Java Calendar Between getDaysBetween(Calendar startDate, Calendar endDate)

Description

get Days Between

License

Apache License

Declaration

public static int getDaysBetween(Calendar startDate, Calendar endDate) 

Method Source Code

//package com.java2s;
/*/*from ww  w .  j  a  v a2s .c  o  m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.util.Calendar;
import java.util.Date;

public class Main {

    public static int getDaysBetween(Calendar startDate, Calendar endDate) {
        if (startDate.after(endDate)) {
            java.util.Calendar swap = startDate;
            startDate = endDate;
            endDate = swap;
        }
        int days = endDate.get(java.util.Calendar.DAY_OF_YEAR) - startDate.get(java.util.Calendar.DAY_OF_YEAR);
        int y2 = endDate.get(java.util.Calendar.YEAR);
        if (startDate.get(java.util.Calendar.YEAR) != y2) {
            startDate = (java.util.Calendar) startDate.clone();
            do {
                days += startDate.getActualMaximum(java.util.Calendar.DAY_OF_YEAR);
                startDate.add(java.util.Calendar.YEAR, 1);
            } while (startDate.get(java.util.Calendar.YEAR) != y2);
        }
        return days;
    }

    public static int getDaysBetween(Date startDate, Date endDate) {
        Calendar cal1 = Calendar.getInstance();
        Calendar cal2 = Calendar.getInstance();
        cal1.setTime(startDate);
        cal2.setTime(endDate);
        return getDaysBetween(cal1, cal2);
    }
}

Related

1. daysBetweenxX(Calendar start, Calendar end)
2. getDaysBetween(Calendar d1, Calendar d2)
3. getDaysBetween(Calendar d1, Calendar d2)
4. getDaysBetween(Calendar firstDate, Calendar lastDate)
5. getDaysBetween(Calendar start, Calendar end)
6. getDaysBetween(final Calendar start, final Calendar end)
7. getFmtCalendar(Calendar c, long betweenTimeout, StringBuilder sb)
8. hoursBetween(Calendar start, Calendar end, boolean assumeSameDate)
9. hoursBetween(Calendar startDate, Calendar endDate)