public void CanParseHalPath()
{
//Arrange
//Act
var halpath = new HalPath("/foo/item[2]/bar");
var itemSegment = halpath.Segments.ElementAt(1);
//Assert
Assert.AreEqual(3, halpath.Segments.Count());
Assert.AreEqual("item[2]", itemSegment.Key);
}
/// <summary>relationPath specifies a unique path to a single link</summary>
public static HalLink FindLink(this HalDocument document, string relationPath)
{
var halPath = new HalPath(relationPath);
HalNode currentNode = document.Root;
foreach (var segment in halPath.Segments) {
if (currentNode is HalResource) {
currentNode = ((HalResource)currentNode).Contents[segment.Key];
}
}
var halNode = currentNode;
if (halNode is HalLink) return (HalLink)halNode;
if (halNode is HalResource) {
var halLink = ((HalResource)halNode).ResourceLink;
//halLink.Name = halPath.Segments.Last().Name;
return halLink;
}
return null;
}
/// <summary>relationPath specifies a unique path to a single HAL resource, from which all links are found (searches deep).
/// If relationPath is null, all links are returned</summary>
public static IEnumerable<HalLink> FindAllLinks(this HalDocument document, string relationPath = null)
{
var resource = document.Root;
if (relationPath != null) {
var halPath = new HalPath(relationPath);
foreach (var segment in halPath.Segments) {
var node = resource.Contents[segment.Key] as HalResource;
if (node == null) {
throw new Exception("Path must specify a resource");
}
resource = node;
}
}
var links = new List<HalLink>();
InternalFindAllLinks(resource, links);
return links;
}
