65 lines
2.3 KiB
C#
65 lines
2.3 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Routing.Internal;
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using Microsoft.AspNetCore.Routing.Template;
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using Microsoft.AspNetCore.Routing.Tree;
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using Microsoft.Extensions.Logging.Abstractions;
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using Microsoft.Extensions.ObjectPool;
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using Microsoft.Extensions.Options;
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namespace Microsoft.AspNetCore.Routing.Matchers
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{
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internal class TreeRouterMatcherBuilder : MatcherBuilder
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{
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private readonly TreeRouteBuilder _inner;
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public TreeRouterMatcherBuilder()
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{
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_inner = new TreeRouteBuilder(
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NullLoggerFactory.Instance,
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new DefaultObjectPool<UriBuildingContext>(new UriBuilderContextPooledObjectPolicy()),
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new DefaultInlineConstraintResolver(Options.Create(new RouteOptions())));
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}
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public override void AddEndpoint(MatcherEndpoint endpoint)
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{
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var handler = new RouteHandler(c =>
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{
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var feature = c.Features.Get<IEndpointFeature>();
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feature.Endpoint = endpoint;
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feature.Invoker = MatcherEndpoint.EmptyInvoker;
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return Task.CompletedTask;
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});
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// MatcherEndpoint.Values contains the default values parsed from the template
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// as well as those specified with a literal. We need to separate those
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// for legacy cases.
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var defaults = new RouteValueDictionary(endpoint.Values);
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for (var i = 0; i < endpoint.ParsedTemlate.Parameters.Count; i++)
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{
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var parameter = endpoint.ParsedTemlate.Parameters[i];
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if (parameter.DefaultValue == null && defaults.ContainsKey(parameter.Name))
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{
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throw new InvalidOperationException(
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"The TreeRouter does not support non-inline default values.");
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}
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}
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_inner.MapInbound(
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handler,
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endpoint.ParsedTemlate,
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routeName: null,
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order: endpoint.Order);
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}
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public override Matcher Build()
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{
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return new TreeRouterMatcher(_inner.Build());
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}
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}
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}
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