Java ZonedDateTime Calculate holidaysInRange(ZonedDateTime startDate, ZonedDateTime endDate, List holidays)

Description

holidays In Range

License

Apache License

Declaration

private static List<ZonedDateTime> holidaysInRange(ZonedDateTime startDate, ZonedDateTime endDate,
            List<ZonedDateTime> holidays) 

Method Source Code

//package com.java2s;
/*/*from w  w  w.jav  a 2  s. com*/
 * Copyright 2014 jmrozanec
 * 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.
 */

import java.time.ZonedDateTime;

import java.util.List;

public class Main {
    private static List<ZonedDateTime> holidaysInRange(ZonedDateTime startDate, ZonedDateTime endDate,
            List<ZonedDateTime> holidays) {
        if (holidays.isEmpty()) {
            return holidays;
        }
        int idxstart = findIdx(0, holidays.size() - 1, startDate, holidays);
        int idxend = findIdx(0, holidays.size() - 1, endDate, holidays);
        return holidays.subList(idxstart, idxend + 1);
    }

    private static int findIdx(int startidx, int endidx, ZonedDateTime endDate, List<ZonedDateTime> holidays) {
        if (startidx == endidx) {
            return startidx;
        }
        int pivot = (endidx - startidx) / 2;

        if (holidays.get(pivot).equals(endDate)) {
            return pivot;
        }
        if (holidays.get(pivot).isBefore(endDate)) {
            return findIdx(++pivot, endidx, endDate, holidays);
        } else {
            return findIdx(startidx, pivot, endDate, holidays);
        }
    }
}

Related

1. getStartOfDay(ZoneId zoneId, ZonedDateTime time)
2. getStartOfWeek(ZoneId zoneId, ZonedDateTime time)
3. getTime(ZonedDateTime zonedTime)
4. getTimePath(Path dir, String ext, ZonedDateTime dateTime)
5. getZonedDateTimeForComparison(TimeZone zone)
6. isBetweenTimesInclusive(ZonedDateTime dateTime, ZonedDateTime startDateTime, ZonedDateTime endDateTime)
7. isoDateTime(ZonedDateTime zonedDateTime)
8. mapToZonedDateTime(final Date date)
9. max(ZonedDateTime a, ZonedDateTime b)