org.apache.lenya.cms.scheduler.xml
Class TriggerHelper

java.lang.Object
  org.apache.lenya.cms.scheduler.xml.TriggerHelper

public final class TriggerHelper
extends java.lang.Object

Utility class to work with trigger XML.

Field Summary

static java.lang.String	CRON_EXPRESSION
static java.lang.String	DAY
static java.lang.String	HOUR
static java.lang.String	MINUTE
static java.lang.String	MONTH
static java.lang.String	ONCE
static java.lang.String	PREFIX
static java.lang.String	REPEATED
static java.lang.String	TRIGGER_TYPE
static java.lang.String	YEAR

Method Summary

static org.quartz.Trigger	createCronTrigger(java.lang.String jobName, java.lang.String jobGroup, java.lang.String cron_expression) Creates a cron trigger.
static org.w3c.dom.Element	createElement(NamespaceHelper helper, org.quartz.Trigger trigger) Creates an XML element containing trigger information.
static org.quartz.Trigger	createSimpleTrigger(java.lang.String jobName, java.lang.String jobGroup, java.util.Date date) Creates a simple trigger.
static org.quartz.Trigger	createTrigger(org.w3c.dom.Element element, java.lang.String jobName, java.lang.String jobGroup) Creates a trigger from an XML element.
protected static java.lang.String	createUniqueTriggerId() Creates a unique trigger ID.
static java.util.Date	getDate(NamespaceMap schedulerParameters) Extracts the date from the scheduler parameters.

Methods inherited from class java.lang.Object

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

Field Detail

YEAR

public static final java.lang.String YEAR

See Also:

Constant Field Values

MONTH

public static final java.lang.String MONTH

See Also:

Constant Field Values

DAY

public static final java.lang.String DAY

See Also:

Constant Field Values

HOUR

public static final java.lang.String HOUR

See Also:

Constant Field Values

MINUTE

public static final java.lang.String MINUTE

See Also:

Constant Field Values

TRIGGER_TYPE

public static final java.lang.String TRIGGER_TYPE

See Also:

Constant Field Values

ONCE

public static final java.lang.String ONCE

See Also:

Constant Field Values

REPEATED

public static final java.lang.String REPEATED

See Also:

Constant Field Values

CRON_EXPRESSION

public static final java.lang.String CRON_EXPRESSION

See Also:

Constant Field Values

PREFIX

public static final java.lang.String PREFIX

See Also:

Constant Field Values

Method Detail

createTrigger

public static org.quartz.Trigger createTrigger(org.w3c.dom.Element element,
                                               java.lang.String jobName,
                                               java.lang.String jobGroup)

Creates a trigger from an XML element.

Parameters:

element - The XML element.

jobName - The job name.

jobGroup - The job group.

Returns:

A trigger.

createUniqueTriggerId

protected static java.lang.String createUniqueTriggerId()

Creates a unique trigger ID.

Returns:

A string.

createSimpleTrigger

public static org.quartz.Trigger createSimpleTrigger(java.lang.String jobName,
                                                     java.lang.String jobGroup,
                                                     java.util.Date date)

Creates a simple trigger.

Parameters:

jobName - The job name.

jobGroup - The job group.

date - The trigger date.

Returns:

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createCronTrigger

public static org.quartz.Trigger createCronTrigger(java.lang.String jobName,
                                                   java.lang.String jobGroup,
                                                   java.lang.String cron_expression)

Creates a cron trigger.

Parameters:

jobName - The job name.

jobGroup - The job group.

cron_expression - Seconds, Minutes, Hours, Day of Month, Months, Day of Week (e.g. 34 ?)

Returns:

A trigger.

createElement

public static org.w3c.dom.Element createElement(NamespaceHelper helper,
                                                org.quartz.Trigger trigger)

Creates an XML element containing trigger information.

Parameters:

helper - The namespace helper to use.

trigger - The trigger.

Returns:

An XML element.

getDate

public static java.util.Date getDate(NamespaceMap schedulerParameters)
                              throws java.io.IOException

Extracts the date from the scheduler parameters.

Parameters:

schedulerParameters - The scheduler parameters.

Returns:

A date.

Throws:

java.io.IOException - when something went wrong.