From a1ba0eb47373656a6f19587526fbdfbe06c46b2a Mon Sep 17 00:00:00 2001
From: Tim van Dijen <tvdijen@gmail.com>
Date: Fri, 13 Sep 2024 12:34:08 +0200
Subject: [PATCH] Add importFromFile-method

---
 src/Registry/ElementRegistry.php | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/Registry/ElementRegistry.php b/src/Registry/ElementRegistry.php
index 26e43e4..20ac195 100644
--- a/src/Registry/ElementRegistry.php
+++ b/src/Registry/ElementRegistry.php
@@ -7,6 +7,7 @@
 use SimpleSAML\Assert\Assert;
 use SimpleSAML\XML\AbstractElement;
 use SimpleSAML\XML\Exception\InvalidDOMElementException;
+use SimpleSAML\XML\Exception\IOException;
 use Symfony\Component\Finder\Finder;
 
 use function array_merge_recursive;
@@ -22,7 +23,7 @@ final class ElementRegistry
     private array $registry = [];
 
 
-    final private function __construct()
+    private function __construct()
     {
         // Initialize the registry with all the elements we know
         $classesDir = dirname(__FILE__, 6) . '/vendor/simplesamlphp/composer-xmlprovider-installer/classes';
@@ -31,14 +32,24 @@ final private function __construct()
             $finder = Finder::create()->files()->name('element.registry.*.php')->in($classesDir);
             if ($finder->hasResults()) {
                 foreach ($finder as $file) {
-                    $elements = include($file);
-                    $this->registry = array_merge_recursive($this->registry, $elements);
+                    $this->importFromFile($file);
                 }
             }
         }
     }
 
 
+    public function importFromFile(string $file): void
+    {
+        if (file_exists($file) === true) {
+            $elements = include($file);
+            $this->registry = array_merge_recursive($this->registry, $elements);
+        } else {
+            throw new IOException('File not found.');
+        }
+    }
+
+
     public static function getInstance(): ElementRegistry
     {
         if (self::$instance === null) {