Java Date ISO Parse parseISO8601Date(String encoded, Date fallback)

Description

parse ISO Date

License

Open Source License

Declaration

public static Date parseISO8601Date(String encoded, Date fallback)

Method Source Code


//package com.java2s;
/*/*ww  w  .  jav a 2 s  . c o m*/
 * Copyright (C) 2012  Krawler Information Systems Pvt Ltd
 * All rights reserved.
 * 
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

import java.text.ParseException;
import java.text.SimpleDateFormat;

import java.util.Date;

public class Main {
    public static Date parseISO8601Date(String encoded, Date fallback) {
        if (encoded == null)
            return fallback;

        // normalize format to "2005-10-19T16:25:38-0800"
        int length = encoded.length();
        if (length == 4)
            encoded += "-01-01T00:00:00-0000";
        else if (length == 7)
            encoded += "-01T00:00:00-0000";
        else if (length == 10)
            encoded += "T00:00:00-0000";
        else if (length < 17)
            return fallback;
        else if (encoded.charAt(16) != ':')
            encoded = encoded.substring(0, 16) + ":00" + encoded.substring(16);
        else if (length >= 22 && encoded.charAt(19) == '.')
            encoded = encoded.substring(0, 19) + encoded.substring(21);

        // timezone cleanup: this format understands '-0800', not '-08:00'
        int colon = encoded.lastIndexOf(':');
        if (colon > 19)
            encoded = encoded.substring(0, colon) + encoded.substring(colon + 1);
        // timezone cleanup: this format doesn't understand 'Z' or default
        // timezones
        if (encoded.length() == 19)
            encoded += "-0000";
        else if (encoded.endsWith("Z"))
            encoded = encoded.substring(0, encoded.length() - 1) + "-0000";

        try {
            return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ").parse(encoded);
        } catch (ParseException e) {
            return fallback;
        }
    }
}

Java Date ISO Parse parseISO8601Date(String encoded, Date fallback)

Description

License

Declaration

Method Source Code

Related