/// <summary>
/// Create contextUrlInfo for delta
/// </summary>
/// <param name="typeContext">The ODataResourceTypeContext to be used.</param>
/// <param name="version">The OData version of the response.</param>
/// <param name="kind">The delta kind.</param>
/// <param name="odataUri">The odata uri info for current query.</param>
/// <returns>The generated ODataContextUrlInfo.</returns>
internal static ODataContextUrlInfo Create(ODataResourceTypeContext typeContext, ODataVersion version, ODataDeltaKind kind, ODataUri odataUri = null)
{
Debug.Assert(typeContext != null, "typeContext != null");
ODataContextUrlInfo contextUriInfo = new ODataContextUrlInfo()
{
IsUnknownEntitySet = typeContext.NavigationSourceKind == EdmNavigationSourceKind.UnknownEntitySet,
NavigationSource = typeContext.NavigationSourceName,
TypeCast = typeContext.NavigationSourceEntityTypeName == typeContext.ExpectedResourceTypeName ? null : typeContext.ExpectedResourceTypeName,
TypeName = typeContext.NavigationSourceEntityTypeName,
IncludeFragmentItemSelector = kind == ODataDeltaKind.Resource && typeContext.NavigationSourceKind != EdmNavigationSourceKind.Singleton,
DeltaKind = kind,
NavigationPath = ComputeNavigationPath(typeContext.NavigationSourceKind, null, typeContext.NavigationSourceName),
};
// Only use odata uri in with model case.
if (typeContext is ODataResourceTypeContext.ODataResourceTypeContextWithModel)
{
contextUriInfo.NavigationPath = ComputeNavigationPath(typeContext.NavigationSourceKind, odataUri,
typeContext.NavigationSourceName);
contextUriInfo.ResourcePath = ComputeResourcePath(odataUri);
contextUriInfo.QueryClause = ComputeQueryClause(odataUri, version);
contextUriInfo.IsUndeclared = ComputeIfIsUndeclared(odataUri);
}
return(contextUriInfo);
}
/// <summary>
/// Create contextUrlInfo for delta
/// </summary>
/// <param name="typeContext">The ODataFeedAndEntryTypeContext to be used.</param>
/// <param name="kind">The delta kind.</param>
/// <param name="odataUri">The odata uri info for current query.</param>
/// <returns>The generated ODataContextUrlInfo.</returns>
internal static ODataContextUrlInfo Create(ODataFeedAndEntryTypeContext typeContext, ODataDeltaKind kind, ODataUri odataUri = null)
{
Debug.Assert(typeContext != null, "typeContext != null");
ODataContextUrlInfo contextUriInfo = new ODataContextUrlInfo()
{
isContained = typeContext.NavigationSourceKind == EdmNavigationSourceKind.ContainedEntitySet,
IsUnknownEntitySet = typeContext.NavigationSourceKind == EdmNavigationSourceKind.UnknownEntitySet,
navigationSource = typeContext.NavigationSourceName,
TypeCast = typeContext.NavigationSourceEntityTypeName == typeContext.ExpectedEntityTypeName ? null : typeContext.ExpectedEntityTypeName,
TypeName = typeContext.NavigationSourceEntityTypeName,
IncludeFragmentItemSelector = kind == ODataDeltaKind.Entry && typeContext.NavigationSourceKind != EdmNavigationSourceKind.Singleton,
DeltaKind = kind,
};
// Only use odata uri in with model case.
if (typeContext is ODataFeedAndEntryTypeContext.ODataFeedAndEntryTypeContextWithModel)
{
contextUriInfo.odataUri = odataUri;
}
return contextUriInfo;
}
private Uri CreateDeltaResponseContextUri(ODataFeedAndEntryTypeContext typeContext, ODataDeltaKind kind)
{
ODataContextUrlInfo info = ODataContextUrlInfo.Create(typeContext, kind);
Uri contextUrl = this.responseContextUriBuilder.BuildContextUri(ODataPayloadKind.Delta, info);
contextUrl.Should().NotBeNull();
return(contextUrl);
}
/// <summary>
/// Create contextUrlInfo for delta
/// </summary>
/// <param name="typeContext">The ODataFeedAndEntryTypeContext to be used.</param>
/// <param name="kind">The delta kind.</param>
/// <param name="odataUri">The odata uri info for current query.</param>
/// <returns>The generated ODataContextUrlInfo.</returns>
internal static ODataContextUrlInfo Create(ODataFeedAndEntryTypeContext typeContext, ODataDeltaKind kind, ODataUri odataUri = null)
{
Debug.Assert(typeContext != null, "typeContext != null");
ODataContextUrlInfo contextUriInfo = new ODataContextUrlInfo()
{
isContained = typeContext.NavigationSourceKind == EdmNavigationSourceKind.ContainedEntitySet,
navigationSource = typeContext.NavigationSourceName,
TypeCast = typeContext.NavigationSourceEntityTypeName == typeContext.ExpectedEntityTypeName ? null : typeContext.ExpectedEntityTypeName,
TypeName = typeContext.NavigationSourceEntityTypeName,
IncludeFragmentItemSelector = kind == ODataDeltaKind.Entry && typeContext.NavigationSourceKind != EdmNavigationSourceKind.Singleton,
DeltaKind = kind,
};
// Only use odata uri in with model case.
if (typeContext is ODataFeedAndEntryTypeContext.ODataFeedAndEntryTypeContextWithModel)
{
contextUriInfo.odataUri = odataUri;
}
return(contextUriInfo);
}
/// <summary>
/// Writes the context uri for a delta (deleted) link.
/// </summary>
/// <param name="kind">The delta kind of link.</param>
private void WriteDeltaLinkContextUri(ODataDeltaKind kind)
{
Debug.Assert(kind == ODataDeltaKind.Link || kind == ODataDeltaKind.DeletedLink, "kind must be either DeltaLink or DeltaDeletedLink.");
this.jsonLightEntryAndFeedSerializer.WriteDeltaContextUri(this.CurrentDeltaLinkScope.GetOrCreateTypeContext(this.jsonLightOutputContext.Model), kind);
}
private ODataPayloadKind ParseContextUriFragment(string fragment, Func <IEdmType, string, IEdmType> clientCustomTypeResolver, bool throwIfMetadataConflict, out bool isUndeclared)
{
bool hasItemSelector = false;
ODataDeltaKind kind = ODataDeltaKind.None;
isUndeclared = false;
// 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.ContextUriDeltaResourceSet, StringComparison.Ordinal))
{
kind = ODataDeltaKind.ResourceSet;
fragment = fragment.Substring(0, fragment.Length - ODataConstants.ContextUriDeltaResourceSet.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, clientCustomTypeResolver);
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.CollectionPrefix + "(" + ODataConstants.EntityReferenceSegmentName + ")"))
{
detectedPayloadKind = ODataPayloadKind.EntityReferenceLinks;
}
else if (fragment.Equals(ODataConstants.EntityReferenceSegmentName))
{
detectedPayloadKind = ODataPayloadKind.EntityReferenceLink;
}
else
{
var foundNavigationSource = this.model.FindDeclaredNavigationSource(fragment);
if (foundNavigationSource != null)
{
// Resource Set: {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.Resource : ODataPayloadKind.ResourceSet;
}
else
{
// Property: {schema.type} or Collection({schema.type}) where schema.type is primitive or complex.
detectedPayloadKind = this.ResolveType(fragment, clientCustomTypeResolver, throwIfMetadataConflict);
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 || this.parseResult.EdmType.TypeKind == EdmTypeKind.Untyped,
"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.Resource : ODataPayloadKind.ResourceSet;
}
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.Resource;
}
else if (path.IsIndividualProperty())
{
isUndeclared = path.IsUndeclared();
detectedPayloadKind = ODataPayloadKind.Property;
IEdmComplexType complexType = parseResult.EdmType as IEdmComplexType;
if (complexType != null)
{
detectedPayloadKind = ODataPayloadKind.Resource;
}
else
{
IEdmCollectionType collectionType = parseResult.EdmType as IEdmCollectionType;
if (collectionType != null)
{
if (collectionType.ElementType.IsComplex())
{
this.parseResult.EdmType = collectionType.ElementType.Definition;
detectedPayloadKind = ODataPayloadKind.ResourceSet;
}
else
{
detectedPayloadKind = ODataPayloadKind.Collection;
}
}
}
}
else
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidContextUrl(UriUtils.UriToString(this.parseResult.ContextUri)));
}
}
return(detectedPayloadKind);
}
/// <summary>
/// Writes the context uri for a delta (deleted) entry.
/// </summary>
/// <param name="kind">The kind of delta entry.</param>
private void WriteDeltaEntryContextUri(ODataDeltaKind kind)
{
Debug.Assert(kind == ODataDeltaKind.Entry || kind == ODataDeltaKind.DeletedEntry, "kind must be either DeltaEntry or DeltaDeletedEntry.");
this.jsonLightEntryAndFeedSerializer.WriteDeltaContextUri(
this.CurrentDeltaEntryScope.GetOrCreateTypeContext(this.jsonLightOutputContext.Model),
kind,
this.GetParentDeltaFeedScope().ContextUriInfo);
}
/// <summary>
/// Tries to writes the context URI property for delta resource/resource set/link into the payload if one is available.
/// </summary>
/// <param name="typeContext">The context object to answer basic questions regarding the type of the resource.</param>
/// <param name="kind">The delta kind to write.</param>
/// <param name="parentContextUrlInfo">The parent contextUrlInfo.</param>
/// <returns>The created context uri info.</returns>
internal ODataContextUrlInfo WriteDeltaContextUri(ODataResourceTypeContext typeContext, ODataDeltaKind kind, ODataContextUrlInfo parentContextUrlInfo = null)
{
ODataUri odataUri = this.JsonLightOutputContext.MessageWriterSettings.ODataUri;
return(this.WriteContextUriProperty(ODataPayloadKind.Delta, () => ODataContextUrlInfo.Create(typeContext, this.MessageWriterSettings.Version ?? ODataVersion.V4, kind, odataUri), parentContextUrlInfo));
}
/// <summary>
/// Tries to writes the context URI property for delta entry/feed/link into the payload if one is available.
/// </summary>
/// <param name="typeContext">The context object to answer basic questions regarding the type of the entry.</param>
/// <param name="kind">The delta kind to write.</param>
/// <param name="parentContextUrlInfo">The parent contextUrlInfo.</param>
/// <returns>The created context uri info.</returns>
internal ODataContextUrlInfo WriteDeltaContextUri(ODataFeedAndEntryTypeContext typeContext, ODataDeltaKind kind, ODataContextUrlInfo parentContextUrlInfo = null)
{
ODataUri odataUri = this.JsonLightOutputContext.MessageWriterSettings.ODataUri;
return this.WriteContextUriProperty(ODataPayloadKind.Delta, () => ODataContextUrlInfo.Create(typeContext, kind, odataUri), parentContextUrlInfo);
}
private Uri CreateDeltaResponseContextUri(ODataResourceTypeContext typeContext, ODataDeltaKind kind, ODataVersion version)
{
ODataContextUrlInfo info = ODataContextUrlInfo.Create(typeContext, version, kind);
Uri contextUrl = this.responseContextUriBuilder.BuildContextUri(ODataPayloadKind.Delta, info);
contextUrl.Should().NotBeNull();
return(contextUrl);
}
private Uri CreateDeltaResponseContextUri(ODataFeedAndEntryTypeContext typeContext, ODataDeltaKind kind)
{
ODataContextUrlInfo info = ODataContextUrlInfo.Create(typeContext, kind);
Uri contextUrl = this.responseContextUriBuilder.BuildContextUri(ODataPayloadKind.Delta, info);
contextUrl.Should().NotBeNull();
return contextUrl;
}
