Inject configuration into WorldCatUtils.

module/VuFind/config/module.config.php

@@ -270,11 +270,16 @@ $config = array(
                     $sm->get('VuFind\Http')->createClient()
                 );
             },
+            'VuFind\WorldCatUtils' => function ($sm) {
+                $config = $sm->get('VuFind\Config')->get('config');
+                $wcId = isset($config->WorldCat->id)
+                    ? $config->WorldCat->id : false;
+                return new \VuFind\Connection\WorldCatUtils($wcId);
+            },
         ),
         'invokables' => array(
             'VuFind\RecordLoader' => 'VuFind\Record\Loader',
             'VuFind\SessionManager' => 'Zend\Session\SessionManager',
-            'VuFind\WorldCatUtils' => 'VuFind\Connection\WorldCatUtils',
         ),
         'initializers' => array(
             array('VuFind\ServiceManager\Initializer', 'initInstance'),

module/VuFind/src/VuFind/Connection/WorldCatUtils.php

@@ -26,8 +26,7 @@
  * @link     http://vufind.org/wiki/vufind2:developer_manual Wiki
  */
 namespace VuFind\Connection;
-use File_MARCXML, VuFind\Config\Reader as ConfigReader,
-    VuFind\XSLT\Processor as XSLTProcessor, Zend\Log\LoggerInterface;
+use File_MARCXML, VuFind\XSLT\Processor as XSLTProcessor, Zend\Log\LoggerInterface;
 
 /**
  * World Cat Utilities
@@ -49,6 +48,23 @@ class WorldCatUtils implements \Zend\Log\LoggerAwareInterface
      */
     protected $logger = false;
 
+    /**
+     * WorldCat ID
+     *
+     * @var string
+     */
+    protected $worldCatId;
+
+    /**
+     * Constructor
+     *
+     * @param string $worldcatId WorldCat ID
+     */
+    public function __construct($worldCatId)
+    {
+        $this->worldCatId = $worldCatId;
+    }
+
     /**
      * Set the logger
      *
@@ -82,13 +98,7 @@ class WorldCatUtils implements \Zend\Log\LoggerAwareInterface
      */
     protected function getWorldCatId()
     {
-        static $wcId = null;
-        if (is_null($wcId)) {
-            $config = ConfigReader::getConfig();
-            $wcId = isset($config->WorldCat->id)
-                ? $config->WorldCat->id : false;
-        }
-        return $wcId;
+        return $this->worldCatId;
     }
 
     /**