public MvcEndpointDataSource(
IActionDescriptorCollectionProvider actions,
MvcEndpointInvokerFactory invokerFactory,
ParameterPolicyFactory parameterPolicyFactory,
RoutePatternTransformer routePatternTransformer)
{
_actions = actions;
_invokerFactory = invokerFactory;
_parameterPolicyFactory = parameterPolicyFactory;
_routePatternTransformer = routePatternTransformer;
ConventionalEndpointInfos = new List <MvcEndpointInfo>();
AttributeRoutingConventionResolvers = new List <Func <ActionDescriptor, DefaultEndpointConventionBuilder> >();
// IMPORTANT: this needs to be the last thing we do in the constructor. Change notifications can happen immediately!
//
// It's possible for someone to override the collection provider without providing
// change notifications. If that's the case we won't process changes.
if (actions is ActionDescriptorCollectionProvider collectionProviderWithChangeToken)
{
ChangeToken.OnChange(
() => collectionProviderWithChangeToken.GetChangeToken(),
UpdateEndpoints);
}
}
public ActionEndpointFactory(
RoutePatternTransformer routePatternTransformer,
MvcEndpointInvokerFactory invokerFactory)
{
if (routePatternTransformer == null)
{
throw new ArgumentNullException(nameof(routePatternTransformer));
}
if (invokerFactory == null)
{
throw new ArgumentNullException(nameof(invokerFactory));
}
_routePatternTransformer = routePatternTransformer;
_invokerFactory = invokerFactory;
}
private MvcEndpointDataSource CreateMvcEndpointDataSource(
IActionDescriptorCollectionProvider actionDescriptorCollectionProvider = null,
MvcEndpointInvokerFactory mvcEndpointInvokerFactory = null)
{
if (actionDescriptorCollectionProvider == null)
{
actionDescriptorCollectionProvider = new DefaultActionDescriptorCollectionProvider(
Array.Empty <IActionDescriptorProvider>(),
Array.Empty <IActionDescriptorChangeProvider>());
}
var services = new ServiceCollection();
services.AddSingleton(actionDescriptorCollectionProvider);
var routeOptionsSetup = new MvcCoreRouteOptionsSetup();
services.Configure <RouteOptions>(routeOptionsSetup.Configure);
services.AddRouting(options =>
{
options.ConstraintMap["upper-case"] = typeof(UpperCaseParameterTransform);
});
var serviceProvider = services.BuildServiceProvider();
var dataSource = new MvcEndpointDataSource(
actionDescriptorCollectionProvider,
mvcEndpointInvokerFactory ?? new MvcEndpointInvokerFactory(new ActionInvokerFactory(Array.Empty <IActionInvokerProvider>())),
serviceProvider.GetRequiredService <ParameterPolicyFactory>(),
serviceProvider.GetRequiredService <RoutePatternTransformer>());
var defaultEndpointConventionBuilder = new DefaultEndpointConventionBuilder();
dataSource.AttributeRoutingConventionResolvers.Add((actionDescriptor) =>
{
return(defaultEndpointConventionBuilder);
});
return(dataSource);
}
