/// <summary>
/// Creates a <see cref="RoutePatternParameterPolicyReference"/> from the provided object.
/// </summary>
/// <param name="parameterPolicy">
/// The parameter policy object.
/// </param>
/// <returns>The <see cref="RoutePatternParameterPolicyReference"/>.</returns>
public static RoutePatternParameterPolicyReference ParameterPolicy(IParameterPolicy parameterPolicy)
{
if (parameterPolicy == null)
{
throw new ArgumentNullException(nameof(parameterPolicy));
}
return(ParameterPolicyCore(parameterPolicy));
}
public override IParameterPolicy Create(RoutePatternParameterPart?parameter, IParameterPolicy parameterPolicy)
{
if (parameterPolicy == null)
{
throw new ArgumentNullException(nameof(parameterPolicy));
}
if (parameterPolicy is IRouteConstraint routeConstraint)
{
return(InitializeRouteConstraint(parameter?.IsOptional ?? false, routeConstraint));
}
return(parameterPolicy);
}
public override IParameterPolicy Create(RoutePatternParameterPart parameter, IParameterPolicy parameterPolicy)
{
throw new NotImplementedException();
}
internal RoutePatternParameterPolicyReference(IParameterPolicy parameterPolicy)
{
ParameterPolicy = parameterPolicy;
}
private static RoutePatternParameterPolicyReference ParameterPolicyCore(IParameterPolicy parameterPolicy)
{
return(new RoutePatternParameterPolicyReference(parameterPolicy));
}
/// <summary> /// Creates a parameter policy. /// </summary> /// <param name="parameter">The parameter the parameter policy is being created for.</param> /// <param name="parameterPolicy">An existing parameter policy.</param> /// <returns>The <see cref="IParameterPolicy"/> for the parameter.</returns> public abstract IParameterPolicy Create(RoutePatternParameterPart parameter, IParameterPolicy parameterPolicy);