org.jivesoftware.wildfire.roster
Class RosterEventDispatcher

java.lang.Object
  org.jivesoftware.wildfire.roster.RosterEventDispatcher

public class RosterEventDispatcher
extends Object

Dispatches roster events. The following events are supported:

• rosterLoaded --> A roster has just been loaded.
• contactAdded --> A contact has been added to a roster.
• contactUpdated --> A contact has been updated of a roster.
• contactDeleted --> A contact has been deleted from a roster.

Use addListener(RosterEventListener) and removeListener(RosterEventListener) to add or remove RosterEventListener.

Author:

Gaston Dombiak

Constructor Summary

RosterEventDispatcher()

Method Summary

static boolean	addingContact(Roster roster, RosterItem item, boolean persistent) Notifies listeners that a contact is about to be added to a roster.
static void	addListener(RosterEventListener listener) Registers a listener to receive events.
static void	contactAdded(Roster roster, RosterItem item) Notifies the listeners that a contact has been added to a roster.
static void	contactDeleted(Roster roster, RosterItem item) Notifies the listeners that a contact has been deleted from a roster.
static void	contactUpdated(Roster roster, RosterItem item) Notifies the listeners that a contact has been updated.
static void	removeListener(RosterEventListener listener) Unregisters a listener to receive events.
static void	rosterLoaded(Roster roster) Notifies the listeners that a roster has just been loaded.

Methods inherited from class java.lang.Object

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

Constructor Detail

RosterEventDispatcher

public RosterEventDispatcher()

Method Detail

addListener

public static void addListener(RosterEventListener listener)

Registers a listener to receive events.

Parameters:

listener - the listener.

removeListener

public static void removeListener(RosterEventListener listener)

Unregisters a listener to receive events.

Parameters:

listener - the listener.

rosterLoaded

public static void rosterLoaded(Roster roster)

Notifies the listeners that a roster has just been loaded.

Parameters:

roster - the loaded roster.

addingContact

public static boolean addingContact(Roster roster,
                                    RosterItem item,
                                    boolean persistent)

Notifies listeners that a contact is about to be added to a roster. New contacts may be persisted to the database or not. Listeners may indicate that contact about to be persisted should not be persisted. Only one listener is needed to return false so that the contact is not persisted.

Parameters:

roster - the roster that was updated.

item - the new roster item.

persistent - true if the new contact is going to be saved to the database.

Returns:

false if the contact should not be persisted to the database.

contactAdded

public static void contactAdded(Roster roster,
                                RosterItem item)

Notifies the listeners that a contact has been added to a roster.

Parameters:

roster - the roster that was updated.

item - the new roster item.

contactUpdated

public static void contactUpdated(Roster roster,
                                  RosterItem item)

Notifies the listeners that a contact has been updated.

Parameters:

roster - the roster that was updated.

item - the updated roster item.

contactDeleted

public static void contactDeleted(Roster roster,
                                  RosterItem item)

Notifies the listeners that a contact has been deleted from a roster.

Parameters:

roster - the roster that was updated.

item - the roster item that was deleted.