Java Calendar Time timestamp17ToCalendar(String timestamp17String)

Description

Convert 17-digit date format timestamps (as found in crawl.log, for example) into a GregorianCalendar object.

License

Open Source License

Parameter

Parameter	Description
timestamp17String	a parameter

Return

Calendar set to timestamp17String.

Declaration

public static Calendar timestamp17ToCalendar(String timestamp17String) 

Method Source Code

//package com.java2s;
/*//from w  w w . ja  v  a 2 s  .c  o m
 * ArchiveUtils
 *
 * $Header: /cvsroot/archive-crawler/ArchiveOpenCrawler/src/java/org/archive/util/ArchiveUtils.java,v 1.38 2007/01/23 00:29:48 gojomo Exp $
 *
 * Created on Jul 7, 2003
 *
 * Copyright (C) 2003 Internet Archive.
 *
 * This file is part of the Heritrix web crawler (crawler.archive.org).
 *
 * Heritrix is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * any later version.
 *
 * Heritrix 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 Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License
 * along with Heritrix; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

import java.util.Calendar;

import java.util.GregorianCalendar;

public class Main {
    /**
     * Convert 17-digit date format timestamps (as found in crawl.log, for
     * example) into a GregorianCalendar object. + * Useful so you can convert
     * into milliseconds-since-epoch. Note: it is possible to compute
     * milliseconds-since-epoch + * using {@link #parse17DigitDate}.UTC(), but
     * that method is deprecated in favor of using Calendar.getTimeInMillis(). + *
     * <p/>I probably should have dug into all the utility methods in
     * DateFormat.java to parse the timestamp, but this was + * easier. If
     * someone wants to fix this to use those methods, please have at it! <p/>
     * Mike Schwartz, schwartz at CodeOnTheRoad dot com.
     * 
     * @param timestamp17String
     * @return Calendar set to <code>timestamp17String</code>.
     */
    public static Calendar timestamp17ToCalendar(String timestamp17String) {
        GregorianCalendar calendar = new GregorianCalendar();
        int year = Integer.parseInt(timestamp17String.substring(0, 4));
        int dayOfMonth = Integer.parseInt(timestamp17String.substring(6, 8));
        // Month is 0-based
        int month = Integer.parseInt(timestamp17String.substring(4, 6)) - 1;
        int hourOfDay = Integer.parseInt(timestamp17String.substring(8, 10));
        int minute = Integer.parseInt(timestamp17String.substring(10, 12));
        int second = Integer.parseInt(timestamp17String.substring(12, 14));
        int milliseconds = Integer.parseInt(timestamp17String.substring(14, 17));
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.MONTH, month);
        calendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
        calendar.set(Calendar.HOUR_OF_DAY, hourOfDay);
        calendar.set(Calendar.MINUTE, minute);
        calendar.set(Calendar.SECOND, second);
        calendar.set(Calendar.MILLISECOND, milliseconds);
        return calendar;
    }
}

Related

1. setTimeToMidnight(GregorianCalendar c)
2. setTimeToMinOrMax(Calendar cal, boolean max)
3. stripTime(final Calendar cal)
4. stripTimeComponent(Calendar cal)
5. time2InicioDelDia(Calendar fecha)
6. timestamp2Calendar(long timestamp)
7. timestampToCalendar(String timestamp)
8. toDefaultTimeZone(Calendar calendar)
9. toTimeStamp(Calendar cal)