Merge remote-tracking branch 'upstream/2.16' into 2787-allow-mixins-f…

…or-enums

release-notes/CREDITS-2.x

@@ -1583,16 +1583,18 @@ Hervé Boutemy (hboutemy@github)
   (2.15.0)
 
 Sim Yih Tsern (yihtsern@github)
-  * Contributed fix for #2974: Null coercion with `@JsonSetter` does not work with `java.lang.Record`
+ * Contributed fix for #2974: Null coercion with `@JsonSetter` does not work with `java.lang.Record`
   (2.15.0)
-  * Contributed fix for #2992: Properties naming strategy do not work with Record
+ * Contributed fix for #2992: Properties naming strategy do not work with Record
   (2.15.0)
-  * Contributed fix for #3180: Support `@JsonCreator` annotation on record classes
+ * Contributed fix for #3180: Support `@JsonCreator` annotation on record classes
   (2.15.0)
-  * Contributed fix for #3297: `@JsonDeserialize(converter = ...)` does not work with Records
+ * Contributed fix for #3297: `@JsonDeserialize(converter = ...)` does not work with Records
   (2.15.0)
-  * Contributed fix for #3342: `JsonTypeInfo.As.EXTERNAL_PROPERTY` does not work with record wrappers
+ * Contributed fix for #3342: `JsonTypeInfo.As.EXTERNAL_PROPERTY` does not work with record wrappers
   (2.15.0)
+ * Contributed fix for #3894: Only avoid Records fields detection for deserialization
+  (2.15.1)
 
 Ajay Siwach (Siwach16@github)
   * Contributed #3637: Add enum features into `@JsonFormat.Feature`

release-notes/VERSION-2.x

@@ -8,6 +8,15 @@ Project: jackson-databind
 
 No changes since 2.15
 
+2.15.1 (not yet released)
+
+#3894: Only avoid Records fields detection for deserialization
+ (contributed by Sim Y-T)
+#3913: Issue with deserialization when there are unexpected properties (due
+  to null `StreamReadConstraints`)
+ (reported by @sbertault)
+#3914: Fix TypeId serialization for `JsonTypeInfo.Id.DEDUCTION`, native type ids
+
 2.15.0 (23-Apr-2023)
 
 #2536: Add `EnumFeature.READ_ENUM_KEYS_USING_INDEX` to work with

src/main/java/com/fasterxml/jackson/databind/deser/BeanDeserializer.java

@@ -454,7 +454,7 @@ protected Object _deserializeUsingPropertyBased(final JsonParser p, final Deseri
 
                     //  polymorphic?
                     if (bean.getClass() != _beanType.getRawClass()) {
-                        return handlePolymorphic(p, ctxt, bean, unknown);
+                        return handlePolymorphic(p, ctxt, p.streamReadConstraints(), bean, unknown);
                     }
                     if (unknown != null) { // nope, just extra unknown stuff...
                         bean = handleUnknownProperties(ctxt, bean, unknown);
@@ -538,7 +538,7 @@ protected Object _deserializeUsingPropertyBased(final JsonParser p, final Deseri
         if (unknown != null) {
             // polymorphic?
             if (bean.getClass() != _beanType.getRawClass()) { // lgtm [java/dereferenced-value-may-be-null]
-                return handlePolymorphic(null, ctxt, bean, unknown);
+                return handlePolymorphic(null, ctxt, p.streamReadConstraints(), bean, unknown);
             }
             // no, just some extra unknown properties
             return handleUnknownProperties(ctxt, bean, unknown);

src/main/java/com/fasterxml/jackson/databind/deser/BeanDeserializerBase.java

@@ -1735,18 +1735,41 @@ protected void handleIgnoredProperty(JsonParser p, DeserializationContext ctxt,
      * @param p (optional) If not null, parser that has more properties to handle
      *   (in addition to buffered properties); if null, all properties are passed
      *   in buffer
+     * @deprecated use {@link #handlePolymorphic(JsonParser, DeserializationContext, StreamReadConstraints, Object, TokenBuffer)}
      */
+    @Deprecated
     protected Object handlePolymorphic(JsonParser p, DeserializationContext ctxt,
             Object bean, TokenBuffer unknownTokens)
         throws IOException
+    {
+        final StreamReadConstraints streamReadConstraints = p == null ?
+                StreamReadConstraints.defaults() : p.streamReadConstraints();
+        return handlePolymorphic(p, ctxt, streamReadConstraints, bean, unknownTokens);
+    }
+
+    /**
+     * Method called in cases where we may have polymorphic deserialization
+     * case: that is, type of Creator-constructed bean is not the type
+     * of deserializer itself. It should be a sub-class or implementation
+     * class; either way, we may have more specific deserializer to use
+     * for handling it.
+     *
+     * @param p (optional) If not null, parser that has more properties to handle
+     *   (in addition to buffered properties); if null, all properties are passed
+     *   in buffer
+     * @since 2.15.1
+     */
+    protected Object handlePolymorphic(JsonParser p, DeserializationContext ctxt,
+            StreamReadConstraints streamReadConstraints, Object bean, TokenBuffer unknownTokens)
+        throws IOException
     {
         // First things first: maybe there is a more specific deserializer available?
         JsonDeserializer<Object> subDeser = _findSubclassDeserializer(ctxt, bean, unknownTokens);
         if (subDeser != null) {
             if (unknownTokens != null) {
                 // need to add END_OBJECT marker first
                 unknownTokens.writeEndObject();
-                JsonParser p2 = unknownTokens.asParser(p.streamReadConstraints());
+                JsonParser p2 = unknownTokens.asParser(streamReadConstraints);
                 p2.nextToken(); // to get to first data field
                 bean = subDeser.deserialize(p2, ctxt, bean);
             }

src/main/java/com/fasterxml/jackson/databind/deser/BuilderBasedDeserializer.java

@@ -395,7 +395,7 @@ protected Object _deserializeUsingPropertyBased(final JsonParser p,
                     }
                     //  polymorphic?
                     if (builder.getClass() != _beanType.getRawClass()) {
-                        return handlePolymorphic(p, ctxt, builder, unknown);
+                        return handlePolymorphic(p, ctxt, p.streamReadConstraints(), builder, unknown);
                     }
                     if (unknown != null) { // nope, just extra unknown stuff...
                         builder = handleUnknownProperties(ctxt, builder, unknown);
@@ -440,7 +440,7 @@ protected Object _deserializeUsingPropertyBased(final JsonParser p,
         if (unknown != null) {
             // polymorphic?
             if (builder.getClass() != _beanType.getRawClass()) {
-                return handlePolymorphic(null, ctxt, builder, unknown);
+                return handlePolymorphic(null, ctxt, p.streamReadConstraints(), builder, unknown);
             }
             // no, just some extra unknown properties
             return handleUnknownProperties(ctxt, builder, unknown);
@@ -669,7 +669,7 @@ protected Object deserializeUsingPropertyBasedWithUnwrapped(JsonParser p,
                         continue; // never gets here
                     }
                     if (builder.getClass() != _beanType.getRawClass()) {
-                        return handlePolymorphic(p, ctxt, builder, tokens);
+                        return handlePolymorphic(p, ctxt, p.streamReadConstraints(), builder, tokens);
                     }
                     return deserializeWithUnwrapped(p, ctxt, builder, tokens);
                 }

src/main/java/com/fasterxml/jackson/databind/introspect/POJOPropertiesCollector.java

@@ -440,7 +440,8 @@ protected void collectAll()
 
         // 15-Jan-2023, tatu: [databind#3736] Let's avoid detecting fields of Records
         //   altogether (unless we find a good reason to detect them)
-        if (!isRecordType()) {
+        // 17-Apr-2023: Need Records' fields for serialization for cases like [databind#3895] & [databind#3628]
+        if (!isRecordType() || _forSerialization) {
             _addFields(props); // note: populates _fieldRenameMappings
         }
         _addMethods(props);

src/main/java/com/fasterxml/jackson/databind/jsontype/impl/AsDeductionTypeSerializer.java

@@ -4,6 +4,7 @@
 
 import com.fasterxml.jackson.annotation.JsonTypeInfo.As;
 import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonToken;
 import com.fasterxml.jackson.core.type.WritableTypeId;
 import com.fasterxml.jackson.databind.BeanProperty;
 
@@ -39,9 +40,19 @@ public WritableTypeId writeTypePrefix(JsonGenerator g,
         // write surrounding Object or Array start/end markers. But
         // we are not to generate type id to write (compared to base class)
 
-        if (idMetadata.valueShape.isStructStart()
-                // also: do not try to write native type id
-                && !g.canWriteTypeId()) {
+        if (idMetadata.valueShape.isStructStart()) {
+            // 03-May-2023, tatu: [databind#3914]: should not write Native Type Id;
+            //   but may need to write the value start marker
+            if (g.canWriteTypeId()) {
+                idMetadata.wrapperWritten = false;
+                if (idMetadata.valueShape == JsonToken.START_OBJECT) {
+                    g.writeStartObject(idMetadata.forValue);
+                } else if (idMetadata.valueShape == JsonToken.START_ARRAY) {
+                    g.writeStartArray(idMetadata.forValue);
+                }
+                return idMetadata;
+            }
+            // But for non-wrapper types can just use the default handling
             return g.writeTypePrefix(idMetadata);
         }
         return null;

src/main/java/com/fasterxml/jackson/databind/module/SimpleModule.java

@@ -21,6 +21,13 @@
  * as well as some other commonly
  * needed aspects (addition of custom {@link AbstractTypeResolver}s,
  * {@link com.fasterxml.jackson.databind.deser.ValueInstantiator}s).
+ * <p>
+ * NOTE: that [de]serializers are registered as "default" [de]serializers. 
+ * As a result, they will have lower priority than the ones indicated through annotations on 
+ * both Class and property-associated annotations -- for example, 
+ * {@link com.fasterxml.jackson.databind.annotation.JsonDeserialize}.<br/>
+ * In cases where both module-based [de]serializers and annotation-based [de]serializers are registered, 
+ * the [de]serializer specified by the annotation will take precedence.
  *<p>
  * NOTE: although it is not expected that sub-types should need to
  * override {@link #setupModule(SetupContext)} method, if they choose
@@ -312,6 +319,8 @@ protected SimpleModule setNamingStrategy(PropertyNamingStrategy naming) {
      *<p>
      * WARNING! "Last one wins" rule is applied.
      * Possible earlier addition of a serializer for a given Class will be replaced.
+     * <p>
+     * NOTE: This method registers "default" (de)serializers only. See a note on precedence in class JavaDoc.
      */
     public SimpleModule addSerializer(JsonSerializer<?> ser)
     {
@@ -325,13 +334,17 @@ public SimpleModule addSerializer(JsonSerializer<?> ser)
 
     /**
      * Method for adding serializer to handle values of specific type.
+     * <p>
+     * NOTE: This method registers "default" (de)serializers only. See a note on precedence in class JavaDoc.
      *<p>
      * WARNING! Type matching only uses type-erased {@code Class} and should NOT
      * be used when registering serializers for generic types like
      * {@link java.util.Collection} and {@link java.util.Map}.
      *<p>
      * WARNING! "Last one wins" rule is applied.
      * Possible earlier addition of a serializer for a given Class will be replaced.
+     * <p>
+     * NOTE: This method registers "default" (de)serializers only. See a note on precedence in class JavaDoc.
      */
     public <T> SimpleModule addSerializer(Class<? extends T> type, JsonSerializer<T> ser)
     {
@@ -344,6 +357,9 @@ public <T> SimpleModule addSerializer(Class<? extends T> type, JsonSerializer<T>
         return this;
     }
 
+    /**
+     * NOTE: This method registers "default" (de)serializers only. See a note on precedence in class JavaDoc.
+     */
     public <T> SimpleModule addKeySerializer(Class<? extends T> type, JsonSerializer<T> ser)
     {
         _checkNotNull(type, "type to register key serializer for");
@@ -370,6 +386,8 @@ public <T> SimpleModule addKeySerializer(Class<? extends T> type, JsonSerializer
      *<p>
      * WARNING! "Last one wins" rule is applied.
      * Possible earlier addition of a serializer for a given Class will be replaced.
+     * <p>
+     * NOTE: This method registers "default" (de)serializers only. See a note on precedence in class JavaDoc.
      */
     public <T> SimpleModule addDeserializer(Class<T> type, JsonDeserializer<? extends T> deser)
     {
@@ -382,6 +400,9 @@ public <T> SimpleModule addDeserializer(Class<T> type, JsonDeserializer<? extend
         return this;
     }
 
+    /**
+     * NOTE: This method registers "default" (de)serializers only. See a note on precedence in class JavaDoc.
+     */
     public SimpleModule addKeyDeserializer(Class<?> type, KeyDeserializer deser)
     {
         _checkNotNull(type, "type to register key deserializer for");

src/test-jdk14/java/com/fasterxml/jackson/databind/failing/RecordDeserialization3897Test.java

@@ -0,0 +1,23 @@
+package com.fasterxml.jackson.databind.failing;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.BaseMapTest;
+
+// [databinding#3897] This is failing test for `Record` class deserialization with single field annotated with
+// `JsonProperty.Access.WRITE_ONLY`. Regression from Jackson 2.14.2
+public class RecordDeserialization3897Test extends BaseMapTest {
+
+    record Example(
+        @JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
+        String value
+    ) {}
+
+    // Passes in 2.14.2, but does not in 2.15.0 
+    public void testRecordWithWriteOnly() throws Exception {
+        final String JSON = a2q("{'value':'foo'}");
+
+        Example result = newJsonMapper().readValue(JSON, Example.class);
+
+        assertEquals("foo", result.value());
+    }
+}

src/test-jdk14/java/com/fasterxml/jackson/databind/records/RecordIgnoreNonAccessorGetterTest.java

@@ -0,0 +1,54 @@
+package com.fasterxml.jackson.databind.records;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
+import com.fasterxml.jackson.databind.BaseMapTest;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class RecordIgnoreNonAccessorGetterTest extends BaseMapTest {
+
+    // [databind#3628]
+    interface InterfaceWithGetter {
+
+        String getId();
+
+        String getName();
+    }
+
+    @JsonPropertyOrder({"id", "name", "count"}) // easier to assert when JSON field ordering is always the same
+    record RecordWithInterfaceWithGetter(String name) implements InterfaceWithGetter {
+
+        @Override
+        public String getId() {
+            return "ID:" + name;
+        }
+
+        @Override
+        public String getName() {
+            return name;
+        }
+
+        // [databind#3895]
+        public int getCount() {
+            return 999;
+        }
+    }
+
+    private final ObjectMapper MAPPER = newJsonMapper();
+
+    public void testSerializeIgnoreInterfaceGetter_WithoutUsingVisibilityConfig() throws Exception {
+        String json = MAPPER.writeValueAsString(new RecordWithInterfaceWithGetter("Bob"));
+
+        assertEquals("{\"id\":\"ID:Bob\",\"name\":\"Bob\",\"count\":999}", json);
+    }
+
+    public void testSerializeIgnoreInterfaceGetter_UsingVisibilityConfig() throws Exception {
+        MAPPER.setVisibility(PropertyAccessor.GETTER, Visibility.NONE);
+        MAPPER.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
+
+        String json = MAPPER.writeValueAsString(new RecordWithInterfaceWithGetter("Bob"));
+
+        assertEquals("{\"name\":\"Bob\"}", json);
+    }
+}

src/test-jdk14/java/com/fasterxml/jackson/databind/records/RecordNullHandling3847Test.java

@@ -23,6 +23,7 @@ static class Pojo3847 {
     }
 
     public record PlainRecord(String fieldName) {}
+    public record IntRecord(String description, int value) {}
 
     public record FixedRecord(@JsonProperty("field_name") String fieldName) {}
 
@@ -101,4 +102,15 @@ public void testRecordFixerNullHandlingEmptyJson() throws Exception {
             verifyException(e, "Invalid `null` value encountered for property \"field_name\"");
         }
     }
+
+    public void testRecordDefaultNullDeserialization() throws Exception {
+        PlainRecord pr = new ObjectMapper().readValue("{}", PlainRecord.class);
+        assertNull(pr.fieldName);
+    }
+
+    public void testIntRecordDefaultNullDeserialization() throws Exception {
+        IntRecord ir = new ObjectMapper().readValue("{}", IntRecord.class);
+        assertNull(ir.description);
+        assertEquals(0, ir.value);
+    }
 }