Java LocalDate to toBadDate(LocalDate localDate, ZoneId timezone)

Description

Switches from a representation of date without time or a time zone to one that contains milliseconds from epoch as interpreted from some place with a time zone.

License

Open Source License

Parameter

Parameter	Description
localDate	A date without time.
timezone	A time zone. We'll calculate milliseconds from the epoch from this particular time zone.

Return

Milliseconds from the epoch.

Declaration

public static Date toBadDate(LocalDate localDate, ZoneId timezone)

Method Source Code

//package com.java2s;
/*//www  .j a  va 2 s.c om
 * Copyright (c) 2012. The Genome Analysis Centre, Norwich, UK
 * MISO project contacts: Robert Davey @ TGAC
 * *********************************************************************
 *
 * This file is part of MISO.
 *
 * MISO is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MISO is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MISO. If not, see <http://www.gnu.org/licenses/>.
 *
 * *********************************************************************
 */

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;

import java.util.Date;

public class Main {
    /**
     * Switches from a representation of date without time or a time zone to one that contains milliseconds from epoch as interpreted from
     * some place with a time zone. No good will come of this. Turn back now.
     * 
     * @param localDate A date without time.
     * @param timezone A time zone. We'll calculate milliseconds from the epoch from this particular time zone.
     * @return Milliseconds from the epoch.
     */
    public static Date toBadDate(LocalDate localDate, ZoneId timezone) {
        return localDate == null ? null : Date.from(localDate.atStartOfDay(
                timezone).toInstant());
    }

    public static Date toBadDate(LocalDate localDate) {
        return toBadDate(localDate, ZoneId.systemDefault());
    }

    public static Date toBadDate(LocalDateTime localDate) {
        return localDate == null ? null
                : toBadDate(localDate.toLocalDate());
    }
}