Class ToDateTokenizer

java.lang.Object

org.h2.mode.ToDateTokenizer

final class ToDateTokenizer
extends Object

Emulates Oracle's TO_DATE function. This class knows all about the TO_DATE-format conventions and how to parse the corresponding data.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	ToDateTokenizer.DayParslet	Parslet responsible for parsing day parameter
static enum	ToDateTokenizer.FormatTokenEnum	The format tokens.
(package private) static class	ToDateTokenizer.InlineParslet	Parslet responsible for parsing year parameter
(package private) static class	ToDateTokenizer.MonthParslet	Parslet responsible for parsing month parameter
(package private) static class	ToDateTokenizer.TimeParslet	Parslet responsible for parsing time parameter
(package private) static interface	ToDateTokenizer.ToDateParslet	Interface of the classes that can parse a specialized small bit of the TO_DATE format-string.
(package private) static class	ToDateTokenizer.YearParslet	Parslet responsible for parsing year parameter

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final ToDateTokenizer.DayParslet	PARSLET_DAY	The parslet for a day.
(package private) static final ToDateTokenizer.InlineParslet	PARSLET_INLINE	The inline parslet.
(package private) static final ToDateTokenizer.MonthParslet	PARSLET_MONTH	The parslet for a month.
(package private) static final ToDateTokenizer.TimeParslet	PARSLET_TIME	The parslet for time.
(package private) static final ToDateTokenizer.YearParslet	PARSLET_YEAR	The parslet for a year.
(package private) static final Pattern	PATTERN_AM_PM	The pattern for "am" or "pm".
(package private) static final Pattern	PATTERN_BC_AD	The pattern for "bc" or "ad".
(package private) static final Pattern	PATTERN_FF	The pattern for a fraction (of a second for example).
(package private) static final Pattern	PATTERN_FOUR_DIGITS	The pattern for four digits (typically a year).
(package private) static final Pattern	PATTERN_INLINE	The pattern for a number.
(package private) static final Pattern	PATTERN_NUMBER	The pattern for a number.
(package private) static final Pattern	PATTERN_ONE_DIGIT	The pattern for one digit.
(package private) static final Pattern	PATTERN_THREE_DIGITS	The pattern for three digits.
(package private) static final Pattern	PATTERN_TWO_DIGITS	The pattern for two digits.
(package private) static final Pattern	PATTERN_TWO_DIGITS_OR_LESS	The pattern for one or two digits.
(package private) static final Pattern	PATTERN_TWO_TO_FOUR_DIGITS	The pattern 2-4 digits (e.g.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ToDateTokenizer()

Method Summary

Modifier and Type	Method	Description
(package private) static String	matchStringOrThrow(Pattern p, ToDateParser params, Enum<?> aEnum)	Match the pattern, or if not possible throw an exception.
(package private) static String	setByName(ToDateParser params, int field)	Set the given field in the calendar.
(package private) static void	throwException(ToDateParser params, String errorStr)	Throw a parse exception.

Methods inherited from class Object

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

Field Details

PATTERN_INLINE

static final Pattern PATTERN_INLINE

The pattern for a number.

PATTERN_NUMBER

static final Pattern PATTERN_NUMBER

The pattern for a number.

PATTERN_FOUR_DIGITS

static final Pattern PATTERN_FOUR_DIGITS

The pattern for four digits (typically a year).

PATTERN_TWO_TO_FOUR_DIGITS

static final Pattern PATTERN_TWO_TO_FOUR_DIGITS

The pattern 2-4 digits (e.g. for RRRR).

PATTERN_THREE_DIGITS

static final Pattern PATTERN_THREE_DIGITS

The pattern for three digits.

PATTERN_TWO_DIGITS

static final Pattern PATTERN_TWO_DIGITS

The pattern for two digits.

PATTERN_TWO_DIGITS_OR_LESS

static final Pattern PATTERN_TWO_DIGITS_OR_LESS

The pattern for one or two digits.

PATTERN_ONE_DIGIT

static final Pattern PATTERN_ONE_DIGIT

The pattern for one digit.

PATTERN_FF

static final Pattern PATTERN_FF

The pattern for a fraction (of a second for example).

PATTERN_AM_PM

static final Pattern PATTERN_AM_PM

The pattern for "am" or "pm".

PATTERN_BC_AD

static final Pattern PATTERN_BC_AD

The pattern for "bc" or "ad".

PARSLET_YEAR

static final ToDateTokenizer.YearParslet PARSLET_YEAR

The parslet for a year.

PARSLET_MONTH

static final ToDateTokenizer.MonthParslet PARSLET_MONTH

The parslet for a month.

PARSLET_DAY

static final ToDateTokenizer.DayParslet PARSLET_DAY

The parslet for a day.

PARSLET_TIME

static final ToDateTokenizer.TimeParslet PARSLET_TIME

The parslet for time.

PARSLET_INLINE

static final ToDateTokenizer.InlineParslet PARSLET_INLINE

The inline parslet. E.g. 'YYYY-MM-DD"T"HH24:MI:SS"Z"' where "T" and "Z" are inlined

Constructor Details

ToDateTokenizer

private ToDateTokenizer()

Method Details

matchStringOrThrow

static String matchStringOrThrow(Pattern p,
 ToDateParser params,
 Enum<?> aEnum)

Match the pattern, or if not possible throw an exception.

Parameters:

p - the pattern

params - the parameters with the input string

aEnum - the pattern name

Returns:

the matched value

setByName

static String setByName(ToDateParser params,
 int field)

Set the given field in the calendar.

Parameters:

params - the parameters with the input string

field - the field to set

Returns:

the matched value

throwException

static void throwException(ToDateParser params,
 String errorStr)

Throw a parse exception.

Parameters:

params - the parameters with the input string

errorStr - the error string