| /** |
| * 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.service; |
| |
| import static org.apache.commons.collections4.CollectionUtils.isEmpty; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Optional; |
| import lombok.Data; |
| import org.springframework.data.domain.PageRequest; |
| import org.springframework.data.domain.Sort; |
| |
| @Data |
| public class PagedRequest<T> { |
| |
| public static final int DEFAULT_PAGE_SIZE = 50; |
| |
| private T request; |
| |
| private int page; |
| private int size = DEFAULT_PAGE_SIZE; |
| |
| private List<SortOrder> sorts = new ArrayList<>(); |
| |
| public Optional<T> getRequest() { |
| return Optional.ofNullable(request); |
| } |
| |
| public PageRequest toPageable() { |
| if (isEmpty(sorts)) { |
| return PageRequest.of(page, size); |
| } else { |
| List<Sort.Order> orders = sorts.stream().map(SortOrder::toOrder).toList(); |
| return PageRequest.of(page, size, Sort.by(orders)); |
| } |
| } |
| |
| @Data |
| @SuppressWarnings({ "unused" }) |
| private static final class SortOrder { |
| |
| private Sort.Direction direction; |
| private String property; |
| |
| private Sort.Order toOrder() { |
| return new Sort.Order(direction, property); |
| } |
| } |
| } |