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to #3789, toJavaObject IgnoreSetNullValue

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高铁 2025-09-20 14:58:00 +08:00
parent 3a23ee580c
commit 0e0c19f10a
2 changed files with 39 additions and 2 deletions
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4
core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderAdapter.java
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@ -578,8 +578,10 @@ public class ObjectReaderAdapter<T>
FieldReader fieldReader = fieldReaders[i];
Object fieldValue = map.get(fieldReader.fieldName);
if (fieldValue == null) {
if ((features2 & JSONReader.Feature.IgnoreSetNullValue.mask) != 0 || !map.containsKey(fieldReader.fieldName)) {
continue;
}
}
if (fieldReader.field != null && Modifier.isFinal(fieldReader.field.getModifiers())) {
try {
@ -592,7 +594,7 @@ public class ObjectReaderAdapter<T>
}
}
if (fieldValue.getClass() == fieldReader.fieldType) {
if (fieldValue == null || fieldValue.getClass() == fieldReader.fieldType) {
fieldReader.accept(object, fieldValue);
} else {
if ((fieldReader instanceof FieldReaderList)

35
core/src/test/java/com/alibaba/fastjson2/issues_3700/Issue3789.java Normal file
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@ -0,0 +1,35 @@
package com.alibaba.fastjson2.issues_3700;
import com.alibaba.fastjson2.JSONException;
import com.alibaba.fastjson2.JSONObject;
import com.alibaba.fastjson2.JSONReader;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
public class Issue3789 {
@Test
public void test() {
String name = "abc";
assertThrows(JSONException.class,
() -> JSONObject.of("name", null).to(Bean.class));
assertNull(JSONObject.of("name", null).to(Bean.class, JSONReader.Feature.IgnoreSetNullValue).name);
assertNull(JSONObject.of().to(Bean.class).name);
assertEquals(name,
JSONObject.of("name", name).to(Bean.class).name);
}
public static class Bean {
private String name;
public void setName(String name) {
if (name == null) {
throw new IllegalArgumentException();
}
this.name = name;
}
}
}