Small (but measurable) improvement to class introspection handling for "untyped" (Object) case, one-off mappers
diff --git a/src/main/java/com/fasterxml/jackson/databind/introspect/BasicClassIntrospector.java b/src/main/java/com/fasterxml/jackson/databind/introspect/BasicClassIntrospector.java
index f9d7f7f..0a48095 100644
--- a/src/main/java/com/fasterxml/jackson/databind/introspect/BasicClassIntrospector.java
+++ b/src/main/java/com/fasterxml/jackson/databind/introspect/BasicClassIntrospector.java
@@ -46,6 +46,11 @@
LONG_DESC = BasicBeanDescription.forOtherUse(null, SimpleType.constructUnsafe(Long.TYPE),
AnnotatedClassResolver.createPrimordial(Long.TYPE));
}
+ protected final static BasicBeanDescription OBJECT_DESC;
+ static {
+ OBJECT_DESC = BasicBeanDescription.forOtherUse(null, SimpleType.constructUnsafe(Object.class),
+ AnnotatedClassResolver.createPrimordial(Object.class));
+ }
/*
/**********************************************************
@@ -196,19 +201,31 @@
{
Class<?> cls = type.getRawClass();
if (cls.isPrimitive()) {
- if (cls == Boolean.TYPE) {
- return BOOLEAN_DESC;
- }
if (cls == Integer.TYPE) {
return INT_DESC;
}
if (cls == Long.TYPE) {
return LONG_DESC;
}
- } else {
+ if (cls == Boolean.TYPE) {
+ return BOOLEAN_DESC;
+ }
+ } else if (ClassUtil.isJDKClass(cls)) {
+ if (cls == Object.class) {
+ return OBJECT_DESC;
+ }
if (cls == String.class) {
return STRING_DESC;
}
+ if (cls == Integer.class) {
+ return INT_DESC;
+ }
+ if (cls == Long.class) {
+ return LONG_DESC;
+ }
+ if (cls == Boolean.class) {
+ return BOOLEAN_DESC;
+ }
}
return null;
}
