net.fortuna.ical4j.model.component

Class Observance

java.lang.Object

net.fortuna.ical4j.model.Component

net.fortuna.ical4j.model.component.Observance

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable

Direct Known Subclasses:

Daylight, Standard

public abstract class Observance
extends Component
implements java.lang.Comparable

$Id: Observance.java,v 1.22 2008/12/16 12:34:53 fortuna Exp $ [05-Apr-2004] Defines an iCalendar sub-component representing a timezone observance. Class made abstract such that only Standard and Daylight instances are valid.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DAYLIGHT
static java.lang.String	STANDARD one of 'standardc' or 'daylightc' MUST occur and each MAY occur more than once.

Fields inherited from class net.fortuna.ical4j.model.Component

AVAILABLE, BEGIN, END, EXPERIMENTAL_PREFIX, VALARM, VAVAILABILITY, VEVENT, VFREEBUSY, VJOURNAL, VTIMEZONE, VTODO, VVENUE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Observance(java.lang.String name) Constructs a timezone observance with the specified name and no properties.
protected	Observance(java.lang.String name, PropertyList properties) Constructor protected to enforce use of sub-classes from this library.

Method Summary

Modifier and Type	Method and Description
int	compareTo(java.lang.Object arg0)
int	compareTo(Observance arg0)
Date	getLatestOnset(Date date) Returns the latest applicable onset of this observance for the specified date.
TzOffsetFrom	getOffsetFrom() Returns the mandatory tzoffsetfrom property.
TzOffsetTo	getOffsetTo() Returns the mandatory tzoffsetto property.
DtStart	getStartDate() Returns the mandatory dtstart property.
void	validate(boolean recurse) Perform validation on a component.

Methods inherited from class net.fortuna.ical4j.model.Component

calculateRecurrenceSet, copy, equals, getName, getProperties, getProperties, getProperty, hashCode, toString, validate, validateProperties

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

STANDARD

public static final java.lang.String STANDARD

one of 'standardc' or 'daylightc' MUST occur and each MAY occur more than once.

See Also:

Constant Field Values

DAYLIGHT

public static final java.lang.String DAYLIGHT

See Also:

Constant Field Values

Constructor Detail

Observance

protected Observance(java.lang.String name)

Constructs a timezone observance with the specified name and no properties.

Parameters:

name - the name of this observance component

Observance

protected Observance(java.lang.String name,
                     PropertyList properties)

Constructor protected to enforce use of sub-classes from this library.

Parameters:

name - the name of the time type

properties - a list of properties

Method Detail

validate

public final void validate(boolean recurse)
                    throws ValidationException

Description copied from class: Component

Perform validation on a component.

Specified by:

validate in class Component

Parameters:

recurse - indicates whether to validate the component's properties

Throws:

ValidationException - where the component is not in a valid state

See Also:

Component.validate(boolean)

getLatestOnset

public final Date getLatestOnset(Date date)

Returns the latest applicable onset of this observance for the specified date.

Parameters:

date - the latest date that an observance onset may occur

Returns:

the latest applicable observance date or null if there is no applicable observance onset for the specified date

getStartDate

public final DtStart getStartDate()

Returns the mandatory dtstart property.

Returns:

getOffsetFrom

public final TzOffsetFrom getOffsetFrom()

Returns the mandatory tzoffsetfrom property.

Returns:

getOffsetTo

public final TzOffsetTo getOffsetTo()

Returns the mandatory tzoffsetto property.

Returns:

compareTo

public final int compareTo(java.lang.Object arg0)

Specified by:

compareTo in interface java.lang.Comparable

compareTo

public final int compareTo(Observance arg0)

Parameters:

arg0 -

Returns: