private static HttpControllerDescriptor GetVersionedRouteController(IHttpRouteData routeData, string versionText)
{
HttpControllerDescriptor httpControllerDescriptor = null;
CandidateAction[] candidates = routeData.GetDirectRouteCandidates();
var version = NuGetVersion.Parse(versionText);
if (candidates != null)
{
//闭包
SemanticVersionedAttribute semanticVersionedAttribute = null;
var q = candidates
.Where
(
(x) =>
{
var rr = false;
//闭包
semanticVersionedAttribute = x
.ActionDescriptor
.GetCustomAttributes <SemanticVersionedAttribute>()
.FirstOrDefault();
if (semanticVersionedAttribute != null)
{
//rr = semanticVersionedAttribute
// .AllowedVersionRange
// .Satisfies(version);
rr = true;
}
return(rr);
}
);
q = q.OrderByDescending
(
(x) =>
{
return
(x
.ActionDescriptor
.GetCustomAttributes <SemanticVersionedAttribute>()
.First()
.Version);
}
, new VersionComparer()
);
httpControllerDescriptor = q
.First()
.ActionDescriptor
.ControllerDescriptor;
}
return(httpControllerDescriptor);
}
public static Dictionary <string, Dictionary <string, HttpActionDescriptor> > LoadRoutes
(
HttpConfiguration httpConfiguration
)
{
var assembliesResolver = httpConfiguration
.Services
.GetAssembliesResolver();
var httpControllerTypeResolver
= httpConfiguration
.Services
.GetHttpControllerTypeResolver();
var controllersTypes = httpControllerTypeResolver
.GetControllerTypes(assembliesResolver);
var httpControllerSelector = httpConfiguration
.Services
.GetHttpControllerSelector();
var controllerMapping = httpControllerSelector
.GetControllerMapping();
Dictionary <string, Dictionary <string, HttpActionDescriptor> > result = null;
if (controllerMapping != null)
{
var actions = controllerMapping
.Values
.SelectMany
(
(x) =>
{
var httpActionSelector = x
.Configuration
.Services
.GetActionSelector();
var actionsByName = httpActionSelector
.GetActionMapping(x);
return
(actionsByName
.SelectMany
(
(xx) =>
{
return xx;
}
));
}
);
RoutePrefixAttribute routePrefixAttribute = null;
RouteAttribute routeAttribute = null;
SemanticVersionedAttribute semanticVersionedAttribute = null;
result = actions
.Where
(
(x) =>
{
#region RoutePrefix + Route + Version 筛选
var r = false;
routePrefixAttribute = x
.ControllerDescriptor
.GetCustomAttributes <RoutePrefixAttribute>()
.FirstOrDefault() as RoutePrefixAttribute;
if (routePrefixAttribute != null)
{
routeAttribute = x
.GetCustomAttributes <RouteAttribute>()
.FirstOrDefault() as RouteAttribute;
if (routeAttribute != null)
{
semanticVersionedAttribute = x
.GetCustomAttributes <SemanticVersionedAttribute>()
.FirstOrDefault() as SemanticVersionedAttribute;
if (semanticVersionedAttribute != null)
{
r = true;
}
}
}
return(r);
#endregion
}
)
.ToLookup
(
(x) =>
{
var key = string
.Format
(
"{1}{0}{2}"
, "/"
, routePrefixAttribute.Prefix
, routeAttribute.Template
);
return(key);
}
)
.ToDictionary
(
(x) =>
{
return(x.Key);
}
, (x) =>
{
return
(x
.ToDictionary
(
(xx) =>
{
var attribute = xx
.GetCustomAttributes <SemanticVersionedAttribute>()
.FirstOrDefault() as SemanticVersionedAttribute;
return
attribute
.Version
.ToNormalizedString();
}
));
}
);
}
return(result);
}