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MapRouteRouteBuilderExtensions.cs
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MapRouteRouteBuilderExtensions.cs
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// 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 Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.DependencyInjection;
namespace Microsoft.AspNetCore.Builder
{
/// <summary>
/// Provides extension methods for <see cref="IRouteBuilder"/> to add routes.
/// </summary>
public static class MapRouteRouteBuilderExtensions
{
/// <summary>
/// Adds a route to the <see cref="IRouteBuilder"/> with the specified name and template.
/// </summary>
/// <param name="routeBuilder">The <see cref="IRouteBuilder"/> to add the route to.</param>
/// <param name="name">The name of the route.</param>
/// <param name="template">The URL pattern of the route.</param>
/// <returns>A reference to this instance after the operation has completed.</returns>
public static IRouteBuilder MapRoute(
this IRouteBuilder routeBuilder,
string name,
string template)
{
MapRoute(routeBuilder, name, template, defaults: null);
return routeBuilder;
}
/// <summary>
/// Adds a route to the <see cref="IRouteBuilder"/> with the specified name, template, and default values.
/// </summary>
/// <param name="routeBuilder">The <see cref="IRouteBuilder"/> to add the route to.</param>
/// <param name="name">The name of the route.</param>
/// <param name="template">The URL pattern of the route.</param>
/// <param name="defaults">
/// An object that contains default values for route parameters. The object's properties represent the names
/// and values of the default values.
/// </param>
/// <returns>A reference to this instance after the operation has completed.</returns>
public static IRouteBuilder MapRoute(
this IRouteBuilder routeBuilder,
string name,
string template,
object defaults)
{
return MapRoute(routeBuilder, name, template, defaults, constraints: null);
}
/// <summary>
/// Adds a route to the <see cref="IRouteBuilder"/> with the specified name, template, default values, and
/// constraints.
/// </summary>
/// <param name="routeBuilder">The <see cref="IRouteBuilder"/> to add the route to.</param>
/// <param name="name">The name of the route.</param>
/// <param name="template">The URL pattern of the route.</param>
/// <param name="defaults">
/// An object that contains default values for route parameters. The object's properties represent the names
/// and values of the default values.
/// </param>
/// <param name="constraints">
/// An object that contains constraints for the route. The object's properties represent the names and values
/// of the constraints.
/// </param>
/// <returns>A reference to this instance after the operation has completed.</returns>
public static IRouteBuilder MapRoute(
this IRouteBuilder routeBuilder,
string name,
string template,
object defaults,
object constraints)
{
return MapRoute(routeBuilder, name, template, defaults, constraints, dataTokens: null);
}
/// <summary>
/// Adds a route to the <see cref="IRouteBuilder"/> with the specified name, template, default values, and
/// data tokens.
/// </summary>
/// <param name="routeBuilder">The <see cref="IRouteBuilder"/> to add the route to.</param>
/// <param name="name">The name of the route.</param>
/// <param name="template">The URL pattern of the route.</param>
/// <param name="defaults">
/// An object that contains default values for route parameters. The object's properties represent the names
/// and values of the default values.
/// </param>
/// <param name="constraints">
/// An object that contains constraints for the route. The object's properties represent the names and values
/// of the constraints.
/// </param>
/// <param name="dataTokens">
/// An object that contains data tokens for the route. The object's properties represent the names and values
/// of the data tokens.
/// </param>
/// <returns>A reference to this instance after the operation has completed.</returns>
public static IRouteBuilder MapRoute(
this IRouteBuilder routeBuilder,
string name,
string template,
object defaults,
object constraints,
object dataTokens)
{
if (routeBuilder.DefaultHandler == null)
{
throw new RouteCreationException(Resources.FormatDefaultHandler_MustBeSet(nameof(IRouteBuilder)));
}
var inlineConstraintResolver = routeBuilder
.ServiceProvider
.GetRequiredService<IInlineConstraintResolver>();
routeBuilder.Routes.Add(new Route(
routeBuilder.DefaultHandler,
name,
template,
new RouteValueDictionary(defaults),
new RouteValueDictionary(constraints),
new RouteValueDictionary(dataTokens),
inlineConstraintResolver));
return routeBuilder;
}
}
}