XSDDateTime.java Source code

Java tutorial

Introduction

Here is the source code for XSDDateTime.java

Source

/*
 * Copyright (c) 2006, Chuck Mortimore - xmldap.org
 * 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.
 *     * 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.
 *     * Neither the names xmldap, xmldap.org, xmldap.com 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
 * 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.
 */

//package org.xmldap.util;

import java.security.InvalidParameterException;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;

public class XSDDateTime {

    private int moreMinutes;

    public XSDDateTime() {
        moreMinutes = 0;
    }

    public XSDDateTime(int moreMinutes) {
        this.moreMinutes = moreMinutes;
    }

    public static Calendar parse(String dt) {
        String[] dateTime = dt.split("T");
        String date = dateTime[0];
        String time = dateTime[1];
        String[] ymd = date.split("-");
        int year = Integer.parseInt(ymd[0]);
        int month = Integer.parseInt(ymd[1]) - 1;
        int day = Integer.parseInt(ymd[2]);
        String[] hms = time.split(":");
        int hour = Integer.parseInt(hms[0]);
        int minutes = Integer.parseInt(hms[1]);
        int seconds = Integer.parseInt(hms[2].substring(0, 2));
        TimeZone tz = TimeZone.getTimeZone("GMT+00:00");
        Calendar cal = Calendar.getInstance(tz, Locale.US);
        cal.set(year, month, day, hour, minutes, seconds);
        return cal;
    }

    public static String getDateTime(Calendar cal) {
        if (!cal.getTimeZone().equals(TimeZone.getTimeZone("GMT+00:00"))) {
            throw new InvalidParameterException();
        }
        int year = cal.get(Calendar.YEAR);
        int month = cal.get(Calendar.MONTH);
        month++;
        String monthString = pad(month);
        int day = cal.get(Calendar.DAY_OF_MONTH);
        String dayString = pad(day);
        int hour = cal.get(Calendar.HOUR_OF_DAY);
        String hourString = pad(hour);
        int minutes = cal.get(Calendar.MINUTE);
        String minutesString = pad(minutes);
        int seconds = cal.get(Calendar.SECOND);
        String secondsString = pad(seconds);

        return year + "-" + monthString + "-" + dayString + "T" + hourString + ":" + minutesString + ":"
                + secondsString + "Z";
    }

    public String getDateTime() {
        TimeZone tz = TimeZone.getTimeZone("GMT+00:00");
        Calendar cal = Calendar.getInstance(tz, Locale.US);
        cal.add(Calendar.MINUTE, moreMinutes);
        return getDateTime(cal);
    }

    protected static String pad(int value) {

        Integer valueInt = new Integer(value);
        String valueString = valueInt.toString();
        if (valueString.length() == 1)
            valueString = "0" + valueString;
        return valueString;

    }

}