From 1dcdd3fb3f139d9fad3df072104af3110cb31733 Mon Sep 17 00:00:00 2001
From: Inderjeet Singh <inder123@gmail.com>
Date: Thu, 1 Oct 2009 22:15:53 +0000
Subject: [PATCH] Implemented suggestions from code review r432 by adding a
 JsonNull for primitives if the value is null.

---
 .../main/java/com/google/gson/JsonSerializationVisitor.java | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java b/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java
index 73c04587..ed26a383 100644
--- a/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java
+++ b/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java
@@ -135,10 +135,8 @@ final class JsonSerializationVisitor implements ObjectNavigator.Visitor {
   }
 
   public void visitPrimitive(Object obj) {
-    if (obj != null) {
-      JsonElement json = new JsonPrimitive(obj);
-      assignToRoot(json);
-    }
+    JsonElement json = obj == null ? JsonNull.createJsonNull() : new JsonPrimitive(obj);
+    assignToRoot(json);
   }
 
   private void addAsChildOfObject(Field f, Type fieldType, Object fieldValue) {