com.cadenzauk.core.persistence.converter.ZonedDateTimeConverter Maven / Gradle / Ivy
/*
* Copyright (c) 2017 Cadenza United Kingdom Limited
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.cadenzauk.core.persistence.converter;
import com.cadenzauk.core.sql.TimestampUtil;
import javax.persistence.AttributeConverter;
import java.sql.Timestamp;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.Optional;
public class ZonedDateTimeConverter implements AttributeConverter{
private final ZoneId dbZoneId;
private final ZoneId zoneId;
public ZonedDateTimeConverter() {
dbZoneId = ZoneId.systemDefault();
zoneId = ZoneId.of("UTC");
}
public ZonedDateTimeConverter(ZoneId zoneId) {
dbZoneId = ZoneId.systemDefault();
this.zoneId = zoneId;
}
public ZonedDateTimeConverter(ZoneId dbZoneId, ZoneId zoneId) {
this.dbZoneId = dbZoneId;
this.zoneId = zoneId;
}
@Override
public Timestamp convertToDatabaseColumn(ZonedDateTime attribute) {
return Optional.ofNullable(attribute)
.map(zonedDateTime -> TimestampUtil.valueOf(dbZoneId, zonedDateTime))
.orElse(null);
}
@SuppressWarnings("ConstantConditions")
@Override
public ZonedDateTime convertToEntityAttribute(Timestamp dbData) {
return Optional.ofNullable(dbData)
.map(ts -> TimestampUtil.toZonedDateTime(ts, dbZoneId, zoneId))
.orElse(null);
}
}