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From "Travis Reeder (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LANG-434) Add DateUtils.ceiling() method
Date Tue, 06 May 2008 01:23:56 GMT

    [ https://issues.apache.org/jira/browse/LANG-434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12594434#action_12594434
] 

Travis Reeder commented on LANG-434:
------------------------------------

Not a patch, but this should work as the equivalent of the Math.ceil().

 public Date ciel(Date d, int field) {
        d = DateUtils.add(d, field, +1);
        d = DateUtils.truncate(d, field);
        return d;
    }

Quick visual test:

 Date d;
        d = new Date();
        System.out.println("now=" + d);
        System.out.println("ciel=" + ciel(d, Calendar.YEAR));
        System.out.println("ciel=" + ciel(d, Calendar.MONTH));
        System.out.println("ciel=" + ciel(d, Calendar.DAY_OF_MONTH));
        System.out.println("ciel=" + ciel(d, Calendar.HOUR));
        System.out.println("ciel=" + ciel(d, Calendar.MINUTE));



> Add DateUtils.ceiling() method
> ------------------------------
>
>                 Key: LANG-434
>                 URL: https://issues.apache.org/jira/browse/LANG-434
>             Project: Commons Lang
>          Issue Type: Improvement
>    Affects Versions: 2.4
>            Reporter: Travis Reeder
>             Fix For: 3.0
>
>
> It would be nice to have a DateUtils.ceiling methods which would be the opposite of truncate
(which is equivalent to floor)
> DateUtils.ceiling(Date d, int field);
> For example, if you had the datetime of 28 Mar 2002 13:45:01.231, if you passed with
HOUR, it would return 28 Mar 2002 13:59:59.999. If this was passed with MONTH, it would return
31 Mar 2002 23:59:59.999.

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