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//Copyright (c) 2006, Adobe Systems Incorporated
//All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All advertising materials mentioning features or use of this software
// must display the following acknowledgement:
// This product includes software developed by the Adobe Systems Incorporated.
// 4. Neither the name of the Adobe Systems Incorporated nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY ADOBE SYSTEMS INCORPORATED ''AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL ADOBE SYSTEMS INCORPORATED BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// http://www.adobe.com/devnet/xmp/library/eula-xmp-library-java.html
package com.itextpdf.kernel.xmp;
import com.itextpdf.kernel.xmp.impl.XMPDateTimeImpl;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
/**
* A factory to create XMPDateTime-instances from a Calendar or an
* ISO 8601 string or for the current time.
*
* @since 16.02.2006
*/
public final class XMPDateTimeFactory
{
/** The UTC TimeZone */
private static final TimeZone UTC = TimeZone.getTimeZone("UTC");
/** Private constructor */
private XMPDateTimeFactory()
{
// EMPTY
}
/**
* Creates an XMPDateTime from a Calendar-object.
*
* @param calendar a Calendar-object.
* @return An XMPDateTime-object.
*/
public static XMPDateTime createFromCalendar(Calendar calendar)
{
return new XMPDateTimeImpl(calendar);
}
/**
* Creates an empty XMPDateTime-object.
* @return Returns an XMPDateTime-object.
*/
public static XMPDateTime create()
{
return new XMPDateTimeImpl();
}
/**
* Creates an XMPDateTime-object from initial values.
* @param year years
* @param month months from 1 to 12
* Note: Remember that the month in {@link java.util.Calendar} is defined from 0 to 11.
* @param day days
* @return Returns an XMPDateTime-object.
*/
public static XMPDateTime create(int year, int month, int day)
{
XMPDateTime dt = new XMPDateTimeImpl();
dt.setYear(year);
dt.setMonth(month);
dt.setDay(day);
return dt;
}
/**
* Creates an XMPDateTime-object from initial values.
* @param year years
* @param month months from 1 to 12
* Note: Remember that the month in {@link java.util.Calendar} is defined from 0 to 11.
* @param day days
* @param hour hours
* @param minute minutes
* @param second seconds
* @param nanoSecond nanoseconds
* @return Returns an XMPDateTime-object.
*/
public static XMPDateTime create(int year, int month, int day,
int hour, int minute, int second, int nanoSecond)
{
XMPDateTime dt = new XMPDateTimeImpl();
dt.setYear(year);
dt.setMonth(month);
dt.setDay(day);
dt.setHour(hour);
dt.setMinute(minute);
dt.setSecond(second);
dt.setNanoSecond(nanoSecond);
return dt;
}
/**
* Creates an XMPDateTime from an ISO 8601 string.
*
* @param strValue The ISO 8601 string representation of the date/time.
* @return An XMPDateTime-object.
* @throws XMPException When the ISO 8601 string is non-conform
*/
public static XMPDateTime createFromISO8601(String strValue) throws XMPException
{
return new XMPDateTimeImpl(strValue);
}
/**
* Obtain the current date and time.
*
* @return Returns The returned time is UTC, properly adjusted for the local time zone. The
* resolution of the time is not guaranteed to be finer than seconds.
*/
public static XMPDateTime getCurrentDateTime()
{
return new XMPDateTimeImpl(new GregorianCalendar());
}
/**
* Sets the local time zone without touching any other Any existing time zone value is replaced,
* the other date/time fields are not adjusted in any way.
*
* @param dateTime the XMPDateTime variable containing the value to be modified.
* @return Returns an updated XMPDateTime-object.
*/
public static XMPDateTime setLocalTimeZone(XMPDateTime dateTime)
{
Calendar cal = dateTime.getCalendar();
cal.setTimeZone(TimeZone.getDefault());
return new XMPDateTimeImpl(cal);
}
/**
* Make sure a time is UTC. If the time zone is not UTC, the time is
* adjusted and the time zone set to be UTC.
*
* @param dateTime
* the XMPDateTime variable containing the time to
* be modified.
* @return Returns an updated XMPDateTime-object.
*/
public static XMPDateTime convertToUTCTime(XMPDateTime dateTime)
{
long timeInMillis = dateTime.getCalendar().getTimeInMillis();
GregorianCalendar cal = new GregorianCalendar(UTC);
cal.setGregorianChange(new Date(Long.MIN_VALUE));
cal.setTimeInMillis(timeInMillis);
return new XMPDateTimeImpl(cal);
}
/**
* Make sure a time is local. If the time zone is not the local zone, the time is adjusted and
* the time zone set to be local.
*
* @param dateTime the XMPDateTime variable containing the time to be modified.
* @return Returns an updated XMPDateTime-object.
*/
public static XMPDateTime convertToLocalTime(XMPDateTime dateTime)
{
long timeInMillis = dateTime.getCalendar().getTimeInMillis();
// has automatically local timezone
GregorianCalendar cal = new GregorianCalendar();
cal.setTimeInMillis(timeInMillis);
return new XMPDateTimeImpl(cal);
}
}
