From 658778d12bfb0b255329bdada6140f536654ed49 Mon Sep 17 00:00:00 2001
From: Hollis Waite <hwaite@post.harvard.edu>
Date: Sat, 21 Dec 2024 13:04:40 -0500
Subject: [PATCH] Guard against NullPointerException for null
 Item.lastModified.

---
 api/src/main/java/io/minio/messages/Item.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/api/src/main/java/io/minio/messages/Item.java b/api/src/main/java/io/minio/messages/Item.java
index 7bca672ca..c4552a265 100644
--- a/api/src/main/java/io/minio/messages/Item.java
+++ b/api/src/main/java/io/minio/messages/Item.java
@@ -21,6 +21,7 @@
 import java.nio.charset.StandardCharsets;
 import java.time.ZonedDateTime;
 import java.util.Map;
+import java.util.Optional;
 import org.simpleframework.xml.Element;
 
 /**
@@ -86,7 +87,9 @@ public String objectName() {
 
   /** Returns last modified time of the object. */
   public ZonedDateTime lastModified() {
-    return lastModified.zonedDateTime();
+    return Optional.ofNullable(lastModified)
+      .map(ResponseDate::zonedDateTime)
+      .orElse(null);
   }
 
   /** Returns ETag of the object. */
@@ -111,7 +114,9 @@ public Owner owner() {
 
   /** Returns user metadata. This is MinIO specific extension to ListObjectsV2. */
   public Map<String, String> userMetadata() {
-    return (userMetadata == null) ? null : userMetadata.get();
+    return Optional.ofNullable(userMetadata)
+      .map(Metadata::get)
+      .orElse(null);
   }
 
   public String userTags() {