From: Niels Erik G. Nielsen <nielserik@indexdata.com>
Date: Wed, 3 Jul 2013 11:25:01 +0000 (-0400)
Subject: Fixes npe when no subjects in location
X-Git-Tag: v0.0.7~19
X-Git-Url: http://git.indexdata.com/?p=mkjsf-moved-to-github.git;a=commitdiff_plain;h=f45937ca67d06c61fad70b426145e016e3789abd

Fixes npe when no subjects in location
---

diff --git a/src/main/java/com/indexdata/mkjsf/pazpar2/data/Location.java b/src/main/java/com/indexdata/mkjsf/pazpar2/data/Location.java
index 8cbfb90..57e72a6 100644
--- a/src/main/java/com/indexdata/mkjsf/pazpar2/data/Location.java
+++ b/src/main/java/com/indexdata/mkjsf/pazpar2/data/Location.java
@@ -40,12 +40,14 @@ public class Location extends ResponseDataObject {
   
   public String getSubjects() {
     StringBuilder builder = new StringBuilder("");
-    for (ResponseDataObject data : getElements("md-subject")) {
-      if (builder.length()==0) {
-        builder.append(data.getValue());
-      } else {
-        builder.append(", ");
-        builder.append(data.getValue());
+    if (getElements("md-subject") != null) {
+      for (ResponseDataObject data : getElements("md-subject")) {
+        if (builder.length()==0) {
+          builder.append(data.getValue());
+        } else {
+          builder.append(", ");
+          builder.append(data.getValue());
+        }
       }
     }
     return builder.toString();