/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.date;
import com.caucho.quercus.UnimplementedException;
import com.caucho.quercus.annotation.Optional;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.lib.date.DateModule.DateParser;
import com.caucho.util.QDate;
/**
* Date functions.
*/
public class DateTime
{
public static final String ATOM = "Y-m-d\\TH:i:sP";
public static final String COOKIE = "l, d-M-y H:i:s T";
public static final String ISO8601 = "Y-m-d\\TH:i:sO";
public static final String RFC822 = "D, d M y H:i:s O";
public static final String RFC850 = "l, d-M-y H:i:s T";
public static final String RFC1036 = "D, d M y H:i:s O";
public static final String RFC1123 = "D, d M Y H:i:s O";
public static final String RFC2822 = "D, d M Y H:i:s O";
public static final String RFC3339 = "Y-m-d\\TH:i:sP";
public static final String RSS = "D, d M Y H:i:s O";
public static final String W3C = "Y-m-d\\TH:i:sP";
private QDate _qDate;
private DateTimeZone _dateTimeZone;
protected DateTime(Env env, String timeString)
{
this(env, timeString, null);
}
protected DateTime(Env env, String timeString, DateTimeZone dateTimeZone)
{
if (dateTimeZone == null)
dateTimeZone = new DateTimeZone(env);
_qDate = new QDate(dateTimeZone.getTimeZone(), env.getCurrentTime());
_dateTimeZone = dateTimeZone;
init(env, timeString);
}
private void init(Env env, String timeString)
{
long now = env.getCurrentTime();
_qDate.setGMTTime(now);
if (timeString.equals("")) {
_qDate.setHour(0);
_qDate.setMinute(0);
_qDate.setSecond(0);
}
DateParser parser = new DateParser(timeString, _qDate);
long time = parser.parse();
_qDate.setGMTTime(time);
}
public static DateTime __construct(Env env,
@Optional("now") String time,
@Optional DateTimeZone timeZone)
{
if (time == null)
time = "now";
if (timeZone == null)
return new DateTime(env, time);
else
return new DateTime(env, time, timeZone);
}
public String format(String format)
{
long time = _qDate.getGMTTime() / 1000;
QDate calendar = new QDate(_qDate.getLocalTimeZone());
return DateModule.dateImpl(format, time, calendar);
}
public void modify(String modify)
{
DateParser parser = new DateParser(modify, _qDate);
long time = parser.parse();
setTime(time);
}
public DateTimeZone getTimeZone()
{
return _dateTimeZone;
}
public void setTimeZone(Env env, DateTimeZone dateTimeZone)
{
_dateTimeZone = dateTimeZone;
long time = _qDate.getGMTTime();
_qDate = new QDate(dateTimeZone.getTimeZone(), env.getCurrentTime());
_qDate.setGMTTime(time);
}
public long getOffset()
{
return _qDate.getZoneOffset() / 1000;
}
public void setTime(int hour,
int minute,
@Optional int second)
{
_qDate.setTime(hour, minute, second, 0);
}
public void setDate(int year,
int month,
int day)
{
_qDate.setDate(year, month - 1, day);
}
public void setISODate(int year,
int week, //yes, week, not month
@Optional int day)
{
throw new UnimplementedException("DateTime::setISODate()");
}
protected QDate getQDate()
{
return _qDate;
}
protected long getTime()
{
return _qDate.getLocalTime();
}
protected void setTime(long time)
{
_qDate.setLocalTime(time);
}
public String toString()
{
return format("now");
}
}