Java Timestamp Field getPeriodExpiration(Timestamp tsStartDate, int iPeriodType, int iPeriodDuration)

Description

Get expiration timestamp from start date, period type and duration.

License

Open Source License

Parameter

Parameter	Description
tsStartDate	- start date of period counting
iPeriodType	- one of the period type constant TIMING_XXX
iPeriodDuration	- period duration, number of time units specified by period type

Return

Timestamp - date of period expiration or null if any problem

Declaration

public static Timestamp getPeriodExpiration(Timestamp tsStartDate, int iPeriodType, int iPeriodDuration) 

Method Source Code

//package com.java2s;
/*/*w ww .j a v  a2s.  c o  m*/
 * Copyright (C) 2003 - 2013 OpenSubsystems.com/net/org and its owners. All rights reserved.
 * 
 * This file is part of OpenSubsystems.
 *
 * OpenSubsystems is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 */

import java.sql.Timestamp;

import java.util.Calendar;

public class Main {
    /**
     * Constant for timing type
     */
    public static final int TIMING_NEVER = 0;
    /**
     * Constant for timing type
     */
    public static final int TIMING_MINUTES = 1;
    /**
     * Constant for timing type
     */
    public static final int TIMING_HOURS = 2;
    /**
     * Constant for timing type
     */
    public static final int TIMING_DAYS = 3;
    /**
     * Constant for timing type
     */
    public static final int TIMING_WEEKS = 4;
    /**
     * Constant for timing type
     */
    public static final int TIMING_MONTHS = 5;
    /**
     * Constant for timing type
     */
    public static final int TIMING_YEARS = 6;
    /**
     * Constant for timing type
     */
    public static final int TIMING_NONE = 7;

    /**
     * Get expiration timestamp from start date, period type and duration. For 
     * example if the start date is now, period type is hour and duration is 2
     * then the result will be timestamp representing now + 2 hours.  
     * 
     * @param tsStartDate - start date of period counting
     * @param iPeriodType - one of the period type constant TIMING_XXX 
     * @param iPeriodDuration - period duration, number of time units specified 
     *                          by period type
     * @return Timestamp - date of period expiration or null if any problem
     */
    public static Timestamp getPeriodExpiration(Timestamp tsStartDate, int iPeriodType, int iPeriodDuration) {
        Timestamp tsReturn = null;
        Calendar calHelp;
        if (tsStartDate != null && iPeriodDuration > 0 && iPeriodType > TIMING_NEVER && iPeriodType < TIMING_NONE) {
            calHelp = Calendar.getInstance();
            calHelp.setTime(tsStartDate);

            switch (iPeriodType) {
            case (TIMING_MINUTES): {
                calHelp.add(Calendar.MINUTE, iPeriodDuration);
                break;
            }
            case (TIMING_HOURS): {
                calHelp.add(Calendar.HOUR, iPeriodDuration);
                break;
            }
            case (TIMING_DAYS): {
                calHelp.add(Calendar.DATE, iPeriodDuration);
                break;
            }
            case (TIMING_WEEKS): {
                calHelp.add(Calendar.WEEK_OF_YEAR, iPeriodDuration);
                break;
            }
            case (TIMING_MONTHS): {
                calHelp.add(Calendar.MONTH, iPeriodDuration);
                break;
            }
            case (TIMING_YEARS): {
                calHelp.add(Calendar.YEAR, iPeriodDuration);
                break;
            }
            default: {
                assert false : "Not supported Timing type " + iPeriodType;
            }
            }
            tsReturn = new Timestamp(calHelp.getTimeInMillis());
        }

        return tsReturn;
    }
}

Related

1. getNowTimestamp()
2. getNowTimeStamp()
3. getNowTimeStamp()
4. getOffsetDaysTime(Timestamp sysDate, int offsetDays)
5. getPerformanceTime(Timestamp startTime)
6. getPresentTimeStamp()
7. getRandomTimeBetweenTwoDates(Timestamp beginDate, Map context)
8. getRandTimestamp(Random r)
9. getRealCalendar(Timestamp time)