/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.nutsnbolts.mysql;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Date;
public class UTC {
private static final DateTimeFormatter ISO_DATE_TIME_FORMATTER = DateTimeFormatter.ISO_ZONED_DATE_TIME;
public static ZonedDateTime isoParse (String date) {
return ZonedDateTime.from(ISO_DATE_TIME_FORMATTER.parse(date));
}
public static String isoFormat (Date date) {
return ISO_DATE_TIME_FORMATTER.format(date.toInstant());
}
public static Date now () {
Instant instant;
return Date.from((instant = Instant.now()).minusSeconds(ZoneId.systemDefault().getRules().getOffset(instant).getTotalSeconds()));
}
public static Date then (Date date) {
Instant instant;
return Date.from((instant = date.toInstant()).minusSeconds(ZoneId.systemDefault().getRules().getOffset(instant).getTotalSeconds()));
}
public static Date local (Date date) {
Instant instant;
return Date.from((instant = date.toInstant()).plusSeconds(ZoneId.systemDefault().getRules().getOffset(instant).getTotalSeconds()));
}
public static Date local (Date date, int offsetSeconds) {
return Date.from(date.toInstant().plusSeconds(offsetSeconds));
}
}