public MethodAndUriTemplateOperationSelector(ServiceEndpoint endpoint)
{
if (endpoint == null)
{
throw new ArgumentNullException("endpoint");
}
this.delegates =
new Dictionary<string, UriTemplateOperationSelector>();
var operations = endpoint.Contract.Operations.Select(od => new HttpOperationDescription(od));
foreach (var methodGroup in operations.GroupBy(od => od.GetWebMethod()))
{
UriTemplateTable table = new UriTemplateTable(endpoint.ListenUri);
foreach (var operation in methodGroup)
{
UriTemplate template = new UriTemplate(operation.GetUriTemplateString());
table.KeyValuePairs.Add(
new KeyValuePair<UriTemplate, object>(template, operation.Name));
}
table.MakeReadOnly(false);
UriTemplateOperationSelector templateSelector =
new UriTemplateOperationSelector(table);
this.delegates.Add(methodGroup.Key, templateSelector);
}
}
public HelpPageOperationSelector(Uri baseUri)
{
List<KeyValuePair<UriTemplate, object>> templateList = new List<KeyValuePair<UriTemplate, object>>();
templateList.Add(new KeyValuePair<UriTemplate, object>(new UriTemplate(HelpPageInvoker.AllOperationsTemplate), "GetFeed"));
templateList.Add(new KeyValuePair<UriTemplate, object>(new UriTemplate(HelpPageInvoker.OperationRequestExampleTemplate), "GetRequestExample"));
templateList.Add(new KeyValuePair<UriTemplate, object>(new UriTemplate(HelpPageInvoker.OperationRequestSchemaTemplate), "GetRequestSchema"));
templateList.Add(new KeyValuePair<UriTemplate, object>(new UriTemplate(HelpPageInvoker.OperationResponseExampleTemplate), "GetResponseExample"));
templateList.Add(new KeyValuePair<UriTemplate, object>(new UriTemplate(HelpPageInvoker.OperationResponseSchemaTemplate), "GetResponseSchema"));
table = new UriTemplateTable(baseUri, templateList);
table.MakeReadOnly(false);
}
public static void Main()
{
Uri prefix = new Uri("http://localhost/");
//One interesting use for UriTemplateTable is as a dispatching engine.
//This is accomplished by using the UriTemplateTable to associate
//a delegate handler with each UriTemplate.
//To start, we need a UriTemplateTable.
UriTemplateTable table = new UriTemplateTable(prefix);
//Now, we add templates to the table and associate them
//with handler functions, written as anonymous delegates:
AddHandler(table, new UriTemplate("weather/{state}/{city}"),
delegate(UriTemplateMatch r)
{
Console.WriteLine("Matched the WeatherByCity template");
Console.WriteLine("State: {0}", r.BoundVariables["state"]);
Console.WriteLine("City: {0}", r.BoundVariables["city"]);
});
AddHandler(table, new UriTemplate("weather/{state}"),
delegate(UriTemplateMatch r)
{
Console.WriteLine("Matched the WeatherByState template");
Console.WriteLine("State: {0}", r.BoundVariables["state"]);
});
AddHandler(table, new UriTemplate("traffic/*"),
delegate(UriTemplateMatch r)
{
Console.WriteLine("Matched the traffic/* template");
Console.WriteLine("Wildcard segments:");
foreach (string s in r.WildcardPathSegments)
{
Console.WriteLine(" " + s);
}
});
//MakeReadOnly() freezes the table and prevents further additions.
//Passing false to this method will disallow duplicate URI's,
//guaranteeing that at most a single match will be returned.
//Calling this method explictly is optional, as the collection
//will be made read-only during the first call to Match() or MatchSingle()
table.MakeReadOnly(false);
Uri request = null;
//Match WeatherByCity
request = new Uri("http://localhost/weather/Washington/Seattle");
Console.WriteLine(request);
InvokeDelegate(table.MatchSingle(request));
//Match WeatherByState
request = new Uri("http://localhost/weather/Washington");
Console.WriteLine(request);
InvokeDelegate(table.MatchSingle(request));
//Wildcard match Traffic
request = new Uri("http://localhost/Traffic/Washington/Seattle/SR520");
Console.WriteLine(request);
InvokeDelegate(table.MatchSingle(request));
Console.WriteLine("Press any key to terminate");
Console.ReadLine();
}
