ucar.unidata.util
Class DatePattern

java.lang.Object
  ucar.unidata.util.DatePattern

public class DatePattern
extends Object

handle user defined simple date/time patterns (such as yyyymm hh:nn)

Version:

$Revision: 1.54 $

Author:

Willem Nieuwenhuis

Nested Class Summary

class

DatePattern.DmyPattern

Constructor Summary

DatePattern(String dmtpat)
Constructor: creates a regular expression to extract a date based on a template.

Method Summary

int	get(char field) Retrieve the value of the field.
DateTime	getDateTime()
String	getRegex() Get the regular expression that is generated from the template
List<Character>	getValidFields() Return the fields for which the template matched the search string.
static void	main(String[] args)
boolean	match(String search) Match a search string against the compile pattern.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatePattern

public DatePattern(String dmtpat)

Constructor: creates a regular expression to extract a date based on a template. The template uses date/time elements only (numerically only!):

y, Y : Year

m, M : Month

d, D : Day

h, H : Hour

n, N : Minute (m is already in use for MONTH)

s, S : Seconds

Parameters:

dmtpat - the user defined date/time pattern

Method Detail

getValidFields

public List<Character> getValidFields()

Return the fields for which the template matched the search string. For example the template 'yyyymm' applied to the search string 'GLR200704' will return [YEAR, MONTH].

Returns:

The list with found fields

get

public int get(char field)

Retrieve the value of the field. If no value was parsed the value will be -1. Recognized field values are:

YEAR

MONTH

DAY

HOUR

MINUTE

SECOND

Parameters:

field - the field to retrieve the value for

Returns:

the value of the field

match

public boolean match(String search)

Match a search string against the compile pattern.

Parameters:

search - the search string

Returns:

true if there is a match

getRegex

public String getRegex()

Get the regular expression that is generated from the template

Returns:

The regular expression

getDateTime

public DateTime getDateTime()

Returns:

the date / time of the latest match() call

main

public static void main(String[] args)