Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

*

* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* 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 General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

*

* For more information, contact:

*

*  Generalitat Valenciana

*   Conselleria d'Infraestructures i Transport

*   Av. Blasco Ib??ez, 50

*   46010 VALENCIA

*   SPAIN

*

*      +34 963862235

*   gvsig@gva.es

*      www.gvsig.gva.es

*

*    or

*

*   IVER T.I. S.A

*   Salamanca 50

*   46005 Valencia

*   Spain

*

*   +34 963163400

*   dac@iver.es

*/

package es.gva.cit.catalogClient.utils;

import java.util.Calendar;

import java.util.Date;

import java.util.GregorianCalendar;

import java.util.Locale;

/**

 * This class contains static methods to manage Dates. It was principally 

 * created because of some problems doing the "String do DateTime" 

 * and the "DateTime to String" conversions.  

 * 

 * @author Jorge Piera Llodr? (piera_jor@gva.es)

 */

public class DateTime {

/**

 * returns the current date

 * 

 * 

 * @return java.util.Date

 */

    public static Date getCurrentDate() {        

        Calendar cal = new GregorianCalendar();

        return cal.getTime();

    } 

/**

 * It trnasforms one date in one String

 * 

 * 

 * @return A String

 * @param dtK Date

 * @param sFormat Date format. Example: "Y-m-d H:i:s.Z";

 */

    public static String dateToString(Date dtK, String sFormat) {        

        String sDate;

        int nYear;

        int nMonth;

        int nDay;

        int nHour;

        int nMinute;

        int nSecond;

        int nMS;

        Calendar clnK;

        String sf;

        int jc;

        clnK = Calendar.getInstance(Locale.US);

        clnK.setTime(dtK);

        nYear = clnK.get(Calendar.YEAR);

        nMonth = 1 + clnK.get(Calendar.MONTH);

        nDay = clnK.get(Calendar.DAY_OF_MONTH);

        nHour = clnK.get(Calendar.HOUR_OF_DAY);

        nMinute = clnK.get(Calendar.MINUTE);

        nSecond = clnK.get(Calendar.SECOND);

        nMS = clnK.get(Calendar.MILLISECOND);

        sDate = "";

        for (jc = 0; jc < sFormat.length(); jc++) {

            switch (sFormat.charAt(jc)) {

                case 'Y':

                    sDate += nYear;

                    break;

                case 'm':

                    sf = "" + nMonth;

                    if (nMonth < 10) {

                        sf = "0" + sf;

                    }

                    sDate += sf;

                    break;

                case 'd':

                    sf = "" + nDay;

                    if (nDay < 10) {

                        sf = "0" + sf;

                    }

                    sDate += sf;

                    break;

                case 'H':

                    sf = "" + nHour;

                    if (nHour < 10) {

                        sf = "0" + sf;

                    }

                    sDate += sf;

                    break;

                case 'i':

                    sf = "" + nMinute;

                    if (nMinute < 10) {

                        sf = "0" + sf;

                    }

                    sDate += sf;

                    break;

                case 's':

                    sf = "" + nSecond;

                    if (nSecond < 10) {

                        sf = "0" + sf;

                    }

                    sDate += sf;

                    break;

                case 'Z':

                    sf = "" + nMS;

                    if (nMS < 10) {

                        sf = "0" + sf;

                    }

                    sDate += sf;

                    break;

                default:

                    sDate += sFormat.substring(jc, jc + 1);

            }

        }

        return sDate;

    } 

/**

 * It transfoms one String in one Date

 * 

 * 

 * @return Date

 * @param sDate String

 */

    public static Date stringToDate(String sDate) {        

        Date dtRes;

        Calendar clnK;

        int nYear;

        int nMonth;

        int nDay;

        int nHour;

        int nMinute;

        int nSecond;

        int nMS;

        String sf;

        for (; sDate.length() < 23;)

            sDate += "0";

        sf = sDate.substring(0, 4);

        nYear = Integer.parseInt(sf);

        sf = sDate.substring(5, 7);

        nMonth = Integer.parseInt(sf) - 1;

        sf = sDate.substring(8, 10);

        nDay = Integer.parseInt(sf);

        sf = sDate.substring(11, 13);

        nHour = Integer.parseInt(sf);

        sf = sDate.substring(14, 16);

        nMinute = Integer.parseInt(sf);

        sf = sDate.substring(17, 19);

        nSecond = Integer.parseInt(sf);

        sf = sDate.substring(20, 23);

        nMS = Integer.parseInt(sf);

        clnK = Calendar.getInstance(Locale.US);

        clnK.set(nYear, nMonth, nDay, nHour, nMinute, nSecond);

        clnK.set(Calendar.MILLISECOND, nMS);

        dtRes = new Date();

        dtRes = clnK.getTime();

        //            sf=dateToString(dtRes,"Y-m-d H:i:s.Z");

        return dtRes;

    } 

 }