/// <summary>
/// Build an ODataUriParser
/// </summary>
/// <param name="model">Model to use for metadata binding.</param>
/// <param name="serviceRoot">Absolute URI of the service root.</param>
/// <param name="uri">Absolute or relative URI to be parsed.</param>
/// <param name="container">The optional dependency injection container to get related services for URI parsing.</param>
public ODataUriParser(IEdmModel model, Uri serviceRoot, Uri uri, IServiceProvider container)
{
ExceptionUtils.CheckArgumentNotNull(uri, "uri");
if (serviceRoot == null)
{
throw new ODataException(ODataErrorStrings.UriParser_NeedServiceRootForThisOverload);
}
if (!serviceRoot.IsAbsoluteUri)
{
throw new ODataException(ODataErrorStrings.UriParser_UriMustBeAbsolute(serviceRoot));
}
this.configuration = new ODataUriParserConfiguration(model, container);
this.serviceRoot = UriUtils.EnsureTaillingSlash(serviceRoot);
this.uri = uri.IsAbsoluteUri ? uri : UriUtils.UriToAbsoluteUri(this.ServiceRoot, uri);
this.queryOptions = QueryOptionUtils.ParseQueryOptions(this.uri);
}
private bool TryComputeIdFromParent(out Uri uri)
{
try
{
ODataConventionalResourceMetadataBuilder parent = this.ParentMetadataBuilder as ODataConventionalResourceMetadataBuilder;
if (parent != null && parent != this)
{
// Get the parent canonical url
uri = parent.GetCanonicalUrl();
if (uri != null)
{
// And append cast (if needed).
// A cast segment if the navigation property is defined on a type derived from the type expected.
IODataResourceTypeContext typeContext = parent.ResourceMetadataContext.TypeContext;
if (parent.ResourceMetadataContext.ActualResourceTypeName != typeContext.ExpectedResourceTypeName)
{
// Do not append type cast if we know that the navigation property is in base type, not in derived type.
ODataResourceTypeContext.ODataResourceTypeContextWithModel typeContextWithModel =
typeContext as ODataResourceTypeContext.ODataResourceTypeContextWithModel;
if (typeContextWithModel == null ||
typeContextWithModel.ExpectedResourceType.FindProperty(
this.ResourceMetadataContext.TypeContext.NavigationSourceName) == null)
{
uri = new Uri(UriUtils.EnsureTaillingSlash(uri),
parent.ResourceMetadataContext.ActualResourceTypeName);
}
}
return(true);
}
}
}
catch (ODataException)
{
}
uri = null;
return(false);
}