71 lines
2.2 KiB
C#
71 lines
2.2 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
|
|
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
|
|
|
|
using System;
|
|
using System.Threading.Tasks;
|
|
using Microsoft.AspNetCore.Http;
|
|
using Microsoft.Extensions.Options;
|
|
|
|
namespace Microsoft.AspNetCore.Routing.Matchers
|
|
{
|
|
internal class RouteMatcher : Matcher
|
|
{
|
|
public static MatcherBuilder CreateBuilder() => new Builder();
|
|
|
|
private IRouter _inner;
|
|
|
|
private RouteMatcher(IRouter inner)
|
|
{
|
|
_inner = inner;
|
|
}
|
|
|
|
public async override Task MatchAsync(HttpContext httpContext, IEndpointFeature feature)
|
|
{
|
|
if (httpContext == null)
|
|
{
|
|
throw new ArgumentNullException(nameof(httpContext));
|
|
}
|
|
|
|
if (feature == null)
|
|
{
|
|
throw new ArgumentNullException(nameof(feature));
|
|
}
|
|
|
|
var context = new RouteContext(httpContext);
|
|
await _inner.RouteAsync(context);
|
|
|
|
if (context.Handler != null)
|
|
{
|
|
httpContext.Features.Set<IEndpointFeature>(feature);
|
|
await context.Handler(httpContext);
|
|
}
|
|
}
|
|
|
|
private class Builder : MatcherBuilder
|
|
{
|
|
private readonly RouteCollection _routes = new RouteCollection();
|
|
private readonly IInlineConstraintResolver _constraintResolver;
|
|
|
|
public Builder()
|
|
{
|
|
_constraintResolver = new DefaultInlineConstraintResolver(Options.Create(new RouteOptions()));
|
|
}
|
|
|
|
public override void AddEntry(string pattern, MatcherEndpoint endpoint)
|
|
{
|
|
var handler = new RouteHandler(c =>
|
|
{
|
|
c.Features.Get<IEndpointFeature>().Endpoint = endpoint;
|
|
return Task.CompletedTask;
|
|
});
|
|
_routes.Add(new Route(handler, pattern, _constraintResolver));
|
|
}
|
|
|
|
public override Matcher Build()
|
|
{
|
|
return new RouteMatcher(_routes);
|
|
}
|
|
}
|
|
}
|
|
}
|