aspnetcore/src/Microsoft.AspNetCore.Routing/Constraints/CompositeRouteConstraint.cs

63 lines
1.9 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.Collections.Generic;
using Microsoft.AspNetCore.Http;
namespace Microsoft.AspNetCore.Routing.Constraints
{
/// <summary>
/// Constrains a route by several child constraints.
/// </summary>
public class CompositeRouteConstraint : IRouteConstraint
{
/// <summary>
/// Initializes a new instance of the <see cref="CompositeRouteConstraint" /> class.
/// </summary>
/// <param name="constraints">The child constraints that must match for this constraint to match.</param>
public CompositeRouteConstraint(IEnumerable<IRouteConstraint> constraints)
{
if (constraints == null)
{
throw new ArgumentNullException(nameof(constraints));
}
Constraints = constraints;
}
/// <summary>
/// Gets the child constraints that must match for this constraint to match.
/// </summary>
public IEnumerable<IRouteConstraint> Constraints { get; private set; }
/// <inheritdoc />
public bool Match(
HttpContext httpContext,
IRouter route,
string routeKey,
RouteValueDictionary values,
RouteDirection routeDirection)
{
if (routeKey == null)
{
throw new ArgumentNullException(nameof(routeKey));
}
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
foreach (var constraint in Constraints)
{
if (!constraint.Match(httpContext, route, routeKey, values, routeDirection))
{
return false;
}
}
return true;
}
}
}