Android Calendar Compare compare(Calendar c1, Calendar c2, int what)

Description

compare

Declaration

public static int compare(Calendar c1, Calendar c2, int what) 

Method Source Code

//package com.java2s;

import java.sql.Timestamp;

import java.util.Calendar;

public class Main {
    public static int compare(Calendar c1, Calendar c2, int what) {
        int number = 0;
        switch (what) {
        case Calendar.YEAR:
            number = c1.get(Calendar.YEAR) - c2.get(Calendar.YEAR);
            break;
        case Calendar.MONTH:
            int years = compare(c1, c2, Calendar.YEAR);
            number = 12 * years// w ww  .  ja v  a  2  s  . c  o  m
                    + (c1.get(Calendar.MONTH) - c2.get(Calendar.MONTH));
            break;
        case Calendar.DATE:
            number = (int) ((c1.getTimeInMillis() - c2.getTimeInMillis()) / (1000 * 60 * 60 * 24));
            break;
        default:
            number = (int) ((c1.getTimeInMillis() - c2.getTimeInMillis()) / (1000 * 60 * 60 * 24));
            break;
        }
        return number;
    }

    public static int compare(Timestamp t1, Timestamp t2, int what) {

        Calendar c1 = Calendar.getInstance();
        c1.setTime(t1);

        Calendar c2 = Calendar.getInstance();
        c2.setTime(t2);

        int number = 0;
        switch (what) {
        case Calendar.YEAR:
            number = c1.get(Calendar.YEAR) - c2.get(Calendar.YEAR);
            break;
        case Calendar.MONTH:
            int years = compare(c1, c2, Calendar.YEAR);
            number = 12 * years
                    + (c1.get(Calendar.MONTH) - c2.get(Calendar.MONTH));
            break;
        case Calendar.DATE:
            number = (int) ((c1.getTimeInMillis() - c2.getTimeInMillis()) / (1000 * 60 * 60 * 24));
            break;
        default:
            number = (int) ((c1.getTimeInMillis() - c2.getTimeInMillis()) / (1000 * 60 * 60 * 24));
            break;
        }
        return number;
    }
}

Related

1. compareCurrentDate(String currentDate)
2. isAfterRollingTime(Calendar date)
3. isAfterRollingTimeOut(Calendar date)
4. isBeforeRollingEndTime(Calendar date)