mutableRoster.addItem(rosterItem);
}
public RosterItem getContact(Entity jidUser, Entity jidContact) throws RosterException {
if (jidUser == null)
throw new RosterException("jid not provided");
Roster roster = retrieve(jidUser);
if (roster == null)
throw new RosterException("roster not available for jid = " + jidUser.getFullQualifiedName());
return roster.getEntry(jidContact);
}