/*
* Copyright 2016-2017 Groupon, Inc
* Copyright 2016-2017 The Billing Project, LLC
*
* The Billing Project licenses this file to you 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 org.killbill.billing.util.account;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.killbill.billing.account.api.Account;
import org.killbill.billing.util.entity.Entity;
import org.killbill.billing.util.entity.dao.TimeZoneAwareEntity;
public abstract class AccountDateTimeUtils {
public static DateTimeZone getFixedOffsetTimeZone(final TimeZoneAwareEntity account) {
return getFixedOffsetTimeZone(account.getTimeZone(), account);
}
public static DateTimeZone getFixedOffsetTimeZone(final Account account) {
return getFixedOffsetTimeZone(account.getTimeZone(), account);
}
public static DateTimeZone getFixedOffsetTimeZone(final DateTimeZone referenceDateTimeZone, final Entity account) {
final DateTime referenceDateTime = getReferenceDateTime(account);
// Check if DST was in effect at the reference date time
final boolean shouldUseDST = !referenceDateTimeZone.isStandardOffset(referenceDateTime.getMillis());
if (shouldUseDST) {
return DateTimeZone.forOffsetMillis(referenceDateTimeZone.getOffset(referenceDateTime.getMillis()));
} else {
return DateTimeZone.forOffsetMillis(referenceDateTimeZone.getStandardOffset(referenceDateTime.getMillis()));
}
}
public static DateTime getReferenceDateTime(final Entity account) {
return account.getCreatedDate();
}
}