Java Code Examples for org.jivesoftware.smackx.disco.ServiceDiscoveryManager#discoverItems()

public Collection<String> getConferenceServices(String serverString) throws Exception {
    Jid server = JidCreate.from(serverString);
    List<String> answer = new ArrayList<>();
    ServiceDiscoveryManager discoManager = ServiceDiscoveryManager.getInstanceFor(SparkManager.getConnection());
    DiscoverItems items = discoManager.discoverItems(server);
    for (DiscoverItems.Item item : items.getItems() ) {
        if (item.getEntityID().toString().startsWith("conference") || item.getEntityID().toString().startsWith("private")) {
            answer.add(item.getEntityID().toString());
        }
        else {
            try {
                DiscoverInfo info = discoManager.discoverInfo(item.getEntityID());
                if (info.containsFeature("http://jabber.org/protocol/muc")) {
                    answer.add(item.getEntityID().toString());
                }
            }
            catch (XMPPException | SmackException e) {
                // Nothing to do
            }
        }
    }
    return answer;
}
 

private Collection<DomainBareJid> getConferenceServices(DomainBareJid server) throws Exception {
    List<DomainBareJid> answer = new ArrayList<>();
    ServiceDiscoveryManager discoManager = ServiceDiscoveryManager.getInstanceFor(SparkManager.getConnection());
    DiscoverItems items = discoManager.discoverItems(server);
    for (DiscoverItems.Item item : items.getItems()) {
        DomainBareJid entityID = item.getEntityID().asDomainBareJid();
        // TODO: We should not simply assumet that this is MUC service just because it starts with a given prefix.
        if (entityID.toString().startsWith("conference") || entityID.toString().startsWith("private")) {
            answer.add(entityID);
        }
        else {
            try {
                DiscoverInfo info = discoManager.discoverInfo(item.getEntityID());
                if (info.containsFeature("http://jabber.org/protocol/muc")) {
                    answer.add(entityID);
                }
            }
            catch (XMPPException | SmackException e) {
                Log.error("Problem when loading conference service.", e);
            }
        }
    }
    return answer;
}
 

/**
 * Does a service discovery on the server to see if a SIPpark Manager is
 * enabled.
 *
 * @param con the XMPPConnection to use.
 * @return true if SIPpark Manager is available.
 */
public static boolean isSoftPhonePluginInstalled(XMPPConnection con) {
    if (!con.isConnected()) {
        return false;
    }

    ServiceDiscoveryManager disco = ServiceDiscoveryManager
            .getInstanceFor(con);
    try {
        DiscoverItems items = disco.discoverItems(con.getXMPPServiceDomain());
        for ( DiscoverItems.Item item : items.getItems() ) {
            if ("SIP Controller".equals(item.getName())) {
                Log.debug("SIP Controller Found");
                return true;
            }
        }
    }
    catch (XMPPException | SmackException e) {
        Log.error("isSparkPluginInstalled", e);
    }

    return false;

}
 

@Override
public SampleResult perform(JMeterXMPPSampler sampler, SampleResult res) throws Exception {
    String entID = sampler.getPropertyAsString(ENTITY_ID);
    res.setSamplerData("Entity ID: " + entID);
    ServiceDiscoveryManager discoMgr = ServiceDiscoveryManager.getInstanceFor(sampler.getXMPPConnection());
    IQ info;
    if (Type.valueOf(sampler.getPropertyAsString(TYPE)) == Type.info) {
        info = discoMgr.discoverInfo(entID);
    } else {
        info = discoMgr.discoverItems(entID);
    }
    res.setResponseData(info.toXML().toString().getBytes());
    return res;
}
 

private EnumMap<Feature, JID> discover(JID entity, boolean withItems) {
    // NOTE: smack automatically creates instances of SDM and CapsM and connects them
    ServiceDiscoveryManager discoManager = ServiceDiscoveryManager.getInstanceFor(mConn);

    // 1. get features from server
    EnumMap<Feature, JID> features = discover(discoManager, entity);
    if (features == null)
        return new EnumMap<>(FeatureDiscovery.Feature.class);

    if (!withItems)
        return features;

    // 2. get server items
    DiscoverItems items;
    try {
        items = discoManager.discoverItems(entity.toBareSmack());
    } catch (SmackException.NoResponseException |
            XMPPException.XMPPErrorException |
            SmackException.NotConnectedException |
            InterruptedException ex) {
        LOGGER.log(Level.WARNING, "can't get service discovery items", ex);
        return features;
    }

    // 3. get features from server items
    for (DiscoverItems.Item item: items.getItems()) {
        EnumMap<Feature, JID> itemFeatures = discover(discoManager, JID.fromSmack(item.getEntityID()));
        if (itemFeatures != null)
            features.putAll(itemFeatures);
    }

    LOGGER.info("supported server features: "+features);
    return features;
}
 

/**
 * Returns a list of JIDs of SOCKS5 proxies by querying the XMPP server. The SOCKS5 proxies are
 * in the same order as returned by the XMPP server.
 *
 * @return list of JIDs of SOCKS5 proxies
 * @throws XMPPErrorException if there was an error querying the XMPP server for SOCKS5 proxies
 * @throws NoResponseException if there was no response from the server.
 * @throws NotConnectedException if the XMPP connection is not connected.
 * @throws InterruptedException if the calling thread was interrupted.
 */
public List<Jid> determineProxies() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
    XMPPConnection connection = connection();
    ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(connection);

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

    // get all items from XMPP server
    DiscoverItems discoverItems = serviceDiscoveryManager.discoverItems(connection.getXMPPServiceDomain());

    // query all items if they are SOCKS5 proxies
    for (Item item : discoverItems.getItems()) {
        // skip blacklisted servers
        if (this.proxyBlacklist.contains(item.getEntityID())) {
            continue;
        }

        DiscoverInfo proxyInfo;
        try {
            proxyInfo = serviceDiscoveryManager.discoverInfo(item.getEntityID());
        }
        catch (NoResponseException | XMPPErrorException e) {
            // blacklist errornous server
            proxyBlacklist.add(item.getEntityID());
            continue;
        }

        if (proxyInfo.hasIdentity("proxy", "bytestreams")) {
            proxies.add(item.getEntityID());
        } else {
            /*
             * server is not a SOCKS5 proxy, blacklist server to skip next time a Socks5
             * bytestream should be established
             */
            this.proxyBlacklist.add(item.getEntityID());
        }
    }

    return proxies;
}
 

/**
 * Check if the server support STUN Service.
 *
 * @param connection the connection
 * @return true if the server support STUN
 * @throws SmackException if Smack detected an exceptional situation.
 * @throws XMPPException if an XMPP protocol error was received.
 * @throws InterruptedException if the calling thread was interrupted.
 */
public static boolean serviceAvailable(XMPPConnection connection) throws XMPPException, SmackException, InterruptedException {

    if (!connection.isConnected()) {
        return false;
    }

    LOGGER.fine("Service listing");

    ServiceDiscoveryManager disco = ServiceDiscoveryManager.getInstanceFor(connection);
    DiscoverItems items = disco.discoverItems(connection.getXMPPServiceDomain());

    for (DiscoverItems.Item item : items.getItems()) {
        DiscoverInfo info = disco.discoverInfo(item.getEntityID());

        for (DiscoverInfo.Identity identity : info.getIdentities()) {
            if (identity.getCategory().equals("proxy") && identity.getType().equals("stun"))
                if (info.containsFeature(NAMESPACE))
                    return true;
        }

        LOGGER.fine(item.getName() + "-" + info.getType());

    }

    return false;
}
 

public void displayRoomInformation(final EntityBareJid roomJID) {
     SwingWorker worker = new SwingWorker() {
         RoomInfo roomInfo = null;
         DiscoverItems items = null;

         @Override
public Object construct() {
             try {
                 roomInfo = MultiUserChatManager.getInstanceFor( SparkManager.getConnection() ).getRoomInfo( roomJID );


                 ServiceDiscoveryManager manager = ServiceDiscoveryManager.getInstanceFor(SparkManager.getConnection());
                 items = manager.discoverItems(roomJID);
             }
             catch (XMPPException | SmackException | InterruptedException e) {
                 Log.error(e);
             }
             return "ok";
         }

         @Override
public void finished() {
             setupRoomInformationUI(roomJID, roomInfo, items);
         }
     };

     worker.start();
 }
 

private void browseItem(DiscoverItems.Item discoveredItem) {
    addAddress(discoveredItem.getEntityID().toString());
    browsePanel.removeAll();
    ServiceDiscoveryManager discoManager = ServiceDiscoveryManager.getInstanceFor(con);
    DiscoverItems result;
    try {
        result = discoManager.discoverItems(discoveredItem.getEntityID());
    }
    catch (XMPPException | SmackException | InterruptedException e) {
        browsePanel.invalidate();
        browsePanel.validate();
        browsePanel.repaint();
        return;
    }

    List<Entity> list = new ArrayList<>();
    for (DiscoverItems.Item item : result.getItems() ) {
        Entity entity = new Entity(item);
        browsePanel.add(entity);
        list.add(entity);
    }

    GraphicUtils.makeSameSize((JComponent[])list.toArray(new JComponent[list.size()]));

    browsePanel.invalidate();
    browsePanel.validate();
    browsePanel.repaint();
}