/*
* 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.collector;
import java.lang.reflect.Type;
import java.util.Optional;
import java.util.stream.Collector;
import static org.jdbi.v3.core.generic.GenericTypes.getErasedType;
class ArrayCollectorFactory implements CollectorFactory {
@Override
public boolean accepts(Type containerType) {
return getErasedType(containerType).isArray();
}
@Override
public Optional<Type> elementType(Type containerType) {
return Optional.ofNullable(getErasedType(containerType).getComponentType());
}
@Override
public Collector<?, ?, ?> build(Type containerType) {
Class<?> componentType = getErasedType(containerType).getComponentType();
return Collector.of(
() -> new ArrayBuilder(componentType),
ArrayBuilder::add,
(left, right) -> {
left.list.addAll(right.list);
return left;
},
ArrayBuilder::build);
}
}