Change the code according to the developer’s response

mklinkj · Nov 21, 2023 · f2c3a58 · f2c3a58
1 parent c045d29
commit f2c3a58
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/Jackson/jackson-local-datetime-example/gradle.properties b/Jackson/jackson-local-datetime-example/gradle.properties
@@ -2,7 +2,7 @@ javaVersion=17
 projectEncoding=UTF-8
 
 
-jacksonVersion=2.15.3
+jacksonVersion=2.16.0
 
 
 lombokPluginVersion=8.4

diff --git a/Jackson/jackson-local-datetime-example/src/main/java/org/mklinkj/qna/jackson/App.java b/Jackson/jackson-local-datetime-example/src/main/java/org/mklinkj/qna/jackson/App.java
@@ -1,10 +1,9 @@
 package org.mklinkj.qna.jackson;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
 import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
 
 public class App {
 
@@ -17,15 +16,24 @@ public static void main(String[] args) throws Exception {
   }
 
   public static String serialize(Member member) throws Exception {
-
+    // It’s a non-recommended method of specifying the date format,
+    // and this method does not apply the date format in version 2.16.0.
+    /*
     ObjectMapper mapper =
         new ObjectMapper()
             .registerModule(
                 new JavaTimeModule()
                     .addSerializer(
                         LocalDateTime.class,
                         new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("MM/dd/yyyy"))));
+     */
+    ObjectMapper mapper =
+        new ObjectMapper() //
+            .registerModule(new JavaTimeModule());
 
+    mapper
+        .configOverride(LocalDateTime.class) //
+        .setFormat(JsonFormat.Value.forPattern("MM/dd/yyyy"));
     return mapper.writeValueAsString(member);
   }
 }