@ -1,44 +1,35 @@
/ *
* All content copyright Terracotta , Inc . , unless otherwise indicated . All rights reserved .
*
* Licensed under the Apache License , Version 2.0 ( the "License" ) ; you may not
* use this file except in compliance with the License . You may obtain a copy
* of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an "AS IS" BASIS , WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied . See the
* License for the specific language governing permissions and limitations
*
* Licensed under the Apache License , Version 2.0 ( the "License" ) ; you may not
* use this file except in compliance with the License . You may obtain a copy
* of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an "AS IS" BASIS , WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied . See the
* License for the specific language governing permissions and limitations
* under the License .
*
*
* /
package com.xxl.job.admin.core.cron ;
import java.io.Serializable ;
import java.text.ParseException ;
import java.util.Calendar ;
import java.util.Date ;
import java.util.HashMap ;
import java.util.Iterator ;
import java.util.Locale ;
import java.util.Map ;
import java.util.SortedSet ;
import java.util.StringTokenizer ;
import java.util.TimeZone ;
import java.util.TreeSet ;
import java.util.* ;
/ * *
* Provides a parser and evaluator for unix - like cron expressions . Cron
* Provides a parser and evaluator for unix - like cron expressions . Cron
* expressions provide the ability to specify complex time combinations such as
* & quot ; At 8 : 00 am every Monday through Friday & quot ; or & quot ; At 1 : 30 am every
* last Friday of the month & quot ; .
* & quot ; At 8 : 00 am every Monday through Friday & quot ; or & quot ; At 1 : 30 am every
* last Friday of the month & quot ; .
* < P >
* Cron expressions are comprised of 6 required fields and one optional field
* separated by white space . The fields respectively are described as follows :
*
*
* < table cellspacing = "8" >
* < tr >
* < th align = "left" > Field Name < / th >
@ -98,7 +89,7 @@ import java.util.TreeSet;
* < / tr >
* < / table >
* < P >
* The '*' character is used to specify all values . For example , & quot ; * & quot ;
* The '*' character is used to specify all values . For example , & quot ; * & quot ;
* in the minute field means & quot ; every minute & quot ; .
* < P >
* The '?' character is allowed for the day - of - month and day - of - week fields . It
@ -113,55 +104,55 @@ import java.util.TreeSet;
* Wednesday , and Friday & quot ; .
* < P >
* The '/' character is used to specify increments . For example & quot ; 0 / 15 & quot ;
* in the seconds field means & quot ; the seconds 0 , 15 , 30 , and 45 & quot ; . And
* in the seconds field means & quot ; the seconds 0 , 15 , 30 , and 45 & quot ; . And
* & quot ; 5 / 15 & quot ; in the seconds field means & quot ; the seconds 5 , 20 , 35 , and
* 50 & quot ; . Specifying '*' before the '/' is equivalent to specifying 0 is
* the value to start with . Essentially , for each field in the expression , there
* is a set of numbers that can be turned on or off . For seconds and minutes ,
* is a set of numbers that can be turned on or off . For seconds and minutes ,
* the numbers range from 0 to 59. For hours 0 to 23 , for days of the month 0 to
* 31 , and for months 0 to 11 ( JAN to DEC ) . The & quot ; / & quot ; character simply helps you turn
* on every & quot ; nth & quot ; value in the given set . Thus & quot ; 7 / 6 & quot ; in the
* month field only turns on month & quot ; 7 & quot ; , it does NOT mean every 6 th
* month , please note that subtlety .
* month field only turns on month & quot ; 7 & quot ; , it does NOT mean every 6 th
* month , please note that subtlety .
* < P >
* The 'L' character is allowed for the day - of - month and day - of - week fields .
* This character is short - hand for & quot ; last & quot ; , but it has different
* meaning in each of the two fields . For example , the value & quot ; L & quot ; in
* the day - of - month field means & quot ; the last day of the month & quot ; - 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 & quot ; 7 & quot ; or
* This character is short - hand for & quot ; last & quot ; , but it has different
* meaning in each of the two fields . For example , the value & quot ; L & quot ; in
* the day - of - month field means & quot ; the last day of the month & quot ; - 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 & quot ; 7 & quot ; or
* & quot ; SAT & quot ; . But if used in the day - of - week field after another value , it
* means & quot ; the last xxx day of the month & quot ; - for example & quot ; 6L & quot ;
* means & quot ; the last friday of the month & quot ; . You can also specify an offset
* from the last day of the month , such as "L-3" which would mean the third - to - last
* day of the calendar month . < i > When using the 'L' option , it is important not to
* means & quot ; the last friday of the month & quot ; . You can also specify an offset
* from the last day of the month , such as "L-3" which would mean the third - to - last
* day of the calendar month . < i > When using the 'L' option , it is important not to
* specify lists , or ranges of values , as you ' ll get confusing / unexpected results . < / i >
* < P >
* 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 & quot ; 15 W & quot ; as the value for the
* 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 & quot ; 15 W & quot ; as the value for the
* day - of - month field , the meaning is : & quot ; the nearest weekday to the 15 th of
* the month & quot ; . So if the 15 th is a Saturday , the trigger will fire on
* the month & quot ; . So if the 15 th is a Saturday , the trigger will fire on
* Friday the 14 th . If the 15 th is a Sunday , the trigger will fire on Monday the
* 16 th . If the 15 th is a Tuesday , then it will fire on Tuesday the 15 th .
* 16 th . If the 15 th is a Tuesday , then it will fire on Tuesday the 15 th .
* However if you specify & quot ; 1 W & quot ; as the value for day - of - month , and the
* 1 st is a Saturday , the trigger will fire on Monday the 3 rd , as it will not
* ' jump ' over the boundary of a month ' s days . The 'W' character can only be
* 1 st is a Saturday , the trigger will fire on Monday the 3 rd , 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 .
* < P >
* The 'L' and 'W' characters can also be combined for the day - of - month
* expression to yield ' LW ' , which translates to & quot ; last weekday of the
* The 'L' and 'W' characters can also be combined for the day - of - month
* expression to yield ' LW ' , which translates to & quot ; last weekday of the
* month & quot ; .
* < P >
* The '#' character is allowed for the day - of - week field . This character is
* used to specify & quot ; the nth & quot ; XXX day of the month . For example , the
* value of & quot ; 6 # 3 & quot ; in the day - of - week field means the third Friday of
* the month ( day 6 = Friday and & quot ; # 3 & quot ; = the 3 rd one in the month ) .
* Other examples : & quot ; 2 # 1 & quot ; = the first Monday of the month and
* used to specify & quot ; the nth & quot ; XXX day of the month . For example , the
* value of & quot ; 6 # 3 & quot ; in the day - of - week field means the third Friday of
* the month ( day 6 = Friday and & quot ; # 3 & quot ; = the 3 rd one in the month ) .
* Other examples : & quot ; 2 # 1 & quot ; = the first Monday of the month and
* & quot ; 4 # 5 & quot ; = the fifth Wednesday of the month . Note that if you specify
* & quot ; # 5 & quot ; and there is not 5 of the given day - of - week in the month , then
* no firing will occur that month . If the '#' character is used , there can
* only be one expression in the day - of - week field ( & quot ; 3 # 1 , 6 # 3 & quot ; is
* only be one expression in the day - of - week field ( & quot ; 3 # 1 , 6 # 3 & quot ; is
* not valid , since there are two expressions ) .
* < P >
* < ! - - The 'C' character is allowed for the day - of - month and day - of - week fields .
@ -174,35 +165,33 @@ import java.util.TreeSet;
* < P >
* The legal characters and the names of months and days of the week are not
* case sensitive .
*
*
* < p >
* < b > NOTES : < / b >
* < ul >
* < li > Support for specifying both a day - of - week and a day - of - month value is
* not complete ( you ' ll need to use the '?' character in one of these fields ) .
* < / li >
* < li > Overflowing ranges is supported - that is , having a larger number on
* the left hand side than the right . You might do 22 - 2 to catch 10 o ' clock
* at night until 2 o ' clock in the morning , or you might have NOV - FEB . It is
* very important to note that overuse of overflowing ranges creates ranges
* that don ' t make sense and no effort has been made to determine which
* interpretation CronExpression chooses . An example would be
* < li > Overflowing ranges is supported - that is , having a larger number on
* the left hand side than the right . You might do 22 - 2 to catch 10 o ' clock
* at night until 2 o ' clock in the morning , or you might have NOV - FEB . It is
* very important to note that overuse of overflowing ranges creates ranges
* that don ' t make sense and no effort has been made to determine which
* interpretation CronExpression chooses . An example would be
* "0 0 14-6 ? * FRI-MON" . < / li >
* < / ul >
* < / p >
*
*
*
* @author Sharada Jambula , James House
* @author Contributions from Mads Henderson
* @author Refactoring from CronTrigger to CronExpression by Aaron Craven
*
* < p >
* Borrowed from quartz v2 .3 .1
*
* /
public final class CronExpression implements Serializable , Cloneable {
private static final long serialVersionUID = 12423409423L ;
protected static final int SECOND = 0 ;
protected static final int MINUTE = 1 ;
protected static final int HOUR = 2 ;
@ -214,9 +203,10 @@ public final class CronExpression implements Serializable, Cloneable {
protected static final int NO_SPEC_INT = 98 ; // '?'
protected static final Integer ALL_SPEC = ALL_SPEC_INT ;
protected static final Integer NO_SPEC = NO_SPEC_INT ;
protected static final Map < String , Integer > monthMap = new HashMap < String , Integer > ( 20 ) ;
protected static final Map < String , Integer > dayMap = new HashMap < String , Integer > ( 60 ) ;
static {
monthMap . put ( "JAN" , 0 ) ;
monthMap . put ( "FEB" , 1 ) ;
@ -256,35 +246,33 @@ public final class CronExpression implements Serializable, Cloneable {
protected transient boolean nearestWeekday = false ;
protected transient int lastdayOffset = 0 ;
protected transient boolean expressionParsed = false ;
public static final int MAX_YEAR = Calendar . getInstance ( ) . get ( Calendar . YEAR ) + 100 ;
/ * *
* Constructs a new < CODE > CronExpression < / CODE > based on the specified
* Constructs a new < CODE > CronExpression < / CODE > based on the specified
* parameter .
*
*
* @param cronExpression String representation of the cron expression the
* new object should represent
* @throws java . text . ParseException
* if the string expression cannot be parsed into a valid
* < CODE > CronExpression < / CODE >
* @throws ParseException if the string expression cannot be parsed into a valid
* < CODE > CronExpression < / CODE >
* /
public CronExpression ( String cronExpression ) throws ParseException {
if ( cronExpression = = null ) {
throw new IllegalArgumentException ( "cronExpression cannot be null" ) ;
}
this . cronExpression = cronExpression . toUpperCase ( Locale . US ) ;
buildExpression ( this . cronExpression ) ;
}
/ * *
* Constructs a new { @code CronExpression } as a copy of an existing
* instance .
*
* @param expression
* The existing cron expression to be copied
*
* @param expression The existing cron expression to be copied
* /
public CronExpression ( CronExpression expression ) {
/ *
@ -307,28 +295,28 @@ public final class CronExpression implements Serializable, Cloneable {
* Indicates whether the given date satisfies the cron expression . Note that
* milliseconds are ignored , so two Dates falling on different milliseconds
* of the same second will always have the same result here .
*
*
* @param date the date to evaluate
* @return a boolean indicating whether the given date satisfies the cron
* expression
* expression
* /
public boolean isSatisfiedBy ( Date date ) {
Calendar testDateCal = Calendar . getInstance ( getTimeZone ( ) ) ;
testDateCal . setTime ( date ) ;
testDateCal . set ( Calendar . MILLISECOND , 0 ) ;
Date originalDate = testDateCal . getTime ( ) ;
testDateCal . add ( Calendar . SECOND , - 1 ) ;
Date timeAfter = getTimeAfter ( testDateCal . getTime ( ) ) ;
return ( ( timeAfter ! = null ) & & ( timeAfter . equals ( originalDate ) ) ) ;
}
/ * *
* Returns the next date / time < I > after < / I > the given date / time which
* satisfies the cron expression .
*
*
* @param date the date / time at which to begin the search for the next valid
* date / time
* @return the next valid date / time
@ -336,48 +324,48 @@ public final class CronExpression implements Serializable, Cloneable {
public Date getNextValidTimeAfter ( Date date ) {
return getTimeAfter ( date ) ;
}
/ * *
* Returns the next date / time < I > after < / I > the given date / time which does
* < I > not < / I > satisfy the expression
*
* @param date the date / time at which to begin the search for the next
*
* @param date the date / time at which to begin the search for the next
* invalid date / time
* @return the next valid date / time
* /
public Date getNextInvalidTimeAfter ( Date date ) {
long difference = 1000 ;
//move back to the nearest second so differences will be accurate
Calendar adjustCal = Calendar . getInstance ( getTimeZone ( ) ) ;
adjustCal . setTime ( date ) ;
adjustCal . set ( Calendar . MILLISECOND , 0 ) ;
Date lastDate = adjustCal . getTime ( ) ;
Date newDate ;
//FUTURE_TODO: (QUARTZ-481) IMPROVE THIS! The following is a BAD solution to this problem. Performance will be very bad here, depending on the cron expression. It is, however A solution.
//keep getting the next included time until it's farther than one second
// apart. At that point, lastDate is the last valid fire time. We return
// the second immediately following it.
while ( difference = = 1000 ) {
newDate = getTimeAfter ( lastDate ) ;
if ( newDate = = null )
if ( newDate = = null )
break ;
difference = newDate . getTime ( ) - lastDate . getTime ( ) ;
if ( difference = = 1000 ) {
lastDate = newDate ;
}
}
return new Date ( lastDate . getTime ( ) + 1000 ) ;
}
/ * *
* Returns the time zone for which this < code > CronExpression < / code >
* Returns the time zone for which this < code > CronExpression < / code >
* will be resolved .
* /
public TimeZone getTimeZone ( ) {
@ -389,16 +377,16 @@ public final class CronExpression implements Serializable, Cloneable {
}
/ * *
* Sets the time zone for which this < code > CronExpression < / code >
* Sets the time zone for which this < code > CronExpression < / code >
* will be resolved .
* /
public void setTimeZone ( TimeZone timeZone ) {
this . timeZone = timeZone ;
}
/ * *
* Returns the string representation of the < CODE > CronExpression < / CODE >
*
*
* @return a string representation of the < CODE > CronExpression < / CODE >
* /
@Override
@ -407,30 +395,30 @@ public final class CronExpression implements Serializable, Cloneable {
}
/ * *
* Indicates whether the specified cron expression can be parsed into a
* Indicates whether the specified cron expression can be parsed into a
* valid cron expression
*
*
* @param cronExpression the expression to evaluate
* @return a boolean indicating whether the given expression is a valid cron
* expression
* expression
* /
public static boolean isValidExpression ( String cronExpression ) {
try {
new CronExpression ( cronExpression ) ;
} catch ( ParseException pe ) {
return false ;
}
return true ;
}
public static void validateExpression ( String cronExpression ) throws ParseException {
new CronExpression ( cronExpression ) ;
}
////////////////////////////////////////////////////////////////////////////
//
// Expression Parsing Functions
@ -467,23 +455,23 @@ public final class CronExpression implements Serializable, Cloneable {
int exprOn = SECOND ;
StringTokenizer exprsTok = new StringTokenizer ( expression , " \t" ,
false ) ;
false ) ;
while ( exprsTok . hasMoreTokens ( ) & & exprOn < = YEAR ) {
String expr = exprsTok . nextToken ( ) . trim ( ) ;
// throw an exception if L is used with other days of the month
if ( exprOn = = DAY_OF_MONTH & & expr . indexOf ( 'L' ) ! = - 1 & & expr . length ( ) > 1 & & expr . contains ( "," ) ) {
if ( exprOn = = DAY_OF_MONTH & & expr . indexOf ( 'L' ) ! = - 1 & & expr . length ( ) > 1 & & expr . contains ( "," ) ) {
throw new ParseException ( "Support for specifying 'L' and 'LW' with other days of the month is not implemented" , - 1 ) ;
}
// throw an exception if L is used with other days of the week
if ( exprOn = = DAY_OF_WEEK & & expr . indexOf ( 'L' ) ! = - 1 & & expr . length ( ) > 1 & & expr . contains ( "," ) ) {
if ( exprOn = = DAY_OF_WEEK & & expr . indexOf ( 'L' ) ! = - 1 & & expr . length ( ) > 1 & & expr . contains ( "," ) ) {
throw new ParseException ( "Support for specifying 'L' with other days of the week is not implemented" , - 1 ) ;
}
if ( exprOn = = DAY_OF_WEEK & & expr . indexOf ( '#' ) ! = - 1 & & expr . indexOf ( '#' , expr . indexOf ( '#' ) + 1 ) ! = - 1 ) {
if ( exprOn = = DAY_OF_WEEK & & expr . indexOf ( '#' ) ! = - 1 & & expr . indexOf ( '#' , expr . indexOf ( '#' ) + 1 ) ! = - 1 ) {
throw new ParseException ( "Support for specifying multiple \"nth\" days is not implemented." , - 1 ) ;
}
StringTokenizer vTok = new StringTokenizer ( expr , "," ) ;
while ( vTok . hasMoreTokens ( ) ) {
String v = vTok . nextToken ( ) ;
@ -495,7 +483,7 @@ public final class CronExpression implements Serializable, Cloneable {
if ( exprOn < = DAY_OF_WEEK ) {
throw new ParseException ( "Unexpected end of expression." ,
expression . length ( ) ) ;
expression . length ( ) ) ;
}
if ( exprOn < = YEAR ) {
@ -512,14 +500,14 @@ public final class CronExpression implements Serializable, Cloneable {
if ( ! dayOfMSpec | | dayOfWSpec ) {
if ( ! dayOfWSpec | | dayOfMSpec ) {
throw new ParseException (
"Support for specifying both a day-of-week AND a day-of-month parameter is not implemented." , 0 ) ;
"Support for specifying both a day-of-week AND a day-of-month parameter is not implemented." , 0 ) ;
}
}
} catch ( ParseException pe ) {
throw pe ;
} catch ( Exception e ) {
throw new ParseException ( "Illegal cron expression format ("
+ e . toString ( ) + ")" , 0 ) ;
+ e . toString ( ) + ")" , 0 ) ;
}
}
@ -556,7 +544,7 @@ public final class CronExpression implements Serializable, Cloneable {
sval = getDayOfWeekNumber ( sub ) ;
if ( sval < 0 ) {
throw new ParseException ( "Invalid Day-of-Week value: '"
+ sub + "'" , i ) ;
+ sub + "'" , i ) ;
}
if ( s . length ( ) > i + 3 ) {
c = s . charAt ( i + 3 ) ;
@ -566,8 +554,8 @@ public final class CronExpression implements Serializable, Cloneable {
eval = getDayOfWeekNumber ( sub ) ;
if ( eval < 0 ) {
throw new ParseException (
"Invalid Day-of-Week value: '" + sub
+ "'" , i ) ;
"Invalid Day-of-Week value: '" + sub
+ "'" , i ) ;
}
} else if ( c = = '#' ) {
try {
@ -578,8 +566,8 @@ public final class CronExpression implements Serializable, Cloneable {
}
} catch ( Exception e ) {
throw new ParseException (
"A numeric value between 1 and 5 must follow the '#' option" ,
i ) ;
"A numeric value between 1 and 5 must follow the '#' option" ,
i ) ;
}
} else if ( c = = 'L' ) {
lastdayOfWeek = true ;
@ -589,8 +577,8 @@ public final class CronExpression implements Serializable, Cloneable {
} else {
throw new ParseException (
"Illegal characters for this position: '" + sub + "'" ,
i ) ;
"Illegal characters for this position: '" + sub + "'" ,
i ) ;
}
if ( eval ! = - 1 ) {
incr = 1 ;
@ -601,22 +589,22 @@ public final class CronExpression implements Serializable, Cloneable {
if ( c = = '?' ) {
i + + ;
if ( ( i + 1 ) < s . length ( )
& & ( s . charAt ( i ) ! = ' ' & & s . charAt ( i + 1 ) ! = '\t' ) ) {
if ( ( i + 1 ) < s . length ( )
& & ( s . charAt ( i ) ! = ' ' & & s . charAt ( i + 1 ) ! = '\t' ) ) {
throw new ParseException ( "Illegal character after '?': "
+ s . charAt ( i ) , i ) ;
+ s . charAt ( i ) , i ) ;
}
if ( type ! = DAY_OF_WEEK & & type ! = DAY_OF_MONTH ) {
throw new ParseException (
"'?' can only be specified for Day-of-Month or Day-of-Week." ,
i ) ;
"'?' can only be specified for Day-of-Month or Day-of-Week." ,
i ) ;
}
if ( type = = DAY_OF_WEEK & & ! lastdayOfMonth ) {
int val = daysOfMonth . last ( ) ;
if ( val = = NO_SPEC_INT ) {
throw new ParseException (
"'?' can only be specified for Day-of-Month -OR- Day-of-Week." ,
i ) ;
"'?' can only be specified for Day-of-Month -OR- Day-of-Week." ,
i ) ;
}
}
@ -629,8 +617,8 @@ public final class CronExpression implements Serializable, Cloneable {
addToSet ( ALL_SPEC_INT , - 1 , incr , type ) ;
return i + 1 ;
} else if ( c = = '/'
& & ( ( i + 1 ) > = s . length ( ) | | s . charAt ( i + 1 ) = = ' ' | | s
. charAt ( i + 1 ) = = '\t' ) ) {
& & ( ( i + 1 ) > = s . length ( ) | | s . charAt ( i + 1 ) = = ' ' | | s
. charAt ( i + 1 ) = = '\t' ) ) {
throw new ParseException ( "'/' must be followed by an integer." , i ) ;
} else if ( c = = '*' ) {
i + + ;
@ -663,18 +651,18 @@ public final class CronExpression implements Serializable, Cloneable {
if ( type = = DAY_OF_WEEK ) {
addToSet ( 7 , 7 , 0 , type ) ;
}
if ( type = = DAY_OF_MONTH & & s . length ( ) > i ) {
if ( type = = DAY_OF_MONTH & & s . length ( ) > i ) {
c = s . charAt ( i ) ;
if ( c = = '-' ) {
ValueSet vs = getValue ( 0 , s , i + 1 ) ;
if ( c = = '-' ) {
ValueSet vs = getValue ( 0 , s , i + 1 ) ;
lastdayOffset = vs . value ;
if ( lastdayOffset > 30 )
throw new ParseException ( "Offset from last day must be <= 30" , i + 1 ) ;
if ( lastdayOffset > 30 )
throw new ParseException ( "Offset from last day must be <= 30" , i + 1 ) ;
i = vs . pos ;
}
if ( s . length ( ) > i ) {
}
if ( s . length ( ) > i ) {
c = s . charAt ( i ) ;
if ( c = = 'W' ) {
if ( c = = 'W' ) {
nearestWeekday = true ;
i + + ;
}
@ -719,7 +707,7 @@ public final class CronExpression implements Serializable, Cloneable {
protected int checkNext ( int pos , String s , int val , int type )
throws ParseException {
int end = - 1 ;
int i = pos ;
@ -732,7 +720,7 @@ public final class CronExpression implements Serializable, Cloneable {
if ( c = = 'L' ) {
if ( type = = DAY_OF_WEEK ) {
if ( val < 1 | | val > 7 )
if ( val < 1 | | val > 7 )
throw new ParseException ( "Day-of-Week values must be between 1 and 7" , - 1 ) ;
lastdayOfWeek = true ;
} else {
@ -743,15 +731,15 @@ public final class CronExpression implements Serializable, Cloneable {
i + + ;
return i ;
}
if ( c = = 'W' ) {
if ( type = = DAY_OF_MONTH ) {
nearestWeekday = true ;
} else {
throw new ParseException ( "'W' option is not valid here. (pos=" + i + ")" , i ) ;
}
if ( val > 31 )
throw new ParseException ( "The 'W' option does not make sense with values larger than 31 (max number of days in a month)" , i ) ;
if ( val > 31 )
throw new ParseException ( "The 'W' option does not make sense with values larger than 31 (max number of days in a month)" , i ) ;
TreeSet < Integer > set = getSet ( type ) ;
set . add ( val ) ;
i + + ;
@ -770,8 +758,8 @@ public final class CronExpression implements Serializable, Cloneable {
}
} catch ( Exception e ) {
throw new ParseException (
"A numeric value between 1 and 5 must follow the '#' option" ,
i ) ;
"A numeric value between 1 and 5 must follow the '#' option" ,
i ) ;
}
TreeSet < Integer > set = getSet ( type ) ;
@ -857,7 +845,7 @@ public final class CronExpression implements Serializable, Cloneable {
public String getCronExpression ( ) {
return cronExpression ;
}
public String getExpressionSummary ( ) {
StringBuilder buf = new StringBuilder ( ) ;
@ -966,36 +954,36 @@ public final class CronExpression implements Serializable, Cloneable {
protected void addToSet ( int val , int end , int incr , int type )
throws ParseException {
TreeSet < Integer > set = getSet ( type ) ;
if ( type = = SECOND | | type = = MINUTE ) {
if ( ( val < 0 | | val > 59 | | end > 59 ) & & ( val ! = ALL_SPEC_INT ) ) {
throw new ParseException (
"Minute and Second values must be between 0 and 59" ,
- 1 ) ;
"Minute and Second values must be between 0 and 59" ,
- 1 ) ;
}
} else if ( type = = HOUR ) {
if ( ( val < 0 | | val > 23 | | end > 23 ) & & ( val ! = ALL_SPEC_INT ) ) {
throw new ParseException (
"Hour values must be between 0 and 23" , - 1 ) ;
"Hour values must be between 0 and 23" , - 1 ) ;
}
} else if ( type = = DAY_OF_MONTH ) {
if ( ( val < 1 | | val > 31 | | end > 31 ) & & ( val ! = ALL_SPEC_INT )
& & ( val ! = NO_SPEC_INT ) ) {
if ( ( val < 1 | | val > 31 | | end > 31 ) & & ( val ! = ALL_SPEC_INT )
& & ( val ! = NO_SPEC_INT ) ) {
throw new ParseException (
"Day of month values must be between 1 and 31" , - 1 ) ;
"Day of month values must be between 1 and 31" , - 1 ) ;
}
} else if ( type = = MONTH ) {
if ( ( val < 1 | | val > 12 | | end > 12 ) & & ( val ! = ALL_SPEC_INT ) ) {
throw new ParseException (
"Month values must be between 1 and 12" , - 1 ) ;
"Month values must be between 1 and 12" , - 1 ) ;
}
} else if ( type = = DAY_OF_WEEK ) {
if ( ( val = = 0 | | val > 7 | | end > 7 ) & & ( val ! = ALL_SPEC_INT )
& & ( val ! = NO_SPEC_INT ) ) {
& & ( val ! = NO_SPEC_INT ) ) {
throw new ParseException (
"Day-of-Week values must be between 1 and 7" , - 1 ) ;
"Day-of-Week values must be between 1 and 7" , - 1 ) ;
}
}
@ -1005,7 +993,7 @@ public final class CronExpression implements Serializable, Cloneable {
} else {
set . add ( NO_SPEC ) ;
}
return ;
}
@ -1061,20 +1049,34 @@ public final class CronExpression implements Serializable, Cloneable {
}
}
// if the end of the range is before the start, then we need to overflow into
// the next day, month etc. This is done by adding the maximum amount for that
// if the end of the range is before the start, then we need to overflow into
// the next day, month etc. This is done by adding the maximum amount for that
// type, and using modulus max to determine the value being added.
int max = - 1 ;
if ( stopAt < startAt ) {
switch ( type ) {
case SECOND : max = 60 ; break ;
case MINUTE : max = 60 ; break ;
case HOUR : max = 24 ; break ;
case MONTH : max = 12 ; break ;
case DAY_OF_WEEK : max = 7 ; break ;
case DAY_OF_MONTH : max = 31 ; break ;
case YEAR : throw new IllegalArgumentException ( "Start year must be less than stop year" ) ;
default : throw new IllegalArgumentException ( "Unexpected type encountered" ) ;
case SECOND :
max = 60 ;
break ;
case MINUTE :
max = 60 ;
break ;
case HOUR :
max = 24 ;
break ;
case MONTH :
max = 12 ;
break ;
case DAY_OF_WEEK :
max = 7 ;
break ;
case DAY_OF_MONTH :
max = 31 ;
break ;
case YEAR :
throw new IllegalArgumentException ( "Start year must be less than stop year" ) ;
default :
throw new IllegalArgumentException ( "Unexpected type encountered" ) ;
}
stopAt + = max ;
}
@ -1088,7 +1090,7 @@ public final class CronExpression implements Serializable, Cloneable {
int i2 = i % max ;
// 1-indexed ranges should not include 0, and should include their max
if ( i2 = = 0 & & ( type = = MONTH | | type = = DAY_OF_WEEK | | type = = DAY_OF_MONTH ) ) {
if ( i2 = = 0 & & ( type = = MONTH | | type = = DAY_OF_WEEK | | type = = DAY_OF_MONTH ) ) {
i2 = max ;
}
@ -1130,7 +1132,7 @@ public final class CronExpression implements Serializable, Cloneable {
c = s . charAt ( i ) ;
}
ValueSet val = new ValueSet ( ) ;
val . pos = ( i < s . length ( ) ) ? i : i + 1 ;
val . value = Integer . parseInt ( s1 . toString ( ) ) ;
return val ;
@ -1171,7 +1173,7 @@ public final class CronExpression implements Serializable, Cloneable {
public Date getTimeAfter ( Date afterTime ) {
// Computation is based on Gregorian year only.
Calendar cl = new java . util . GregorianCalendar ( getTimeZone ( ) ) ;
Calendar cl = new java . util . GregorianCalendar ( getTimeZone ( ) ) ;
// move ahead one second, since we're computing the time *after* the
// given time
@ -1185,7 +1187,7 @@ public final class CronExpression implements Serializable, Cloneable {
while ( ! gotOne ) {
//if (endTime != null && cl.getTime().after(endTime)) return null;
if ( cl . get ( Calendar . YEAR ) > 2999 ) { // prevent endless loop...
if ( cl . get ( Calendar . YEAR ) > 2999 ) { // prevent endless loop...
return null ;
}
@ -1255,20 +1257,20 @@ public final class CronExpression implements Serializable, Cloneable {
// 1-based
t = - 1 ;
int tmon = mon ;
// get day...................................................
boolean dayOfMSpec = ! daysOfMonth . contains ( NO_SPEC ) ;
boolean dayOfWSpec = ! daysOfWeek . contains ( NO_SPEC ) ;
if ( dayOfMSpec & & ! dayOfWSpec ) { // get day by day of month rule
st = daysOfMonth . tailSet ( day ) ;
if ( lastdayOfMonth ) {
if ( ! nearestWeekday ) {
if ( ! nearestWeekday ) {
t = day ;
day = getLastDayOfMonth ( mon , cl . get ( Calendar . YEAR ) ) ;
day - = lastdayOffset ;
if ( t > day ) {
if ( t > day ) {
mon + + ;
if ( mon > 12 ) {
if ( mon > 12 ) {
mon = 1 ;
tmon = 3333 ; // ensure test of mon != tmon further below fails
cl . add ( Calendar . YEAR , 1 ) ;
@ -1279,72 +1281,72 @@ public final class CronExpression implements Serializable, Cloneable {
t = day ;
day = getLastDayOfMonth ( mon , cl . get ( Calendar . YEAR ) ) ;
day - = lastdayOffset ;
java. util . Calendar tcal = java. util . Calendar. getInstance ( getTimeZone ( ) ) ;
tcal = . getInstance ( getTimeZone ( ) ) ;
tcal . set ( Calendar . SECOND , 0 ) ;
tcal . set ( Calendar . MINUTE , 0 ) ;
tcal . set ( Calendar . HOUR_OF_DAY , 0 ) ;
tcal . set ( Calendar . DAY_OF_MONTH , day ) ;
tcal . set ( Calendar . MONTH , mon - 1 ) ;
tcal . set ( Calendar . YEAR , cl . get ( Calendar . YEAR ) ) ;
int ldom = getLastDayOfMonth ( mon , cl . get ( Calendar . YEAR ) ) ;
int dow = tcal . get ( Calendar . DAY_OF_WEEK ) ;
if ( dow = = Calendar . SATURDAY & & day = = 1 ) {
if ( dow = = Calendar . SATURDAY & & day = = 1 ) {
day + = 2 ;
} else if ( dow = = Calendar . SATURDAY ) {
} else if ( dow = = Calendar . SATURDAY ) {
day - = 1 ;
} else if ( dow = = Calendar . SUNDAY & & day = = ldom ) {
} else if ( dow = = Calendar . SUNDAY & & day = = ldom ) {
day - = 2 ;
} else if ( dow = = Calendar . SUNDAY ) {
} else if ( dow = = Calendar . SUNDAY ) {
day + = 1 ;
}
tcal . set ( Calendar . SECOND , sec ) ;
tcal . set ( Calendar . MINUTE , min ) ;
tcal . set ( Calendar . HOUR_OF_DAY , hr ) ;
tcal . set ( Calendar . DAY_OF_MONTH , day ) ;
tcal . set ( Calendar . MONTH , mon - 1 ) ;
Date nTime = tcal . getTime ( ) ;
if ( nTime . before ( afterTime ) ) {
if ( nTime . before ( afterTime ) ) {
day = 1 ;
mon + + ;
}
}
} else if ( nearestWeekday ) {
} else if ( nearestWeekday ) {
t = day ;
day = daysOfMonth . first ( ) ;
java. util . Calendar tcal = java. util . Calendar. getInstance ( getTimeZone ( ) ) ;
tcal = . getInstance ( getTimeZone ( ) ) ;
tcal . set ( Calendar . SECOND , 0 ) ;
tcal . set ( Calendar . MINUTE , 0 ) ;
tcal . set ( Calendar . HOUR_OF_DAY , 0 ) ;
tcal . set ( Calendar . DAY_OF_MONTH , day ) ;
tcal . set ( Calendar . MONTH , mon - 1 ) ;
tcal . set ( Calendar . YEAR , cl . get ( Calendar . YEAR ) ) ;
int ldom = getLastDayOfMonth ( mon , cl . get ( Calendar . YEAR ) ) ;
int dow = tcal . get ( Calendar . DAY_OF_WEEK ) ;
if ( dow = = Calendar . SATURDAY & & day = = 1 ) {
if ( dow = = Calendar . SATURDAY & & day = = 1 ) {
day + = 2 ;
} else if ( dow = = Calendar . SATURDAY ) {
} else if ( dow = = Calendar . SATURDAY ) {
day - = 1 ;
} else if ( dow = = Calendar . SUNDAY & & day = = ldom ) {
} else if ( dow = = Calendar . SUNDAY & & day = = ldom ) {
day - = 2 ;
} else if ( dow = = Calendar . SUNDAY ) {
} else if ( dow = = Calendar . SUNDAY ) {
day + = 1 ;
}
tcal . set ( Calendar . SECOND , sec ) ;
tcal . set ( Calendar . MINUTE , min ) ;
tcal . set ( Calendar . HOUR_OF_DAY , hr ) ;
tcal . set ( Calendar . DAY_OF_MONTH , day ) ;
tcal . set ( Calendar . MONTH , mon - 1 ) ;
Date nTime = tcal . getTime ( ) ;
if ( nTime . before ( afterTime ) ) {
if ( nTime . before ( afterTime ) ) {
day = daysOfMonth . first ( ) ;
mon + + ;
}
@ -1361,7 +1363,7 @@ public final class CronExpression implements Serializable, Cloneable {
day = daysOfMonth . first ( ) ;
mon + + ;
}
if ( day ! = t | | mon ! = tmon ) {
cl . set ( Calendar . SECOND , 0 ) ;
cl . set ( Calendar . MINUTE , 0 ) ;
@ -1442,8 +1444,8 @@ public final class CronExpression implements Serializable, Cloneable {
daysToAdd = ( nthdayOfWeek - weekOfMonth ) * 7 ;
day + = daysToAdd ;
if ( daysToAdd < 0
| | day > getLastDayOfMonth ( mon , cl
. get ( Calendar . YEAR ) ) ) {
| | day > getLastDayOfMonth ( mon , cl
. get ( Calendar . YEAR ) ) ) {
cl . set ( Calendar . SECOND , 0 ) ;
cl . set ( Calendar . MINUTE , 0 ) ;
cl . set ( Calendar . HOUR_OF_DAY , 0 ) ;
@ -1501,7 +1503,7 @@ public final class CronExpression implements Serializable, Cloneable {
}
} else { // dayOfWSpec && !dayOfMSpec
throw new UnsupportedOperationException (
"Support for specifying both a day-of-week AND a day-of-month parameter is not implemented." ) ;
"Support for specifying both a day-of-week AND a day-of-month parameter is not implemented." ) ;
}
cl . set ( Calendar . DAY_OF_MONTH , day ) ;
@ -1575,35 +1577,35 @@ public final class CronExpression implements Serializable, Cloneable {
/ * *
* Advance the calendar to the particular hour paying particular attention
* to daylight saving problems .
*
* @param cal the calendar to operate on
*
* @param cal the calendar to operate on
* @param hour the hour to set
* /
protected void setCalendarHour ( Calendar cal , int hour ) {
cal . set ( java. util . Calendar. HOUR_OF_DAY , hour ) ;
if ( cal . get ( java. util . Calendar. HOUR_OF_DAY ) ! = hour & & hour ! = 24 ) {
cal . set ( java. util . Calendar. HOUR_OF_DAY , hour + 1 ) ;
cal . set ( . HOUR_OF_DAY , hour ) ;
if ( cal . get ( . HOUR_OF_DAY ) ! = hour & & hour ! = 24 ) {
cal . set ( . HOUR_OF_DAY , hour + 1 ) ;
}
}
/ * *
* NOT YET IMPLEMENTED : Returns the time before the given time
* that the < code > CronExpression < / code > matches .
* /
public Date getTimeBefore ( Date endTime ) {
* /
public Date getTimeBefore ( Date endTime ) {
// FUTURE_TODO: implement QUARTZ-423
return null ;
}
/ * *
* NOT YET IMPLEMENTED : Returns the final time that the
* NOT YET IMPLEMENTED : Returns the final time that the
* < code > CronExpression < / code > will match .
* /
public Date getFinalFireTime ( ) {
// FUTURE_TODO: implement QUARTZ-423
return null ;
}
protected boolean isLeapYear ( int year ) {
return ( ( year % 4 = = 0 & & year % 100 ! = 0 ) | | ( year % 400 = = 0 ) ) ;
}
@ -1637,21 +1639,21 @@ public final class CronExpression implements Serializable, Cloneable {
return 31 ;
default :
throw new IllegalArgumentException ( "Illegal month number: "
+ monthNum ) ;
+ monthNum ) ;
}
}
private void readObject ( java . io . ObjectInputStream stream )
throws java . io . IOException , ClassNotFoundException {
stream . defaultReadObject ( ) ;
try {
buildExpression ( cronExpression ) ;
} catch ( Exception ignore ) {
} // never happens
}
}
@Override
@Deprecated
public Object clone ( ) {
疯狂的狮子Li
4 years ago