/// <summary>
/// An event handler which rebuilds <see cref="parsedPattern"/> after regex constraint changed.
/// </summary>
/// <param name="sender">The constraint which fired the event.</param>
/// <param name="e">An <see cref="System.EventArgs"/> that contains no event data.</param>
protected void OnRegexChanged(object sender, EventArgs e)
{
var fullPathSegment = ParseSegments(Url);
var urlMatch = BuildRegex(fullPathSegment);
this.parsedPattern = new ParsedRoutePattern(urlMatch, fullPathSegment);
}
/// <summary>
/// Initializes a new instance of the <see cref="ElasticRoute"/> class.
/// </summary>
/// <param name="url">The URL pattern.</param>
/// <param name="routeHandler">The route handler.</param>
/// <param name="constraints">The route constraints.</param>
/// <param name="incomingDefaults">The incoming request default route values.</param>
/// <param name="outgoingDefaults">The URL generation default route values.</param>
/// <param name="projections">The route values projections.</param>
/// <param name="dataTokens">The data tokens.</param>
public ElasticRoute(string url, IRouteHandler routeHandler,
RouteValueDictionary constraints = null,
RouteValueDictionary incomingDefaults = null,
RouteValueDictionary outgoingDefaults = null,
IDictionary <string, IRouteValueProjection> projections = null,
RouteValueDictionary dataTokens = null)
{
this.Url = url;
this.RouteHandler = routeHandler;
this.IncomingDefaults = incomingDefaults ?? EmptyValues();
this.OutgoingDefaults = outgoingDefaults ?? EmptyValues();
this.Constraints = constraints ?? EmptyValues();
this.Projections = projections ?? new Dictionary <string, IRouteValueProjection>();
this.DataTokens = dataTokens ?? EmptyValues();
this.routeWrapper = new RouteWrapper(this);
foreach (var constraint in Constraints.Values.OfType <IDynamicRegexRouteConstraint>())
{
constraint.RegexChanged += OnRegexChanged;
}
var fullPathSegment = ParseSegments(url);
var urlMatch = BuildRegex(fullPathSegment);
this.parsedPattern = new ParsedRoutePattern(urlMatch, fullPathSegment);
this.RequiredParameters = new HashSet <string>(fullPathSegment.RequiredParameters.Select(p => p.Name), StringComparer.InvariantCultureIgnoreCase);
this.AllParameters = new HashSet <string>(fullPathSegment.Parameters, StringComparer.InvariantCultureIgnoreCase);
}
