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java.lang.Objectorg.quartz.Trigger
org.quartz.CronTrigger
A concrete
that is used to fire a Trigger
at given moments in time, defined with Unix 'cron-like' definitions.
JobDetail
For those unfamiliar with "cron", this means being able to create a firing schedule such as: "At 8:00am every Monday through Friday" or "At 1:30am every last Friday of the month".
A "Cron-Expression" is a string comprised of 6 or 7 fields separated by
white space. The 6 mandatory and 1 optional fields are as follows:
Field Name | Allowed Values | Allowed Special Characters | ||
---|---|---|---|---|
Seconds |
0-59 |
, - * / |
||
Minutes |
0-59 |
, - * / |
||
Hours |
0-23 |
, - * / |
||
Day-of-month |
1-31 |
, - * ? / L W C |
||
Month |
1-12 or JAN-DEC |
, - * / |
||
Day-of-Week |
1-7 or SUN-SAT |
, - * ? / L C # |
||
Year (Optional) |
empty, 1970-2099 |
, - * / |
The '*' character is used to specify all values. For example, "*" in the minute field means "every minute".
The '?' character is allowed for the day-of-month and day-of-week fields. It is used to specify 'no specific value'. This is useful when you need to specify something in one of the two fileds, but not the other. See the examples below for clarification.
The '-' character is used to specify ranges For example "10-12" in the hour field means "the hours 10, 11 and 12".
The ',' character is used to specify additional values. For example "MON,WED,FRI" in the day-of-week field means "the days Monday, Wednesday, and Friday".
The '/' character is used to specify increments. For example "0/15" in the seconds field means "the seconds 0, 15, 30, and 45". And "5/15" in the seconds field means "the seconds 5, 20, 35, and 50". You can also specify '/' after the '*' character - in this case '*' is equivalent to having '0' before the '/'.
The 'L' character is allowed for the day-of-month and day-of-week fields. This character is short-hand for "last", but it has different meaning in each of the two fields. For example, the value "L" in the day-of-month field means "the last day of the month" - day 31 for January, day 28 for February on non-leap years. If used in the day-of-week field by itself, it simply means "7" or "SAT". But if used in the day-of-week field after another value, it means "the last xxx day of the month" - for example "6L" means "the last friday of the month". When using the 'L' option, it is important not to specify lists, or ranges of values, as you'll get confusing results.
The 'W' character is allowed for the day-of-month field. This character is used to specify the weekday (Monday-Friday) nearest the given day. As an example, if you were to specify "15W" as the value for the day-of-month field, the meaning is: "the nearest weekday to the 15th of the month". So if the 15th is a Saturday, the trigger will fire on Friday the 14th. If the 15th is a Sunday, the trigger will fire on Monday the 16th. If the 15th is a Tuesday, then it will fire on Tuesday the 15th. However if you specify "1W" as the value for day-of-month, and the 1st is a Saturday, the trigger will fire on Monday the 3rd, as it will not 'jump' over the boundary of a month's days. The 'W' character can only be specified when the day-of-month is a single day, not a range or list of days.
The 'L' and 'W' characters can also be combined for the day-of-month expression to yield 'LW', which translates to "last weekday of the month".
The '#' character is allowed for the day-of-week field. This character is used to specify "the nth" XXX day of the month. For example, the value of "6#3" in the day-of-week field means the third Friday of the month (day 6 = Friday and "#3" = the 3rd one in the month). Other examples: "2#1" = the first Monday of the month and "4#5" = the fifth Wednesday of the month. Note that if you specify "#5" and there is not 5 of the given day-of-week in the month, then no firing will occur that month.
The 'C' character is allowed for the day-of-month and day-of-week fields. This character is short-hand for "calendar". This means values are calculated against the associated calendar, if any. If no calendar is associated, then it is equivalent to having an all-inclusive calendar. A value of "5C" in the day-of-month field means "the first day included by the calendar on or after the 5th". A value of "1C" in the day-of-week field means "the first day included by the calendar on or after sunday".
The legal characters and the names of months and days of the week are not case sensitive.
Here are some full examples:
Expression | Meaning | |
---|---|---|
"0 0 12 * * ?" |
Fire at 12pm (noon) every day |
|
"0 15 10 ? * *" |
Fire at 10:15am every day |
|
"0 15 10 * * ?" |
Fire at 10:15am every day |
|
"0 15 10 * * ? *" |
Fire at 10:15am every day |
|
"0 15 10 * * ? 2005" |
Fire at 10:15am every day during the year 2005
|
|
"0 * 14 * * ?" |
Fire every minute starting at 2pm and ending at 2:59pm, every day
|
|
"0 0/5 14 * * ?" |
Fire every 5 minutes starting at 2pm and ending at 2:55pm, every day
|
|
"0 0/5 14,18 * * ?" |
Fire every 5 minutes starting at 2pm and ending at 2:55pm, AND fire every 5 minutes starting at 6pm and ending at 6:55pm, every day
|
|
"0 0-5 14 * * ?" |
Fire every minute starting at 2pm and ending at 2:05pm, every day
|
|
"0 10,44 14 ? 3 WED" |
Fire at 2:10pm and at 2:44pm every Wednesday in the month of March.
|
|
"0 15 10 ? * MON-FRI" |
Fire at 10:15am every Monday, Tuesday, Wednesday, Thursday and Friday
|
|
"0 15 10 15 * ?" |
Fire at 10:15am on the 15th day of every month
|
|
"0 15 10 L * ?" |
Fire at 10:15am on the last day of every month
|
|
"0 15 10 ? * 6L" |
Fire at 10:15am on the last Friday of every month
|
|
"0 15 10 ? * 6L" |
Fire at 10:15am on the last Friday of every month
|
|
"0 15 10 ? * 6L 2002-2005" |
Fire at 10:15am on every last friday of every month during the years 2002, 2003, 2004 and 2005
|
|
"0 15 10 ? * 6#3" |
Fire at 10:15am on the third Friday of every month
|
Pay attention to the effects of '?' and '*' in the day-of-week and day-of-month fields!
NOTES:
Trigger
,
SimpleTrigger
,
Serialized FormField Summary | |
protected static java.lang.Integer |
ALL_SPEC
|
protected static int |
ALL_SPEC_INT
|
protected boolean |
calendardayOfMonth
|
protected boolean |
calendardayOfWeek
|
protected static int |
DAY_OF_MONTH
|
protected static int |
DAY_OF_WEEK
|
protected static java.util.Map |
dayMap
|
protected java.util.TreeSet |
daysOfMonth
|
protected java.util.TreeSet |
daysOfWeek
|
protected boolean |
expressionParsed
|
protected static int |
HOUR
|
protected java.util.TreeSet |
hours
|
protected boolean |
lastdayOfMonth
|
protected boolean |
lastdayOfWeek
|
protected static int |
MINUTE
|
protected java.util.TreeSet |
minutes
|
static int |
MISFIRE_INSTRUCTION_DO_NOTHING
Instructs the that upon a mis-fire
situation, the wants to have it's
next-fire-time updated to the next time in the schedule after the
current time (taking into account any associated ,
but it does not want to be fired now. |
static int |
MISFIRE_INSTRUCTION_FIRE_ONCE_NOW
Instructs the that upon a mis-fire
situation, the wants to be fired now
by Scheduler . |
protected static int |
MONTH
|
protected static java.util.Map |
monthMap
|
protected java.util.TreeSet |
months
|
protected boolean |
nearestWeekday
|
protected static java.lang.Integer |
NO_SPEC
|
protected static int |
NO_SPEC_INT
|
protected int |
nthdayOfWeek
|
protected static int |
SECOND
|
protected java.util.TreeSet |
seconds
|
protected static int |
YEAR
|
protected java.util.TreeSet |
years
|
Constructor Summary | |
CronTrigger()
Create a CronTrigger with no settings. |
|
CronTrigger(java.lang.String name,
java.lang.String group)
Create a CronTrigger with the given name and group. |
|
CronTrigger(java.lang.String name,
java.lang.String group,
java.lang.String cronExpression)
Create a CronTrigger with the given name, group and
expression. |
|
CronTrigger(java.lang.String name,
java.lang.String group,
java.lang.String jobName,
java.lang.String jobGroup)
Create a CronTrigger with the given name and group, and
associated with the identified . |
|
CronTrigger(java.lang.String name,
java.lang.String group,
java.lang.String jobName,
java.lang.String jobGroup,
java.util.Date startTime,
java.util.Date endTime,
java.lang.String cronExpression)
Create a CronTrigger that will occur at the given time,
until the given end time. |
|
CronTrigger(java.lang.String name,
java.lang.String group,
java.lang.String jobName,
java.lang.String jobGroup,
java.util.Date startTime,
java.util.Date endTime,
java.lang.String cronExpression,
java.util.TimeZone timeZone)
Create a CronTrigger with fire time dictated by the
cronExpression resolved with respect to the specified
timeZone occuring from the startTime until
the given endTime . |
|
CronTrigger(java.lang.String name,
java.lang.String group,
java.lang.String jobName,
java.lang.String jobGroup,
java.lang.String cronExpression)
Create a CronTrigger with the given name and group,
associated with the identified ,
and with the given "cron" expression. |
|
CronTrigger(java.lang.String name,
java.lang.String group,
java.lang.String jobName,
java.lang.String jobGroup,
java.lang.String cronExpression,
java.util.TimeZone timeZone)
Create a CronTrigger with the given name and group,
associated with the identified ,
and with the given "cron" expression resolved with respect to the TimeZone . |
Method Summary | |
protected void |
addToSet(int val,
int end,
int incr,
int type)
|
protected void |
buildExpression(java.lang.String expression)
|
protected int |
checkNext(int pos,
java.lang.String s,
int val,
int type)
|
java.util.Date |
computeFirstFireTime(Calendar calendar)
Called by the scheduler at the time a Trigger is first
added to the scheduler, in order to have the Trigger
compute its first fire time, based on any associated calendar. |
int |
executionComplete(JobExecutionContext context,
JobExecutionException result)
Called after the has executed the
associated with the Trigger
in order to get the final instruction code from the trigger. |
protected int |
findNextWhiteSpace(int i,
java.lang.String s)
|
java.lang.String |
getCronExpression()
|
protected int |
getDayOfWeekNumber(java.lang.String s)
|
java.util.Date |
getEndTime()
Get the time at which the CronTrigger should quit
repeating - even if repeastCount isn't yet satisfied. |
protected java.lang.String |
getExpressionSetSummary(java.util.ArrayList list)
|
protected java.lang.String |
getExpressionSetSummary(java.util.Set set)
|
java.lang.String |
getExpressionSummary()
|
java.util.Date |
getFinalFireTime()
Returns the final time at which the CronTrigger will
fire. |
java.util.Date |
getFireTimeAfter(java.util.Date afterTime)
Returns the next time at which the CronTrigger will fire,
after the given time. |
int |
getLastDayOfMonth(int monthNum,
int year)
|
protected int |
getMonthNumber(java.lang.String s)
|
java.util.Date |
getNextFireTime()
Returns the next time at which the CronTrigger will fire. |
protected int |
getNumericValue(java.lang.String s,
int i)
|
java.util.Date |
getPreviousFireTime()
Returns the previous time at which the CronTrigger will
fire. |
protected java.util.TreeSet |
getSet(int type)
|
java.util.Date |
getStartTime()
Get the time at which the CronTrigger should occur. |
protected java.util.Date |
getTime(int sc,
int mn,
int hr,
int dayofmn,
int mon)
|
protected java.util.Date |
getTimeAfter(java.util.Date afterTime)
|
protected java.util.Date |
getTimeBefore(java.util.Date endTime)
|
java.util.TimeZone |
getTimeZone()
Returns the time zone for which the cronExpression of
this CronTrigger will be resolved. |
protected org.quartz.ValueSet |
getValue(int v,
java.lang.String s,
int i)
|
protected boolean |
isLeapYear(int year)
|
static void |
main(java.lang.String[] args)
|
boolean |
mayFireAgain()
Determines whether or not the CronTrigger will occur
again. |
protected void |
setCalendarHour(java.util.Calendar cal,
int hour)
Advance the calendar to the particular hour paying particular attention to daylight saving problems. |
void |
setCronExpression(java.lang.String cronExpression)
|
void |
setEndTime(java.util.Date endTime)
|
void |
setNextFireTime(java.util.Date nextFireTime)
Sets the next time at which the CronTrigger will fire. |
void |
setPreviousFireTime(java.util.Date previousFireTime)
Set the previous time at which the SimpleTrigger fired. |
void |
setStartTime(java.util.Date startTime)
|
void |
setTimeZone(java.util.TimeZone timeZone)
Sets the time zone for which the cronExpression of this
CronTrigger will be resolved. |
protected int |
skipWhiteSpace(int i,
java.lang.String s)
|
protected int |
storeExpressionVals(int pos,
java.lang.String s,
int type)
|
void |
triggered(Calendar calendar)
Called when the has decided to 'fire'
the trigger (execute the associated Job ), in order to
give the Trigger a chance to update itself for its next
triggering (if any). |
void |
updateAfterMisfire(Calendar cal)
Updates the CronTrigger 's state based on the
MISFIRE_INSTRUCTION_XXX that was selected when the SimpleTrigger
was created. |
void |
updateWithNewCalendar(Calendar calendar,
long misfireThreshold)
This method should not be used by the Quartz client. |
protected boolean |
validateMisfireInstruction(int misfireInstruction)
|
boolean |
willFireOn(java.util.Calendar test)
Determines whether the date and (optionally) time of the given Calendar instance falls on a scheduled fire-time of this trigger. |
boolean |
willFireOn(java.util.Calendar test,
boolean dayOnly)
Determines whether the date and (optionally) time of the given Calendar instance falls on a scheduled fire-time of this trigger. |
Methods inherited from class org.quartz.Trigger |
addTriggerListener, clone, compareTo, equals, getCalendarName, getDescription, getFireInstanceId, getFullJobName, getFullName, getGroup, getJobGroup, getJobName, getMisfireInstruction, getName, getTriggerListenerNames, hashCode, isVolatile, removeTriggerListener, setCalendarName, setDescription, setFireInstanceId, setGroup, setJobGroup, setJobName, setMisfireInstruction, setName, setVolatility, toString, validate |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
public static final int MISFIRE_INSTRUCTION_FIRE_ONCE_NOW
Instructs the
that upon a mis-fire
situation, the Scheduler
wants to be fired now
by CronTrigger
Scheduler
.
public static final int MISFIRE_INSTRUCTION_DO_NOTHING
Instructs the
that upon a mis-fire
situation, the Scheduler
wants to have it's
next-fire-time updated to the next time in the schedule after the
current time (taking into account any associated CronTrigger
,
but it does not want to be fired now.
Calendar
protected static final int SECOND
protected static final int MINUTE
protected static final int HOUR
protected static final int DAY_OF_MONTH
protected static final int MONTH
protected static final int DAY_OF_WEEK
protected static final int YEAR
protected static final int ALL_SPEC_INT
protected static final int NO_SPEC_INT
protected static final java.lang.Integer ALL_SPEC
protected static final java.lang.Integer NO_SPEC
protected static java.util.Map monthMap
protected static java.util.Map dayMap
protected transient java.util.TreeSet seconds
protected transient java.util.TreeSet minutes
protected transient java.util.TreeSet hours
protected transient java.util.TreeSet daysOfMonth
protected transient java.util.TreeSet months
protected transient java.util.TreeSet daysOfWeek
protected transient java.util.TreeSet years
protected transient boolean lastdayOfWeek
protected transient int nthdayOfWeek
protected transient boolean lastdayOfMonth
protected transient boolean nearestWeekday
protected transient boolean calendardayOfWeek
protected transient boolean calendardayOfMonth
protected transient boolean expressionParsed
Constructor Detail |
public CronTrigger()
Create a CronTrigger
with no settings.
public CronTrigger(java.lang.String name, java.lang.String group)
Create a CronTrigger
with the given name and group.
The start-time will also be set to the current time, and the time zone will be set the the system's default time zone.
public CronTrigger(java.lang.String name, java.lang.String group, java.lang.String cronExpression) throws java.text.ParseException
Create a CronTrigger
with the given name, group and
expression.
The start-time will also be set to the current time, and the time zone will be set the the system's default time zone.
public CronTrigger(java.lang.String name, java.lang.String group, java.lang.String jobName, java.lang.String jobGroup)
Create a CronTrigger
with the given name and group, and
associated with the identified
.
JobDetail
The start-time will also be set to the current time, and the time zone will be set the the system's default time zone.
public CronTrigger(java.lang.String name, java.lang.String group, java.lang.String jobName, java.lang.String jobGroup, java.lang.String cronExpression) throws java.text.ParseException
Create a CronTrigger
with the given name and group,
associated with the identified
,
and with the given "cron" expression.
JobDetail
The start-time will also be set to the current time, and the time zone will be set the the system's default time zone.
public CronTrigger(java.lang.String name, java.lang.String group, java.lang.String jobName, java.lang.String jobGroup, java.lang.String cronExpression, java.util.TimeZone timeZone) throws java.text.ParseException
Create a CronTrigger
with the given name and group,
associated with the identified
,
and with the given "cron" expression resolved with respect to the JobDetail
TimeZone
.
public CronTrigger(java.lang.String name, java.lang.String group, java.lang.String jobName, java.lang.String jobGroup, java.util.Date startTime, java.util.Date endTime, java.lang.String cronExpression) throws java.text.ParseException
Create a CronTrigger
that will occur at the given time,
until the given end time.
If null, the start-time will also be set to the current time, the time zone will be set the the system's default.
startTime
- A Date
set to the time for the Trigger
to fire.endTime
- A Date
set to the time for the Trigger
to quit repeat firing.public CronTrigger(java.lang.String name, java.lang.String group, java.lang.String jobName, java.lang.String jobGroup, java.util.Date startTime, java.util.Date endTime, java.lang.String cronExpression, java.util.TimeZone timeZone) throws java.text.ParseException
Create a CronTrigger
with fire time dictated by the
cronExpression
resolved with respect to the specified
timeZone
occuring from the startTime
until
the given endTime
.
If null, the start-time will also be set to the current time. If null, the time zone will be set to the system's default.
name
- of the Trigger
group
- of the Trigger
startTime
- A Date
set to the earliest time for the Trigger
to start firing.endTime
- A Date
set to the time for the Trigger
to quit repeat firing.
java.text.ParseException
- if the cronExpression
is invalid.Method Detail |
public void setCronExpression(java.lang.String cronExpression) throws java.text.ParseException
java.text.ParseException
public java.lang.String getCronExpression()
public java.util.Date getStartTime()
Get the time at which the CronTrigger
should occur.
getStartTime
in class Trigger
public void setStartTime(java.util.Date startTime)
setStartTime
in class Trigger
public java.util.Date getEndTime()
Get the time at which the CronTrigger
should quit
repeating - even if repeastCount isn't yet satisfied.
getEndTime
in class Trigger
getFinalFireTime()
public void setEndTime(java.util.Date endTime)
setEndTime
in class Trigger
public java.util.Date getNextFireTime()
Returns the next time at which the CronTrigger
will fire.
If the trigger will not fire again, null
will be
returned. The value returned is not guaranteed to be valid until after
the Trigger
has been added to the scheduler.
getNextFireTime
in class Trigger
public java.util.Date getPreviousFireTime()
Returns the previous time at which the CronTrigger
will
fire. If the trigger has not yet fired, null
will be
returned.
getPreviousFireTime
in class Trigger
public void setNextFireTime(java.util.Date nextFireTime)
Sets the next time at which the CronTrigger
will fire.
This method should not be invoked by client code.
public void setPreviousFireTime(java.util.Date previousFireTime)
Set the previous time at which the SimpleTrigger
fired.
This method should not be invoked by client code.
public java.util.TimeZone getTimeZone()
Returns the time zone for which the cronExpression
of
this CronTrigger
will be resolved.
public void setTimeZone(java.util.TimeZone timeZone)
Sets the time zone for which the cronExpression
of this
CronTrigger
will be resolved.
public java.util.Date getFireTimeAfter(java.util.Date afterTime)
Returns the next time at which the CronTrigger
will fire,
after the given time. If the trigger will not fire after the given time,
null
will be returned.
Note that the date returned is NOT validated against the related org.quartz.Calendar (if any)
getFireTimeAfter
in class Trigger
public java.util.Date getFinalFireTime()
Returns the final time at which the CronTrigger
will
fire.
Note that the return time *may* be in the past. and the date returned is not validated against org.quartz.calendar
getFinalFireTime
in class Trigger
public boolean mayFireAgain()
Determines whether or not the CronTrigger
will occur
again.
mayFireAgain
in class Trigger
protected boolean validateMisfireInstruction(int misfireInstruction)
validateMisfireInstruction
in class Trigger
public void updateAfterMisfire(Calendar cal)
Updates the CronTrigger
's state based on the
MISFIRE_INSTRUCTION_XXX that was selected when the SimpleTrigger
was created.
If the misfire instruction is set to MISFIRE_INSTRUCTION_SMART_POLICY,
then the following scheme will be used:
MISFIRE_INSTRUCTION_FIRE_ONCE_NOW
updateAfterMisfire
in class Trigger
public boolean willFireOn(java.util.Calendar test)
Determines whether the date and (optionally) time of the given Calendar instance falls on a scheduled fire-time of this trigger.
Equivalent to calling willFireOn(cal, false)
.
test
- the date to comparewillFireOn(Calendar, boolean)
public boolean willFireOn(java.util.Calendar test, boolean dayOnly)
Determines whether the date and (optionally) time of the given Calendar instance falls on a scheduled fire-time of this trigger.
Note that the value returned is NOT validated against the related org.quartz.Calendar (if any)
test
- the date to comparedayOnly
- if set to true, the method will only determine if the
trigger will fire during the day represented by the given Calendar
(hours, minutes and seconds will be ignored).willFireOn(Calendar)
public int executionComplete(JobExecutionContext context, JobExecutionException result)
Called after the
has executed the
Scheduler
associated with the JobDetail
Trigger
in order to get the final instruction code from the trigger.
executionComplete
in class Trigger
context
- is the JobExecutionContext
that was used by the
Job
'sexecute(xx)
method.result
- is the JobExecutionException
thrown by the
Job
, if any (may be null).
Trigger.INSTRUCTION_NOOP
,
Trigger.INSTRUCTION_RE_EXECUTE_JOB
,
Trigger.INSTRUCTION_DELETE_TRIGGER
,
Trigger.INSTRUCTION_SET_TRIGGER_COMPLETE
,
triggered(Calendar)
public void triggered(Calendar calendar)
Called when the
has decided to 'fire'
the trigger (execute the associated Scheduler
Job
), in order to
give the Trigger
a chance to update itself for its next
triggering (if any).
triggered
in class Trigger
executionComplete(JobExecutionContext, JobExecutionException)
public void updateWithNewCalendar(Calendar calendar, long misfireThreshold)
Trigger
This method should not be used by the Quartz client.
To be implemented by the concrete class.
The implementation should update the Trigger
's state
based on the given new version of the associated Calendar
(the state should be updated so that it's next fire time is appropriate
given the Calendar's new settings).
updateWithNewCalendar
in class Trigger
calendar
- Trigger.updateWithNewCalendar(org.quartz.Calendar, long)
public java.util.Date computeFirstFireTime(Calendar calendar)
Called by the scheduler at the time a Trigger
is first
added to the scheduler, in order to have the Trigger
compute its first fire time, based on any associated calendar.
After this method has been called, getNextFireTime()
should return a valid answer.
computeFirstFireTime
in class Trigger
Trigger
will be fired
by the scheduler, which is also the same value getNextFireTime()
will return (until after the first firing of the Trigger
).
protected void buildExpression(java.lang.String expression) throws java.text.ParseException
java.text.ParseException
protected int storeExpressionVals(int pos, java.lang.String s, int type) throws java.text.ParseException
java.text.ParseException
protected int checkNext(int pos, java.lang.String s, int val, int type) throws java.text.ParseException
java.text.ParseException
public java.lang.String getExpressionSummary()
protected java.lang.String getExpressionSetSummary(java.util.Set set)
protected java.lang.String getExpressionSetSummary(java.util.ArrayList list)
protected int skipWhiteSpace(int i, java.lang.String s)
protected int findNextWhiteSpace(int i, java.lang.String s)
protected void addToSet(int val, int end, int incr, int type) throws java.text.ParseException
java.text.ParseException
protected java.util.TreeSet getSet(int type)
protected org.quartz.ValueSet getValue(int v, java.lang.String s, int i)
protected int getNumericValue(java.lang.String s, int i)
protected int getMonthNumber(java.lang.String s)
protected int getDayOfWeekNumber(java.lang.String s)
protected java.util.Date getTime(int sc, int mn, int hr, int dayofmn, int mon)
protected java.util.Date getTimeAfter(java.util.Date afterTime)
protected void setCalendarHour(java.util.Calendar cal, int hour)
cal
- hour
- protected java.util.Date getTimeBefore(java.util.Date endTime)
protected boolean isLeapYear(int year)
public int getLastDayOfMonth(int monthNum, int year)
public static void main(java.lang.String[] args) throws java.lang.Exception
java.lang.Exception
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