OCP: Introduce OCP\Common\Exception\NotFoundException

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

lib/public/Common/Exception/NotFoundException.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Marcel Klehr <mklehr@gmx.net>
+ *
+ * @author Marcel Klehr <mklehr@gmx.net>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+namespace OCP\Common\Exception;
+
+/**
+ * This is thrown whenever something was expected to exist but doesn't
+ *
+ * @since 28.0.0
+ */
+class NotFoundException extends \Exception {
+	/**
+	 * Constructor
+	 * @param string $msg the error message
+	 * @since 28.0.0
+	 */
+	public function __construct($msg) {
+		parent::__construct($msg);
+	}
+}