// Copyright 2019 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.persistence.converter;

import javax.annotation.Nullable;
import javax.persistence.AttributeConverter;

/** Abstract JPA converter for objects that are stored by their toString() value. */
abstract class ToStringConverterBase<T> implements AttributeConverter<T, String> {

  @Override
  @Nullable
  public String convertToDatabaseColumn(@Nullable T entity) {
    return (entity == null) ? null : entity.toString();
  }
}
