/**
* Set the current groups for the item.
*
* @param groups The new lists of groups the item belongs to.
* @throws org.jivesoftware.openfire.SharedGroupException if trying to remove shared group.
*/
public void setGroups(List<String> groups) throws SharedGroupException {
if (groups == null) {
this.groups = new LinkedList<String>();
} else {
// Raise an error if the user is trying to remove the item from a shared group
for (Group group : getSharedGroups()) {
// Get the display name of the group
String groupName = group.getProperties().get("sharedRoster.displayName");
// Check if the group has been removed from the new groups list
if (!groups.contains(groupName)) {
throw new SharedGroupException("Cannot remove item from shared group");
}
}
// Remove shared groups from the param
Collection<Group> existingGroups = GroupManager.getInstance().getSharedGroups();
for (Iterator<String> it = groups.iterator(); it.hasNext(); ) {
String groupName = it.next();
try {
// Optimistic approach for performance reasons. Assume first that the shared
// group name is the same as the display name for the shared roster
// Check if exists a shared group with this name
Group group = GroupManager.getInstance().getGroup(groupName);
// Get the display name of the group
String displayName = group.getProperties().get("sharedRoster.displayName");
if (displayName != null && displayName.equals(groupName)) {
// Remove the shared group from the list (since it exists)
try {
it.remove();
} catch (IllegalStateException e) {
// Do nothing
}
}
} catch (GroupNotFoundException e) {
// Check now if there is a group whose display name matches the requested group
for (Group group : existingGroups) {
// Get the display name of the group
String displayName = group.getProperties().get("sharedRoster.displayName");
if (displayName != null && displayName.equals(groupName)) {
// Remove the shared group from the list (since it exists)
try {
it.remove();
} catch (IllegalStateException ise) {
// Do nothing
}
}
}
}
}
this.groups = groups;
}
}
@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
IQ result = IQ.createResultIQ(packet);
String username = packet.getFrom().getNode();
if (!serverName.equals(packet.getFrom().getDomain()) || username == null) {
// Users of remote servers are not allowed to get their "shared groups". Users of
// remote servers cannot have shared groups in this server.
// Besides, anonymous users do not belong to shared groups so answer an error
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.not_allowed);
return result;
}
Collection<Group> groups = rosterManager.getSharedGroups(username);
Element sharedGroups =
result.setChildElement("sharedgroup", "http://www.jivesoftware.org/protocol/sharedgroup");
for (Group sharedGroup : groups) {
String displayName = sharedGroup.getProperties().get("sharedRoster.displayName");
if (displayName != null) {
sharedGroups.addElement("group").setText(displayName);
}
}
return result;
}