adds fail-fast approach.

Alex Soto · Alex Soto · commit ec7ec41d8de4 · 2014-12-04T09:25:37.000+01:00
diff --git a/src/main/java/com/github/fge/jsonpatch/JacksonUtils.java b/src/main/java/com/github/fge/jsonpatch/JacksonUtils.java
@@ -75,20 +75,19 @@ public final static String getLast(JsonPointer jsonPointer)
     {
         String representation = jsonPointer.toString();
 
-        if(representation != null)
+        if(representation == null) return "";
+
+        int slashPosition = -1;
+        if((slashPosition = representation.lastIndexOf('/')) != -1)
         {
-            int slashPosition = -1;
-            if((slashPosition = representation.lastIndexOf('/')) != -1)
-            {
-                return representation.substring(slashPosition+1);
-            }
-            else
-            {
-                return representation;
-            }
+            return representation.substring(slashPosition+1);
         }
+        else
+        {
+            return representation;
+        }
+
 
-        return "";
     }
 
     public final static JsonPointer empty()
