io.spring.releasetrain.ReleaseTrainMilestoneDueOn Maven / Gradle / Ivy
/*
* Copyright 2019-2020 the original author or authors.
*
* 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
*
* https://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 io.spring.releasetrain;
import java.time.*;
import java.time.temporal.TemporalAdjusters;
class ReleaseTrainMilestoneDueOn {
private final DayOfWeek expectedDayOfWeek;
private final int expectedMondayCount;
/**
* Creates a new instance
* @param expectedDayOfWeek the day of the week that this project releases on
* @param expectedMondayCount the number of Mondays (inclusive) that must occur before the release.
*/
public ReleaseTrainMilestoneDueOn(DayOfWeek expectedDayOfWeek, int expectedMondayCount) {
this.expectedDayOfWeek = expectedDayOfWeek;
this.expectedMondayCount = expectedMondayCount;
}
public void checkValidDueOn(Instant dueOn) {
LocalDate dueOnDate = dueOn.atZone(ZoneId.systemDefault()).toLocalDate();
YearMonth actualYearMonth = YearMonth.from(dueOnDate);
LocalDate expectedDate = getExpectedDayTimeFor(actualYearMonth);
if (!expectedDate.equals(dueOnDate)) {
throw new DueOnException("Expecting " + dueOn + " to be on " + expectedDate + " for expectedDayOfWeek " + this.expectedDayOfWeek + " and expectedDayOfWeek " + this.expectedMondayCount);
}
}
private LocalDate getExpectedDayTimeFor(YearMonth yearMonth) {
LocalDate firstDayOfMonth = yearMonth.atDay(1);
LocalDate firstMonday = firstDayOfMonth.with(TemporalAdjusters.firstDayOfMonth())
.with(TemporalAdjusters.nextOrSame(DayOfWeek.MONDAY));
LocalDate expectedDate = firstMonday;
int startCount = (this.expectedDayOfWeek == DayOfWeek.MONDAY) ? 1 : 0;
for (int i = startCount; i < this.expectedMondayCount; i++) {
expectedDate = expectedDate.with(TemporalAdjusters.next(this.expectedDayOfWeek));
}
return expectedDate;
}
}