cron表达式支持旬的改造.docx

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("OCT", new Integer(9));
("NOV", new Integer(10));
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("DEC", new Integer(11));
("SUN", new Integer(1));
("MON", new Integer(2));
("TUE", new Integer(3));
("WED", new Integer(4));
("THU", new Integer(5));
("FRI", new Integer(6));
("SAT", new Integer(7));
}
private String cronExpression = null;
private TimeZone timeZone = null;
protected transient TreeSet seconds;
protected transient TreeSet minutes;
protected transient TreeSet hours;
protected transient TreeSet daysOfMonth;
protected transient TreeSet months;
protected transient TreeSet daysOfWeek;
protected transient TreeSet years;
protected transient MonLdaySet monLdaySet;
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protected transient boolean lastdayOfWeek = false;
protected transient int nthdayOfWeek = 0;
protected transient int nthdayOfXun = 0;
protected transient boolean lastdayOfMonth = false;
protected transient boolean nearestWeekday = false;
protected transient boolean expressionParsed = false;
protected transient boolean isLastDayOfXun = false;
/**
Constructs a new <CODE>CronExpression</CODE> based on the specified
parameter.
*
* ***@param cronExpression
* String representation of the cron expression the new object
* should represent
* if the string expression cannot be parsed into a valid
* <CODE>CronExpression</CODE>
*/
public CronExpression(String cronExpression) throws ParseException {
if (cronExpression == null) {
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.