Mega Code Archive
Converts a given time in milliseconds into a XMLGregorianCalendar object
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/**
* Copyright (c) 2009, Intersect, Australia
*
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
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* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Intersect, Intersect's partners, 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 THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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//package org.dataminx.dts.common.util;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;
/**
* A collections of date-oriented methods surrounding the use of the {@link java.util.Calendar} and
* {@link java.util.Date} classes.
*
* @author Alex Arana
*/
public final class DateUtils {
/**
* Converts an instance of {@link java.util.Date} object to {@link java.util.Calendar}.
*
* @param date
* date object to convert.
* @return Converted <code>Calendar</code> object.
*/
public static Calendar toCalendar(final Date date) {
final Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar;
}
/**
* Creates an instance of {@link java.util.Calendar} from the given time in milliseconds.
* <p>
* The input milliseconds value represents the specified number of milliseconds since the standard base time known
* as "the epoch", namely January 1, 1970, 00:00:00 GMT.
*
* @param millis
* A given time corresponding to the number of milliseconds since January 1, 1970, 00:00:00 GMT
* @return Converted <code>Calendar</code> object.
*/
public static Calendar toCalendar(final long millis) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(millis);
return calendar;
}
/**
* Converts a given time as an instance of {@link java.util.Date} into a {@link XMLGregorianCalendar} object.
*
* @param date
* A given time as an instance of <code>java.util.Date</code>
* @return A new instance of <code>XMLGregorianCalendar</code> representing the input time
*/
public static XMLGregorianCalendar toXmlGregorianCalendar(final Date date) {
return toXmlGregorianCalendar(date.getTime());
}
/**
* Converts a given time in milliseconds into a {@link XMLGregorianCalendar} object.
* <p>
* The input milliseconds value represents the specified number of milliseconds since the standard base time known
* as "the epoch", namely January 1, 1970, 00:00:00 GMT.
*
* @param date
* A given time corresponding to the number of milliseconds since January 1, 1970, 00:00:00 GMT
* @return A new instance of <code>XMLGregorianCalendar</code> representing the input time
*/
public static XMLGregorianCalendar toXmlGregorianCalendar(final long date) {
try {
final GregorianCalendar calendar = new GregorianCalendar();
calendar.setTimeInMillis(date);
return DatatypeFactory.newInstance().newXMLGregorianCalendar(
calendar);
}
catch (final DatatypeConfigurationException ex) {
System.out.println("Unable to convert date '%s' to an XMLGregorianCalendar object");
}
}
}
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