Java Day of truncateToBeginOfDay(Date date)

Description

Returns a normalized version of the given date.

License

Apache License

Declaration

public static Date truncateToBeginOfDay(Date date) 

Method Source Code

//package com.java2s;
/*-------------------------------------------------------------------------+
|                                                                          |
| Copyright 2005-2011 The ConQAT Project                                   |
|                                                                          |
| Licensed under the Apache License, Version 2.0 (the "License");          |
| you may not use this file except in compliance with the License.         |
| You may obtain a copy of the License at                                  |
|                                                                          |
|    http://www.apache.org/licenses/LICENSE-2.0                            |
|                                                                          |
| Unless required by applicable law or agreed to in writing, software      |
| distributed under the License is distributed on an "AS IS" BASIS,        |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and      |
| limitations under the License.                                           |
+-------------------------------------------------------------------------*/

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

import java.util.Date;

public class Main {
    /** Simple date format used by {@link #truncateToBeginOfDay(Date)} */
    private static final SimpleDateFormat yyyMMddFormat = new SimpleDateFormat("yyyy-MM-dd");

    /**/*from w w w.jav a2  s  .  com*/
     * Returns a normalized version of the given date. Normalization is done by
     * removing all time-of-day information.
     */
    public static Date truncateToBeginOfDay(Date date) {
        String normalized = yyyMMddFormat.format(date);
        try {
            return yyyMMddFormat.parse(normalized);
        } catch (ParseException e) {
            throw new AssertionError("Bug in SimpleDateFormat. Produces String it cannot parse.");
        }
    }
}

Related

1. ToEnglishDay(Date dt)
2. ToEnglishDayWithMon(Date dt)
3. tomorrow(int dayafter)
4. toNextDayYMD()
5. toUtcDay(Date d)