Package com.atlassian.confluence.plugins.schedule.admin.support

Class CronExpressionValidator

java.lang.Object

com.atlassian.confluence.plugins.schedule.admin.support.CronExpressionValidator

public class CronExpressionValidator
extends Object

Validates a cron expression, and returns the future executions.

Constructor Summary

Constructors

Constructor	Description
CronExpressionValidator(com.atlassian.scheduler.core.spi.SchedulerServiceConfiguration schedulerConfig)

Method Summary

Modifier and Type	Method	Description
List<Date>	getFutureSchedules(String cronExpressionValue, int limit)	Finds the next execution occurrences of a cron expression from now.
List<Date>	getFutureSchedules(String cronExpressionValue, int limit, Date fromDate)	Finds the next execution occurrences of a cron expression from now.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CronExpressionValidator

public CronExpressionValidator(com.atlassian.scheduler.core.spi.SchedulerServiceConfiguration schedulerConfig)

Method Detail

getFutureSchedules

public List<Date> getFutureSchedules(String cronExpressionValue,
                                     int limit)
                              throws com.atlassian.scheduler.cron.CronSyntaxException

Finds the next execution occurrences of a cron expression from now.

Parameters:

cronExpressionValue - the expression to evaluation

limit - the maximum number of dates to return

Returns:

a list of update "limit" dates for the next executions

Throws:

com.atlassian.scheduler.cron.CronSyntaxException - if the cron expression is invalid

getFutureSchedules

public List<Date> getFutureSchedules(String cronExpressionValue,
                                     int limit,
                                     Date fromDate)
                              throws com.atlassian.scheduler.cron.CronSyntaxException

Finds the next execution occurrences of a cron expression from now.

Parameters:

cronExpressionValue - the expression to evaluation

limit - the maximum number of dates to return

fromDate - the date to start from, or now if null

Returns:

a list of update "limit" dates for the next executions

Throws:

com.atlassian.scheduler.cron.CronSyntaxException - if the cron expression is invalid