static bool TryGetRequestedApiVersion(HttpContext httpContext, IApiVersioningFeature feature, out ApiVersion apiVersion)
{
Contract.Requires(httpContext != null);
Contract.Requires(feature != null);
try
{
apiVersion = feature.RequestedApiVersion;
}
catch (AmbiguousApiVersionException)
{
apiVersion = default;
return(false);
}
return(true);
}
/// <summary>
/// Initializes a new instance of the <see cref="ApiVersionUrlHelper"/> class.
/// </summary>
/// <param name="actionContext">The current <see cref="ActionContext">action context</see>.</param>
/// <param name="url">The inner <see cref="IUrlHelper">URL helper</see>.</param>
public ApiVersionUrlHelper(ActionContext actionContext, IUrlHelper url)
{
ActionContext = actionContext ?? throw new ArgumentNullException(nameof(actionContext));
Url = url;
feature = actionContext.HttpContext.Features.Get <IApiVersioningFeature>();
}
