public interface RosterListener
Roster.addRosterListener(RosterListener)
Modifier and Type | Method and Description |
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void |
entriesAdded(Collection<Jid> addresses)
Called when roster entries are added.
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void |
entriesDeleted(Collection<Jid> addresses)
Called when a roster entries are removed.
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void |
entriesUpdated(Collection<Jid> addresses)
Called when a roster entries are updated.
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void |
presenceChanged(Presence presence)
Called when the presence of a roster entry is changed.
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void entriesAdded(Collection<Jid> addresses)
addresses
- the XMPP addresses of the contacts that have been added to the roster.void entriesUpdated(Collection<Jid> addresses)
addresses
- the XMPP addresses of the contacts whose entries have been updated.void entriesDeleted(Collection<Jid> addresses)
addresses
- the XMPP addresses of the contacts that have been removed from the roster.void presenceChanged(Presence presence)
To get the current "best presence" for a user after the presence update, query the roster:
String user = presence.getFrom(); Presence bestPresence = roster.getPresence(user);That will return the presence value for the user with the highest priority and availability. Note that this listener is triggered for presence (mode) changes only (e.g presence of types available and unavailable. Subscription-related presence packets will not cause this method to be called.
presence
- the presence that changed.Roster.getPresence(org.jxmpp.jid.BareJid)