Examples of org.jivesoftware.smackx.ServiceDiscoveryManager

org.jivesoftware.smackx.ServiceDiscoveryManager
Manages discovery of services in XMPP entities. This class provides:
1. A registry of supported features in this XMPP entity.
2. Automatic response when this XMPP entity is queried for information.
3. Ability to discover items and information of remote XMPP entities.
4. Ability to publish publicly available items.
@author Gaston Dombiak

            if (!BuddyList.getInstance().checkConnection()) {
                BuddyList.getInstance().connectionError();
                return;
            }


            ServiceDiscoveryManager manager = new ServiceDiscoveryManager(
                    BuddyList.getInstance().getConnection());


            // get the discover items for the server
            try {
                DiscoverItems items = manager.discoverItems(serverField.getText());
                Iterator i = items.getItems();


                String top[] = new String[]{serverField.getText(),
                        serverField.getText(), "", "", ""};
                discoItems.add(top);
                tableModel.addItem(top);


                while (i.hasNext()) {
                    DiscoverItems.Item item = (DiscoverItems.Item) i.next();
                    if (stopped) {
                        return;
                    }


                    final String[] entry = new String[]{item.getName(),
                            item.getEntityID(), "", ""};
                    discoItems.add(entry);


                    SwingUtilities.invokeLater(
                        new Runnable() {
                            public void run() {
                                tableModel.addItem(entry);
                            }
                        });
                }


                for (int icount = 0; icount < discoItems.size(); icount++) {
                    String[] entry = (String[]) discoItems.get(icount);
                    final String id = entry[1];


                    status.setText(resources.getString("status") + ": "
                             + resources.getString("gettingFeatures") + " ("
                             + id + ") ...");


                    // get the discover info about each item
                    DiscoverInfo info = null;


                    try {
                        info = manager.discoverInfo(id);
                    } catch (XMPPException e) {
                    }


                    // if the service discovery has been aborted, bail out
                    if (stopped) {

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     * @param jid the full JID to retrieve the commands for.
     * @return the discovered items.
     * @throws XMPPException if the operation failed for some reason.
     */
    public DiscoverItems discoverCommands(String jid) throws XMPPException {
        ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager
                .getInstanceFor(connection);
        return serviceDiscoveryManager.discoverItems(jid, discoNode);
    }

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     *
     * @param jid the full JID to publish the commands to.
     * @throws XMPPException if the operation failed for some reason.
     */
    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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     * @return a Collection of search services found on the server.
     * @throws XMPPException thrown if a server error has occurred.
     */
    public Collection getSearchServices() throws XMPPException {
        final List<String> searchServices = new ArrayList<String>();
        ServiceDiscoveryManager discoManager = ServiceDiscoveryManager.getInstanceFor(con);
        DiscoverItems items = discoManager.discoverItems(con.getServiceName());
        Iterator<DiscoverItems.Item> iter = items.getItems();
        while (iter.hasNext()) {
            DiscoverItems.Item item = iter.next();
            try {
                DiscoverInfo info;
                try {
                    info = discoManager.discoverInfo(item.getEntityID());
                }
                catch (XMPPException e) {
                    // Ignore Case
                    continue;
                }

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        // mock nextResult method
        when(collector.nextResult(anyInt())).thenAnswer(answer);
        when(collector.nextResult()).thenAnswer(answer);


        // initialize service discovery manager for this connection
        new ServiceDiscoveryManager(connection);


        return connection;
    }

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        // mock connection
        connection = mock(Connection.class);


        // create service discovery manager for mocked connection
        new ServiceDiscoveryManager(connection);


        // initialize Socks5ByteStreamManager to get the InitiationListener
        byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);


        // get the InitiationListener from Socks5ByteStreamManager

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        if (managers.size() == 0) {
            Socks5Proxy.getSocks5Proxy().stop();
        }


        // remove feature from service discovery
        ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(this.connection);


        // check if service discovery is not already disposed by connection shutdown
        if (serviceDiscoveryManager != null) {
            serviceDiscoveryManager.removeFeature(NAMESPACE);
        }


    }

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     * @return <code>true</code> if the given target JID supports feature SOCKS5 Bytestream
     *         otherwise <code>false</code>
     * @throws XMPPException if there was an error querying target for supported features
     */
    private boolean supportsSocks5(String targetJID) throws XMPPException {
        ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(this.connection);
        DiscoverInfo discoverInfo = serviceDiscoveryManager.discoverInfo(targetJID);
        return discoverInfo.containsFeature(NAMESPACE);
    }

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     * 
     * @return list of JIDs of SOCKS5 proxies
     * @throws XMPPException if there was an error querying the XMPP server for SOCKS5 proxies
     */
    private List<String> determineProxies() throws XMPPException {
        ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(this.connection);


        List<String> proxies = new ArrayList<String>();


        // get all items form XMPP server
        DiscoverItems discoverItems = serviceDiscoveryManager.discoverItems(this.connection.getServiceName());
        Iterator<Item> itemIterator = discoverItems.getItems();


        // query all items if they are SOCKS5 proxies
        while (itemIterator.hasNext()) {
            Item item = itemIterator.next();


            // skip blacklisted servers
            if (this.proxyBlacklist.contains(item.getEntityID())) {
                continue;
            }


            try {
                DiscoverInfo proxyInfo;
                proxyInfo = serviceDiscoveryManager.discoverInfo(item.getEntityID());
                Iterator<Identity> identities = proxyInfo.getIdentities();


                // item must have category "proxy" and type "bytestream"
                while (identities.hasNext()) {
                    Identity identity = identities.next();

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    /**
     * Adds the SOCKS5 Bytestream feature to the service discovery.
     */
    private void enableService() {
        ServiceDiscoveryManager manager = ServiceDiscoveryManager.getInstanceFor(this.connection);
        if (!manager.includesFeature(NAMESPACE)) {
            manager.addFeature(NAMESPACE);
        }
    }

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