Examples of org.jivesoftware.smackx.packet.DiscoverItems

org.jivesoftware.smackx.packet.DiscoverItems
A DiscoverItems IQ packet, which is used by XMPP clients to request and receive items associated with XMPP entities.
The items could also be queried in order to discover if they contain items inside. Some items may be addressable by its JID and others may require to be addressed by a JID and a node name. @author Gaston Dombiak

     * @throws XMPPException If the user is not allowed to make this request or the server does
     *                       not support offline message retrieval.
     */
    public Iterator<OfflineMessageHeader> getHeaders() throws XMPPException {
        List<OfflineMessageHeader> answer = new ArrayList<OfflineMessageHeader>();
        DiscoverItems items = ServiceDiscoveryManager.getInstanceFor(connection).discoverItems(
                null, namespace);
        for (Iterator<DiscoverItems.Item> it = items.getItems(); it.hasNext();) {
            DiscoverItems.Item item = it.next();
            answer.add(new OfflineMessageHeader(item));
        }
        return answer.iterator();
    }

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   * @throws XMPPException
   */
  public DiscoverItems discoverNodes(String nodeId)
    throws XMPPException
  {
    DiscoverItems items = new DiscoverItems();
    
    if (nodeId != null)
      items.setNode(nodeId);
    items.setTo(to);
    DiscoverItems nodeItems = (DiscoverItems)SyncPacketSend.getReply(con, items);
    return nodeItems;
  }

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    public void publishCommands(String jid) throws XMPPException {
        ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager
                .getInstanceFor(connection);


        // Collects the commands to publish as items
        DiscoverItems discoverItems = new DiscoverItems();
        Collection<AdHocCommandInfo> xCommandsList = getRegisteredCommands();


        for (AdHocCommandInfo info : xCommandsList) {
            DiscoverItems.Item item = new DiscoverItems.Item(info.getOwnerJID());
            item.setName(info.getName());
            item.setNode(info.getNode());
            discoverItems.addItem(item);
        }


        serviceDiscoveryManager.publishItems(jid, discoNode, discoverItems);
    }

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     */
    public static Iterator<String> getJoinedRooms(Connection connection, String user) {
        try {
            ArrayList<String> answer = new ArrayList<String>();
            // Send the disco packet to the user
            DiscoverItems result =
                ServiceDiscoveryManager.getInstanceFor(connection).discoverItems(user, discoNode);
            // Collect the entityID for each returned item
            for (Iterator<DiscoverItems.Item> items=result.getItems(); items.hasNext();) {
                answer.add(items.next().getEntityID());
            }
            return answer.iterator();
        }
        catch (XMPPException e) {

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     * @throws XMPPException if an error occured while trying to discover MUC services.
     */
    public static Collection<String> getServiceNames(Connection connection) throws XMPPException {
        final List<String> answer = new ArrayList<String>();
        ServiceDiscoveryManager discoManager = ServiceDiscoveryManager.getInstanceFor(connection);
        DiscoverItems items = discoManager.discoverItems(connection.getServiceName());
        for (Iterator<DiscoverItems.Item> it = items.getItems(); it.hasNext();) {
            DiscoverItems.Item item = it.next();
            try {
                DiscoverInfo info = discoManager.discoverInfo(item.getEntityID());
                if (info.containsFeature("http://jabber.org/protocol/muc")) {
                    answer.add(item.getEntityID());

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     */
    public static Collection<HostedRoom> getHostedRooms(Connection connection, String serviceName)
            throws XMPPException {
        List<HostedRoom> answer = new ArrayList<HostedRoom>();
        ServiceDiscoveryManager discoManager = ServiceDiscoveryManager.getInstanceFor(connection);
        DiscoverItems items = discoManager.discoverItems(serviceName);
        for (Iterator<DiscoverItems.Item> it = items.getItems(); it.hasNext();) {
            answer.add(new HostedRoom(it.next()));
        }
        return answer;
    }

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