upgrade

plugin/ims_lti/src/ImsLtiServiceRequestFactory.php

@@ -0,0 +1,35 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Class ImsLtiServiceRequestFactory.
+ */
+class ImsLtiServiceRequestFactory
+{
+    /**
+     * @return ImsLtiServiceRequest|null
+     */
+    public static function create(SimpleXMLElement $xml)
+    {
+        $bodyChildren = $xml->imsx_POXBody->children();
+
+        if (!empty($bodyChildren)) {
+            $name = $bodyChildren->getName();
+
+            switch ($name) {
+                case 'replaceResultRequest':
+                    return new ImsLtiServiceReplaceRequest($xml);
+                case 'readResultRequest':
+                    return new ImsLtiServiceReadRequest($xml);
+                case 'deleteResultRequest':
+                    return new ImsLtiServiceDeleteRequest($xml);
+                default:
+                    $name = str_replace(['ResultRequest', 'Request'], '', $name);
+
+                    return new ImsLtiServiceUnsupportedRequest($xml, $name);
+            }
+        }
+
+        return null;
+    }
+}