From c3884c57f59c6f805ad05f99c2d7a873b32cf1fd Mon Sep 17 00:00:00 2001
From: David Leoni <davidleonigit-github@yahoo.com>
Date: Thu, 27 Nov 2014 18:45:01 +0100
Subject: [PATCH] Fixes Cell.toString failing on null value

---
 main/src/com/google/refine/model/Cell.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/main/src/com/google/refine/model/Cell.java b/main/src/com/google/refine/model/Cell.java
index 7ab10cf16..324e47b46 100644
--- a/main/src/com/google/refine/model/Cell.java
+++ b/main/src/com/google/refine/model/Cell.java
@@ -193,6 +193,10 @@ public class Cell implements HasFields, Jsonizable {
     
     @Override
     public String toString() {
-        return value.toString();
+        if (value != null){
+            return value.toString();
+        } else {
+            return "null";
+        }
     }
 }