From 0b1e24b7e9819176a30683340c3086450ca61c89 Mon Sep 17 00:00:00 2001
From: bjl23 <bjl23@440791e1-c2bf-4c1e-ad7c-caf3f8b0ebe8>
Date: Mon, 3 Jan 2011 17:11:24 +0000
Subject: [PATCH] NIHVIVO-1194 stripping characters invalid in XML from user
 input

---
 .../mannlib/vitro/webapp/edit/n3editing/EditN3Utils.java       | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/EditN3Utils.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/EditN3Utils.java
index 79b6eebff..7324ef0b8 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/EditN3Utils.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/EditN3Utils.java
@@ -49,6 +49,9 @@ public class EditN3Utils {
      * @return
      */
     public static String stripInvalidXMLChars(String in) {
+        if (in == null) {
+            return null;
+        }
         StringBuffer out = new StringBuffer();
         for (int i = 0; i < in.length(); i++) {
             char c = in.charAt(i);