/*
* ========================================================================
*
* Copyright 2005 Tim O'Brien.
*
* 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
*
* 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.
*
* ========================================================================
*/
import java.util.Calendar;
import java.util.Date;
import java.util.Iterator;
import org.apache.commons.lang.time.DateFormatUtils;
import org.apache.commons.lang.time.DateUtils;
import org.apache.commons.lang.time.FastDateFormat;
public class MainClass {
public static void main(String[] pArgs) throws Exception {
FastDateFormat sdf = DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT;
Date now = new Date();
Date nearestHour = DateUtils.round(now, Calendar.HOUR);
Date nearestMonth = DateUtils.round(now, Calendar.MONTH);
Date nearestYear = DateUtils.round(now, Calendar.YEAR);
System.out.println("now: " + sdf.format(now));
System.out.println("round hour: " + sdf.format(nearestHour));
System.out.println("round month: " + sdf.format(nearestMonth));
System.out.println("round year: " + sdf.format(nearestYear));
}
}
now: 2007-05-08T15:24:52-07:00
round hour: 2007-05-08T15:00:00-07:00
round month: 2007-05-01T00:00:00-07:00
round year: 2007-01-01T00:00:00-08:00