| /* |
| * 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.cn.lang; |
| |
| import org.springframework.util.Assert; |
| |
| import javax.annotation.Nonnull; |
| import javax.annotation.Nullable; |
| import java.time.Clock; |
| import java.time.LocalDate; |
| import java.time.LocalDateTime; |
| import java.time.format.DateTimeParseException; |
| import java.time.temporal.ChronoUnit; |
| import java.util.stream.Stream; |
| |
| /** |
| * A range of dates specified by a start and an end. Inclusive of both. |
| * |
| * @author Myrle Krantz |
| */ |
| @SuppressWarnings("WeakerAccess") |
| public class DateRange { |
| private final @Nonnull LocalDate start; |
| private final @Nonnull LocalDate end; |
| |
| public DateRange(final @Nonnull LocalDate start, final @Nonnull LocalDate end) { |
| Assert.notNull(start, "Range start must be given."); |
| Assert.notNull(start, "Range end must be given."); |
| this.start = start; |
| this.end = end; |
| } |
| |
| public Stream<LocalDate> stream() { |
| return Stream.iterate(start, (current) -> current.plusDays(1)) |
| .limit(ChronoUnit.DAYS.between(start, end) + 1); |
| } |
| |
| public LocalDateTime getStartDateTime() { |
| return start.atStartOfDay(); |
| } |
| |
| public LocalDateTime getEndDateTime() { |
| return end.plusDays(1).atStartOfDay(); |
| } |
| |
| @Override |
| public String toString() { |
| return DateConverter.toIsoString(start) + ".." + DateConverter.toIsoString(end); |
| } |
| |
| @Nonnull |
| public static DateRange fromIsoString(@Nullable final String isoDateRangeString) { |
| if (isoDateRangeString == null) { |
| final LocalDate today = LocalDate.now(Clock.systemUTC()); |
| return new DateRange(today, today); |
| } else { |
| final String[] dates = isoDateRangeString.split("\\.\\."); |
| if (dates.length != 2) |
| throw ServiceException.badRequest("Date range should consist of exactly two dates.", |
| isoDateRangeString); |
| |
| try { |
| return new DateRange(DateConverter.dateFromIsoString(dates[0]), DateConverter.dateFromIsoString(dates[1])); |
| } |
| catch(final DateTimeParseException e){ |
| throw ServiceException.badRequest("Date {0} must use ISO format", |
| isoDateRangeString); |
| } |
| } |
| } |
| } |