/**
* Copyright (c) 2009 Juwi MacMillan Group GmbH
*
* 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.
*/
package org.tizzit.util;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
public class DateHelper {
/**
* set 00:00 for a date
*
* @param date
* @return
*/
public static Date resetTime(Date date) {
Calendar cal = Calendar.getInstance();
return resetTime(date, cal);
}
public static Date resetTime(Date date, Calendar cal) {
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTime();
}
/**
* get actual date 00:00 plus dayOffset days
*
* @param dayOffset
* @return
*/
public static Date getActDate(int dayOffset) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(System.currentTimeMillis());
cal.add(Calendar.DAY_OF_YEAR, dayOffset);
return DateHelper.resetTime(cal.getTime());
}
public static Date getEndOfDay(Date date, TimeZone tz) {
Calendar cal = Calendar.getInstance(tz);
return getEndOfDay(date, cal);
}
public static Date getEndOfDay(Date date, Calendar cal) {
cal.setTime(resetTime(date, cal));
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
cal.set(Calendar.MILLISECOND, 999);
return cal.getTime();
}
public static int getDay(Date date, Calendar cal) {
cal.setTime(date);
return cal.get(Calendar.DAY_OF_MONTH);
}
public static int getMonth(Date date, Calendar cal) {
cal.setTime(date);
return cal.get(Calendar.MONTH)+1;
}
public static int getYear(Date date, Calendar cal) {
cal.setTime(date);
return cal.get(Calendar.YEAR);
}
}