From 193349f4aa7eecf43cc6ebf104e218e704db21d9 Mon Sep 17 00:00:00 2001
From: testcenter <lucas.gruenberger@gmail.com>
Date: Tue, 28 Jun 2016 09:18:03 +0200
Subject: [PATCH] made nullSafe wrapper of JsonAdapter optional

---
 .../src/main/java/com/google/gson/annotations/JsonAdapter.java | 3 +++
 .../internal/bind/JsonAdapterAnnotationTypeAdapterFactory.java | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/gson/src/main/java/com/google/gson/annotations/JsonAdapter.java b/gson/src/main/java/com/google/gson/annotations/JsonAdapter.java
index 2ee3e682..a98b27a1 100644
--- a/gson/src/main/java/com/google/gson/annotations/JsonAdapter.java
+++ b/gson/src/main/java/com/google/gson/annotations/JsonAdapter.java
@@ -94,4 +94,7 @@ public @interface JsonAdapter {
   /** Either a {@link TypeAdapter} or {@link TypeAdapterFactory}. */
   Class<?> value();
 
+  /** false, to be able to handle {@code null} values within the adapter, default value is true. */
+  boolean nullSafe() default true;
+
 }
diff --git a/gson/src/main/java/com/google/gson/internal/bind/JsonAdapterAnnotationTypeAdapterFactory.java b/gson/src/main/java/com/google/gson/internal/bind/JsonAdapterAnnotationTypeAdapterFactory.java
index c079b64d..7cfb910a 100644
--- a/gson/src/main/java/com/google/gson/internal/bind/JsonAdapterAnnotationTypeAdapterFactory.java
+++ b/gson/src/main/java/com/google/gson/internal/bind/JsonAdapterAnnotationTypeAdapterFactory.java
@@ -73,7 +73,7 @@ public final class JsonAdapterAnnotationTypeAdapterFactory implements TypeAdapte
               + "JsonSerializer or JsonDeserializer reference.");
     }
 
-    if (typeAdapter != null) {
+    if (typeAdapter != null && annotation.nullSafe()) {
       typeAdapter = typeAdapter.nullSafe();
     }