Add IncorrectValueInAttributeException

src/Mods/Exception/IncorrectValueInAttributeException.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * Copyright (C) 2024 Saxon State and University Library Dresden
+ *
+ * This file is part of the php-mods-reader.
+ *
+ * @license GNU General Public License version 3 or later.
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ */
+
+namespace Slub\Mods\Exception;
+
+use Exception;
+use Throwable;
+
+class IncorrectValueInAttributeException extends Exception {
+
+    /**
+     * Constructor for the custom exception.
+     *
+     * @param string $attribute name of the attribute
+     * @param string $value not allowed value
+     * @param integer $code
+     * @param Throwable|null $previous
+     *
+     * @return void
+     */
+    public function __construct(string $attribute, string $value, int $code = 0, Throwable $previous = null) {
+        $message = 'Value "' . $value . '" is not allowed for attribute "' . $attribute . '".';
+        parent::__construct($message, $code, $previous);
+    }
+}