Fixed #2709 (java.util.Record support!)

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -1183,6 +1183,10 @@ Yona Appletree (Yona-Appletree@github)
     property name is specified
   (2.12.0)
 
+Youri Bonnaffé (youribonnaffe@github)
+  * Contributed #2709: Support for JDK 14 record types
+  (2.12.0)
+
 David Bidorff (bidorffOL@github)
   * Reported, contributed fix for #2719: `FAIL_ON_IGNORED_PROPERTIES` does not throw
     on `READONLY` properties with an explicit name

release-notes/VERSION-2.x

@@ -38,6 +38,8 @@ Project: jackson-databind
 #2683: Explicitly fail (de)serialization of `java.time.*` types in absence of
   registered custom (de)serializers
 #2707: Improve description included in by `DeserializationContext.handleUnexpectedToken()`
+#2709: Support for JDK 14 record types
+ (contributed by Youri B)
 #2719: `FAIL_ON_IGNORED_PROPERTIES` does not throw on `READONLY` properties with
   an explicit name
  (reported, fix contributed by David B)

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

@@ -555,7 +555,7 @@ protected void _addDeserializerConstructors(DeserializationContext ctxt,
      */
     protected void _addRecordConstructor(DeserializationContext ctxt,
             BeanDescription beanDesc, CreatorCollector creators,
-            AnnotatedConstructor canonical, List<String> names)
+            AnnotatedConstructor canonical, List<String> implicitNames)
                     throws JsonMappingException
     {
         final int argCount = canonical.getParameterCount();
@@ -565,7 +565,10 @@ protected void _addRecordConstructor(DeserializationContext ctxt,
         for (int i = 0; i < argCount; ++i) {
             final AnnotatedParameter param = canonical.getParameter(i);
             JacksonInject.Value injectable = intr.findInjectableValue(param);
-            final PropertyName name = PropertyName.construct(names.get(i));
+            PropertyName name = intr.findNameForDeserialization(param);
+            if (name == null || name.isEmpty()) {
+                name = PropertyName.construct(implicitNames.get(i));
+            }
             properties[i] = constructCreatorProperty(ctxt, beanDesc, name, i, param, injectable);
         }
         creators.addPropertyCreator(canonical, false, properties);

src/main/java/com/fasterxml/jackson/databind/jdk14/JDK14Util.java

@@ -3,19 +3,14 @@
 import java.lang.reflect.Method;
 import java.util.Collections;
 import java.util.List;
-import java.util.Map;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonCreator.Mode;
 import com.fasterxml.jackson.databind.AnnotationIntrospector;
 import com.fasterxml.jackson.databind.BeanDescription;
 import com.fasterxml.jackson.databind.DeserializationConfig;
 import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.deser.impl.CreatorCollector;
 import com.fasterxml.jackson.databind.introspect.AnnotatedConstructor;
-import com.fasterxml.jackson.databind.introspect.AnnotatedWithParams;
-import com.fasterxml.jackson.databind.introspect.BeanPropertyDefinition;
-import com.fasterxml.jackson.databind.introspect.VisibilityChecker;
 import com.fasterxml.jackson.databind.util.ClassUtil;
 
 /**