Support anonymous enum object that implement method

Fixes gh-1489

Author: kazuki43zoo

src/main/java/org/apache/ibatis/type/TypeHandlerRegistry.java

@@ -241,7 +241,7 @@ private Map<JdbcType, TypeHandler<?>> getJdbcHandlerMap(Type type) {
     }
     if (jdbcHandlerMap == null && type instanceof Class) {
       Class<?> clazz = (Class<?>) type;
-      if (clazz.isEnum()) {
+      if (clazz.isEnum() || (clazz.isAnonymousClass() && clazz.getEnclosingClass().isEnum())) {
         jdbcHandlerMap = getJdbcHandlerMapForEnumInterfaces(clazz, clazz);
         if (jdbcHandlerMap == null) {
           register(clazz, getInstance(clazz, defaultEnumTypeHandler));

src/test/java/org/apache/ibatis/submitted/enum_with_method/Currency.java

@@ -1,4 +1,4 @@
-/*
+/**
  *    Copyright 2009-2019 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,7 +13,6 @@
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */
-
 package org.apache.ibatis.submitted.enum_with_method;
 
 import java.math.BigDecimal;

src/test/java/org/apache/ibatis/submitted/enum_with_method/EnumWithMethodTest.java

@@ -1,4 +1,4 @@
-/*
+/**
  *    Copyright 2009-2019 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");

src/test/java/org/apache/ibatis/submitted/enum_with_method/Mapper.java

@@ -1,4 +1,4 @@
-/*
+/**
  *    Copyright 2009-2019 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");

src/test/java/org/apache/ibatis/submitted/enum_with_method/User.java

@@ -1,4 +1,4 @@
-/*
+/**
  *    Copyright 2009-2019 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");