uk.ac.ic.doc.automed.util
Class DateUtil

java.lang.Object
  uk.ac.ic.doc.automed.util.DateUtil

public class DateUtil
extends java.lang.Object

Field Summary

private static java.util.Calendar	_cal
private static java.text.DateFormat	_dateFormat
private static java.text.DateFormat	_iqlDateFormat

Constructor Summary

private

DateUtil()

Method Summary

static java.util.Date	formatIQLDate(java.lang.String ds) Convert an IQL date time string into a Date object
static java.lang.String	getBriefDateString() Return a brief date string of current date Example: 20/7/2006 1:1:1---> 20060720
static java.lang.String	getClockRepresentation(java.util.Date dateObj) Return a standard clock representation of a Date object
static java.lang.String	getClockRepresentation(long numMilliSecs) Return a standard clock representation from the number of millisecs
static java.lang.String	getClockRepresentation(long[] timeElements) Return a standard clock representation of a time value.
static java.util.Date	getCurrentDate() Return the current date/time in a standard format
static java.lang.String	getDate() Return the current date/time in a standard format
static java.util.Date	getDate(long millisecs) Return a date from number of its milli-seconds
static long	getDateAsMillisecs() Return the current date as the number of milli-seconds
static long	getDateAsMillisecs(java.lang.String dstr)
static java.util.Date	getDateInstance(java.lang.String dstr)
static java.lang.String	getDateString() Return a date string of current date Example: 20/7/2006 1:1:1---> 20060720_010101
static java.util.Date	getIQLDateInstance(java.lang.String dstr)
static long	getMilliseconds(java.util.Date dateObj) Convert a Date object into the number of milliseconds from start of the clock
static boolean	isGreaterThanOrEqualTo(java.util.Date date1, java.util.Date date2)
static void	main(java.lang.String[] args)
static long[]	subtractDate(java.util.Date date1, java.util.Date date2) Subtract Date1 from Date2 to return the result as an array of numbers of hours, minutes, and seconds
static long[]	subtractDate(java.util.Date date1, int numDays) Subtract Date1 from Date2 to return the result as an array of numbers of hours, minutes, and seconds
static long[]	subtractDate(long date1AsMillisecs, long date2AsMillisecs) Subtract Date1 from Date2 to return the result as an array of numbers of hours, minutes, and seconds

Methods inherited from class java.lang.Object

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

Field Detail

_cal

private static java.util.Calendar _cal

_dateFormat

private static java.text.DateFormat _dateFormat

_iqlDateFormat

private static java.text.DateFormat _iqlDateFormat

Constructor Detail

DateUtil

private DateUtil()

Method Detail

formatIQLDate

public static java.util.Date formatIQLDate(java.lang.String ds)

Convert an IQL date time string into a Date object

subtractDate

public static long[] subtractDate(java.util.Date date1,
                                  java.util.Date date2)

Subtract Date1 from Date2 to return the result as an array of numbers of hours, minutes, and seconds

Parameters:

date1 - Date object to be subtracted

date2 - Date object to be subtracted from (i.e. date2 - date1)

Returns:

long[] a long-type array of hours, minutes and seconds

isGreaterThanOrEqualTo

public static boolean isGreaterThanOrEqualTo(java.util.Date date1,
                                             java.util.Date date2)

subtractDate

public static long[] subtractDate(java.util.Date date1,
                                  int numDays)

Subtract Date1 from Date2 to return the result as an array of numbers of hours, minutes, and seconds

Parameters:

date1 - Date object to be subtracted

numDays - the number of days to be subtracted from date1

Returns:

long[] a long-type array of hours, minutes and seconds

subtractDate

public static long[] subtractDate(long date1AsMillisecs,
                                  long date2AsMillisecs)

Subtract Date1 from Date2 to return the result as an array of numbers of hours, minutes, and seconds

Parameters:

date1 - first date as the number of millseconds

date2 - second date as the number of millseconds

Returns:

long[] a long-type array of hours, minutes and seconds

getDate

public static java.lang.String getDate()

Return the current date/time in a standard format

Parameters:

String - date/time string

getCurrentDate

public static java.util.Date getCurrentDate()

Return the current date/time in a standard format

Parameters:

String - date/time string

getDateAsMillisecs

public static long getDateAsMillisecs()

Return the current date as the number of milli-seconds

getDateAsMillisecs

public static long getDateAsMillisecs(java.lang.String dstr)

getDate

public static java.util.Date getDate(long millisecs)

Return a date from number of its milli-seconds

getDateString

public static java.lang.String getDateString()

Return a date string of current date
Example: 20/7/2006 1:1:1---> 20060720_010101

getBriefDateString

public static java.lang.String getBriefDateString()

Return a brief date string of current date
Example: 20/7/2006 1:1:1---> 20060720

getMilliseconds

public static long getMilliseconds(java.util.Date dateObj)

Convert a Date object into the number of milliseconds from start of the clock

getClockRepresentation

public static java.lang.String getClockRepresentation(long numMilliSecs)

Return a standard clock representation from the number of millisecs

getClockRepresentation

public static java.lang.String getClockRepresentation(java.util.Date dateObj)

Return a standard clock representation of a Date object

getClockRepresentation

public static java.lang.String getClockRepresentation(long[] timeElements)

Return a standard clock representation of a time value. For example, this
method represents a time value of 2 hours, 30 minutes and 33 seconds as
02:30:33. It is a useful representation for age-time.

Parameters:

{@link - long}[] an array of time elements, typically the number of hours,
minutes and seconds

Returns:

String the clock representation of time value

main

public static void main(java.lang.String[] args)

getDateInstance

public static java.util.Date getDateInstance(java.lang.String dstr)

getIQLDateInstance

public static java.util.Date getIQLDateInstance(java.lang.String dstr)