kreta/Kreta.WebApi/User/Kreta.User.WebApi/Infrastructure/ApiKeyConfiguration.cs

using System;
using System.Configuration;

namespace Kreta.User.WebApi.Infrastructure
{
    public class ApiKeyConfiguration : ConfigurationSection, IApiKeyConfiguration
    {
        static Lazy<ApiKeyConfiguration> instance;

        public static ApiKeyConfiguration Instance
        {
            get
            {
                return instance.Value;
            }
        }

        [ConfigurationProperty(nameof(ApiKey), IsRequired = true)]
        public string ApiKey => (string)base[nameof(ApiKey)];

        static ApiKeyConfiguration()
        {
            instance = new Lazy<ApiKeyConfiguration>(() => (ApiKeyConfiguration)ConfigurationManager.GetSection(Constants.ConfigurationSectionNames.ApiKeyConfiguration));
        }
    }
}