Stopped a notice.

yorkulibraries · Feb 25, 2015 · d276979548ff0ede989035944aa472f83d20019b · d276979
1 parent 9ac1eed
commit d276979548ff0ede989035944aa472f83d20019b
Unified Split

Showing with 5 additions and 3 deletions.

+5 −3 islandora.rules.inc
diff --git a/islandora.rules.inc b/islandora.rules.inc
@@ -406,9 +406,11 @@ function islandora_rules_datastream_load_namespace_vocab($xpath, $xpath_vocab) {
 /**
 * Rules XPath helper; grab the datastream content and build a DOMXPath.
 */
-  
-function islandora_rules_datastream_load_xpath(AbstractDatastream $datastream, $xpath_vocab) {
-  
-  $result = islandora_rules_datastream_load_domxpath($datastream->content, $xpath_vocab);
-  
-  islandora_rules_datastream_load_namespace_vocab($result['islandora_domxpath'], $xpath_vocab);
+  
+function islandora_rules_datastream_load_xpath(AbstractDatastream $datastream, $xpath_vocab = NULL) {
+  
+  $result = islandora_rules_datastream_load_domxpath($datastream->content);
+  
+  if (is_object($xpath_vocab)) {
+  
+    islandora_rules_datastream_load_namespace_vocab($result['islandora_domxpath'], $xpath_vocab);
+  
+  }
  return $result;
 }