/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jdbi.v3.core.enums.internal;
import java.util.Optional;
import org.jdbi.v3.core.config.ConfigRegistry;
import org.jdbi.v3.core.enums.EnumStrategy;
import org.jdbi.v3.core.generic.GenericTypes;
import org.jdbi.v3.core.internal.EnumStrategies;
import org.jdbi.v3.core.mapper.ColumnMapper;
import org.jdbi.v3.core.mapper.EnumMapper;
import org.jdbi.v3.core.mapper.QualifiedColumnMapperFactory;
import org.jdbi.v3.core.qualifier.QualifiedType;
public class EnumMapperFactory implements QualifiedColumnMapperFactory {
@Override
public Optional<ColumnMapper<?>> build(QualifiedType<?> givenType, ConfigRegistry config) {
return Optional.of(givenType.getType())
.map(GenericTypes::getErasedType)
.filter(Class::isEnum)
.map(clazz -> makeEnumArgument((QualifiedType<Enum>) givenType, (Class<Enum>) clazz, config));
}
private static <E extends Enum<E>> ColumnMapper<?> makeEnumArgument(QualifiedType<E> givenType, Class<E> enumClass, ConfigRegistry config) {
boolean byName = EnumStrategy.BY_NAME == config.get(EnumStrategies.class).findStrategy(givenType);
return byName
? EnumMapper.byName(enumClass)
: EnumMapper.byOrdinal(enumClass);
}
}