Java Day of calcSunday(String queryDate)

Description

calc Sunday

License

Apache License

Declaration

public static String calcSunday(String queryDate) 

Method Source Code

//package com.java2s;
/*//  w  ww.  j  a v  a2 s .  c o m
 * (C) 2013-2015 Asiainfo-linkage Group Holding Limited.
 *
 * 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.
 * Authors:
 *   davylin<linjxljx@gmail.com>
 */

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

public class Main {

    public static String calcSunday(String queryDate) {
        String result = null;
        if (queryDate != null) {
            GregorianCalendar gc = new GregorianCalendar();
            SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
            try {
                gc.setTime(df.parse(queryDate));
                gc.add(5, -1);
                for (; gc.get(7) != 7; gc.add(5, 1))
                    ;
                gc.add(5, 1);
                result = (new StringBuffer(String.valueOf(df.format(gc.getTime())))).append(" 23:59:59").toString();
            } catch (ParseException e) {
                System.out.print(e.getMessage());
            }
        }
        return result;
    }
}

Related

1. calcDay(String date1, String date2, String format)
2. CountCmpHolidays(Date stdate, Date enddate, String[] CmpHoliDays)
3. countDay(String begin, String end)
4. endOfTheDay(Date date)
5. formatDate(String day)