Java Date Between daysBetween(String from, String to, String format)

Description

days Between

License

Apache License

Declaration

public static int daysBetween(String from, String to, String format) throws IOException 

Method Source Code

//package com.java2s;
/**/*from ww  w  . j a  va  2s  .  co m*/
 * Copyright 2014 tgrape Inc.
 * 
 * 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.io.IOException;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

public class Main {
    public static int daysBetween(String from, String to, String format) throws IOException {

        SimpleDateFormat formatter = new SimpleDateFormat(format, Locale.UK);

        Calendar calendar = Calendar.getInstance(Locale.UK);
        calendar.setFirstDayOfWeek(Calendar.MONDAY);
        calendar.setMinimalDaysInFirstWeek(4);

        Date date1 = null;
        Date date2 = null;
        try {
            date1 = formatter.parse(from);
            date2 = formatter.parse(to);
        } catch (ParseException e) {
            throw new IOException(e.getMessage());
        }

        long duration = date2.getTime() - date1.getTime();

        return (int) (duration / (1000 * 60 * 60 * 24));
    }
}

Related

1. daysBetween(String bdate, String edate)
2. daysBetween(String beginDate, String endDate)
3. daysBetween(String from, String to)
4. daysBetween(String from, String to, String form)
5. daysBetween(String from, String to, String format)
6. daysBetween(String smdate, String bdate)
7. daysBetween2Dates(Date d1, Date d2)
8. daysBetween2Dates(Date startDate, Date endDate)
9. daysBetweenCalendars(Calendar date1, Calendar date2)