/**
* Adds the group users of the given shared group to the roster of the specified user.
*
* @param group the shared group to add to the roster of a user.
* @param username the name of the user to add a shared group to his roster.
*/
private void addSharedGroupToRoster(Group group, String username) {
// Get the group users to add to the user's roster
Collection<String> users = new HashSet<String>(group.getMembers());
users.addAll(group.getAdmins());
// Get the roster of the user from which we need to add the shared group users
Roster userRoster = (Roster) CacheManager.getCache("username2roster").get(username);
// Iterate on all the group users and update their rosters
for (String userToAdd : users) {
// Get the roster to update
Roster roster = (Roster) CacheManager.getCache("username2roster").get(userToAdd);
// Only update rosters in memory
if (roster != null) {
roster.addSharedUser(group, username);
}
// Update the roster of the user
if (userRoster != null) {
try {
User user = UserManager.getInstance().getUser(userToAdd);
Collection<Group> groups = GroupManager.getInstance().getGroups(user);
userRoster.addSharedUser(userToAdd, groups, group);
} catch (UserNotFoundException e) {
}
}
}
}
/**
* Notification that a Group user has been added. Update the group users' roster accordingly.
*
* @param group the group where the user was added.
* @param addedUser the username of the user that has been added to the group.
*/
private void groupUserAdded(Group group, String addedUser) {
// Get all the affected users
Collection<String> users = getAffectedUsers(group);
// Get the roster of the added user.
Roster addedUserRoster = (Roster) CacheManager.getCache("username2roster").get(addedUser);
// Iterate on all the affected users and update their rosters
for (String userToUpdate : users) {
if (!addedUser.equals(userToUpdate)) {
// Get the roster to update
Roster roster = (Roster) CacheManager.getCache("username2roster").get(userToUpdate);
// Only update rosters in memory
if (roster != null) {
roster.addSharedUser(group, addedUser);
}
// Update the roster of the newly added group user.
if (addedUserRoster != null) {
try {
User user = UserManager.getInstance().getUser(userToUpdate);
Collection<Group> groups = GroupManager.getInstance().getGroups(user);
addedUserRoster.addSharedUser(userToUpdate, groups, group);
} catch (UserNotFoundException e) {
}
}
}
}
}
