refactor extendsScalaClass

Author: pjfanning

src/main/scala/com/fasterxml/jackson/module/scala/introspect/ScalaAnnotationIntrospectorModule.scala

@@ -168,7 +168,7 @@ object ScalaAnnotationIntrospector extends NopAnnotationIntrospector with ValueI
   }
 
   private def _descriptorFor(clz: Class[_]): Option[BeanDescriptor] = {
-    if (clz.extendsScalaClass || clz.hasSignature) {
+    if (clz.extendsScalaClass(true) || clz.hasSignature) {
       val key = new ClassKey(clz)
       Option(ScalaAnnotationIntrospectorModule._descriptorCache.get(key)) match {
         case Some(result) => Some(result)
@@ -211,7 +211,7 @@ object ScalaAnnotationIntrospector extends NopAnnotationIntrospector with ValueI
     pkg.exists(_.getName.startsWith("scala."))
 
   private def isMaybeScalaBeanType(cls: Class[_]): Boolean =
-    (cls.extendsScalaClass || cls.hasSignature) &&
+    (cls.extendsScalaClass(true) || cls.hasSignature) &&
       !isScalaPackage(Option(cls.getPackage))
 
   private def isScala(a: Annotated): Boolean = {

src/main/scala/com/fasterxml/jackson/module/scala/util/Classes.scala

@@ -7,10 +7,13 @@ import scala.util.Try
 
 trait ClassW extends PimpedType[Class[_]] {
 
-  def extendsScalaClass: Boolean = {
+  @deprecated("use extendsScalaClass(Boolean) instead", "2.14.0")
+  def extendsScalaClass: Boolean = extendsScalaClass(true)
+
+  def extendsScalaClass(supportScala3Classes: Boolean): Boolean = {
     ClassW.productClass.isAssignableFrom(value) ||
       isScalaObject ||
-      TastyUtil.hasTastyFile(value)
+      (supportScala3Classes && TastyUtil.hasTastyFile(value))
   }
 
   def hasSignature: Boolean = {