Calculates the number of days that the previous month of the given one has - Android java.util

Android examples for java.util:Month

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Description

Calculates the number of days that the previous month of the given one has

Demo Code


//package com.java2s;

import java.util.Calendar;

public class Main {
    /**/*ww w  . j  a va  2 s  .co  m*/
     * Calculates the number of days that the previous month of the given one has
     * 
     * @param a_calendar -> given month
     * @return days of the previous month
     */
    public static int getDaysOfPreviousMonth(Calendar a_calendar) {
        Calendar l_tempCal = Calendar.getInstance();
        l_tempCal.setTimeInMillis(a_calendar.getTimeInMillis());
        l_tempCal.add(Calendar.MONTH, -1);
        return getDaysOfMonth(l_tempCal);
    }

    /**
     * Calculates the number of days that the given month has
     * 
     * @param a_calendar -> given month
     * @return number of days
     */
    @SuppressWarnings("static-access")
    public static int getDaysOfMonth(Calendar a_calendar) {
        Calendar l_tempCal = Calendar.getInstance();
        l_tempCal.setTimeInMillis(a_calendar.getTimeInMillis());
        l_tempCal.set(Calendar.DAY_OF_MONTH, 1);
        return l_tempCal.getActualMaximum(l_tempCal.DAY_OF_MONTH);
    }
}

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