/* * Copyright (c) 2023 Proton AG * * This file is part of ProtonVPN. * * ProtonVPN is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * ProtonVPN is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ProtonVPN. If not, see . */ namespace ProtonVPN.Common.Core.Helpers; public static class Ensure { public static void NotEmpty(string arg, string argName, string? message = null) { if (!string.IsNullOrEmpty(arg)) { return; } if (string.IsNullOrEmpty(message)) { throw new ArgumentException($"ArgumentException: {argName} string not valid."); } throw new ArgumentException($"{message}"); } public static void NotEmpty(IEnumerable arg, string argName) { if (arg == null || !arg.Any()) { throw new ArgumentException($"ArgumentException: sequence {argName} is empty or null"); } } public static void NotNull(T arg, string argName) where T : class { if (arg == null) { throw new ArgumentNullException($"ArgumentException: {argName} is null"); } } public static void IsTrue(bool condition, string message = "") { if (!condition) { throw new ArgumentException($"Condition not satisfied: {message}"); } } public static void IsFalse(bool condition, string message = "") { if (condition) { throw new ArgumentException($"Condition not satisfied: {message}"); } } }