- added ObjectReference.getLdName method

src/main/java/org/openmuc/openiec61850/ObjectReference.java

@@ -50,6 +50,14 @@ public final class ObjectReference implements Iterable<String> {
         return nodeNames.get(nodeNames.size() - 1);
     }
     
+    public String getLdName() {
+        if (nodeNames == null) {
+            parseForNameList();
+        }
+        
+        return nodeNames.get(0);
+    }
+
     @Override
     public String toString() {
         return objectReference;