itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

⏎ com/itextpdf/xmp/impl/XMPDateTimeImpl.java

//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.xmp.impl;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;

import com.itextpdf.xmp.XMPDateTime;
import com.itextpdf.xmp.XMPException;


/**
 * The implementation of <code>XMPDateTime</code>. Internally a <code>calendar</code> is used
 * plus an additional nano seconds field, because <code>Calendar</code> supports only milli
 * seconds. The <code>nanoSeconds</code> convers only the resolution beyond a milli second.
 * 
 * @since 16.02.2006
 */
public class XMPDateTimeImpl implements XMPDateTime 
{
	/** */
	private int year = 0;
	/** */
	private int month = 0;
	/** */
	private int day = 0;
	/** */
	private int hour = 0;
	/** */
	private int minute = 0;
	/** */
	private int second = 0;
	/** Use NO time zone as default */
	private TimeZone timeZone = null;
	/**
	 * The nano seconds take micro and nano seconds, while the milli seconds are in the calendar.
	 */
	private int nanoSeconds;
	/** */
	private boolean hasDate = false;
	/** */
	private boolean hasTime = false;
	/** */
	private boolean hasTimeZone = false;
	

	/**
	 * Creates an <code>XMPDateTime</code>-instance with the current time in the default time
	 * zone.
	 */
	public XMPDateTimeImpl()
	{
		// EMPTY
	}

	
	/**
	 * Creates an <code>XMPDateTime</code>-instance from a calendar.
	 * 
	 * @param calendar a <code>Calendar</code>
	 */
	public XMPDateTimeImpl(Calendar calendar)
	{
		// extract the date and timezone from the calendar provided
        Date date = calendar.getTime();
        TimeZone zone = calendar.getTimeZone();

        // put that date into a calendar the pretty much represents ISO8601
        // I use US because it is close to the "locale" for the ISO8601 spec
        GregorianCalendar intCalendar = 
        	(GregorianCalendar) Calendar.getInstance(Locale.US);
        intCalendar.setGregorianChange(new Date(Long.MIN_VALUE));       
        intCalendar.setTimeZone(zone);           
        intCalendar.setTime(date); 		
		
		this.year = intCalendar.get(Calendar.YEAR);
		this.month = intCalendar.get(Calendar.MONTH) + 1; // cal is from 0..12
		this.day = intCalendar.get(Calendar.DAY_OF_MONTH);
		this.hour = intCalendar.get(Calendar.HOUR_OF_DAY);
		this.minute = intCalendar.get(Calendar.MINUTE);
		this.second = intCalendar.get(Calendar.SECOND);
		this.nanoSeconds = intCalendar.get(Calendar.MILLISECOND) * 1000000;
		this.timeZone = intCalendar.getTimeZone();

		// object contains all date components
		hasDate = hasTime = hasTimeZone = true;
	}

	
	/**
	 * Creates an <code>XMPDateTime</code>-instance from 
	 * a <code>Date</code> and a <code>TimeZone</code>.
	 * 
	 * @param date a date describing an absolute point in time
	 * @param timeZone a TimeZone how to interpret the date
	 */
	public XMPDateTimeImpl(Date date, TimeZone timeZone)
	{
		GregorianCalendar calendar = new GregorianCalendar(timeZone);
		calendar.setTime(date);
		
		this.year = calendar.get(Calendar.YEAR);
		this.month = calendar.get(Calendar.MONTH) + 1; // cal is from 0..12
		this.day = calendar.get(Calendar.DAY_OF_MONTH);
		this.hour = calendar.get(Calendar.HOUR_OF_DAY);
		this.minute = calendar.get(Calendar.MINUTE);
		this.second = calendar.get(Calendar.SECOND);
		this.nanoSeconds = calendar.get(Calendar.MILLISECOND) * 1000000;
		this.timeZone = timeZone;

		// object contains all date components
		hasDate = hasTime = hasTimeZone = true;
	}

	
	/**
	 * Creates an <code>XMPDateTime</code>-instance from an ISO 8601 string.
	 * 
	 * @param strValue an ISO 8601 string
	 * @throws XMPException If the string is a non-conform ISO 8601 string, an exception is thrown
	 */
	public XMPDateTimeImpl(String strValue) throws XMPException
	{
		ISO8601Converter.parse(strValue, this);
	}


	/**
	 * @see XMPDateTime#getYear()
	 */
	public int getYear()
	{
		return year;
	}

	
	/**
	 * @see XMPDateTime#setYear(int)
	 */
	public void setYear(int year)
	{
		this.year = Math.min(Math.abs(year), 9999);
		this.hasDate = true;
	}	
	

	/**
	 * @see XMPDateTime#getMonth()
	 */
	public int getMonth()
	{
		return month;
	}


	/**
	 * @see XMPDateTime#setMonth(int)
	 */
	public void setMonth(int month)
	{
		if (month < 1)
		{	
			this.month = 1;
		}
		else if (month > 12)
		{
			this.month = 12;
		}
		else
		{
			this.month = month;
		}

		this.hasDate = true;
	}

	
	/**
	 * @see XMPDateTime#getDay()
	 */
	public int getDay()
	{
		return day;
	}


	/**
	 * @see XMPDateTime#setDay(int)
	 */
	public void setDay(int day)
	{
		if (day < 1)
		{	
			this.day = 1;
		}
		else if (day > 31)
		{
			this.day = 31;
		}
		else
		{
			this.day = day;
		}
		
		this.hasDate = true;
	}
	
	
	/**
	 * @see XMPDateTime#getHour()
	 */
	public int getHour()
	{
		return hour;
	}

	
	/**
	 * @see XMPDateTime#setHour(int)
	 */
	public void setHour(int hour)
	{
		this.hour = Math.min(Math.abs(hour), 23);
		this.hasTime = true;
	}


	/**
	 * @see XMPDateTime#getMinute()
	 */
	public int getMinute()
	{
		return minute;
	}

	
	/**
	 * @see XMPDateTime#setMinute(int)
	 */
	public void setMinute(int minute)
	{
		this.minute = Math.min(Math.abs(minute), 59);
		this.hasTime = true;
	}

	
	/**
	 * @see XMPDateTime#getSecond()
	 */
	public int getSecond()
	{
		return second;
	}

	
	/**
	 * @see XMPDateTime#setSecond(int)
	 */
	public void setSecond(int second)
	{
		this.second = Math.min(Math.abs(second), 59);
		this.hasTime = true;
	}


	/**
	 * @see XMPDateTime#getNanoSecond()
	 */
	public int getNanoSecond()
	{
		return nanoSeconds;
	}

	
	/**
	 * @see XMPDateTime#setNanoSecond(int)
	 */
	public void setNanoSecond(int nanoSecond)
	{
		this.nanoSeconds = nanoSecond;
		this.hasTime = true;
	}
	

	/**
	 * @see Comparable#compareTo(Object)
	 */
	public int compareTo(Object dt)
	{
		long d = getCalendar().getTimeInMillis()
				- ((XMPDateTime) dt).getCalendar().getTimeInMillis();
		if (d != 0)
		{
			return (int) Math.signum(d);
		}
		else
		{
			// if millis are equal, compare nanoseconds
			d = nanoSeconds - ((XMPDateTime) dt).getNanoSecond();
			return (int) Math.signum(d);
		}
	}


	/**
	 * @see XMPDateTime#getTimeZone()
	 */
	public TimeZone getTimeZone()
	{
		return timeZone;
	}


	/**
	 * @see XMPDateTime#setTimeZone(TimeZone)
	 */
	public void setTimeZone(TimeZone timeZone)
	{
		this.timeZone = timeZone;
		this.hasTime = true;
		this.hasTimeZone = true;
	}

	
	/**
	 * @see XMPDateTime#hasDate()
	 */
	public boolean hasDate()
	{
		return this.hasDate;
	}


	/**
	 * @see XMPDateTime#hasTime()
	 */
	public boolean hasTime()
	{
		return this.hasTime;
	}


	/**
	 * @see XMPDateTime#hasTimeZone()
	 */
	public boolean hasTimeZone()
	{
		return this.hasTimeZone;
	}
	

	/**
	 * @see XMPDateTime#getCalendar()
	 */
	public Calendar getCalendar()
	{
		GregorianCalendar calendar = (GregorianCalendar) Calendar.getInstance(Locale.US);
		calendar.setGregorianChange(new Date(Long.MIN_VALUE));
		if (hasTimeZone)
		{	
			calendar.setTimeZone(timeZone);
		}
		calendar.set(Calendar.YEAR, year);
		calendar.set(Calendar.MONTH, month - 1);
		calendar.set(Calendar.DAY_OF_MONTH, day);
		calendar.set(Calendar.HOUR_OF_DAY, hour);
		calendar.set(Calendar.MINUTE, minute);
		calendar.set(Calendar.SECOND, second);
		calendar.set(Calendar.MILLISECOND, nanoSeconds / 1000000);
	
		return calendar;
	}


	/**
	 * @see XMPDateTime#getISO8601String()
	 */
	public String getISO8601String()
	{
		return ISO8601Converter.render(this);
	}

	
	/**
	 * @return Returns the ISO string representation.
	 */
	public String toString()
	{
		return getISO8601String();
	}
}

⏎ com/itextpdf/xmp/impl/XMPDateTimeImpl.java

Or download all of them as a single archive file:

File name: itextpdf-5.5.14-fyi.zip
File size: 2163839 bytes
Release date: 2009-10-09
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