deserialize java.util.Date support input time string, for issue #2905

alibaba · Sep 1, 2024 · 8572567 · 8572567
1 parent d2a1066
commit 8572567
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diff --git a/core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderImplDate.java b/core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderImplDate.java
@@ -144,7 +144,12 @@ private Object readDate(JSONReader jsonReader) {
                             int length = yyyyMMddhhmm16 ? 16 : 19;
                             ldt = DateUtils.parseLocalDateTime(str, 0, length);
                         } else {
-                            ldt = LocalDateTime.parse(str, formatter);
+                            if (formatHasDay) {
+                                ldt = LocalDateTime.parse(str, formatter);
+                            } else {
+                                LocalTime localTime = LocalTime.parse(str, formatter);
+                                ldt = LocalDateTime.of(LocalDate.MIN, localTime);
+                            }
                         }
                     }
                     zdt = ldt.atZone(jsonReader.getContext().getZoneId());

diff --git a/core/src/test/java/com/alibaba/fastjson2/issues_2900/Issue2905.java b/core/src/test/java/com/alibaba/fastjson2/issues_2900/Issue2905.java
@@ -0,0 +1,23 @@
+package com.alibaba.fastjson2.issues_2900;
+
+import com.alibaba.fastjson.annotation.JSONField;
+import com.alibaba.fastjson2.JSON;
+import org.junit.jupiter.api.Test;
+
+import java.util.Date;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+public class Issue2905 {
+    @Test
+    public void test() {
+        String s = "{\"saleEndTime\": \"23:00:00\"}";
+        Bean order = JSON.parseObject(s, Bean.class);
+        assertNotNull(order.saleEndTime);
+    }
+
+    public static class Bean {
+        @JSONField(format = "HH:mm:ss")
+        public Date saleEndTime;
+    }
+}