C# ServiceLocator

    public static class ServiceLocator
    {
        public static Dictionary<Type, object> serviceContainer = null;

        public static void AddService<T>(T serviceInstance)
        {
            if (null == serviceContainer)
                serviceContainer = new Dictionary<Type, object>();

            try
            {
                serviceContainer.Add(typeof(T), (object)serviceInstance);
            }
            catch
            {
                AppHelper.Logger.Log(LogCategory.Exception, Priority.Medium, "KinectService.ServiceLocator: Attempted to add duplicate service: " + typeof(T).Name);
            }
        }

        public static T GetService<T>()
        {
            try
            {
                var service = (T)serviceContainer[typeof(T)];
                return service;
            }
            catch
            {
                AppHelper.Logger.Log(LogCategory.Exception, Priority.Medium, "KinectService.ServiceLocator: Service not available: " + typeof(T).Name);
                return default(T);
            } 
        }
    }