Java Calendar Time isSameLocalTime(Calendar cal1, Calendar cal2)

Description

Checks if two calendar objects represent the same local time.

This method compares the values of the fields of the two objects.

License

Apache License

Parameter

Parameter	Description
cal1	the first calendar, not altered, not null
cal2	the second calendar, not altered, not null

Exception

Parameter	Description
IllegalArgumentException	if either date is <code>null</code>

Return

true if they represent the same millisecond instant

Declaration

public static boolean isSameLocalTime(Calendar cal1, Calendar cal2) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.Calendar;
import java.util.Date;

public class Main {
    /**/*from w  ww.  ja  v  a2 s. c o  m*/
     * <p>Checks if two calendar objects represent the same local time.</p>
     *
     * <p>This method compares the values of the fields of the two objects.
     * In addition, both calendars must be the same of the same type.</p>
     * 
     * @param cal1  the first calendar, not altered, not null
     * @param cal2  the second calendar, not altered, not null
     * @return true if they represent the same millisecond instant
     * @throws IllegalArgumentException if either date is <code>null</code>
     * @since 2.1
     */
    public static boolean isSameLocalTime(Calendar cal1, Calendar cal2) {
        if (cal1 == null || cal2 == null) {
            throw new IllegalArgumentException("The date must not be null");
        }
        return (cal1.get(Calendar.MILLISECOND) == cal2.get(Calendar.MILLISECOND)
                && cal1.get(Calendar.SECOND) == cal2.get(Calendar.SECOND)
                && cal1.get(Calendar.MINUTE) == cal2.get(Calendar.MINUTE)
                && cal1.get(Calendar.HOUR) == cal2.get(Calendar.HOUR)
                && cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR)
                && cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
                && cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA) && cal1.getClass() == cal2.getClass());
    }

    public static int get(int field, Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(field);
    }
}

Related

1. isFirstMorning(Calendar time, Calendar previous)
2. isFuture(Calendar time)
3. isMorning(Calendar time)
4. isOverTime(Calendar lastTime, Calendar currentTime, Calendar begTime, Calendar endTime)
5. isSameLocalTime(Calendar cal1, Calendar cal2)
6. isSameTime(final Calendar aCal1, final Calendar aCal2)
7. isSleepTime(Calendar calendar, String sleepTimeStart, String sleepTimeEnd)
8. isTime0(final Calendar calendar)
9. isWorkTime(Calendar calendar, String workTimeStart, String workTimeEnd)