From 3dadc0be06976f3ab1ed932c50e640af64db9f5f Mon Sep 17 00:00:00 2001
From: Antonio Maria Sanchez Berrocal <antoniomaria@users.noreply.github.com>
Date: Wed, 3 Jul 2024 17:42:38 +0300
Subject: [PATCH] Use default state serializer content type if state is not
 null (#1033)

Signed-off-by: Antonio Sanchez <antonio.maria.sanchez@gmail.com>
Co-authored-by: Cassie Coyle <cassie@diagrid.io>
---
 sdk/src/main/java/io/dapr/client/AbstractDaprClient.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sdk/src/main/java/io/dapr/client/AbstractDaprClient.java b/sdk/src/main/java/io/dapr/client/AbstractDaprClient.java
index c9660ca22..61a7ad5c1 100644
--- a/sdk/src/main/java/io/dapr/client/AbstractDaprClient.java
+++ b/sdk/src/main/java/io/dapr/client/AbstractDaprClient.java
@@ -493,7 +493,11 @@ abstract class AbstractDaprClient implements DaprClient, DaprPreviewClient {
    */
   @Override
   public Mono<Void> saveState(String storeName, String key, String etag, Object value, StateOptions options) {
-    State<?> state = new State<>(key, value, etag, options);
+    Map<String, String> meta = null;
+    if (value != null) {
+      meta = Collections.singletonMap("contentType", stateSerializer.getContentType());
+    }
+    State<?> state = new State<>(key, value, etag, meta, options);
     return this.saveBulkState(storeName, Collections.singletonList(state));
   }