/// <summary>
/// Validates that the parsed context URI from the payload is consistent with the expected
/// entity set and entity type when reading a feed or entry payload.
/// </summary>
/// <param name="contextUriParseResult">The parse result of the context URI from the payload.</param>
/// <param name="scope">The top-level scope representing the reader state.</param>
/// <param name="updateScope">Whether to update scope when validating.</param>
internal static void ValidateFeedOrEntryContextUri(ODataJsonLightContextUriParseResult contextUriParseResult, ODataReaderCore.Scope scope, bool updateScope)
{
if (contextUriParseResult.EdmType is IEdmCollectionType)
{
ValidateFeedContextUri(contextUriParseResult, scope, updateScope);
return;
}
Debug.Assert(contextUriParseResult != null, "contextUriParseResult != null");
Debug.Assert(
contextUriParseResult.NavigationSource != null || contextUriParseResult.EdmType != null,
"contextUriParseResult.EntitySet != null || contextUriParseResult.EdmType != null");
Debug.Assert(contextUriParseResult.EdmType is IEdmEntityType, "contextUriParseResult.StructuredType is IEdmEntityType");
// Set the navigation source name or make sure the navigation source names match.
if (scope.NavigationSource == null)
{
if (updateScope)
{
scope.NavigationSource = contextUriParseResult.NavigationSource;
}
}
else if (contextUriParseResult.NavigationSource != null && string.CompareOrdinal(scope.NavigationSource.FullNavigationSourceName(), contextUriParseResult.NavigationSource.FullNavigationSourceName()) != 0)
{
throw new ODataException(Strings.ReaderValidationUtils_ContextUriValidationInvalidExpectedEntitySet(
UriUtils.UriToString(contextUriParseResult.ContextUri),
contextUriParseResult.NavigationSource.FullNavigationSourceName(),
scope.NavigationSource.FullNavigationSourceName()));
}
// Set the entity type or make sure the entity types are assignable.
IEdmEntityType payloadEntityType = (IEdmEntityType)contextUriParseResult.EdmType;
if (scope.EntityType == null)
{
if (updateScope)
{
scope.EntityType = payloadEntityType;
}
}
else if (scope.EntityType.IsAssignableFrom(payloadEntityType))
{
if (updateScope)
{
scope.EntityType = payloadEntityType;
}
}
else if (!payloadEntityType.IsAssignableFrom(scope.EntityType))
{
throw new ODataException(Strings.ReaderValidationUtils_ContextUriValidationInvalidExpectedEntityType(
UriUtils.UriToString(contextUriParseResult.ContextUri),
contextUriParseResult.EdmType.ODataFullName(),
scope.EntityType.FullName()));
}
}
/// <summary>
/// The validate feed context uri.
/// </summary>
/// <param name="contextUriParseResult">
/// The context uri parse result.
/// </param>
/// <param name="scope">
/// The scope.
/// </param>
/// <param name="updateScope">
/// The update scope.
/// </param>
private static void ValidateFeedContextUri(ODataJsonLightContextUriParseResult contextUriParseResult, ODataReaderCore.Scope scope, bool updateScope)
{
// TODO: add validation logic for a feed context uri
}