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## org.apache.xalan.lib
Class ExsltDatetime

    java.lang.Object
      |
      +--org.apache.xalan.lib.ExsltDatetime

public class ExsltDatetime
extends java.lang.Object

This class contains EXSLT dates and times extension functions. It is accessed by specifying a namespace URI as follows:

        xmlns:datetime="http://exslt.org/dates-and-times"

The documentation for each function has been copied from the relevant EXSLT Implementer page.

See Also:
  EXSLT
Usage:

Constructor Summary
`ExsltDatetime()`

Method Summary
`static java.lang.String` | `date()` See above.
`static java.lang.String` | `date(java.lang.String datetimeIn)` The date:date function returns the date specified in the date/time string given as the argument.
`static java.lang.String` | `dateTime()` The date:date-time function returns the current date and time as a date/time string.
`static java.lang.String` | `dayAbbreviation()` See above.
`static java.lang.String` | `dayAbbreviation(java.lang.String datetimeIn)` The date:day-abbreviation function returns the abbreviation of the day of the week of a date.
`static double` | `dayInMonth()` See above.
`static double` | `dayInMonth(java.lang.String datetimeIn)` The date:day-in-month function returns the day of a date as a number.
`static double` | `dayInWeek()` See above.
`static double` | `dayInWeek(java.lang.String datetimeIn)` The date:day-in-week function returns the day of the week given in a date as a number.
`static double` | `dayInYear()` See above.
`static double` | `dayInYear(java.lang.String datetimeIn)` The date:day-in-year function returns the day of a date in a year as a number.
`static java.lang.String` | `dayName()` See above.
`static java.lang.String` | `dayName(java.lang.String datetimeIn)` The date:day-name function returns the full name of the day of the week of a date.
`static double` | `dayOfWeekInMonth()` See above.
`static double` | `dayOfWeekInMonth(java.lang.String datetimeIn)` The date:day-of-week-in-month function returns the day-of-the-week in a month of a date as a number (e.g.
`static java.lang.String` | `formatDate(java.lang.String dateTime, java.lang.String pattern)` The date:format-date function formats a date/time according to a pattern.
`static double` | `hourInDay()` See above.
`static double` | `hourInDay(java.lang.String datetimeIn)` The date:hour-in-day function returns the hour of the day as a number.
`static boolean` | `leapYear()` See above.
`static XObject` | `leapYear(java.lang.String datetimeIn)` The date:leap-year function returns true if the year given in a date is a leap year.
`static double` | `minuteInHour()` See above.
`static double` | `minuteInHour(java.lang.String datetimeIn)` The date:minute-in-hour function returns the minute of the hour as a number.
`static java.lang.String` | `monthAbbreviation()` See above.
`static java.lang.String` | `monthAbbreviation(java.lang.String datetimeIn)` The date:month-abbreviation function returns the abbreviation of the month of a date.
`static double` | `monthInYear()` See above.
`static double` | `monthInYear(java.lang.String datetimeIn)` The date:month-in-year function returns the month of a date as a number.
`static java.lang.String` | `monthName()` See above.
`static java.lang.String` | `monthName(java.lang.String datetimeIn)` The date:month-name function returns the full name of the month of a date.
`static double` | `secondInMinute()` See above.
`static double` | `secondInMinute(java.lang.String datetimeIn)` The date:second-in-minute function returns the second of the minute as a number.
`static java.lang.String` | `time()` See above.
`static java.lang.String` | `time(java.lang.String timeIn)` The date:time function returns the time specified in the date/time string given as the argument.
`static double` | `weekInYear()` See above.
`static double` | `weekInYear(java.lang.String datetimeIn)` The date:week-in-year function returns the week of the year as a number.
`static double` | `year()` See above.
`static double` | `year(java.lang.String datetimeIn)` The date:year function returns the year of a date as a number.

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ExsltDatetime

    public ExsltDatetime()

Method Detail

### dateTime

    public static java.lang.String dateTime()

  The date:date-time function returns the current date and time as a date/time string. The date/time string that's returned must be a string in the format defined as the lexical representation of xs:dateTime in [3.2.7 dateTime] of [XML Schema Part 2: Datatypes]. The date/time format is basically CCYY-MM-DDThh:mm:ss, although implementers should consult [XML Schema Part 2: Datatypes] and [ISO 8601] for details. The date/time string format must include a time zone, either a Z to indicate Coordinated Universal Time or a + or - followed by the difference between the difference from UTC represented as hh:mm.

### date

    public static java.lang.String date(java.lang.String datetimeIn)
                                 throws java.text.ParseException

  The date:date function returns the date specified in the date/time string given as the argument. If no argument is given, then the current local date/time, as returned by date:date-time is used as a default argument. The date/time string that's returned must be a string in the format defined as the lexical representation of xs:dateTime in [3.2.7 dateTime] of [XML Schema Part 2: Datatypes]. If the argument is not in either of these formats, date:date returns an empty string (''). The date/time format is basically CCYY-MM-DDThh:mm:ss, although implementers should consult [XML Schema Part 2: Datatypes] and [ISO 8601] for details. The date is returned as a string with a lexical representation as defined for xs:date in [3.2.9 date] of [XML Schema Part 2: Datatypes]. The date format is basically CCYY-MM-DD, although implementers should consult [XML Schema Part 2: Datatypes] and [ISO 8601] for details. If no argument is given or the argument date/time specifies a time zone, then the date string format must include a time zone, either a Z to indicate Coordinated Universal Time or a + or - followed by the difference between the difference from UTC represented as hh:mm. If an argument is specified and it does not specify a time zone, then the date string format must not include a time zone.

### date

    public static java.lang.String date()

  See above.

### time

    public static java.lang.String time(java.lang.String timeIn)
                                 throws java.text.ParseException

  The date:time function returns the time specified in the date/time string given as the argument. If no argument is given, then the current local date/time, as returned by date:date-time is used as a default argument. The date/time string that's returned must be a string in the format defined as the lexical representation of xs:dateTime in [3.2.7 dateTime] of [XML Schema Part 2: Datatypes]. If the argument string is not in this format, date:time returns an empty string (''). The date/time format is basically CCYY-MM-DDThh:mm:ss, although implementers should consult [XML Schema Part 2: Datatypes] and [ISO 8601] for details. The date is returned as a string with a lexical representation as defined for xs:time in [3.2.8 time] of [XML Schema Part 2: Datatypes]. The time format is basically hh:mm:ss, although implementers should consult [XML Schema Part 2: Datatypes] and [ISO 8601] for details. If no argument is given or the argument date/time specifies a time zone, then the time string format must include a time zone, either a Z to indicate Coordinated Universal Time or a + or - followed by the difference between the difference from UTC represented as hh:mm. If an argument is specified and it does not specify a time zone, then the time string format must not include a time zone.

### time

    public static java.lang.String time()

  See above.

### year

    public static double year(java.lang.String datetimeIn)
                       throws java.text.ParseException

  The date:year function returns the year of a date as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used as a default argument. The date/time string specified as the first argument must be a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) xs:gYearMonth (CCYY-MM) xs:gYear (CCYY) If the date/time string is not in one of these formats, then NaN is returned.

### year

    public static double year()

  See above.

### monthInYear

    public static double monthInYear(java.lang.String datetimeIn)
                              throws java.text.ParseException

  The date:month-in-year function returns the month of a date as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used as a default argument. The date/time string specified as the first argument is a left or right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) xs:gYearMonth (CCYY-MM) xs:gMonth (--MM--) xs:gMonthDay (--MM-DD) If the date/time string is not in one of these formats, then NaN is returned.

### monthInYear

    public static double monthInYear()

  See above.

### weekInYear

    public static double weekInYear(java.lang.String datetimeIn)
                             throws java.text.ParseException

  The date:week-in-year function returns the week of the year as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used as the default argument. For the purposes of numbering, counting follows ISO 8601: week 1 in a year is the week containing the first Thursday of the year, with new weeks beginning on a Monday. The date/time string specified as the argument is a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) If the date/time string is not in one of these formats, then NaN is returned.

### weekInYear

    public static double weekInYear()

  See above.

### dayInYear

    public static double dayInYear(java.lang.String datetimeIn)
                            throws java.text.ParseException

  The date:day-in-year function returns the day of a date in a year as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) If the date/time string is not in one of these formats, then NaN is returned.

### dayInYear

    public static double dayInYear()

  See above.

### dayInMonth

    public static double dayInMonth(java.lang.String datetimeIn)
                             throws java.text.ParseException

  The date:day-in-month function returns the day of a date as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a left or right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) xs:gMonthDay (--MM-DD) xs:gDay (---DD) If the date/time string is not in one of these formats, then NaN is returned.

### dayInMonth

    public static double dayInMonth()

  See above.

### dayOfWeekInMonth

    public static double dayOfWeekInMonth(java.lang.String datetimeIn)
                                   throws java.text.ParseException

  The date:day-of-week-in-month function returns the day-of-the-week in a month of a date as a number (e.g. 3 for the 3rd Tuesday in May). If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) If the date/time string is not in one of these formats, then NaN is returned.

### dayOfWeekInMonth

    public static double dayOfWeekInMonth()

  See above.

### dayInWeek

    public static double dayInWeek(java.lang.String datetimeIn)
                            throws java.text.ParseException

  The date:day-in-week function returns the day of the week given in a date as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) If the date/time string is not in one of these formats, then NaN is returned. The numbering of days of the week starts at 1 for Sunday, 2 for Monday and so on up to 7 for Saturday.

### dayInWeek

    public static double dayInWeek()

  See above.

### hourInDay

    public static double hourInDay(java.lang.String datetimeIn)
                            throws java.text.ParseException

  The date:hour-in-day function returns the hour of the day as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:time (hh:mm:ss) If the date/time string is not in one of these formats, then NaN is returned.

### hourInDay

    public static double hourInDay()

  See above.

### minuteInHour

    public static double minuteInHour(java.lang.String datetimeIn)
                               throws java.text.ParseException

  The date:minute-in-hour function returns the minute of the hour as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:time (hh:mm:ss) If the date/time string is not in one of these formats, then NaN is returned.

### minuteInHour

    public static double minuteInHour()

  See above.

### secondInMinute

    public static double secondInMinute(java.lang.String datetimeIn)
                                 throws java.text.ParseException

  The date:second-in-minute function returns the second of the minute as a number. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:time (hh:mm:ss) If the date/time string is not in one of these formats, then NaN is returned.

### secondInMinute

    public static double secondInMinute()

  See above.

### leapYear

    public static XObject leapYear(java.lang.String datetimeIn)
                            throws java.text.ParseException

  The date:leap-year function returns true if the year given in a date is a leap year. If no argument is given, then the current local date/time, as returned by date:date-time is used as a default argument. The date/time string specified as the first argument must be a right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) xs:gYearMonth (CCYY-MM) xs:gYear (CCYY) If the date/time string is not in one of these formats, then NaN is returned.

### leapYear

    public static boolean leapYear()

  See above.

### monthName

    public static java.lang.String monthName(java.lang.String datetimeIn)
                                      throws java.text.ParseException

  The date:month-name function returns the full name of the month of a date. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a left or right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) xs:gYearMonth (CCYY-MM) xs:gMonth (--MM--) If the date/time string is not in one of these formats, then an empty string ('') is returned. The result is an English month name: one of 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November' or 'December'.

### monthName

    public static java.lang.String monthName()

  See above.

### monthAbbreviation

    public static java.lang.String monthAbbreviation(java.lang.String datetimeIn)
                                              throws java.text.ParseException

  The date:month-abbreviation function returns the abbreviation of the month of a date. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a left or right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) xs:gYearMonth (CCYY-MM) xs:gMonth (--MM--) If the date/time string is not in one of these formats, then an empty string ('') is returned. The result is a three-letter English month abbreviation: one of 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov' or 'Dec'. An implementation of this extension function in the EXSLT date namespace must conform to the behaviour described in this document.

### monthAbbreviation

    public static java.lang.String monthAbbreviation()

  See above.

### dayName

    public static java.lang.String dayName(java.lang.String datetimeIn)
                                    throws java.text.ParseException

  The date:day-name function returns the full name of the day of the week of a date. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a left or right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) If the date/time string is not in one of these formats, then the empty string ('') is returned. The result is an English day name: one of 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday' or 'Friday'. An implementation of this extension function in the EXSLT date namespace must conform to the behaviour described in this document.

### dayName

    public static java.lang.String dayName()

  See above.

### dayAbbreviation

    public static java.lang.String dayAbbreviation(java.lang.String datetimeIn)
                                            throws java.text.ParseException

  The date:day-abbreviation function returns the abbreviation of the day of the week of a date. If no argument is given, then the current local date/time, as returned by date:date-time is used the default argument. The date/time string specified as the argument is a left or right-truncated string in the format defined as the lexical representation of xs:dateTime in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows: xs:dateTime (CCYY-MM-DDThh:mm:ss) xs:date (CCYY-MM-DD) If the date/time string is not in one of these formats, then the empty string ('') is returned. The result is a three-letter English day abbreviation: one of 'Sun', 'Mon', 'Tue', 'Wed', 'Thu' or 'Fri'. An implementation of this extension function in the EXSLT date namespace must conform to the behaviour described in this document.

### dayAbbreviation

    public static java.lang.String dayAbbreviation()

  See above.

### formatDate

    public static java.lang.String formatDate(java.lang.String dateTime,
                                              java.lang.String pattern)

  The date:format-date function formats a date/time according to a pattern.

  The first argument to date:format-date specifies the date/time to be formatted. It must be right or left-truncated date/time strings in one of the formats defined in [XML Schema Part 2: Datatypes]. The permitted formats are as follows:

  - xs:dateTime (CCYY-MM-DDThh:mm:ss)
  - xs:date (CCYY-MM-DD)
  - xs:time (hh:mm:ss)
  - xs:gYearMonth (CCYY-MM)
  - xs:gYear (CCYY)
  - xs:gMonthDay (--MM-DD)
  - xs:gMonth (--MM--)
  - xs:gDay (---DD)
  The second argument is a string that gives the format pattern used to format the date. The format pattern must be in the syntax specified by the JDK 1.1 SimpleDateFormat class. The format pattern string is interpreted as described for the JDK 1.1 SimpleDateFormat class.

  If the date/time format is right-truncated (i.e. in a format other than xs:time, or xs:dateTime) then any missing components are assumed to be as follows: if no month is specified, it is given a month of 01; if no day is specified, it is given a day of 01; if no time is specified, it is given a time of 00:00:00.

  If the date/time format is left-truncated (i.e. xs:time, xs:gMonthDay, xs:gMonth or xs:gDay) and the format pattern has a token that uses a component that is missing from the date/time format used, then that token is replaced with an empty string ('') within the result. The author is Helg Bredow (helg.bredow@kalido.com)

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