org.greenrobot.essentials

Class DateUtils

java.lang.Object

org.greenrobot.essentials.DateUtils

public class DateUtils
extends java.lang.Object

Simple Date and time utils.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DateUtils.DefaultCalendarThreadLocal Calendar objects are rather expensive: for heavy usage it's a good idea to use a single instance per thread instead of calling Calendar.getInstance() multiple times.

Constructor Summary

Constructors

Constructor and Description
DateUtils()

Method Summary

Modifier and Type	Method and Description
static void	addDays(java.util.Calendar calendar, int days)
static long	addDays(long time, int days)
static int	getDayAsReadableInt(java.util.Calendar calendar) Readable yyyyMMdd representation of a day, which is also sortable.
static int	getDayAsReadableInt(long time) Readable yyyyMMdd int representation of a day, which is also sortable.
static int	getDayDifference(long time1, long time2)
static int	getDayDifferenceOfReadableInts(int dayOfBroadcast1, int dayOfBroadcast2)
static long	getTimeForDay(java.util.Calendar calendar, int year, int month, int day)
static long	getTimeForDay(int year, int month, int day)
static long	getTimeFromDayReadableInt(java.util.Calendar calendar, int readableDay, int hour)
static long	getTimeFromDayReadableInt(int day) Returns midnight of the given day.
static void	setTime(java.util.Calendar calendar, int hourOfDay, int minute, int second, int millisecond) Sets hour, minutes, seconds and milliseconds to the given values.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DateUtils

public DateUtils()

Method Detail

getTimeForDay

public static long getTimeForDay(int year,
                                 int month,
                                 int day)

getTimeForDay

public static long getTimeForDay(java.util.Calendar calendar,
                                 int year,
                                 int month,
                                 int day)

Parameters:

calendar - helper object needed for conversion

setTime

public static void setTime(java.util.Calendar calendar,
                           int hourOfDay,
                           int minute,
                           int second,
                           int millisecond)

Sets hour, minutes, seconds and milliseconds to the given values. Leaves date info untouched.

getDayAsReadableInt

public static int getDayAsReadableInt(long time)

Readable yyyyMMdd int representation of a day, which is also sortable.

getDayAsReadableInt

public static int getDayAsReadableInt(java.util.Calendar calendar)

Readable yyyyMMdd representation of a day, which is also sortable.

getTimeFromDayReadableInt

public static long getTimeFromDayReadableInt(int day)

Returns midnight of the given day.

getTimeFromDayReadableInt

public static long getTimeFromDayReadableInt(java.util.Calendar calendar,
                                             int readableDay,
                                             int hour)

Parameters:

calendar - helper object needed for conversion

getDayDifferenceOfReadableInts

public static int getDayDifferenceOfReadableInts(int dayOfBroadcast1,
                                                 int dayOfBroadcast2)

getDayDifference

public static int getDayDifference(long time1,
                                   long time2)

addDays

public static long addDays(long time,
                           int days)

addDays

public static void addDays(java.util.Calendar calendar,
                           int days)