/*
* 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.lang.reflect.Type;
import java.util.Optional;
import org.jdbi.v3.core.array.SqlArrayType;
import org.jdbi.v3.core.array.SqlArrayTypeFactory;
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.qualifier.QualifiedType;
// TODO Make this a QualifiedSqlArrayTypeFactory after we add qualified SQL array support
public class EnumSqlArrayTypeFactory implements SqlArrayTypeFactory {
@Override
@SuppressWarnings("unchecked")
public Optional<SqlArrayType<?>> build(Type elementType, ConfigRegistry config) {
return Optional.of(elementType)
.map(GenericTypes::getErasedType)
.filter(c -> Enum.class.isAssignableFrom(c))
.map(clazz -> makeSqlArrayType((Class<Enum>) clazz, config));
}
private <E extends Enum<E>> SqlArrayType<E> makeSqlArrayType(Class<E> enumClass, ConfigRegistry config) {
boolean byName = EnumStrategy.BY_NAME == config.get(EnumStrategies.class).findStrategy(QualifiedType.of(enumClass));
return byName
? SqlArrayType.of("varchar", Enum::name)
: SqlArrayType.of("integer", Enum::ordinal);
}
}