X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fcom%2Findexdata%2Fmkjsf%2Fpazpar2%2Fdata%2FLocation.java;h=57e72a6e45382aa8b76df03fb160a13d99abdc21;hb=HEAD;hp=b66b717600ae3037422bcc38bb58b808b9974b4a;hpb=8adf7eecfbcb98af079f4f2d129a1f76b146aefc;p=mkjsf-moved-to-github.git

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 b66b717..57e72a6 100644
--- a/src/main/java/com/indexdata/mkjsf/pazpar2/data/Location.java
+++ b/src/main/java/com/indexdata/mkjsf/pazpar2/data/Location.java
@@ -2,7 +2,12 @@ package com.indexdata.mkjsf.pazpar2.data;
 
 import com.indexdata.mkjsf.pazpar2.data.ResponseDataObject;
 
-
+/**
+ * Data from the <code>show</code> command, child object of Hit
+ * 
+ * @author Niels Erik
+ *
+ */
 public class Location extends ResponseDataObject {
     
   private static final long serialVersionUID = -1386527442857478225L;
@@ -22,7 +27,7 @@ public class Location extends ResponseDataObject {
   }
   
   public String getSubject() {
-    return getOneElementValue("md-subject");
+    return getOneValue("md-subject");
   }
   
   public void setSequenceNumber(int num) {
@@ -35,19 +40,21 @@ 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();
   }
 
   public String getAuthor() {
-    return getOneElementValue("md-author");
+    return getOneValue("md-author");
   }
   
   public String getAuthors() {