cherry.goods.util.LocalDateTimeUtil.java Source code

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Here is the source code for cherry.goods.util.LocalDateTimeUtil.java

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/*
 * Copyright 2014,2015 agwlvssainokuni
 *
 * 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 cherry.goods.util;

import org.joda.time.LocalDate;
import org.joda.time.LocalDateTime;
import org.joda.time.LocalTime;
import org.joda.time.Period;

/**
 * ?<br />
 * ????
 * <ul>
 * <li>(FROM)?? ({@link #rangeFrom(LocalDate)}, {@link #rangeFrom(LocalDate, LocalTime)},
 * {@link #rangeFrom(LocalDateTime)}</li>
 * <li>(TO)?? ({@link #rangeTo(LocalDate)}, {@link #rangeTo(LocalDate, LocalTime)},
 * {@link #rangeTo(LocalDateTime)}</li>
 * </ul>
 */
public class LocalDateTimeUtil {

    private static Period unitOfTime = Period.seconds(1);

    public static Period setUnitOfTime(Period period) {
        unitOfTime = period;
        return unitOfTime;
    }

    /**
     * (FROM)???
     * 
     * @param from ??
     * @return ????(FROM)??
     */
    public static LocalDateTime rangeFrom(LocalDate from) {
        if (from == null) {
            return null;
        }
        return from.toLocalDateTime(LocalTime.MIDNIGHT);
    }

    /**
     * (FROM)???
     * 
     * @param fromD ??
     * @param fromT ??
     * @return ?????(FROM)??
     */
    public static LocalDateTime rangeFrom(LocalDate fromD, LocalTime fromT) {
        if (fromD == null) {
            return null;
        }
        if (fromT == null) {
            return fromD.toLocalDateTime(LocalTime.MIDNIGHT);
        }
        return fromD.toLocalDateTime(fromT);
    }

    /**
     * (FROM)???
     * 
     * @param from ??
     * @return ????(FROM)??
     */
    public static LocalDateTime rangeFrom(LocalDateTime from) {
        return from;
    }

    /**
     * (TO)???
     * 
     * @param to ??
     * @return ????(TO)??
     */
    public static LocalDateTime rangeTo(LocalDate to) {
        if (to == null) {
            return null;
        }
        return to.toLocalDateTime(LocalTime.MIDNIGHT).plusDays(1);
    }

    /**
     * (TO)???
     * 
     * @param toD ??
     * @param toT ??
     * @return ?????(TO)??
     */
    public static LocalDateTime rangeTo(LocalDate toD, LocalTime toT) {
        if (toD == null) {
            return null;
        }
        if (toT == null) {
            return toD.toLocalDateTime(LocalTime.MIDNIGHT).plusDays(1);
        }
        return toD.toLocalDateTime(toT).plus(unitOfTime);
    }

    /**
     * (TO)???
     * 
     * @param to ??
     * @return ????(TO)??
     */
    public static LocalDateTime rangeTo(LocalDateTime to) {
        if (to == null) {
            return null;
        }
        return to.plus(unitOfTime);
    }

}