exsltdatetime.java

java1.6众多例子参考

     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static double dayInMonth(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      String[] formats = {dt, d, gmd, gd};
      double day = getNumber(datetime, formats, Calendar.DAY_OF_MONTH);
      return day;
    }
    
    /**
     * See above.
     */
    public static double dayInMonth()
    {
      Calendar cal = Calendar.getInstance();
      return cal.get(Calendar.DAY_OF_MONTH);
   }
    
    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static double dayOfWeekInMonth(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return Double.NaN;            

      String[] formats =  {dt, d};
      return getNumber(datetime, formats, Calendar.DAY_OF_WEEK_IN_MONTH);
    }
    
    /**
     * See above.
     */
    public static double dayOfWeekInMonth()
    {
       Calendar cal = Calendar.getInstance();
      return cal.get(Calendar.DAY_OF_WEEK_IN_MONTH);
   }
      
    
    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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.  
     */
    public static double dayInWeek(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return Double.NaN;            

      String[] formats = {dt, d};
      return getNumber(datetime, formats, Calendar.DAY_OF_WEEK);
    }
    
    /**
     * See above.
     */
    public static double dayInWeek()
    {
       Calendar cal = Calendar.getInstance();
      return cal.get(Calendar.DAY_OF_WEEK);
   }        

    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static double hourInDay(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return Double.NaN;            
      
      String[] formats = {dt, t};
      return getNumber(datetime, formats, Calendar.HOUR_OF_DAY);
    }
    
    /**
     * See above.
     */
    public static double hourInDay()
    {
       Calendar cal = Calendar.getInstance();
      return cal.get(Calendar.HOUR_OF_DAY);
   }
    
    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static double minuteInHour(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return Double.NaN;            
      
      String[] formats = {dt,t};
      return getNumber(datetime, formats, Calendar.MINUTE);
    }    
    
    /**
     * See above.
     */
   public static double minuteInHour()
    {
       Calendar cal = Calendar.getInstance();
      return cal.get(Calendar.MINUTE);
   }    

    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static double secondInMinute(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return Double.NaN;            
      
      String[] formats = {dt, t};
      return getNumber(datetime, formats, Calendar.SECOND);
    }

    /**
     * See above.
     */
    public static double secondInMinute()
    {
       Calendar cal = Calendar.getInstance();
      return cal.get(Calendar.SECOND);
    }
       
    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static XObject leapYear(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return new XNumber(Double.NaN);            
            
      String[] formats = {dt, d, gym, gy};
      double dbl = getNumber(datetime, formats, Calendar.YEAR);
      if (dbl == Double.NaN) 
        return new XNumber(Double.NaN);
      int yr = (int)dbl;
      return new XBoolean(yr % 400 == 0 || (yr % 100 != 0 && yr % 4 == 0));
    }
    
    /**
     * See above.
     */
    public static boolean leapYear()
    {
      Calendar cal = Calendar.getInstance();
      int yr = (int)cal.get(Calendar.YEAR);
      return (yr % 400 == 0 || (yr % 100 != 0 && yr % 4 == 0));      
    }    
       
    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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'. 
     */
    public static String monthName(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return EMPTY_STR;
      
      String[] formatsIn = {dt, d, gym, gm};
      String formatOut = "MMMM";
      return getNameOrAbbrev(datetimeIn, formatsIn, formatOut);    
    }
    
    /**
     * See above.
     */
    public static String monthName()
    {
      Calendar cal = Calendar.getInstance();
      String format = "MMMM";
      return getNameOrAbbrev(format);  
    }
        
    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static String monthAbbreviation(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return EMPTY_STR;
      
      String[] formatsIn = {dt, d, gym, gm};
      String formatOut = "MMM";
      return getNameOrAbbrev(datetimeIn, formatsIn, formatOut);
    }
    
    /**
     * See above.
     */
    public static String monthAbbreviation()
    {
      String format = "MMM";
      return getNameOrAbbrev(format);  
    }
        
    /**
     * 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 
     * <a href="http://www.w3.org/TR/xmlschema-2/">[XML Schema Part 2: Datatypes]</a>. 
     * 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. 
     */
    public static String dayName(String datetimeIn)
      throws ParseException
    {
      String[] edz = getEraDatetimeZone(datetimeIn);
      String datetime = edz[1];
      if (datetime == null) 
        return EMPTY_STR;
            
      String[] formatsIn = {dt, d};
      String formatOut = "EEEE";
      return getNameOrAbbrev(datetimeIn, formatsIn, formatOut);    
    }
    
    /**
     * See above.
     */
    public static String dayName()
    {
      String format = "EEEE";
      return getNameOrAbbrev(format);        
    }    
    
    /**
     * The date:day-abbreviation function returns the abbreviation of the day