Don't upchuck an NPE if a metadata value is null

DSpace · Oct 16, 2013 · 7ba9088 · 7ba9088
1 parent 39702c9
commit 7ba9088
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/dspace-api/src/main/java/org/dspace/identifier/ezid/EZIDRequest.java b/dspace-api/src/main/java/org/dspace/identifier/ezid/EZIDRequest.java
@@ -242,9 +242,13 @@ private static String formatMetadata(Map<String, String> raw)
 
     /**
      * Percent-encode a few EZID-specific characters.
+     *
+     * @return null for null input.
      */
     private static String escape(String s)
     {
+        if (null == s) { return s; }
+
         return s.replace("%", "%25")
                 .replace("\n", "%0A")
                 .replace("\r", "%0D")