/*
The contents of this file are subject to the Common Public Attribution License
Version 1.0 (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.projity.com/license . The License is based on the Mozilla Public
License Version 1.1 but Sections 14 and 15 have been added to cover use of
software over a computer network and provide for limited attribution for the
Original Developer. In addition, Exhibit A has been modified to be consistent
with Exhibit B.
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
specific language governing rights and limitations under the License. The
Original Code is OpenProj. The Original Developer is the Initial Developer and
is Projity, Inc. All portions of the code written by Projity are Copyright (c)
2006, 2007. All Rights Reserved. Contributors Projity, Inc.
Alternatively, the contents of this file may be used under the terms of the
Projity End-User License Agreeement (the Projity License), in which case the
provisions of the Projity License are applicable instead of those above. If you
wish to allow use of your version of this file only under the terms of the
Projity License and not to allow others to use your version of this file under
the CPAL, indicate your decision by deleting the provisions above and replace
them with the notice and other provisions required by the Projity License. If
you do not delete the provisions above, a recipient may use your version of this
file under either the CPAL or the Projity License.
[NOTE: The text of this license may differ slightly from the text of the notices
in Exhibits A and B of the license at http://www.projity.com/license. You should
use the latest text at http://www.projity.com/license for your modifications.
You may not remove this license text from the source files.]
Attribution Information: Attribution Copyright Notice: Copyright � 2006, 2007
Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
an open source solution from Projity. Attribution URL: http://www.projity.com
Graphic Image as provided in the Covered Code as file: openproj_logo.png with
alternatives listed on http://www.projity.com/logo
Display of Attribution Information is required in Larger Works which are defined
in the CPAL as a work which combines Covered Code or portions thereof with code
not governed by the terms of the CPAL. However, in addition to the other notice
obligations, all copies of the Covered Code in Executable and Source Code form
distributed must, as a form of attribution of the original author, include on
each user interface screen the "OpenProj" logo visible to all users. The
OpenProj logo should be located horizontally aligned with the menu bar and left
justified on the top left of the screen adjacent to the File menu. The logo
must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
must direct them back to http://www.projity.com.
*/
package com.projity.util;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.apache.commons.lang.time.DateUtils;
import com.projity.timescale.ExtendedDateFormat;
/**
* Utility methods on Date
*/
public class DateTime {
public static GregorianCalendar calendarInstance() {
GregorianCalendar cal = new GregorianCalendar();
cal.setTimeZone(DateUtils.UTC_TIME_ZONE);
return cal;
}
public static GregorianCalendar calendarInstance(int year, int month, int day) {
GregorianCalendar cal = calendarInstance();
setCalendar(year, month, day, cal);
return cal;
}
public static void setCalendar(int year, int month, int day,Calendar cal) {
cal.set(Calendar.YEAR,year);
cal.set(Calendar.MONTH,month);
cal.set(Calendar.DAY_OF_MONTH,day);
cal.set(Calendar.HOUR_OF_DAY,0);
cal.set(Calendar.MINUTE,0);
cal.set(Calendar.SECOND,0);
cal.set(Calendar.MILLISECOND,0);
}
public static SimpleDateFormat dateFormatInstance() {
return (SimpleDateFormat) SimpleDateFormat.getInstance();
// SimpleDateFormat f = new SimpleDateFormat();
// f.setTimeZone(DateUtils.UTC_TIME_ZONE);
// return f;
}
public static SimpleDateFormat utcDateFormatInstance() {
SimpleDateFormat f = new SimpleDateFormat();
f.setTimeZone(DateUtils.UTC_TIME_ZONE);
return f;
}
public static ExtendedDateFormat extendedUtcDateFormatInstance() {
ExtendedDateFormat f = new ExtendedDateFormat();
f.setTimeZone(DateUtils.UTC_TIME_ZONE);
return f;
}
public static DateFormat utcShortDateFormatInstance() {
DateFormat f = DateFormat.getDateInstance(DateFormat.SHORT);
f.setTimeZone(DateUtils.UTC_TIME_ZONE);
return f;
}
public static SimpleDateFormat dateFormatInstance(String pattern) {
SimpleDateFormat f = new SimpleDateFormat(pattern);
// SimpleDateFormat f = new SimpleDateFormat();
f.setTimeZone(DateUtils.UTC_TIME_ZONE);
return f;
}
public static long midnightToday() {
GregorianCalendar cal = calendarInstance();
return dayFloor(cal.getTimeInMillis());
}
public static long midnightTomorrow() {
GregorianCalendar cal = calendarInstance();
cal.add(Calendar.DATE,1);
return dayFloor(cal.getTimeInMillis());
}
public static long midnightNextDay(long d) {
d = dayFloor(d);
GregorianCalendar cal = calendarInstance();
cal.setTimeInMillis(d);
cal.add(Calendar.DATE,1);
return cal.getTimeInMillis();
}
private static Date zeroDateInstance = null; // flyweight for 0 date
public static Date getZeroDate() {
if (zeroDateInstance == null)
zeroDateInstance = new Date(0);
return zeroDateInstance;
}
public static Date NA_TIME= new Date(1); // 1 ms after time 0
private static Calendar maxCalendarInstance = null; // flyweight for maximum allowed date
public static Calendar getMaxCalendar() {
if (maxCalendarInstance == null)
maxCalendarInstance = calendarInstance(2050,Calendar.JANUARY,0);
return maxCalendarInstance;
}
private static Calendar zeroCalendarInstance = null; // flyweight for zeroimum allowed date
public static Calendar getZeroCalendar() {
if (zeroCalendarInstance == null) {
zeroCalendarInstance = DateTime.calendarInstance();
zeroCalendarInstance.setTimeInMillis(0);
}
return zeroCalendarInstance;
}
private static Date maxDateInstance = null; // flyweight for maximum allowed date
public static Date getMaxDate() {
if (maxDateInstance == null)
maxDateInstance = getMaxCalendar().getTime();
return maxDateInstance;
}
public static Date max(Date date1, Date date2) {
return date1.after(date2) ? date1 : date2;
}
public static Date min(Date date1, Date date2) {
return date1.before(date2) ? date1 : date2;
}
public static long closestDate(double value) {
return closestDate(Math.round(value));
}
public static long closestDate(long date) {
Calendar cal = DateTime.calendarInstance();
cal.setTimeInMillis(date);
// cal.set(Calendar.SECOND,0); // now going to seconds
cal.set(Calendar.MILLISECOND,0);
return cal.getTimeInMillis();
}
public static long hourFloor(long date) {
Calendar cal = DateTime.calendarInstance();
cal.setTimeInMillis(date);
cal.set(Calendar.MINUTE,0);
cal.set(Calendar.SECOND,0);
cal.set(Calendar.MILLISECOND,0);
return cal.getTimeInMillis();
}
public static long dayFloor(long date) {
Calendar cal = DateTime.calendarInstance();
cal.setTimeInMillis(date);
cal.set(Calendar.MINUTE,0);
cal.set(Calendar.SECOND,0);
cal.set(Calendar.MILLISECOND,0);
cal.set(Calendar.HOUR_OF_DAY,0);
return cal.getTimeInMillis();
}
public static Date dayFloor(Date date) {
return new Date(dayFloor(date.getTime()));
}
public static long minuteFloor(long date) {
Calendar cal = DateTime.calendarInstance();
cal.setTimeInMillis(date);
cal.set(Calendar.MILLISECOND,0);
cal.set(Calendar.SECOND,0);
return cal.getTimeInMillis();
}
public static long nextDay(long day) {
GregorianCalendar d = DateTime.calendarInstance();
d.setTimeInMillis(day);
d.add(GregorianCalendar.DAY_OF_MONTH,1);
return d.getTimeInMillis();
}
public static long hour24() {
GregorianCalendar cal = DateTime.calendarInstance();
cal.setTimeInMillis(0);
cal.set(GregorianCalendar.HOUR_OF_DAY,24);
return cal.getTimeInMillis();
}
public static long gmt(Date date) {
if (date==null)
return 0;
return date.getTime() - (isGmtConvertion()? 60000L * date.getTimezoneOffset() : 0);
}
public static Date fromGmt(Date date) {
if (date==null)
return null;
return new Date(date.getTime() + (isGmtConvertion()? 60000L * date.getTimezoneOffset() : 0));
}
public static long fromGmt(long d) {
if (d==0)
return 0;
Date date = new Date(d);
return new Date(date.getTime() + (isGmtConvertion()? 60000L * date.getTimezoneOffset(): 0)).getTime();
}
public static Date gmtDate(Date date) {
return new Date(gmt(date));
}
/**
* Get an integer for the date in form YYYYMMDD where the months go from 1 to 12 (unlike calendar where they go from 0 to 11)
* @param date
* @return
*/
public static int toId(long date) {
GregorianCalendar cal = DateTime.calendarInstance();
cal.setTimeInMillis(date);
return cal.get(Calendar.YEAR) * 10000 + (1+cal.get(Calendar.MONTH)) * 100 + cal.get(Calendar.DAY_OF_MONTH);
}
/**
* Get an integer for the date in form YYYYMMDD where the months go from 1 to 12 (unlike calendar where they go from 0 to 11)
* @param date
* @return
*/
public static long fromId(int id) {
GregorianCalendar cal = DateTime.calendarInstance(id/10000,(id/100)%100-1,id%100);
return cal.getTimeInMillis();
}
/**
* Get an integer for the date in form YYYYMMDD where the months go from 1 to 12 (unlike calendar where they go from 0 to 11)
* @param date
* @return
*/
public static int currentToYYMM() {
GregorianCalendar cal = DateTime.calendarInstance();
return (cal.get(Calendar.YEAR) % 100) * 100 + (1+cal.get(Calendar.MONTH));
}
private static final long ONE_HOUR = 60 * 60 * 1000L;
public static long daysBetween(Date d1, Date d2){
return ( (d2.getTime() - d1.getTime() + ONE_HOUR) /
(ONE_HOUR * 24));
}
private static boolean gmtConvertion=true; //claur added
public static boolean isGmtConvertion() {
return gmtConvertion;
}
public static void setGmtConvertion(boolean gmt) {
gmtConvertion = gmt;
}
}