| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.fineract.infrastructure.core.data; |
| |
| import jakarta.persistence.AttributeConverter; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| import org.apache.commons.lang3.StringUtils; |
| |
| public abstract class GenericEnumListConverter<E extends Enum<E>> implements AttributeConverter<List<E>, String> { |
| |
| private static final String SPLIT_CHAR = ","; |
| |
| private final Class<E> clazz; |
| |
| public boolean isUnique() { |
| return false; |
| } |
| |
| protected GenericEnumListConverter(Class<E> clazz) { |
| this.clazz = clazz; |
| } |
| |
| @Override |
| public String convertToDatabaseColumn(List<E> values) { |
| if (values.isEmpty()) { |
| return null; |
| } |
| Stream<E> valueStream; |
| if (isUnique()) { |
| valueStream = values.stream().distinct(); |
| } else { |
| valueStream = values.stream(); |
| } |
| return valueStream.map(Enum::name).collect(Collectors.joining(SPLIT_CHAR)); |
| } |
| |
| @Override |
| public List<E> convertToEntityAttribute(String string) { |
| if (StringUtils.isBlank(string)) { |
| return List.of(); |
| } |
| Stream<E> stream = Stream.of(string.split(SPLIT_CHAR)).map(e -> Enum.valueOf(clazz, e)); |
| if (isUnique()) { |
| return stream.distinct().toList(); |
| } |
| return stream.toList(); |
| } |
| } |