped())
{
this.JsonReader.SkipValue();
}
else
{
// Open property - read it as such.
this.ReadOpenProperty(entryState, propertyName);
}
}
else
{
// Undeclared property on a non-open type - we need to run detection alogorithm here.
navigationLink = this.ReadUndeclaredProperty(entryState, propertyName);
// Note that if navigation link is returned it's already validated, so we just report it here.
}
}
}
if (navigationLink != null)
{
// we found a navigation link
// stop parsing the entry content and return to the caller
break;
}
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"After reading a property the reader should be positioned on another property or have hit the end of the object.");
}
this.JsonReader.AssertNotBuffering();
// The reader can be either on
// - StartObject - if it's an expanded entry, or expanded feed wrapped with 'results' wrapper
// - StartArray - if it's an expanded feed that is not wrapped with 'results' wrapper
// - PrimitiveValue (null) - if it's an expanded null entry
// - EndObject - end of the entry
Debug.Assert(
navigationLink != null && this.JsonReader.NodeType == JsonNodeType.StartObject ||
navigationLink != null && this.JsonReader.NodeType == JsonNodeType.StartArray ||
navigationLink != null && this.JsonReader.NodeType == JsonNodeType.PrimitiveValue && this.JsonReader.Value == null ||
this.JsonReader.NodeType == JsonNodeType.EndObject,
"Post-Condition: expected JsonNodeType.StartObject or JsonNodeType.StartArray or JsonNodeType.EndObject or JsonNodeType.Primitive (with null value)");
return navigationLink;
}
/// <summary>
/// Adds a new property to an entry.
/// </summary>
/// <param name="entryState">The entry state for the entry to add the property to.</param>
/// <param name="propertyName">The name of the property to add.</param>
/// <param name="propertyValue">The value of the property to add.</param>
private static void AddEntryProperty(IODataJsonReaderEntryState entryState, string propertyName, object propertyValue)
{
Debug.Assert(entryState != null, "entryState != null");
Debug.Assert(!string.IsNullOrEmpty(propertyName), "!string.IsNullOrEmpty(propertyName)");
ODataProperty property = new ODataProperty { Name = propertyName, Value = propertyValue };
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
ReaderUtils.AddPropertyToPropertiesList(entryState.Entry.Properties, property);
}
/// <summary>
/// Reads the entry metadata property.
/// </summary>
/// <param name="entryState">The state of the reader for entry to read.</param>
/// <remarks>
/// This method does not move the reader.
/// Pre-Condition: JsonNodeType.Object The start object of the __metadata property value.
/// Post-Condition: JsonNodeType.EndObject The end object of the __metadtaa property value.
/// </remarks>
internal void ReadEntryMetadataPropertyValue(IODataJsonReaderEntryState entryState)
{
DebugUtils.CheckNoExternalCallers();
this.AssertJsonCondition(JsonNodeType.StartObject);
this.JsonReader.AssertBuffering();
ODataEntry entry = entryState.Entry;
// read over the start-object node
this.JsonReader.ReadStartObject();
ODataStreamReferenceValue mediaResource = null;
ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField = 0;
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
string propertyName = this.JsonReader.ReadPropertyName();
switch (propertyName)
{
case JsonConstants.ODataMetadataUriName: // 'uri'
this.ReadUriMetadataProperty(entry, ref metadataPropertiesFoundBitField);
break;
case JsonConstants.ODataEntryIdName: // 'id'
this.ReadIdMetadataProperty(entry, ref metadataPropertiesFoundBitField);
break;
case JsonConstants.ODataMetadataETagName: // 'etag'
this.ReadETagMetadataProperty(entry, ref metadataPropertiesFoundBitField);
break;
case JsonConstants.ODataMetadataTypeName: // 'type'
// The type was already read and validated.
this.JsonReader.SkipValue();
break;
case JsonConstants.ODataMetadataMediaUriName: // 'media_src'
this.ReadMediaSourceMetadataProperty(ref metadataPropertiesFoundBitField, ref mediaResource);
break;
case JsonConstants.ODataMetadataEditMediaName: // 'edit_media'
this.ReadEditMediaMetadataProperty(ref metadataPropertiesFoundBitField, ref mediaResource);
break;
case JsonConstants.ODataMetadataContentTypeName: // 'content_type'
this.ReadContentTypeMetadataProperty(ref metadataPropertiesFoundBitField, ref mediaResource);
break;
case JsonConstants.ODataMetadataMediaETagName: // 'media_etag'
this.ReadMediaETagMetadataProperty(ref metadataPropertiesFoundBitField, ref mediaResource);
break;
case JsonConstants.ODataActionsMetadataName: // 'actions'
this.ReadActionsMetadataProperty(entry, ref metadataPropertiesFoundBitField);
break;
case JsonConstants.ODataFunctionsMetadataName: // 'functions'
this.ReadFunctionsMetadataProperty(entry, ref metadataPropertiesFoundBitField);
break;
case JsonConstants.ODataMetadataPropertiesName: // 'properties'
this.ReadPropertiesMetadataProperty(entryState, ref metadataPropertiesFoundBitField);
break;
default:
// ignore all extra properties in __metadata that we don't understand
this.JsonReader.SkipValue();
break;
}
}
entry.MediaResource = mediaResource;
this.AssertJsonCondition(JsonNodeType.EndObject);
}
/// <summary>
/// Validates entry metadata properties against the model.
/// </summary>
/// <param name="entryState">The state of the reader for entry to read.</param>
/// <remarks>
/// This method must be called only after the ReadEntryMetadata was already called.
/// It should be called always, regardless of whether the __metadata property was found ot not.
/// </remarks>
internal void ValidateEntryMetadata(IODataJsonReaderEntryState entryState)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(entryState != null, "entryState != null");
ODataEntry entry = entryState.Entry;
IEdmEntityType entityType = entryState.EntityType;
Debug.Assert(entityType != null, "We should have resolved the entity type by now.");
if (this.Model.HasDefaultStream(entityType) && entry.MediaResource == null)
{
ODataStreamReferenceValue mediaResource = null;
ODataJsonReaderUtils.EnsureInstance(ref mediaResource);
entry.MediaResource = mediaResource;
}
// By default validate the media resource.
// In WCF DS Server mode, do not validate in JSON (here).
// In WCF DS Client mode, do not validate.
bool validateMediaResource = this.UseDefaultFormatBehavior;
ValidationUtils.ValidateEntryMetadata(entry, entityType, this.Model, validateMediaResource);
}
private void ReadPropertiesMetadataProperty(IODataJsonReaderEntryState entryState, ref ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField)
{
if (!base.ReadingResponse || (base.MessageReaderSettings.MaxProtocolVersion < ODataVersion.V3))
{
base.JsonReader.SkipValue();
}
else
{
ODataJsonReaderUtils.VerifyMetadataPropertyNotFound(ref metadataPropertiesFoundBitField, ODataJsonReaderUtils.MetadataPropertyBitMask.Properties, "properties");
if (base.JsonReader.NodeType != JsonNodeType.StartObject)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_PropertyInEntryMustHaveObjectValue("properties", base.JsonReader.NodeType));
}
base.JsonReader.ReadStartObject();
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
string associationLinkName = base.JsonReader.ReadPropertyName();
ValidationUtils.ValidateAssociationLinkName(associationLinkName);
ReaderValidationUtils.ValidateNavigationPropertyDefined(associationLinkName, entryState.EntityType, base.MessageReaderSettings);
base.JsonReader.ReadStartObject();
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
if (string.CompareOrdinal(base.JsonReader.ReadPropertyName(), "associationuri") == 0)
{
string propertyValue = base.JsonReader.ReadStringValue("associationuri");
ODataJsonReaderUtils.ValidateMetadataStringProperty(propertyValue, "associationuri");
ODataAssociationLink associationLink = new ODataAssociationLink {
Name = associationLinkName,
Url = base.ProcessUriFromPayload(propertyValue)
};
ValidationUtils.ValidateAssociationLink(associationLink);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(associationLink);
ReaderUtils.AddAssociationLinkToEntry(entryState.Entry, associationLink);
}
else
{
base.JsonReader.SkipValue();
}
}
base.JsonReader.ReadEndObject();
}
base.JsonReader.ReadEndObject();
}
}
/// <summary>
/// Read the property metadata for the properties of an entry being read.
/// </summary>
/// <param name="entryState">The entry state for the current reader.</param>
/// <param name="metadataPropertiesFoundBitField">The bit fields with all the properties found in metadata value so far.</param>
/// <remarks>
/// Pre-Condition: first node of the 'properties' property's value (we will throw if this is not a start object node)
/// Post-Condition: JsonNodeType.Property: the next metadata property
/// JsonNodeType.EndObject: the end-object node of the metadata object
///
/// This method will not validate anything against the model because it will read the type name and thus it can't rely
/// on knowing the actual type of the entry being read.
/// </remarks>
private void ReadPropertiesMetadataProperty(
IODataJsonReaderEntryState entryState,
ref ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField)
{
Debug.Assert(entryState != null, "entryState != null");
if (!this.ReadingResponse || this.MessageReaderSettings.MaxProtocolVersion < ODataVersion.V3)
{
this.JsonReader.SkipValue();
return;
}
ODataJsonReaderUtils.VerifyMetadataPropertyNotFound(
ref metadataPropertiesFoundBitField,
ODataJsonReaderUtils.MetadataPropertyBitMask.Properties,
JsonConstants.ODataMetadataPropertiesName);
this.JsonReader.AssertBuffering();
// make sure the 'properties' property value is an object
if (this.JsonReader.NodeType != JsonNodeType.StartObject)
{
throw new ODataException(o.Strings.ODataJsonEntryAndFeedDeserializer_PropertyInEntryMustHaveObjectValue(JsonConstants.ODataMetadataPropertiesName, this.JsonReader.NodeType));
}
// read over the start-object node of the metadata object for 'properties'
this.JsonReader.ReadStartObject();
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
string propertyName = this.JsonReader.ReadPropertyName();
ValidationUtils.ValidateAssociationLinkName(propertyName);
ReaderValidationUtils.ValidateNavigationPropertyDefined(propertyName, entryState.EntityType, this.MessageReaderSettings);
// read the start-object node of the metadata for the current propertyName
this.JsonReader.ReadStartObject();
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
string innerPropertyName = this.JsonReader.ReadPropertyName();
// ignore all properties we don't understand
if (string.CompareOrdinal(innerPropertyName, JsonConstants.ODataMetadataPropertiesAssociationUriName) == 0)
{
string associationUrlString = this.JsonReader.ReadStringValue(JsonConstants.ODataMetadataPropertiesAssociationUriName);
ODataJsonReaderUtils.ValidateMetadataStringProperty(associationUrlString, JsonConstants.ODataMetadataPropertiesAssociationUriName);
ODataAssociationLink associationLink = new ODataAssociationLink
{
Name = propertyName,
Url = this.ProcessUriFromPayload(associationUrlString)
};
ValidationUtils.ValidateAssociationLink(associationLink);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(associationLink);
ReaderUtils.AddAssociationLinkToEntry(entryState.Entry, associationLink);
}
else
{
// skip over all unknown properties and read the next property or
// the end of the metadata for the current propertyName
this.JsonReader.SkipValue();
}
}
// read the end-object node of the metadata for the current propertyName
this.JsonReader.ReadEndObject();
}
// read over the end-object node of the metadata object for 'properties'
this.JsonReader.ReadEndObject();
this.JsonReader.AssertBuffering();
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"Post-Condition: expected JsonNodeType.Property or JsonNodeType.EndObject");
}
/// <summary>
/// Read an undeclared property. That is a property which is not declared by the model, but the owning type is not an open type.
/// </summary>
/// <param name="entryState">The state of the reader for entry to read.</param>
/// <param name="propertyName">The name of the open property to read.</param>
/// <remarks>
/// Pre-Condition: The reader is positioned on the first node of the property value
/// Post-Condition: JsonNodeType.Property: the next property of the entry
/// JsonNodeType.EndObject: the end-object node of the entry
/// </remarks>
/// <returns>A navigation link instance if the propery read is a navigation link which should be reported to the caller.
/// Otherwise null if the property was either ignored or read and added to the list of properties on the entry.</returns>
private ODataNavigationLink ReadUndeclaredProperty(IODataJsonReaderEntryState entryState, string propertyName)
{
Debug.Assert(entryState != null, "entryState != null");
Debug.Assert(!string.IsNullOrEmpty(propertyName), "!string.IsNullOrEmpty(propertyName)");
// Undeclared property
// Detect whether it's a link property or value property.
// Link properties are stream properties and deferred links.
bool streamPropertyFound = false;
bool deferredLinkFound = false;
if (this.JsonReader.NodeType == JsonNodeType.StartObject)
{
this.JsonReader.StartBuffering();
// Both stream property and deferred link must be an object with exactly one property in it, with the right name.
this.JsonReader.Read();
if (this.JsonReader.NodeType == JsonNodeType.Property)
{
string innerPropertyName = this.JsonReader.ReadPropertyName();
if (string.CompareOrdinal(innerPropertyName, JsonConstants.ODataDeferredName) == 0)
{
deferredLinkFound = true;
}
else if (string.CompareOrdinal(innerPropertyName, JsonConstants.ODataMetadataMediaResourceName) == 0)
{
streamPropertyFound = true;
}
this.JsonReader.SkipValue();
// The __mediaresource or __deferred is not the only property, so the value is not a stream property or deferred link.
if (this.JsonReader.NodeType != JsonNodeType.EndObject)
{
streamPropertyFound = false;
deferredLinkFound = false;
}
}
this.JsonReader.StopBuffering();
}
if (streamPropertyFound || deferredLinkFound)
{
// Undeclared link properties (stream property or deferred links) are reported if the right flag is used, otherwise we need to fail
// reporting the undeclared property.
if (!this.MessageReaderSettings.UndeclaredPropertyBehaviorKinds.HasFlag(ODataUndeclaredPropertyBehaviorKinds.ReportUndeclaredLinkProperty))
{
throw new ODataException(o.Strings.ValidationUtils_PropertyDoesNotExistOnType(propertyName, entryState.EntityType.ODataFullName()));
}
}
else
{
// Undeclared value properties (anything which doesn't look like stream property or deferred link) are ignored if the right flag is used,
// otherwise we need to fail reporting the undeclared property.
if (!this.MessageReaderSettings.UndeclaredPropertyBehaviorKinds.HasFlag(ODataUndeclaredPropertyBehaviorKinds.IgnoreUndeclaredValueProperty))
{
throw new ODataException(o.Strings.ValidationUtils_PropertyDoesNotExistOnType(propertyName, entryState.EntityType.ODataFullName()));
}
}
if (deferredLinkFound)
{
// We've found a deferred link - so report it (we've already checked the flags which allow this).
ODataNavigationLink navigationLink = new ODataNavigationLink
{
Name = propertyName,
IsCollection = null
};
// Note - no need to validate the navigation link since we know it's a valid deferred link at least from the first object content.
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNamesOnNavigationLinkStart(navigationLink);
return navigationLink;
}
if (streamPropertyFound)
{
// We've found a stream property, so read it and report it (we've already checked the flags which allow this).
object propertyValue = this.ReadStreamPropertyValue();
AddEntryProperty(entryState, propertyName, propertyValue);
return null;
}
// Primitive, Complex, Collection or expanded link property, or property we don't recognize - treat all of these as value properties
// and thus ignore them.
// Note that in JSON expanded navigation links don't have the URL of the navigation link (the "href")
// and thus we would have nothing to report even if the ReportUndeclaredLinkProperty would be set to true.
// As such it's OK to treat them as value properties all up.
this.JsonReader.SkipValue();
return null;
}
private void ReadOpenProperty(IODataJsonReaderEntryState entryState, string propertyName)
{
object obj2 = base.ReadNonEntityValue(null, null, null, true);
ValidationUtils.ValidateOpenPropertyValue(propertyName, obj2);
AddEntryProperty(entryState, propertyName, obj2);
}
internal ODataNavigationLink ReadEntryContent(IODataJsonReaderEntryState entryState, out IEdmNavigationProperty navigationProperty)
{
ODataNavigationLink navigationLink = null;
navigationProperty = null;
IEdmEntityType entityType = entryState.EntityType;
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
string strB = base.JsonReader.ReadPropertyName();
if (string.CompareOrdinal("__metadata", strB) == 0)
{
if (entryState.MetadataPropertyFound)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesInEntryValue);
}
entryState.MetadataPropertyFound = true;
base.JsonReader.SkipValue();
}
else
{
if (!ValidationUtils.IsValidPropertyName(strB))
{
base.JsonReader.SkipValue();
continue;
}
IEdmProperty edmProperty = ReaderValidationUtils.FindDefinedProperty(strB, entityType, base.MessageReaderSettings);
if (edmProperty != null)
{
navigationProperty = edmProperty as IEdmNavigationProperty;
if (navigationProperty != null)
{
if (this.ShouldEntryPropertyBeSkipped())
{
base.JsonReader.SkipValue();
}
else
{
bool flag = navigationProperty.Type.IsCollection();
navigationLink = new ODataNavigationLink {
Name = strB,
IsCollection = new bool?(flag)
};
this.ValidateNavigationLinkPropertyValue(flag);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNamesOnNavigationLinkStart(navigationLink);
}
}
else
{
this.ReadEntryProperty(entryState, edmProperty);
}
}
else if (entityType.IsOpen)
{
if (this.ShouldEntryPropertyBeSkipped())
{
base.JsonReader.SkipValue();
}
else
{
this.ReadOpenProperty(entryState, strB);
}
}
else
{
navigationLink = this.ReadUndeclaredProperty(entryState, strB);
}
}
if (navigationLink != null)
{
return navigationLink;
}
}
return navigationLink;
}
private ODataNavigationLink ReadUndeclaredProperty(IODataJsonReaderEntryState entryState, string propertyName)
{
bool flag = false;
bool flag2 = false;
if (base.JsonReader.NodeType == JsonNodeType.StartObject)
{
base.JsonReader.StartBuffering();
base.JsonReader.Read();
if (base.JsonReader.NodeType == JsonNodeType.Property)
{
string strA = base.JsonReader.ReadPropertyName();
if (string.CompareOrdinal(strA, "__deferred") == 0)
{
flag2 = true;
}
else if (string.CompareOrdinal(strA, "__mediaresource") == 0)
{
flag = true;
}
base.JsonReader.SkipValue();
if (base.JsonReader.NodeType != JsonNodeType.EndObject)
{
flag = false;
flag2 = false;
}
}
base.JsonReader.StopBuffering();
}
if (flag || flag2)
{
if (!base.MessageReaderSettings.UndeclaredPropertyBehaviorKinds.HasFlag(ODataUndeclaredPropertyBehaviorKinds.ReportUndeclaredLinkProperty))
{
throw new ODataException(Microsoft.Data.OData.Strings.ValidationUtils_PropertyDoesNotExistOnType(propertyName, entryState.EntityType.ODataFullName()));
}
}
else if (!base.MessageReaderSettings.UndeclaredPropertyBehaviorKinds.HasFlag(ODataUndeclaredPropertyBehaviorKinds.IgnoreUndeclaredValueProperty))
{
throw new ODataException(Microsoft.Data.OData.Strings.ValidationUtils_PropertyDoesNotExistOnType(propertyName, entryState.EntityType.ODataFullName()));
}
if (flag2)
{
ODataNavigationLink navigationLink = new ODataNavigationLink {
Name = propertyName,
IsCollection = null
};
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNamesOnNavigationLinkStart(navigationLink);
return navigationLink;
}
if (flag)
{
object propertyValue = this.ReadStreamPropertyValue();
AddEntryProperty(entryState, propertyName, propertyValue);
return null;
}
base.JsonReader.SkipValue();
return null;
}
internal void ReadEntryMetadataPropertyValue(IODataJsonReaderEntryState entryState)
{
ODataEntry entry = entryState.Entry;
base.JsonReader.ReadStartObject();
ODataStreamReferenceValue mediaResource = null;
ODataJsonReaderUtils.MetadataPropertyBitMask none = ODataJsonReaderUtils.MetadataPropertyBitMask.None;
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
switch (base.JsonReader.ReadPropertyName())
{
case "uri":
{
this.ReadUriMetadataProperty(entry, ref none);
continue;
}
case "id":
{
this.ReadIdMetadataProperty(entry, ref none);
continue;
}
case "etag":
{
this.ReadETagMetadataProperty(entry, ref none);
continue;
}
case "type":
{
base.JsonReader.SkipValue();
continue;
}
case "media_src":
{
this.ReadMediaSourceMetadataProperty(ref none, ref mediaResource);
continue;
}
case "edit_media":
{
this.ReadEditMediaMetadataProperty(ref none, ref mediaResource);
continue;
}
case "content_type":
{
this.ReadContentTypeMetadataProperty(ref none, ref mediaResource);
continue;
}
case "media_etag":
{
this.ReadMediaETagMetadataProperty(ref none, ref mediaResource);
continue;
}
case "actions":
{
this.ReadActionsMetadataProperty(entry, ref none);
continue;
}
case "functions":
{
this.ReadFunctionsMetadataProperty(entry, ref none);
continue;
}
case "properties":
{
this.ReadPropertiesMetadataProperty(entryState, ref none);
continue;
}
}
base.JsonReader.SkipValue();
}
entry.MediaResource = mediaResource;
}
internal ODataNavigationLink ReadEntryContent(IODataJsonReaderEntryState entryState, out IEdmNavigationProperty navigationProperty)
{
ODataNavigationLink navigationLink = null;
navigationProperty = null;
IEdmEntityType entityType = entryState.EntityType;
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
string strB = base.JsonReader.ReadPropertyName();
if (string.CompareOrdinal("__metadata", strB) == 0)
{
if (entryState.MetadataPropertyFound)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesInEntryValue);
}
entryState.MetadataPropertyFound = true;
base.JsonReader.SkipValue();
}
else
{
if (!ValidationUtils.IsValidPropertyName(strB))
{
base.JsonReader.SkipValue();
continue;
}
IEdmProperty edmProperty = ReaderValidationUtils.FindDefinedProperty(strB, entityType, base.MessageReaderSettings);
if (edmProperty != null)
{
navigationProperty = edmProperty as IEdmNavigationProperty;
if (navigationProperty != null)
{
if (this.ShouldEntryPropertyBeSkipped())
{
base.JsonReader.SkipValue();
}
else
{
bool flag = navigationProperty.Type.IsCollection();
navigationLink = new ODataNavigationLink {
Name = strB,
IsCollection = new bool?(flag)
};
this.ValidateNavigationLinkPropertyValue(flag);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNamesOnNavigationLinkStart(navigationLink);
}
}
else
{
this.ReadEntryProperty(entryState, edmProperty);
}
}
else if (entityType.IsOpen)
{
if (this.ShouldEntryPropertyBeSkipped())
{
base.JsonReader.SkipValue();
}
else
{
this.ReadOpenProperty(entryState, strB);
}
}
else
{
navigationLink = this.ReadUndeclaredProperty(entryState, strB);
}
}
if (navigationLink != null)
{
return(navigationLink);
}
}
return(navigationLink);
}
internal void ValidateEntryMetadata(IODataJsonReaderEntryState entryState)
{
ODataEntry entry = entryState.Entry;
IEdmEntityType entityType = entryState.EntityType;
if (base.Model.HasDefaultStream(entityType) && (entry.MediaResource == null))
{
ODataStreamReferenceValue instance = null;
ODataJsonReaderUtils.EnsureInstance<ODataStreamReferenceValue>(ref instance);
entry.MediaResource = instance;
}
bool useDefaultFormatBehavior = base.UseDefaultFormatBehavior;
ValidationUtils.ValidateEntryMetadata(entry, entityType, base.Model, useDefaultFormatBehavior);
}
internal void ReadEntryMetadataPropertyValue(IODataJsonReaderEntryState entryState)
{
ODataEntry entry = entryState.Entry;
base.JsonReader.ReadStartObject();
ODataStreamReferenceValue mediaResource = null;
ODataJsonReaderUtils.MetadataPropertyBitMask none = ODataJsonReaderUtils.MetadataPropertyBitMask.None;
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
switch (base.JsonReader.ReadPropertyName())
{
case "uri":
{
this.ReadUriMetadataProperty(entry, ref none);
continue;
}
case "id":
{
this.ReadIdMetadataProperty(entry, ref none);
continue;
}
case "etag":
{
this.ReadETagMetadataProperty(entry, ref none);
continue;
}
case "type":
{
base.JsonReader.SkipValue();
continue;
}
case "media_src":
{
this.ReadMediaSourceMetadataProperty(ref none, ref mediaResource);
continue;
}
case "edit_media":
{
this.ReadEditMediaMetadataProperty(ref none, ref mediaResource);
continue;
}
case "content_type":
{
this.ReadContentTypeMetadataProperty(ref none, ref mediaResource);
continue;
}
case "media_etag":
{
this.ReadMediaETagMetadataProperty(ref none, ref mediaResource);
continue;
}
case "actions":
{
this.ReadActionsMetadataProperty(entry, ref none);
continue;
}
case "functions":
{
this.ReadFunctionsMetadataProperty(entry, ref none);
continue;
}
case "properties":
{
this.ReadPropertiesMetadataProperty(entryState, ref none);
continue;
}
}
base.JsonReader.SkipValue();
}
entry.MediaResource = mediaResource;
}
private void ReadEntryProperty(IODataJsonReaderEntryState entryState, IEdmProperty edmProperty)
{
ODataNullValueBehaviorKind kind = base.ReadingResponse ? ODataNullValueBehaviorKind.Default : base.Model.NullValueReadBehaviorKind(edmProperty);
IEdmTypeReference type = edmProperty.Type;
object propertyValue = type.IsStream() ? this.ReadStreamPropertyValue() : base.ReadNonEntityValue(type, null, null, kind == ODataNullValueBehaviorKind.Default);
if ((kind != ODataNullValueBehaviorKind.IgnoreValue) || (propertyValue != null))
{
AddEntryProperty(entryState, edmProperty.Name, propertyValue);
}
}
