com.numericalmethod.suanshu.time
Class JodaTimeUtils

java.lang.Object
  com.numericalmethod.suanshu.time.JodaTimeUtils

public class JodaTimeUtils
extends java.lang.Object

Field Summary

static org.joda.time.DateTime	BEGINNING_OF_TIME This represents a time before all (representable) times.
static long	BEGINNING_OF_TIME_LONG This represents a time before all (representable) times, in long representation.
static org.joda.time.DateTime	ENDING_OF_TIME This represents a time after all (representable) times.
static long	ENDING_OF_TIME_LONG This represents a time after all (representable) times, in long representation.
static org.joda.time.DateTimeZone	EST EST
static org.joda.time.DateTimeZone	GMT GMT
static org.joda.time.DateTimeZone	HONG_KONG Hong Kong
static org.joda.time.DateTimeZone	LONDON London
static org.joda.time.DateTimeZone	NY New York
static org.joda.time.DateTime	ORIGIN a reference time "origin": 1970 January 1, midnight, UTC I
static org.joda.time.DateTimeZone	PARIS Paris
static org.joda.time.DateTimeZone	TOKYO Tokyo

Method Summary

static org.joda.time.DateTime	getDate(int year, int month, int day, org.joda.time.DateTimeZone tz) Construct a DateTime object with year, month, day, and time zone.
static org.joda.time.DateTime	getDateTime(java.lang.String str) Construct a DateTime object from a String which ends in TimeZone specification.
static org.joda.time.DateTime	getDateTime(java.lang.String str, java.text.DateFormat format, org.joda.time.DateTimeZone tz) Construct a DateTime object from a String with no TimeZone specified in the String
static org.joda.time.DateTime	nextWeekDay(org.joda.time.DateTime time) Get the next weekday, i.e., skipping Saturdays and Sundays.
static org.joda.time.DateTime	previousWeekDay(org.joda.time.DateTime time) Get the previous weekday, i.e., skipping Saturdays and Sundays.

Methods inherited from class java.lang.Object

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

Field Detail

NY

public static final org.joda.time.DateTimeZone NY

New York

LONDON

public static final org.joda.time.DateTimeZone LONDON

London

PARIS

public static final org.joda.time.DateTimeZone PARIS

Paris

TOKYO

public static final org.joda.time.DateTimeZone TOKYO

Tokyo

HONG_KONG

public static final org.joda.time.DateTimeZone HONG_KONG

Hong Kong

GMT

public static final org.joda.time.DateTimeZone GMT

GMT

EST

public static final org.joda.time.DateTimeZone EST

EST

ORIGIN

public static final org.joda.time.DateTime ORIGIN

a reference time "origin": 1970 January 1, midnight, UTC I

BEGINNING_OF_TIME

public static final org.joda.time.DateTime BEGINNING_OF_TIME

This represents a time before all (representable) times.

BEGINNING_OF_TIME_LONG

public static final long BEGINNING_OF_TIME_LONG

This represents a time before all (representable) times, in long representation.

ENDING_OF_TIME

public static final org.joda.time.DateTime ENDING_OF_TIME

This represents a time after all (representable) times.

ENDING_OF_TIME_LONG

public static final long ENDING_OF_TIME_LONG

This represents a time after all (representable) times, in long representation.

Method Detail

getDate

public static org.joda.time.DateTime getDate(int year,
                                             int month,
                                             int day,
                                             org.joda.time.DateTimeZone tz)

Construct a DateTime object with year, month, day, and time zone. It is set to mid-night.

Parameters:

year - year

month - month of the year

day - day of the month

tz - time zone

Returns:

a DateTime object

getDateTime

public static org.joda.time.DateTime getDateTime(java.lang.String str)
                                          throws java.text.ParseException

Construct a DateTime object from a String which ends in TimeZone specification.

Parameters:

str - the date-time string

Returns:

a DateTime representation

Throws:

java.text.ParseException

getDateTime

public static org.joda.time.DateTime getDateTime(java.lang.String str,
                                                 java.text.DateFormat format,
                                                 org.joda.time.DateTimeZone tz)
                                          throws java.text.ParseException

Construct a DateTime object from a String with no TimeZone specified in the String

Parameters:

str - the date-time string

format - the formatter

tz - the time zone; null if default time zone

Returns:

a DateTime representation

Throws:

java.text.ParseException

nextWeekDay

public static org.joda.time.DateTime nextWeekDay(org.joda.time.DateTime time)

Get the next weekday, i.e., skipping Saturdays and Sundays.

Parameters:

time - a DateTime

Returns:

next weekday

previousWeekDay

public static org.joda.time.DateTime previousWeekDay(org.joda.time.DateTime time)

Get the previous weekday, i.e., skipping Saturdays and Sundays.

Parameters:

time - a DateTime

Returns:

the previous weekday