/// <summary>
/// Parses the <paramref name="queryUri"/> and binds the query to the metadata provided
/// then returns a new instance of <see cref="QueryDescriptorQueryNode"/>
/// describing the query specified by the uri.
/// </summary>
/// <param name="queryUri">The absolute URI which holds the query to parse. This must be a path relative to the <paramref name="serviceBaseUri"/>.</param>
/// <param name="serviceBaseUri">The base URI of the service.</param>
/// <param name="metadataProvider">The metadata provider to use for binding.</param>
/// <param name="maxDepth">The maximum depth of any single query part. Security setting to guard against DoS attacks causing stack overflows and such.</param>
/// <returns>A new instance of <see cref="QueryDescriptorQueryNode"/> which represents the query specified in the <paramref name="queryUri"/>.</returns>
public static QueryDescriptorQueryNode ParseUri(Uri queryUri, Uri serviceBaseUri, IDataServiceMetadataProvider metadataProvider, int maxDepth)
{
ExceptionUtils.CheckArgumentNotNull(metadataProvider, "metadataProvider");
QueryDescriptorQueryToken queryDescriptorQueryToken = QueryDescriptorQueryToken.ParseUri(queryUri, serviceBaseUri, maxDepth);
MetadataBinder metadataBinder = new MetadataBinder(metadataProvider);
return(metadataBinder.BindQuery(queryDescriptorQueryToken));
}
public void TestParseTypeSetAccess()
{
var parseTree = QueryDescriptorQueryToken.ParseUri(new Uri("http://example.org/odata/Films"), new Uri("http://example.org/odata/"));
Assert.IsNotNull(parseTree);
Assert.AreEqual(QueryTokenKind.Segment, parseTree.Path.Kind);
var segment = parseTree.Path as SegmentQueryToken;
Assert.AreEqual("Films", segment.Name);
Assert.IsNull(segment.NamedValues);
}
public void TestParseInstanceAccess()
{
var parseTree = QueryDescriptorQueryToken.ParseUri(
new Uri("http://example.org/odata/Films('Un_Chien_Andalou')"),
new Uri("http://example.org/odata/"));
Assert.IsNotNull(parseTree);
Assert.IsNotNull(parseTree.Path);
Assert.AreEqual(QueryTokenKind.Segment, parseTree.Path.Kind);
Assert.IsInstanceOfType(parseTree.Path, typeof(SegmentQueryToken));
var sqt = parseTree.Path as SegmentQueryToken;
Assert.AreEqual("Films", sqt.Name);
Assert.IsNotNull(sqt.NamedValues);
var namedValues = sqt.NamedValues.ToList();
Assert.AreEqual(1, namedValues.Count);
Assert.IsNull(namedValues[0].Name);
Assert.IsNotNull(namedValues[0].Value);
Assert.IsNotNull(namedValues[0].Value.Value);
Assert.AreEqual(QueryTokenKind.Literal, namedValues[0].Value.Kind);
Assert.AreEqual("Un_Chien_Andalou", namedValues[0].Value.Value);
}
