Java Parse Date parseDate(Object o)

Description

parse Date

License

Open Source License

Declaration

public static Date parseDate(Object o)

Method Source Code

//package com.java2s;
/*/*from w  w w.ja  va 2s .c  o  m*/
 * Licensed to J?rg Prante and xbib under one or more contributor 
 * license agreements. See the NOTICE.txt file distributed with this work
 * for additional information regarding copyright ownership.
 *
 * Copyright (C) 2012 J?rg Prante and xbib
 * 
 * This program 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 
 * or write to the Free Software Foundation, Inc., 51 Franklin Street, 
 * Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * The interactive user interfaces in modified source and object code 
 * versions of this program must display Appropriate Legal Notices, 
 * as required under Section 5 of the GNU Affero General Public License.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public 
 * License, these Appropriate Legal Notices must retain the display of the 
 * "Powered by xbib" logo. If the display of the logo is not reasonably 
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Powered by xbib".
 */

import java.text.ParsePosition;
import java.text.SimpleDateFormat;

import java.util.Date;
import java.util.TimeZone;

public class Main {
    public static final TimeZone GMT = TimeZone.getTimeZone("GMT");
    private static final SimpleDateFormat sdf = new SimpleDateFormat();
    /**
     * the date masks
     */
    private static final String[] DATE_MASKS = { "yyyy-MM-dd'T'HH:mm:ssz", "yyyy-MM-dd'T'HH:mm:ss'Z'", "yyyy-MM-dd",
            "yyyy" };

    public static Date parseDate(Object o) {
        synchronized (sdf) {
            sdf.setTimeZone(GMT);
            sdf.setLenient(true);
            if (o instanceof Date) {
                return (Date) o;
            } else if (o instanceof Long) {
                Long longvalue = (Long) o;
                String s = Long.toString(longvalue);
                sdf.applyPattern(DATE_MASKS[3]);
                Date d = sdf.parse(s, new ParsePosition(0));
                if (d != null) {
                    return d;
                }
            } else if (o instanceof String) {
                String value = (String) o;
                for (String DATE_MASK : DATE_MASKS) {
                    sdf.applyPattern(DATE_MASK);
                    Date d = sdf.parse(value, new ParsePosition(0));
                    if (d != null) {
                        return d;
                    }
                }
            }
            return null;
        }
    }
}

Java Parse Date parseDate(Object o)

Description

License

Declaration

Method Source Code

Related