/// <summary>
/// Creates a context URI parser and parses the context URI read from the payload.
/// </summary>
/// <param name="model">The model to use when resolving the target of the URI.</param>
/// <param name="contextUriFromPayload">The string value of the odata.metadata annotation read from the payload.</param>
/// <param name="payloadKind">The payload kind we expect the context URI to conform to.</param>
/// <param name="version">The OData version to use for determining the set of built-in functions available.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="needParseFragment">Whether the fragment after $metadata should be parsed, if set to false, only MetadataDocumentUri is parsed.</param>
/// <returns>The result from parsing the context URI.</returns>
internal static ODataJsonLightContextUriParseResult Parse(
IEdmModel model,
string contextUriFromPayload,
ODataPayloadKind payloadKind,
ODataVersion version,
ODataReaderBehavior readerBehavior,
bool needParseFragment)
{
if (contextUriFromPayload == null)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_NullMetadataDocumentUri);
}
// Create an absolute URI from the payload string
Uri contextUri = new Uri(contextUriFromPayload, UriKind.Absolute);
ODataJsonLightContextUriParser parser = new ODataJsonLightContextUriParser(model, contextUri);
parser.TokenizeContextUri();
if (needParseFragment)
{
parser.ParseContextUri(payloadKind, readerBehavior, version);
}
return(parser.parseResult);
}
/// <summary>
/// Creates a context URI parser and parses the context URI read from the payload.
/// </summary>
/// <param name="model">The model to use when resolving the target of the URI.</param>
/// <param name="contextUriFromPayload">The string value of the odata.metadata annotation read from the payload.</param>
/// <param name="payloadKind">The payload kind we expect the context URI to conform to.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="needParseFragment">Whether the fragment after $metadata should be parsed, if set to false, only MetadataDocumentUri is parsed.</param>
/// <returns>The result from parsing the context URI.</returns>
internal static ODataJsonLightContextUriParseResult Parse(
IEdmModel model,
string contextUriFromPayload,
ODataPayloadKind payloadKind,
ODataReaderBehavior readerBehavior,
bool needParseFragment)
{
if (contextUriFromPayload == null)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_NullMetadataDocumentUri);
}
// Create an absolute URI from the payload string
// TODO: Support relative context uri and resolving other relative uris
Uri contextUri;
if (!Uri.TryCreate(contextUriFromPayload, UriKind.Absolute, out contextUri))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_TopLevelContextUrlShouldBeAbsolute(contextUriFromPayload));
}
ODataJsonLightContextUriParser parser = new ODataJsonLightContextUriParser(model, contextUri);
parser.TokenizeContextUri();
if (needParseFragment)
{
parser.ParseContextUri(payloadKind, readerBehavior);
}
return(parser.parseResult);
}
/// <summary>
/// Creates a context URI parser and parses the context URI read from the payload.
/// </summary>
/// <param name="model">The model to use when resolving the target of the URI.</param>
/// <param name="contextUriFromPayload">The string value of the odata.metadata annotation read from the payload.</param>
/// <param name="payloadKind">The payload kind we expect the context URI to conform to.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="needParseFragment">Whether the fragment after $metadata should be parsed, if set to false, only MetadataDocumentUri is parsed.</param>
/// <returns>The result from parsing the context URI.</returns>
internal static ODataJsonLightContextUriParseResult Parse(
IEdmModel model,
string contextUriFromPayload,
ODataPayloadKind payloadKind,
ODataReaderBehavior readerBehavior,
bool needParseFragment)
{
if (contextUriFromPayload == null)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_NullMetadataDocumentUri);
}
// Create an absolute URI from the payload string
// TODO: Support relative context uri and resolving other relative uris
Uri contextUri;
if (!Uri.TryCreate(contextUriFromPayload, UriKind.Absolute, out contextUri))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_TopLevelContextUrlShouldBeAbsolute(contextUriFromPayload));
}
ODataJsonLightContextUriParser parser = new ODataJsonLightContextUriParser(model, contextUri);
parser.TokenizeContextUri();
if (needParseFragment)
{
parser.ParseContextUri(payloadKind, readerBehavior);
}
return parser.parseResult;
}
/// <summary>
/// Applies the model and validates the context URI against it.
/// </summary>
/// <param name="expectedPayloadKind">The payload kind we expect the context URI to conform to.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
private void ParseContextUri(ODataPayloadKind expectedPayloadKind, ODataReaderBehavior readerBehavior)
{
ODataPayloadKind detectedPayloadKind = this.ParseContextUriFragment(this.parseResult.Fragment, readerBehavior);
// unsupported payload kind indicates that this is during payload kind detection, so we should not fail.
bool detectedPayloadKindMatchesExpectation = detectedPayloadKind == expectedPayloadKind || expectedPayloadKind == ODataPayloadKind.Unsupported;
if (detectedPayloadKind == ODataPayloadKind.Collection)
{
// If the detected payload kind is 'collection' it can always also be treated as a property.
this.parseResult.DetectedPayloadKinds = new[] { ODataPayloadKind.Collection, ODataPayloadKind.Property };
if (expectedPayloadKind == ODataPayloadKind.Property)
{
detectedPayloadKindMatchesExpectation = true;
}
}
else if (detectedPayloadKind == ODataPayloadKind.Entry)
{
this.parseResult.DetectedPayloadKinds = new[] { ODataPayloadKind.Entry, ODataPayloadKind.Delta };
if (expectedPayloadKind == ODataPayloadKind.Delta)
{
this.parseResult.DeltaKind = ODataDeltaKind.Entry;
detectedPayloadKindMatchesExpectation = true;
}
}
else
{
this.parseResult.DetectedPayloadKinds = new[] { detectedPayloadKind };
}
// If the expected and detected payload kinds don't match and we are not running payload kind detection
// right now (payloadKind == ODataPayloadKind.Unsupported) and we did not detect a collection kind for
// an expected property kind (which is allowed), fail.
if (!detectedPayloadKindMatchesExpectation)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_ContextUriDoesNotMatchExpectedPayloadKind(UriUtils.UriToString(this.parseResult.ContextUri), expectedPayloadKind.ToString()));
}
// NOTE: we interpret an empty select query option to mean that nothing should be projected
// (whereas a missing select query option means everything should be projected).
string selectQueryOption = this.parseResult.SelectQueryOption;
if (selectQueryOption != null)
{
if (detectedPayloadKind != ODataPayloadKind.Feed && detectedPayloadKind != ODataPayloadKind.Entry && detectedPayloadKind != ODataPayloadKind.Delta)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidPayloadKindWithSelectQueryOption(expectedPayloadKind.ToString()));
}
}
}
private void CompareReaderBehavior(
ODataMessageReaderSettings settings,
ODataBehaviorKind formatBehaviorKind,
ODataBehaviorKind apiBehaviorKind,
bool allowDuplicatePropertyNames,
Func <IEdmType, string, IEdmType> typeResolver)
{
ODataReaderBehavior readerBehavior = settings.ReaderBehavior;
Assert.AreEqual(formatBehaviorKind, readerBehavior.FormatBehaviorKind, "Reader format behavior kinds don't match.");
Assert.AreEqual(apiBehaviorKind, readerBehavior.ApiBehaviorKind, "Reader API behavior kinds don't match.");
Assert.AreEqual(allowDuplicatePropertyNames, readerBehavior.AllowDuplicatePropertyNames, "AllowDuplicatePropertyNames values don't match.");
Assert.AreSame(typeResolver, readerBehavior.TypeResolver, "TypeResolver values don't match.");
}
/// <summary>
/// Resolves a type.
/// </summary>
/// <param name="typeName">The type name.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="version">The version of the payload being read.</param>
/// <returns>The resolved Edm type.</returns>
private IEdmType ResolveType(string typeName, ODataReaderBehavior readerBehavior, ODataVersion version)
{
string typeNameToResolve = EdmLibraryExtensions.GetCollectionItemTypeName(typeName) ?? typeName;
EdmTypeKind typeKind;
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForRead(this.model, /*expectedType*/ null, typeNameToResolve, readerBehavior, version, out typeKind);
if (resolvedType == null || resolvedType.TypeKind != EdmTypeKind.Primitive && resolvedType.TypeKind != EdmTypeKind.Complex)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_InvalidEntitySetNameOrTypeName(UriUtilsCommon.UriToString(this.parseResult.MetadataUri), typeName));
}
resolvedType = typeNameToResolve == typeName ? resolvedType : EdmLibraryExtensions.GetCollectionType(resolvedType.ToTypeReference(true /*nullable*/));
return(resolvedType);
}
/// <summary>
/// Resolves the name of a primitive, complex, entity or collection type to the respective type. Uses the semantics used be readers.
/// Thus it can be a bit looser.
/// </summary>
/// <param name="model">The model to use.</param>
/// <param name="expectedType">The expected type for the type name being resolved, or null if none is available.</param>
/// <param name="typeName">The name of the type to resolve.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="typeKind">The type kind of the type, if it could be determined. This will be None if we couldn't tell. It might be filled
/// even if the method returns null, for example for Collection types with item types which are not recognized.</param>
/// <returns>The <see cref="IEdmType"/> representing the type specified by the <paramref name="typeName"/>;
/// or null if no such type could be found.</returns>
internal static IEdmType ResolveTypeNameForRead(
IEdmModel model,
IEdmType expectedType,
string typeName,
ODataReaderBehavior readerBehavior,
out EdmTypeKind typeKind)
{
Func <IEdmType, string, IEdmType> customTypeResolver = readerBehavior == null ? null : readerBehavior.TypeResolver;
Debug.Assert(
customTypeResolver == null || readerBehavior.ApiBehaviorKind == ODataBehaviorKind.WcfDataServicesClient,
"Custom type resolver can only be specified in WCF DS Client behavior.");
return(ResolveTypeName(model, expectedType, typeName, customTypeResolver, out typeKind));
}
/// <summary>
/// Creates a metadata URI parser and parses the metadata URI read from the payload.
/// </summary>
/// <param name="model">The model to use when resolving the target of the URI.</param>
/// <param name="metadataUriFromPayload">The string value of the odata.metadata annotation read from the payload.</param>
/// <param name="payloadKind">The payload kind we expect the metadata URI to conform to.</param>
/// <param name="version">The OData version to use for determining the set of built-in functions available.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <returns>The result from parsing the metadata URI.</returns>
internal static ODataJsonLightMetadataUriParseResult Parse(
IEdmModel model,
string metadataUriFromPayload,
ODataPayloadKind payloadKind,
ODataVersion version,
ODataReaderBehavior readerBehavior)
{
DebugUtils.CheckNoExternalCallers();
if (metadataUriFromPayload == null)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_NullMetadataDocumentUri);
}
// Create an absolute URI from the payload string
Uri metadataUri = new Uri(metadataUriFromPayload, UriKind.Absolute);
ODataJsonLightMetadataUriParser parser = new ODataJsonLightMetadataUriParser(model, metadataUri);
parser.TokenizeMetadataUri();
parser.ParseMetadataUri(payloadKind, readerBehavior, version);
return(parser.parseResult);
}
/// <summary>
/// Resolves a type.
/// </summary>
/// <param name="typeName">The type name.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <returns>The resolved Edm type.</returns>
private ODataPayloadKind ResolveType(string typeName, ODataReaderBehavior readerBehavior)
{
string typeNameToResolve = EdmLibraryExtensions.GetCollectionItemTypeName(typeName) ?? typeName;
bool isCollection = typeNameToResolve != typeName;
EdmTypeKind typeKind;
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForRead(this.model, /*expectedType*/ null, typeNameToResolve, readerBehavior, out typeKind);
if (resolvedType == null || resolvedType.TypeKind != EdmTypeKind.Primitive && resolvedType.TypeKind != EdmTypeKind.Enum && resolvedType.TypeKind != EdmTypeKind.Complex && resolvedType.TypeKind != EdmTypeKind.Entity && resolvedType.TypeKind != EdmTypeKind.TypeDefinition)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidEntitySetNameOrTypeName(UriUtils.UriToString(this.parseResult.ContextUri), typeName));
}
if (resolvedType.TypeKind == EdmTypeKind.Entity)
{
this.parseResult.EdmType = resolvedType;
return(isCollection ? ODataPayloadKind.Feed : ODataPayloadKind.Entry);
}
resolvedType = isCollection ? EdmLibraryExtensions.GetCollectionType(resolvedType.ToTypeReference(true /*nullable*/)) : resolvedType;
this.parseResult.EdmType = resolvedType;
return(isCollection ? ODataPayloadKind.Collection : ODataPayloadKind.Property);
}
/// <summary>Creates a new entity set element type resolver with all the information needed when resolving for reading scenarios.</summary>
/// <param name="model">The model to use or null if no model is available.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
public EdmTypeReaderResolver(IEdmModel model, ODataReaderBehavior readerBehavior)
{
this.model = model;
this.readerBehavior = readerBehavior;
}
internal static IEdmType ResolveTypeNameForRead(IEdmModel model, IEdmType expectedType, string typeName, ODataReaderBehavior readerBehavior, ODataVersion version, out EdmTypeKind typeKind)
{
Func <IEdmType, string, IEdmType> customTypeResolver = (readerBehavior == null) ? null : readerBehavior.TypeResolver;
return(ResolveTypeName(model, expectedType, typeName, customTypeResolver, version, out typeKind));
}
private ODataPayloadKind ParseContextUriFragment(string fragment, ODataReaderBehavior readerBehavior)
{
bool hasItemSelector = false;
ODataDeltaKind kind = ODataDeltaKind.None;
// Deal with /$entity
if (fragment.EndsWith(ODataConstants.ContextUriFragmentItemSelector, StringComparison.Ordinal))
{
hasItemSelector = true;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriFragmentItemSelector.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeltaFeed, StringComparison.Ordinal))
{
kind = ODataDeltaKind.Feed;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeltaFeed.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeletedEntry, StringComparison.Ordinal))
{
kind = ODataDeltaKind.DeletedEntry;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeletedEntry.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeltaLink, StringComparison.Ordinal))
{
kind = ODataDeltaKind.Link;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeltaLink.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeletedLink, StringComparison.Ordinal))
{
kind = ODataDeltaKind.DeletedLink;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeletedLink.Length);
}
this.parseResult.DeltaKind = kind;
// Deal with query option
if (fragment.EndsWith(")", StringComparison.Ordinal))
{
int index = fragment.Length - 2;
for (int rcount = 1; rcount > 0 && index > 0; --index)
{
switch (fragment[index])
{
case '(':
rcount--;
break;
case ')':
rcount++;
break;
}
}
if (index == 0)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
string previous = fragment.Substring(0, index + 1);
// Don't treat Collection(Edm.Type) as SelectExpand segment
if (!previous.Equals("Collection"))
{
string selectExpandStr = fragment.Substring(index + 2);
selectExpandStr = selectExpandStr.Substring(0, selectExpandStr.Length - 1);
// Do not treat Key as SelectExpand segment
if (KeyPattern.IsMatch(selectExpandStr))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_LastSegmentIsKeySegment(UriUtils.UriToString(this.parseResult.ContextUri)));
}
this.parseResult.SelectQueryOption = ExtractSelectQueryOption(selectExpandStr);
fragment = previous;
}
}
ODataPayloadKind detectedPayloadKind = ODataPayloadKind.Unsupported;
EdmTypeResolver edmTypeResolver = new EdmTypeReaderResolver(this.model, readerBehavior);
if (!fragment.Contains(ODataConstants.UriSegmentSeparator) && !hasItemSelector && kind == ODataDeltaKind.None)
{
// Service document: no fragment
if (fragment.Length == 0)
{
detectedPayloadKind = ODataPayloadKind.ServiceDocument;
}
else if (fragment.Equals(ODataConstants.ContextUriFragmentNull, StringComparison.OrdinalIgnoreCase))
{
detectedPayloadKind = ODataPayloadKind.Property;
this.parseResult.IsNullProperty = true;
}
else if (fragment.Equals(ODataConstants.EntityReferenceCollectionSegmentName + "(" + ODataConstants.EntityReferenceSegmentName + ")"))
{
detectedPayloadKind = ODataPayloadKind.EntityReferenceLinks;
}
else if (fragment.Equals(ODataConstants.EntityReferenceSegmentName))
{
detectedPayloadKind = ODataPayloadKind.EntityReferenceLink;
}
else
{
var foundNavigationSource = this.model.FindDeclaredNavigationSource(fragment);
if (foundNavigationSource != null)
{
// Feed: {schema.entity-container.entity-set} or Singleton: {schema.entity-container.singleton}
this.parseResult.NavigationSource = foundNavigationSource;
this.parseResult.EdmType = edmTypeResolver.GetElementType(foundNavigationSource);
detectedPayloadKind = foundNavigationSource is IEdmSingleton ? ODataPayloadKind.Entry : ODataPayloadKind.Feed;
}
else
{
// Property: {schema.type} or Collection({schema.type}) where schema.type is primitive or complex.
detectedPayloadKind = this.ResolveType(fragment, readerBehavior);
Debug.Assert(
this.parseResult.EdmType.TypeKind == EdmTypeKind.Primitive || this.parseResult.EdmType.TypeKind == EdmTypeKind.Enum || this.parseResult.EdmType.TypeKind == EdmTypeKind.TypeDefinition || this.parseResult.EdmType.TypeKind == EdmTypeKind.Complex || this.parseResult.EdmType.TypeKind == EdmTypeKind.Collection || this.parseResult.EdmType.TypeKind == EdmTypeKind.Entity,
"The first context URI segment must be a set or a non-entity type.");
}
}
}
else
{
Debug.Assert(this.parseResult.MetadataDocumentUri.IsAbsoluteUri, "this.parseResult.MetadataDocumentUri.IsAbsoluteUri");
string metadataDocumentStr = UriUtils.UriToString(this.parseResult.MetadataDocumentUri);
if (!metadataDocumentStr.EndsWith(ODataConstants.UriMetadataSegment, StringComparison.Ordinal))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
Uri serviceRoot = new Uri(metadataDocumentStr.Substring(0, metadataDocumentStr.Length - ODataConstants.UriMetadataSegment.Length));
ODataUriParser odataUriParser = new ODataUriParser(this.model, serviceRoot, new Uri(serviceRoot, fragment));
ODataPath path;
try
{
path = odataUriParser.ParsePath();
}
catch (ODataException)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
if (path.Count == 0)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
this.parseResult.Path = path;
parseResult.NavigationSource = path.NavigationSource();
parseResult.EdmType = path.LastSegment.EdmType;
ODataPathSegment lastSegment = path.TrimEndingTypeSegment().LastSegment;
if (lastSegment is EntitySetSegment || lastSegment is NavigationPropertySegment)
{
if (kind != ODataDeltaKind.None)
{
detectedPayloadKind = ODataPayloadKind.Delta;
}
else
{
detectedPayloadKind = hasItemSelector ? ODataPayloadKind.Entry : ODataPayloadKind.Feed;
}
if (this.parseResult.EdmType is IEdmCollectionType)
{
var collectionTypeReference = this.parseResult.EdmType.ToTypeReference().AsCollection();
if (collectionTypeReference != null)
{
this.parseResult.EdmType = collectionTypeReference.ElementType().Definition;
}
}
}
else if (lastSegment is SingletonSegment)
{
detectedPayloadKind = ODataPayloadKind.Entry;
}
else if (path.IsIndividualProperty())
{
detectedPayloadKind = ODataPayloadKind.Property;
IEdmCollectionType collectionType = parseResult.EdmType as IEdmCollectionType;
if (collectionType != null)
{
detectedPayloadKind = ODataPayloadKind.Collection;
}
}
else
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
}
return(detectedPayloadKind);
}
/// <summary>
/// Resolves a type.
/// </summary>
/// <param name="typeName">The type name.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <returns>The resolved Edm type.</returns>
private ODataPayloadKind ResolveType(string typeName, ODataReaderBehavior readerBehavior)
{
string typeNameToResolve = EdmLibraryExtensions.GetCollectionItemTypeName(typeName) ?? typeName;
bool isCollection = typeNameToResolve != typeName;
EdmTypeKind typeKind;
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForRead(this.model, /*expectedType*/ null, typeNameToResolve, readerBehavior, out typeKind);
if (resolvedType == null || resolvedType.TypeKind != EdmTypeKind.Primitive && resolvedType.TypeKind != EdmTypeKind.Enum && resolvedType.TypeKind != EdmTypeKind.Complex && resolvedType.TypeKind != EdmTypeKind.Entity && resolvedType.TypeKind != EdmTypeKind.TypeDefinition)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidEntitySetNameOrTypeName(UriUtils.UriToString(this.parseResult.ContextUri), typeName));
}
if (resolvedType.TypeKind == EdmTypeKind.Entity)
{
this.parseResult.EdmType = resolvedType;
return isCollection ? ODataPayloadKind.Feed : ODataPayloadKind.Entry;
}
resolvedType = isCollection ? EdmLibraryExtensions.GetCollectionType(resolvedType.ToTypeReference(true /*nullable*/)) : resolvedType;
this.parseResult.EdmType = resolvedType;
return isCollection ? ODataPayloadKind.Collection : ODataPayloadKind.Property;
}
public void CalculateBindableOperationsForEntityCollectionTypeWithTypeResolver()
{
var bindingType = new EdmCollectionType(this.model.FindType("TestModel.Movie").ToTypeReference(nullable: false));
var bindableOperations = MetadataUtils.CalculateBindableOperationsForType(bindingType, this.model, new EdmTypeReaderResolver(this.model, ODataReaderBehavior.CreateWcfDataServicesClientBehavior(this.NameToTypeResolver)));
Assert.Equal(2, bindableOperations.Length);
foreach (var operation in bindableOperations)
{
Assert.Equal("RateMultiple", operation.Name);
}
}
/// <summary>Creates a new entity set element type resolver with all the information needed when resolving for reading scenarios.</summary>
/// <param name="model">The model to use or null if no model is available.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="version">The version of the payload being read.</param>
public EdmTypeReaderResolver(IEdmModel model, ODataReaderBehavior readerBehavior, ODataVersion version)
{
this.model = model;
this.readerBehavior = readerBehavior;
this.version = version;
}
/// <summary>
/// Converts the given datetime value into the allowed target types.
/// </summary>
/// <param name="datetimeValue">DateTime value as read by the JsonReader.</param>
/// <param name="targetType">Target type to which the datetime value needs to be converted.</param>
/// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
/// <param name="readerBehavior">ODataReaderBehavior instance.</param>
/// <returns>Object which is in sync with the target type.</returns>
private static object ConvertDateTimeValue(DateTime datetimeValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference, ODataReaderBehavior readerBehavior)
{
if (targetType == typeof(DateTimeOffset))
{
// If the kind of DateTime is local or UTC, that means we know the timezone information. Hence we should allow
// conversion to DateTimeOffset - there is no dataloss or ambiguity in that conversion.
if (datetimeValue.Kind == DateTimeKind.Local || datetimeValue.Kind == DateTimeKind.Utc)
{
return(new DateTimeOffset(datetimeValue));
}
}
if (targetType != typeof(DateTime) && (readerBehavior == null || readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
return(datetimeValue);
}
/// <summary>
/// Resolves an entity set with an optional type cast and updates the parse result.
/// </summary>
/// <param name="entitySet">The entity set to resolve the type cast against.</param>
/// <param name="typeCast">The optional type cast.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="version">The version of the payload being read.</param>
/// <param name="entitySetElementType">The type of the given entity set.</param>
/// <returns>The resolved entity type.</returns>
private IEdmEntityType ResolveTypeCast(IEdmEntitySet entitySet, string typeCast, ODataReaderBehavior readerBehavior, ODataVersion version, IEdmEntityType entitySetElementType)
{
Debug.Assert(entitySet != null, "entitySet != null");
IEdmEntityType entityType = entitySetElementType;
// Parse the type cast if it exists
if (!string.IsNullOrEmpty(typeCast))
{
EdmTypeKind typeKind;
entityType = MetadataUtils.ResolveTypeNameForRead(this.model, /*expectedType*/ null, typeCast, readerBehavior, version, out typeKind) as IEdmEntityType;
if (entityType == null)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_InvalidEntityTypeInTypeCast(UriUtilsCommon.UriToString(this.parseResult.MetadataUri), typeCast));
}
// Validate that the entity type is assignable to the base type of the set
if (!entitySetElementType.IsAssignableFrom(entityType))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_IncompatibleEntityTypeInTypeCast(UriUtilsCommon.UriToString(this.parseResult.MetadataUri), typeCast, entitySetElementType.FullName(), entitySet.FullName()));
}
}
return(entityType);
}
/// <summary>
/// Parses the fragment of an entity reference link metadata URI.
/// </summary>
/// <param name="edmTypeResolver">Edm Type Resolver used to get the ElementType of the entity set.</param>
/// <param name="entitySet">Entity Set used as a starting point to find the navigation property</param>
/// <param name="typeName">The name of the type declaring the navigation property.</param>
/// <param name="propertyName">The name of the navigation property.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="version">The version of the payload being read.</param>
/// <returns>The resolved navigation property.</returns>
private IEdmNavigationProperty ResolveEntityReferenceLinkMetadataFragment(EdmTypeResolver edmTypeResolver, IEdmEntitySet entitySet, string typeName, string propertyName, ODataReaderBehavior readerBehavior, ODataVersion version)
{
//// {entitySet}/$links/{nav-property}
//// {entitySet}/$links/{nav-property}/@Element
//// {entitySet}/typeName/$links/{nav-property}
//// {entitySet}/typeName/$links/{nav-property}/@Element
IEdmEntityType edmEntityType = edmTypeResolver.GetElementType(entitySet);
if (typeName != null)
{
edmEntityType = this.ResolveTypeCast(entitySet, typeName, readerBehavior, version, edmEntityType);
}
IEdmNavigationProperty navigationProperty = this.ResolveNavigationProperty(edmEntityType, propertyName);
return(navigationProperty);
}
/// <summary>
/// Returns the parse results of the metadata uri if it has a AssociationLink in the uri
/// </summary>
/// <param name="edmTypeResolver">Edm Type Resolver to determine entityset type element.</param>
/// <param name="partCount">Number of split parts the metadata fragment is split into.</param>
/// <param name="parts">The actual metadata fragment parts.</param>
/// <param name="readerBehavior">The reader behavior.</param>
/// <param name="version">The odata version.</param>
/// <returns>Returns with an EntityReferenceLink or Links depending on the Uri, sets the parse results with the navigation, and set</returns>
private ODataPayloadKind ParseAssociationLinks(EdmTypeResolver edmTypeResolver, int partCount, string[] parts, ODataReaderBehavior readerBehavior, ODataVersion version)
{
return(this.ResolveEntitySet(
parts[0],
(IEdmEntitySet resolvedEntitySet) =>
{
ODataPayloadKind detectedPayloadKind = ODataPayloadKind.Unsupported;
IEdmNavigationProperty navigationProperty;
switch (partCount)
{
case 3:
if (string.CompareOrdinal(ODataConstants.AssociationLinkSegmentName, parts[1]) == 0)
{
// Entity reference links: {schema.entity-container.entity-set}/$links/{nav-property}
navigationProperty = this.ResolveEntityReferenceLinkMetadataFragment(edmTypeResolver, resolvedEntitySet, (string)null, parts[2], readerBehavior, version);
detectedPayloadKind = this.SetEntityLinkParseResults(navigationProperty, null);
}
else
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_InvalidAssociationLink(UriUtilsCommon.UriToString(this.parseResult.MetadataUri)));
}
break;
case 4:
if (string.CompareOrdinal(ODataConstants.AssociationLinkSegmentName, parts[1]) == 0)
{
// Entry with property: {schema.entity-container.entity-set}/$links/{col-nav-property}/@Element
// Entry with property: {schema.entity-container.entity-set}/$links/{ref-nav-property}/@Element (invalid, will throw)
navigationProperty = this.ResolveEntityReferenceLinkMetadataFragment(edmTypeResolver, resolvedEntitySet, null, parts[2], readerBehavior, version);
this.ValidateLinkMetadataUriFragmentItemSelector(parts[3]);
detectedPayloadKind = this.SetEntityLinkParseResults(navigationProperty, parts[3]);
}
else if (string.CompareOrdinal(ODataConstants.AssociationLinkSegmentName, parts[2]) == 0)
{
// Entry with property: {schema.entity-container.entity-set}/type/$links/{colproperty}
navigationProperty = this.ResolveEntityReferenceLinkMetadataFragment(edmTypeResolver, resolvedEntitySet, parts[1], parts[3], readerBehavior, version);
detectedPayloadKind = this.SetEntityLinkParseResults(navigationProperty, null);
}
else
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_InvalidAssociationLink(UriUtilsCommon.UriToString(this.parseResult.MetadataUri)));
}
break;
case 5:
if (string.CompareOrdinal(ODataConstants.AssociationLinkSegmentName, parts[2]) == 0)
{
// Entry with property: {schema.entity-container.entity-set}/type/$links/{navproperty}/@Element
navigationProperty = this.ResolveEntityReferenceLinkMetadataFragment(edmTypeResolver, resolvedEntitySet, parts[1], parts[3], readerBehavior, version);
this.ValidateLinkMetadataUriFragmentItemSelector(parts[2]);
detectedPayloadKind = this.SetEntityLinkParseResults(navigationProperty, parts[4]);
}
else
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_InvalidAssociationLink(UriUtilsCommon.UriToString(this.parseResult.MetadataUri)));
}
break;
default:
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_InvalidAssociationLink(UriUtilsCommon.UriToString(this.parseResult.MetadataUri)));
}
return detectedPayloadKind;
}));
}
private ODataPayloadKind ParseMetadataUriFragment(string fragment, ODataReaderBehavior readerBehavior, ODataVersion version)
{
// remove any query options like $select that may have been embedded in the fragment.
int indexOfQueryOptionSeparator = fragment.IndexOf(JsonLightConstants.MetadataUriQueryOptionSeparator);
if (indexOfQueryOptionSeparator > 0)
{
// Extract the $select query option value from the fragment if it exists
string fragmentQueryOptions = fragment.Substring(indexOfQueryOptionSeparator);
this.parseResult.SelectQueryOption = ExtractSelectQueryOption(fragmentQueryOptions);
fragment = fragment.Substring(0, indexOfQueryOptionSeparator);
}
string[] parts = fragment.Split(JsonLightConstants.MetadataUriFragmentPartSeparator);
int partCount = parts.Length;
ODataPayloadKind detectedPayloadKind = ODataPayloadKind.Unsupported;
EdmTypeResolver edmTypeResolver = new EdmTypeReaderResolver(this.model, readerBehavior, version);
var foundAssociationLinksSegment = fragment.IndexOf(ODataConstants.AssociationLinkSegmentName, StringComparison.Ordinal);
if (foundAssociationLinksSegment > -1)
{
detectedPayloadKind = this.ParseAssociationLinks(edmTypeResolver, partCount, parts, readerBehavior, version);
}
else
{
switch (partCount)
{
case 1:
// Service document: no fragment
if (fragment.Length == 0)
{
detectedPayloadKind = ODataPayloadKind.ServiceDocument;
break;
}
if (parts[0].Equals(JsonLightConstants.MetadataUriFragmentNull, StringComparison.OrdinalIgnoreCase))
{
detectedPayloadKind = ODataPayloadKind.Property;
this.parseResult.IsNullProperty = true;
break;
}
IEdmEntitySet entitySet = this.model.ResolveEntitySet(parts[0]);
if (entitySet != null)
{
// Feed: {schema.entity-container.entity-set}
this.parseResult.EntitySet = entitySet;
this.parseResult.EdmType = edmTypeResolver.GetElementType(entitySet);
detectedPayloadKind = ODataPayloadKind.Feed;
break;
}
// Property: {schema.type} or Collection({schema.type}) where schema.type is primitive or complex.
this.parseResult.EdmType = this.ResolveType(parts[0], readerBehavior, version);
Debug.Assert(
this.parseResult.EdmType.TypeKind == EdmTypeKind.Primitive || this.parseResult.EdmType.TypeKind == EdmTypeKind.Complex || this.parseResult.EdmType.IsNonEntityCollectionType(),
"The first metadata URI segment must be a set or a non-entity type.");
detectedPayloadKind = this.parseResult.EdmType is IEdmCollectionType ? ODataPayloadKind.Collection : ODataPayloadKind.Property;
break;
case 2:
// Entry: {schema.entity-container.entity-set}/@Element
// Feed with type cast: {schema.entity-container.entity-set}/{type-cast}
detectedPayloadKind = this.ResolveEntitySet(
parts[0],
(IEdmEntitySet resolvedEntitySet) =>
{
IEdmEntityType entitySetElementType = edmTypeResolver.GetElementType(resolvedEntitySet);
if (string.CompareOrdinal(JsonLightConstants.MetadataUriFragmentItemSelector, parts[1]) == 0)
{
this.parseResult.EdmType = entitySetElementType;
return(ODataPayloadKind.Entry);
}
else
{
this.parseResult.EdmType = this.ResolveTypeCast(resolvedEntitySet, parts[1], readerBehavior, version, entitySetElementType);
return(ODataPayloadKind.Feed);
}
});
break;
case 3:
detectedPayloadKind = this.ResolveEntitySet(
parts[0],
(IEdmEntitySet resolvedEntitySet) =>
{
IEdmEntityType entitySetElementType = edmTypeResolver.GetElementType(resolvedEntitySet);
// Entry with type cast: {schema.entity-container.entity-set}/{type-cast}/@Element
this.parseResult.EdmType = this.ResolveTypeCast(resolvedEntitySet, parts[1], readerBehavior, version, entitySetElementType);
this.ValidateMetadataUriFragmentItemSelector(parts[2]);
return(ODataPayloadKind.Entry);
});
break;
default:
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_FragmentWithInvalidNumberOfParts(UriUtilsCommon.UriToString(this.parseResult.MetadataUri), partCount, 3));
}
}
return(detectedPayloadKind);
}
/// <summary>
/// Applies the model and validates the context URI against it.
/// </summary>
/// <param name="expectedPayloadKind">The payload kind we expect the context URI to conform to.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
private void ParseContextUri(ODataPayloadKind expectedPayloadKind, ODataReaderBehavior readerBehavior)
{
ODataPayloadKind detectedPayloadKind = this.ParseContextUriFragment(this.parseResult.Fragment, readerBehavior);
// unsupported payload kind indicates that this is during payload kind detection, so we should not fail.
bool detectedPayloadKindMatchesExpectation = detectedPayloadKind == expectedPayloadKind || expectedPayloadKind == ODataPayloadKind.Unsupported;
if (detectedPayloadKind == ODataPayloadKind.Collection)
{
// If the detected payload kind is 'collection' it can always also be treated as a property.
this.parseResult.DetectedPayloadKinds = new[] { ODataPayloadKind.Collection, ODataPayloadKind.Property };
if (expectedPayloadKind == ODataPayloadKind.Property)
{
detectedPayloadKindMatchesExpectation = true;
}
}
else if (detectedPayloadKind == ODataPayloadKind.Entry)
{
this.parseResult.DetectedPayloadKinds = new[] { ODataPayloadKind.Entry, ODataPayloadKind.Delta };
if (expectedPayloadKind == ODataPayloadKind.Delta)
{
this.parseResult.DeltaKind = ODataDeltaKind.Entry;
detectedPayloadKindMatchesExpectation = true;
}
}
else
{
this.parseResult.DetectedPayloadKinds = new[] { detectedPayloadKind };
}
// If the expected and detected payload kinds don't match and we are not running payload kind detection
// right now (payloadKind == ODataPayloadKind.Unsupported) and we did not detect a collection kind for
// an expected property kind (which is allowed), fail.
if (!detectedPayloadKindMatchesExpectation)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_ContextUriDoesNotMatchExpectedPayloadKind(UriUtils.UriToString(this.parseResult.ContextUri), expectedPayloadKind.ToString()));
}
// NOTE: we interpret an empty select query option to mean that nothing should be projected
// (whereas a missing select query option means everything should be projected).
string selectQueryOption = this.parseResult.SelectQueryOption;
if (selectQueryOption != null)
{
if (detectedPayloadKind != ODataPayloadKind.Feed && detectedPayloadKind != ODataPayloadKind.Entry && detectedPayloadKind != ODataPayloadKind.Delta)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidPayloadKindWithSelectQueryOption(expectedPayloadKind.ToString()));
}
}
}
/// <summary>Creates a new entity set element type resolver with all the information needed when resolving for reading scenarios.</summary>
/// <param name="model">The model to use or null if no model is available.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
public EdmTypeReaderResolver(IEdmModel model, ODataReaderBehavior readerBehavior)
{
this.model = model;
this.readerBehavior = readerBehavior;
}
/// <summary>
/// Resolves the name of a primitive, complex, entity or collection type to the respective type. Uses the semantics used be readers.
/// Thus it can be a bit looser.
/// </summary>
/// <param name="model">The model to use or null if no model is available.</param>
/// <param name="expectedType">The expected type for the type name being resolved, or null if none is available.</param>
/// <param name="typeName">The name of the type to resolve.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="version">The version of the payload being read.</param>
/// <param name="typeKind">The type kind of the type, if it could be determined. This will be None if we couldn't tell. It might be filled
/// even if the method returns null, for example for Collection types with item types which are not recognized.</param>
/// <returns>The <see cref="IEdmType"/> representing the type specified by the <paramref name="typeName"/>;
/// or null if no such type could be found.</returns>
internal static IEdmType ResolveTypeNameForRead(
IEdmModel model,
IEdmType expectedType,
string typeName,
ODataReaderBehavior readerBehavior,
ODataVersion version,
out EdmTypeKind typeKind)
{
DebugUtils.CheckNoExternalCallers();
Func<IEdmType, string, IEdmType> customTypeResolver = readerBehavior == null ? null : readerBehavior.TypeResolver;
Debug.Assert(
customTypeResolver == null || readerBehavior.ApiBehaviorKind == ODataBehaviorKind.WcfDataServicesClient,
"Custom type resolver can only be specified in WCF DS Client behavior.");
return ResolveTypeName(model, expectedType, typeName, customTypeResolver, version, out typeKind);
}
internal static object ConvertValue(object value, IEdmPrimitiveTypeReference primitiveTypeReference, ODataMessageReaderSettings messageReaderSettings, ODataVersion version, bool validateNullValue)
{
if (value == null)
{
ReaderValidationUtils.ValidateNullValue(EdmCoreModel.Instance, primitiveTypeReference, messageReaderSettings, validateNullValue, version);
return(null);
}
try
{
Type primitiveClrType = EdmLibraryExtensions.GetPrimitiveClrType(primitiveTypeReference.PrimitiveDefinition(), false);
ODataReaderBehavior readerBehavior = messageReaderSettings.ReaderBehavior;
string stringValue = value as string;
if (stringValue != null)
{
return(ConvertStringValue(stringValue, primitiveClrType, version));
}
if (value is int)
{
return(ConvertInt32Value((int)value, primitiveClrType, primitiveTypeReference, (readerBehavior != null) && readerBehavior.UseV1ProviderBehavior));
}
if (value is double)
{
double num = (double)value;
if (primitiveClrType == typeof(float))
{
return(Convert.ToSingle(num));
}
if (!IsV1PrimitiveType(primitiveClrType) || ((primitiveClrType != typeof(double)) && ((readerBehavior == null) || !readerBehavior.UseV1ProviderBehavior)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.ODataFullName()));
}
return(value);
}
if (value is bool)
{
if ((primitiveClrType != typeof(bool)) && ((readerBehavior == null) || (readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertBoolean(primitiveTypeReference.ODataFullName()));
}
return(value);
}
if (value is DateTime)
{
if ((primitiveClrType != typeof(DateTime)) && ((readerBehavior == null) || (readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
return(value);
}
if ((value is DateTimeOffset) && (primitiveClrType != typeof(DateTimeOffset)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertDateTimeOffset(primitiveTypeReference.ODataFullName()));
}
}
catch (Exception exception)
{
if (!ExceptionUtils.IsCatchableExceptionType(exception))
{
throw;
}
throw ReaderValidationUtils.GetPrimitiveTypeConversionException(primitiveTypeReference, exception);
}
return(value);
}
public void CalculateBindableOperationsForDerivedEntityTypeWithTypeResolver()
{
var bindingType = this.model.FindType("TestModel.TVMovie");
var bindableOperations = MetadataUtils.CalculateBindableOperationsForType(bindingType, this.model, new EdmTypeReaderResolver(this.model, ODataReaderBehavior.CreateWcfDataServicesClientBehavior(this.NameToTypeResolver)));
Assert.Equal(2, bindableOperations.Length);
Assert.True(bindableOperations.Count(o => o.Name == "Rate") == 1);
Assert.True(bindableOperations.Count(o => o.Name == "ChangeChannel") == 1);
}
public void CalculateBindableOperationsForEntityTypeWithTypeResolver()
{
var bindingType = this.model.FindType("TestModel.Movie");
var bindableOperations = MetadataUtils.CalculateBindableOperationsForType(bindingType, this.model, new EdmTypeReaderResolver(this.model, ODataReaderBehavior.CreateWcfDataServicesClientBehavior(this.NameToTypeResolver)));
Assert.AreEqual(1, bindableOperations.Length);
foreach (var operation in bindableOperations)
{
Assert.AreEqual("Rate", operation.Name);
}
}
/// <summary>
/// Converts the given JSON value to the expected type as per OData conversion rules for JSON values.
/// </summary>
/// <param name="value">Value to the converted.</param>
/// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
/// <param name="messageReaderSettings">The message reader settings used for reading.</param>
/// <param name="version">The version of the OData protocol used for reading.</param>
/// <param name="validateNullValue">true to validate null values; otherwise false.</param>
/// <returns>Object which is in sync with the property type (modulo the V1 exception of converting numbers to non-compatible target types).</returns>
internal static object ConvertValue(
object value,
IEdmPrimitiveTypeReference primitiveTypeReference,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version,
bool validateNullValue)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(primitiveTypeReference != null, "primitiveTypeReference != null");
//// NOTE: this method was copied from WCF DS (and changed to take a type reference instead of a CLR target type)
if (value == null)
{
// Only primitive type references are validated. Core model is sufficient.
ReaderValidationUtils.ValidateNullValue(EdmCoreModel.Instance, primitiveTypeReference, messageReaderSettings, validateNullValue, version);
return(null);
}
try
{
Type targetType = EdmLibraryExtensions.GetPrimitiveClrType(primitiveTypeReference.PrimitiveDefinition(), false);
ODataReaderBehavior readerBehavior = messageReaderSettings.ReaderBehavior;
string stringValue = value as string;
if (stringValue != null)
{
return(ConvertStringValue(stringValue, targetType, version));
}
else if (value is Int32)
{
return(ConvertInt32Value((int)value, targetType, primitiveTypeReference, readerBehavior == null ? false : readerBehavior.UseV1ProviderBehavior));
}
else if (value is Double)
{
Double doubleValue = (Double)value;
if (targetType == typeof(Single))
{
return(Convert.ToSingle(doubleValue));
}
if (!IsV1PrimitiveType(targetType) || (targetType != typeof(Double) && (readerBehavior == null || !readerBehavior.UseV1ProviderBehavior)))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.ODataFullName()));
}
}
else if (value is bool)
{
if (targetType != typeof(bool) && (readerBehavior == null || readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertBoolean(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTime)
{
if (targetType != typeof(DateTime) && (readerBehavior == null || readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTimeOffset)
{
// Currently, we do not support any conversion for DateTimeOffset date type. Hence failing if the target
// type is not DateTimeOffset.
if (targetType != typeof(DateTimeOffset))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertDateTimeOffset(primitiveTypeReference.ODataFullName()));
}
}
}
catch (Exception e)
{
if (!ExceptionUtils.IsCatchableExceptionType(e))
{
throw;
}
throw ReaderValidationUtils.GetPrimitiveTypeConversionException(primitiveTypeReference, e);
}
// otherwise just return the value without doing any conversion
return(value);
}
private ODataPayloadKind ParseContextUriFragment(string fragment, ODataReaderBehavior readerBehavior)
{
bool hasItemSelector = false;
ODataDeltaKind kind = ODataDeltaKind.None;
// Deal with /$entity
if (fragment.EndsWith(ODataConstants.ContextUriFragmentItemSelector, StringComparison.Ordinal))
{
hasItemSelector = true;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriFragmentItemSelector.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeltaFeed, StringComparison.Ordinal))
{
kind = ODataDeltaKind.Feed;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeltaFeed.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeletedEntry, StringComparison.Ordinal))
{
kind = ODataDeltaKind.DeletedEntry;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeletedEntry.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeltaLink, StringComparison.Ordinal))
{
kind = ODataDeltaKind.Link;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeltaLink.Length);
}
else if (fragment.EndsWith(ODataConstants.ContextUriDeletedLink, StringComparison.Ordinal))
{
kind = ODataDeltaKind.DeletedLink;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeletedLink.Length);
}
this.parseResult.DeltaKind = kind;
// Deal with query option
if (fragment.EndsWith(")", StringComparison.Ordinal))
{
int index = fragment.Length - 2;
for (int rcount = 1; rcount > 0 && index > 0; --index)
{
switch (fragment[index])
{
case '(':
rcount--;
break;
case ')':
rcount++;
break;
}
}
if (index == 0)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
string previous = fragment.Substring(0, index + 1);
// Don't treat Collection(Edm.Type) as SelectExpand segment
if (!previous.Equals("Collection"))
{
string selectExpandStr = fragment.Substring(index + 2);
selectExpandStr = selectExpandStr.Substring(0, selectExpandStr.Length - 1);
// Do not treat Key as SelectExpand segment
if (KeyPattern.IsMatch(selectExpandStr))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_LastSegmentIsKeySegment(UriUtils.UriToString(this.parseResult.ContextUri)));
}
this.parseResult.SelectQueryOption = ExtractSelectQueryOption(selectExpandStr);
fragment = previous;
}
}
ODataPayloadKind detectedPayloadKind = ODataPayloadKind.Unsupported;
EdmTypeResolver edmTypeResolver = new EdmTypeReaderResolver(this.model, readerBehavior);
if (!fragment.Contains(ODataConstants.UriSegmentSeparator) && !hasItemSelector && kind == ODataDeltaKind.None)
{
// Service document: no fragment
if (fragment.Length == 0)
{
detectedPayloadKind = ODataPayloadKind.ServiceDocument;
}
else if (fragment.Equals(ODataConstants.ContextUriFragmentNull, StringComparison.OrdinalIgnoreCase))
{
detectedPayloadKind = ODataPayloadKind.Property;
this.parseResult.IsNullProperty = true;
}
else if (fragment.Equals(ODataConstants.EntityReferenceCollectionSegmentName + "(" + ODataConstants.EntityReferenceSegmentName + ")"))
{
detectedPayloadKind = ODataPayloadKind.EntityReferenceLinks;
}
else if (fragment.Equals(ODataConstants.EntityReferenceSegmentName))
{
detectedPayloadKind = ODataPayloadKind.EntityReferenceLink;
}
else
{
var foundNavigationSource = this.model.FindDeclaredNavigationSource(fragment);
if (foundNavigationSource != null)
{
// Feed: {schema.entity-container.entity-set} or Singleton: {schema.entity-container.singleton}
this.parseResult.NavigationSource = foundNavigationSource;
this.parseResult.EdmType = edmTypeResolver.GetElementType(foundNavigationSource);
detectedPayloadKind = foundNavigationSource is IEdmSingleton ? ODataPayloadKind.Entry : ODataPayloadKind.Feed;
}
else
{
// Property: {schema.type} or Collection({schema.type}) where schema.type is primitive or complex.
detectedPayloadKind = this.ResolveType(fragment, readerBehavior);
Debug.Assert(
this.parseResult.EdmType.TypeKind == EdmTypeKind.Primitive || this.parseResult.EdmType.TypeKind == EdmTypeKind.Enum || this.parseResult.EdmType.TypeKind == EdmTypeKind.TypeDefinition || this.parseResult.EdmType.TypeKind == EdmTypeKind.Complex || this.parseResult.EdmType.TypeKind == EdmTypeKind.Collection || this.parseResult.EdmType.TypeKind == EdmTypeKind.Entity,
"The first context URI segment must be a set or a non-entity type.");
}
}
}
else
{
Debug.Assert(this.parseResult.MetadataDocumentUri.IsAbsoluteUri, "this.parseResult.MetadataDocumentUri.IsAbsoluteUri");
string metadataDocumentStr = UriUtils.UriToString(this.parseResult.MetadataDocumentUri);
if (!metadataDocumentStr.EndsWith(ODataConstants.UriMetadataSegment, StringComparison.Ordinal))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
Uri serviceRoot = new Uri(metadataDocumentStr.Substring(0, metadataDocumentStr.Length - ODataConstants.UriMetadataSegment.Length));
ODataUriParser odataUriParser = new ODataUriParser(this.model, serviceRoot, new Uri(serviceRoot, fragment));
ODataPath path;
try
{
path = odataUriParser.ParsePath();
}
catch (ODataException)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
if (path.Count == 0)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
this.parseResult.Path = path;
parseResult.NavigationSource = path.NavigationSource();
parseResult.EdmType = path.LastSegment.EdmType;
ODataPathSegment lastSegment = path.TrimEndingTypeSegment().LastSegment;
if (lastSegment is EntitySetSegment || lastSegment is NavigationPropertySegment)
{
if (kind != ODataDeltaKind.None)
{
detectedPayloadKind = ODataPayloadKind.Delta;
}
else
{
detectedPayloadKind = hasItemSelector ? ODataPayloadKind.Entry : ODataPayloadKind.Feed;
}
if (this.parseResult.EdmType is IEdmCollectionType)
{
var collectionTypeReference = this.parseResult.EdmType.ToTypeReference().AsCollection();
if (collectionTypeReference != null)
{
this.parseResult.EdmType = collectionTypeReference.ElementType().Definition;
}
}
}
else if (lastSegment is SingletonSegment)
{
detectedPayloadKind = ODataPayloadKind.Entry;
}
else if (path.IsIndividualProperty())
{
detectedPayloadKind = ODataPayloadKind.Property;
IEdmCollectionType collectionType = parseResult.EdmType as IEdmCollectionType;
if (collectionType != null)
{
detectedPayloadKind = ODataPayloadKind.Collection;
}
}
else
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
}
return detectedPayloadKind;
}