oracle.i18n.text
Class OraDateFormat

java.lang.Object
  |
  +--java.text.Format
        |
        +--oracle.i18n.text.OraDateFormat

All Implemented Interfaces:

Cloneable, Serializable

Direct Known Subclasses:

OraSimpleDateFormat

public abstract class OraDateFormat

extends Format

The OraDateFormat class is an abstract class to do locale-sensitive formatting and parsing between date/time and string. It supports Oracle date/time formatting behavior.

See Also:

OraSimpleDateFormat, Serialized Form

Nested Class Summary

Nested classes inherited from class java.text.Format

Format.Field

Field Summary

static int	ALL_FIELD Constant for ALL_FIELD alignment.
static int	AM_PM_FIELD Constant for AM_PM_FIELD alignment.
protected Calendar	calendar The calendar that this OraDateFormat object uses to calculate the date/time field values.
static int	CENTRY_FIELD Constant for CENTRY_FIELD alignment.
static int	DATE_FIELD Constant for DATE_FIELD alignment.
static int	DAY_OF_WEEK_FIELD Constant for DAY_OF_WEEK_FIELD alignment.
static int	DAY_OF_YEAR_FIELD Constant for DAY_OF_YEAR_FIELD alignment.
static int	DEFAULT Constant for DEFAULT format style.
static int	ERA_FIELD Constant for ERA_FIELD alignment.
static int	HOUR_FIELD Constant for HOUR_FIELD alignment.
static int	HOUR_OF_DAY_FIELD Constant for HOUR_OF_DAY_FIELD alignment.
static int	ISO_WEEK_OF_YEAR_FIELD Constant for ISO_WEEK_OF_YEAR_FIELD alignment.
static int	ISO_YEAR_FIELD Constant for ISO_YEAR_FIELD alignment.
static int	JULIAN_DAY_FIELD Constant for JULIAN_DAY_FIELD alignment.
static int	LONG Constant for date LONG format style.
static int	MILLISECOND_FIELD Constant for MILLISECOND_FIELD alignment.
static int	MINUTE_FIELD Constant for MINUTE_FIELD alignment.
static int	MONTH_FIELD Constant for MONTH_FIELD alignment.
static int	QUARTER_OF_YEAR_FIELD Constant for QUARTER_OF_YEAR_FIELD alignment.
static int	SECOND_FIELD Constant for SECOND_FIELD alignment.
static int	SECONDS_FIELD Constant for SECONDS_FIELD alignment.
static int	SHORT Constant for date/time SHORT format style.
static int	TEXT_FIELD Constant for TEXT_FIELD alignment.
static int	TIMEZONE_FIELD Constant for TIMEZONE_FIELD alignment.
static int	WEEK_OF_MONTH_FIELD Constant for WEEK_OF_MONTH_FIELD alignment.
static int	WEEK_OF_YEAR_FIELD Constant for WEEK_OF_YEAR_FIELD alignment.
static int	YEAR_FIELD Constant for YEAR_FIELD alignment.

Constructor Summary

OraDateFormat()

Method Summary

Object	clone() Overrides the clone method.
boolean	equals(Object obj) Overrides the equals method.
String	format(Date date) Formats a Date object into a date/time string.
abstract StringBuffer	format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition) Formats a Date object into a date/time string.
StringBuffer	format(Object obj, StringBuffer toAppendTo, FieldPosition fieldPosition) Formats an object into a date/time string.
Calendar	getCalendar() Returns the calendar associated with this date/time formatter.
static oracle.i18n.text.OraDateFormat	getDateInstance() Returns a date formatter that uses the default date formatting style for the default locale.
static oracle.i18n.text.OraDateFormat	getDateInstance(int style) Returns a date formatter that uses the given date formatting style for the default locale.
static oracle.i18n.text.OraDateFormat	getDateInstance(int style, Locale locale) Returns a date formatter that uses the given date formatting style for the given locale.
static oracle.i18n.text.OraDateFormat	getDateInstance(int style, oracle.i18n.util.OraLocaleInfo localeInfo) Returns a date formatter that uses the given date formatting style for the given OraLocaleInfo object.
static oracle.i18n.text.OraDateFormat	getDateTimeInstance() Returns a date/time formatter that uses the default date/time formatting style for the default locale.
static oracle.i18n.text.OraDateFormat	getDateTimeInstance(int dateStyle) Returns a date/time formatter that uses the given date formatting style and the default time formatting style for the default locale.
static oracle.i18n.text.OraDateFormat	getDateTimeInstance(int dateStyle, Locale locale) Returns a date/time formatter that uses the given date formatting style and the default time formatting style for the given locale.
static oracle.i18n.text.OraDateFormat	getDateTimeInstance(int dateStyle, oracle.i18n.util.OraLocaleInfo localeInfo) Returns a date/time formatter that uses the given date formatting style and the default time formatting style for the given OraLocaleInfo object.
static String	getDefaultDateFormatPattern(int style, Locale locale) Returns the default date format pattern for the given date formatting style and the given locale.
static String	getDefaultDateFormatPattern(int style, oracle.i18n.util.OraLocaleInfo localeInfo) Returns the default date format pattern for the given date formatting style and the given OraLocaleInfo object.
static String	getDefaultDateTimeFormatPattern(int dateStyle, Locale locale) Returns the default date/time format pattern for the given date formatting style and the given locale.
static String	getDefaultDateTimeFormatPattern(int dateStyle, oracle.i18n.util.OraLocaleInfo localeInfo) Returns the default date/time format pattern for the given date formatting style and the given OraLocaleInfo object.
static String	getDefaultTimeFormatPattern(Locale locale) Returns the default time format pattern for the given locale.
static String	getDefaultTimeFormatPattern(oracle.i18n.util.OraLocaleInfo localeInfo) Returns the default time format pattern for the given OraLocaleInfo object.
static oracle.i18n.text.OraDateFormat	getInstance() Returns a date/time formatter that uses the default date/time formatting style for the default locale.
static oracle.i18n.text.OraDateFormat	getTimeInstance() Returns a time formatter that uses the default time formatting style for the default locale.
static oracle.i18n.text.OraDateFormat	getTimeInstance(Locale locale) Returns a time formatter for the given locale.
static oracle.i18n.text.OraDateFormat	getTimeInstance(oracle.i18n.util.OraLocaleInfo localeInfo) Returns a time formatter for the given OraLocaleInfo object.
TimeZone	getTimeZone() Returns the time zone associated with the calendar of this formatter.
Date	parse(String text) Parses a date/time string into a date.
abstract Date	parse(String text, ParsePosition pos) Parses a date/time string into a date, starting from the given parse position.
Object	parseObject(String text, ParsePosition pos) Parses a date/time string into a (Date) object, starting from the given parse position.
void	setCalendar(Calendar calendar) Sets the given calendar to be used by this date/time formatter.
void	setTimeZone(TimeZone timezone) Sets the given time zone to be used by the calendar of this formatter.

Methods inherited from class java.text.Format

format, formatToCharacterIterator, parseObject

Methods inherited from class java.lang.Object

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

Field Detail

ERA_FIELD

public static final int ERA_FIELD

Constant for ERA_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

YEAR_FIELD

public static final int YEAR_FIELD

Constant for YEAR_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

MONTH_FIELD

public static final int MONTH_FIELD

Constant for MONTH_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

DATE_FIELD

public static final int DATE_FIELD

Constant for DATE_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

HOUR_OF_DAY_FIELD

public static final int HOUR_OF_DAY_FIELD

Constant for HOUR_OF_DAY_FIELD alignment. Used to specify the field position for formatting. The HOUR_OF_DAY_FIELD is used for zero-base, 24-hour clock (0 ~ 23).

See Also:

Constant Field Values

MINUTE_FIELD

public static final int MINUTE_FIELD

Constant for MINUTE_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

SECOND_FIELD

public static final int SECOND_FIELD

Constant for SECOND_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

MILLISECOND_FIELD

public static final int MILLISECOND_FIELD

Constant for MILLISECOND_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

DAY_OF_WEEK_FIELD

public static final int DAY_OF_WEEK_FIELD

Constant for DAY_OF_WEEK_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

DAY_OF_YEAR_FIELD

public static final int DAY_OF_YEAR_FIELD

Constant for DAY_OF_YEAR_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

WEEK_OF_YEAR_FIELD

public static final int WEEK_OF_YEAR_FIELD

Constant for WEEK_OF_YEAR_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

WEEK_OF_MONTH_FIELD

public static final int WEEK_OF_MONTH_FIELD

Constant for WEEK_OF_MONTH_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

AM_PM_FIELD

public static final int AM_PM_FIELD

Constant for AM_PM_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

HOUR_FIELD

public static final int HOUR_FIELD

Constant for HOUR_FIELD alignment. Used to specify the field position for formatting. The HOUR_FIELD is used for one-base, 12-hour clock (1 ~ 12).

See Also:

Constant Field Values

TIMEZONE_FIELD

public static final int TIMEZONE_FIELD

Constant for TIMEZONE_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

ALL_FIELD

public static final int ALL_FIELD

Constant for ALL_FIELD alignment. Used to specify the field position for formatting. The ALL_FIELD is used to indicate all fields specified in a format pattern.

See Also:

Constant Field Values

CENTRY_FIELD

public static final int CENTRY_FIELD

Constant for CENTRY_FIELD alignment. Used to specify the field position for formatting. Centry is one greater than the first two digits of a four-digit year.

See Also:

Constant Field Values

JULIAN_DAY_FIELD

public static final int JULIAN_DAY_FIELD

Constant for JULIAN_DAY_FIELD alignment. Used to specify the field position for formatting. The Julian day is number of days since January 1, 4712 BC.

See Also:

Constant Field Values

QUARTER_OF_YEAR_FIELD

public static final int QUARTER_OF_YEAR_FIELD

Constant for QUARTER_OF_YEAR_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

SECONDS_FIELD

public static final int SECONDS_FIELD

Constant for SECONDS_FIELD alignment. Used to specify the field position for formatting. The SECONDS_FIELD is for number of seconds past midnight.

See Also:

Constant Field Values

TEXT_FIELD

public static final int TEXT_FIELD

Constant for TEXT_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

ISO_YEAR_FIELD

public static final int ISO_YEAR_FIELD

Constant for ISO_YEAR_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

ISO_WEEK_OF_YEAR_FIELD

public static final int ISO_WEEK_OF_YEAR_FIELD

Constant for ISO_WEEK_OF_YEAR_FIELD alignment. Used to specify the field position for formatting.

See Also:

Constant Field Values

SHORT

public static final int SHORT

Constant for date/time SHORT format style.

See Also:

Constant Field Values

LONG

public static final int LONG

Constant for date LONG format style.

See Also:

Constant Field Values

DEFAULT

public static final int DEFAULT

Constant for DEFAULT format style. For date, it is equivalent to Oracle server default date format. For time, it is equivalent to the time SHORT format style.

See Also:

Constant Field Values

calendar

protected Calendar calendar

The calendar that this OraDateFormat object uses to calculate the date/time field values. Subclasses should initialize the calendar object accordingly based on the locale associated with this OraDateFormat object.

Constructor Detail

OraDateFormat

public OraDateFormat()

Method Detail

getDateInstance

public static final oracle.i18n.text.OraDateFormat getDateInstance()

Returns a date formatter that uses the default date formatting style for the default locale.

Returns:

a date formatter

getDateInstance

public static final oracle.i18n.text.OraDateFormat getDateInstance(int style)

Returns a date formatter that uses the given date formatting style for the default locale.

Parameters:

style - the given date formatting style; options are SHORT, LONG or DEFAULT

Returns:

a date formatter

getDateInstance

public static final oracle.i18n.text.OraDateFormat getDateInstance(int style,
                                                                   Locale locale)

Returns a date formatter that uses the given date formatting style for the given locale.

Parameters:

style - the given date formatting style; options are SHORT, LONG or DEFAULT

locale - the given locale

Returns:

a date formatter

getDateInstance

public static final oracle.i18n.text.OraDateFormat getDateInstance(int style,
                                                                   oracle.i18n.util.OraLocaleInfo localeInfo)

Returns a date formatter that uses the given date formatting style for the given OraLocaleInfo object.

Parameters:

style - the given date formatting style; options are SHORT, LONG or DEFAULT

localeInfo - the given OraLocaleInfo object

Returns:

a date formatter

Throws:

IllegalArgumentException - if the given date formatting style is invalid

getDateTimeInstance

public static final oracle.i18n.text.OraDateFormat getDateTimeInstance()

Returns a date/time formatter that uses the default date/time formatting style for the default locale.

Returns:

a date/time formatter

getDateTimeInstance

public static final oracle.i18n.text.OraDateFormat getDateTimeInstance(int dateStyle)

Returns a date/time formatter that uses the given date formatting style and the default time formatting style for the default locale.

Parameters:

dateStyle - the given date formatting style; options are SHORT, LONG or DEFAULT

Returns:

a date/time formatter

getDateTimeInstance

public static final oracle.i18n.text.OraDateFormat getDateTimeInstance(int dateStyle,
                                                                       Locale locale)

Returns a date/time formatter that uses the given date formatting style and the default time formatting style for the given locale.

Parameters:

dateStyle - the given date formatting style; options are SHORT, LONG or DEFAULT

locale - the given locale

Returns:

a date/time formatter

getDateTimeInstance

public static final oracle.i18n.text.OraDateFormat getDateTimeInstance(int dateStyle,
                                                                       oracle.i18n.util.OraLocaleInfo localeInfo)

Returns a date/time formatter that uses the given date formatting style and the default time formatting style for the given OraLocaleInfo object.

Parameters:

dateStyle - the given date formatting style; options are SHORT, LONG or DEFAULT

localeInfo - the given OraLocaleInfo object

Returns:

a date/time formatter

Throws:

IllegalArgumentException - if the given date formatting style is invalid

getInstance

public static final oracle.i18n.text.OraDateFormat getInstance()

Returns a date/time formatter that uses the default date/time formatting style for the default locale.

Returns:

a date/time formatter

getTimeInstance

public static final oracle.i18n.text.OraDateFormat getTimeInstance()

Returns a time formatter that uses the default time formatting style for the default locale.

Returns:

a time formatter

getTimeInstance

public static final oracle.i18n.text.OraDateFormat getTimeInstance(Locale locale)

Returns a time formatter for the given locale.

Parameters:

locale - the given locale

Returns:

a time formatter

getTimeInstance

public static final oracle.i18n.text.OraDateFormat getTimeInstance(oracle.i18n.util.OraLocaleInfo localeInfo)

Returns a time formatter for the given OraLocaleInfo object.

Parameters:

localeInfo - the given OraLocaleInfo object

Returns:

a time formatter

format

public final String format(Date date)

Formats a Date object into a date/time string.

Parameters:

date - the date/time object to be formatted into a date/time string

Returns:

the formatted date/time string

format

public abstract StringBuffer format(Date date,
                                    StringBuffer toAppendTo,
                                    FieldPosition fieldPosition)

Formats a Date object into a date/time string. Sets field position if it is needed.

Parameters:

date - the date/time object to be formatted into a date/time string.

toAppendTo - the string buffer to be appended with the formatted date/time string.

fieldPosition - to be used to get offsets of a given field in the returned string buffer. On input, the alignment field of which the offsets are to be returned. On output, the offsets of the alignment field in the returned string buffer.

Returns:

the string buffer appended with the formatted date/time string

format

public final StringBuffer format(Object obj,
                                 StringBuffer toAppendTo,
                                 FieldPosition fieldPosition)

Formats an object into a date/time string. Sets field position if it is needed.

Specified by:

format in class Format

Parameters:

obj - the object to be formatted into a date/time string. It must be an instance of Date or Number class.

toAppendTo - the string buffer to be appended with the formatted date/time string.

fieldPosition - to be used to get offsets of a given field in the returned string buffer. On input, the alignment field of which the offsets are to be returned. On output, the offsets of the alignment field in the returned string buffer.

Returns:

the string buffer appended with the formatted date/time string

Throws:

IllegalArgumentException - if the given object is neither an instance of Date class nor an instance of Number class

parse

public Date parse(String text)
           throws ParseException

Parses a date/time string into a date.

Parameters:

text - the date/time string to be parsed

Returns:

a Date object corresponding to the date/time string

Throws:

ParseException - if the format pattern associated with this formatter is not valid for parsing or the given date/time string cannot be parsed into a Date object

parse

public abstract Date parse(String text,
                           ParsePosition pos)

Parses a date/time string into a date, starting from the given parse position.

Parameters:

text - the date/time string.

pos - indicates where to start the parsing on input. On output, returns where the parse ends if parsing succeeds, or the start index if it fails.

Returns:

a Date object

parseObject

public Object parseObject(String text,
                          ParsePosition pos)

Parses a date/time string into a (Date) object, starting from the given parse position. It is a convenient method which simply calls the parse(String, ParsePostion) method.

Specified by:

parseObject in class Format

See Also:

parse(String, ParsePosition)

getDefaultDateFormatPattern

public static String getDefaultDateFormatPattern(int style,
                                                 Locale locale)

Returns the default date format pattern for the given date formatting style and the given locale.

Parameters:

style - the given date formatting style

locale - the given locale

Returns:

the default date format pattern

getDefaultDateFormatPattern

public static String getDefaultDateFormatPattern(int style,
                                                 oracle.i18n.util.OraLocaleInfo localeInfo)

Returns the default date format pattern for the given date formatting style and the given OraLocaleInfo object.

Parameters:

style - the given date formatting style

localeInfo - the given OraLocaleInfo object

Returns:

the default date format pattern

getDefaultDateTimeFormatPattern

public static String getDefaultDateTimeFormatPattern(int dateStyle,
                                                     Locale locale)

Returns the default date/time format pattern for the given date formatting style and the given locale.

Parameters:

dateStyle - the given date formatting style

locale - the given locale

Returns:

the default date/time format pattern

getDefaultDateTimeFormatPattern

public static String getDefaultDateTimeFormatPattern(int dateStyle,
                                                     oracle.i18n.util.OraLocaleInfo localeInfo)

Returns the default date/time format pattern for the given date formatting style and the given OraLocaleInfo object.

Parameters:

dateStyle - the given date formatting style

localeInfo - the given OraLocaleInfo object

Returns:

the default date/time format pattern

getDefaultTimeFormatPattern

public static String getDefaultTimeFormatPattern(Locale locale)

Returns the default time format pattern for the given locale.

Parameters:

locale - the given locale

Returns:

the default time format pattern

getDefaultTimeFormatPattern

public static String getDefaultTimeFormatPattern(oracle.i18n.util.OraLocaleInfo localeInfo)

Returns the default time format pattern for the given OraLocaleInfo object.

Parameters:

localeInfo - the given OraLocaleInfo object

Returns:

the default time format pattern

getCalendar

public Calendar getCalendar()

Returns the calendar associated with this date/time formatter.

Returns:

the Calendar object associated with this formatter

setCalendar

public void setCalendar(Calendar calendar)

Sets the given calendar to be used by this date/time formatter.

Parameters:

calendar - the given Calendar object to be used by this formatter

getTimeZone

public TimeZone getTimeZone()

Returns the time zone associated with the calendar of this formatter.

Returns:

the TimeZone object associated with the calendar of this formatter

setTimeZone

public void setTimeZone(TimeZone timezone)

Sets the given time zone to be used by the calendar of this formatter.

Parameters:

timezone - the given TimeZone object to be used by the calendar of this formatter

clone

public Object clone()

Overrides the clone method.

Overrides:

clone in class Format

Returns:

a cloned object

equals

public boolean equals(Object obj)

Overrides the equals method.

Overrides:

equals in class Object

Parameters:

obj - an object to be compared

Returns:

true if two objects are identical, otherwise false