Class EntityCaps

src/main/java/xmpp/EntityCaps.java:32–208

@author Evg_S

 * @author Evg_S
 */
public class EntityCaps implements JabberBlockListener {
    
    public final static String NS_CAPS = "http://jabber.org/protocol/caps";

    /**
     * Creates a new instance of EntityCaps
     */
    public EntityCaps() {
        initCaps();
    }

    public int blockArrived(JabberDataBlock data) {
        if (!(data instanceof Iq)) {
            return BLOCK_REJECTED;
        }
        if (!data.getTypeAttribute().equals("get")) {
            return BLOCK_REJECTED;
        }

        JabberDataBlock query = data.findNamespace("query", "http://jabber.org/protocol/disco#info");
        if (query == null) {
            return BLOCK_REJECTED;
        }
        String node = query.getAttribute("node");

        if (node != null) {
            try {
                if (!node.equals(BOMBUS_NAMESPACE + "#" + calcVerHash())) {
                    return BLOCK_REJECTED;
                }
            } catch (Exception e) {
                e.printStackTrace();
                return BLOCK_REJECTED;
            }
        }

        JabberDataBlock result = new Iq(data.getAttribute("from"), Iq.TYPE_RESULT, data.getAttribute("id"));
        result.addChild(query);

        JabberDataBlock identity = query.addChild("identity", null);
        identity.setAttribute("category", BOMBUS_ID_CATEGORY);
        identity.setAttribute("type", BOMBUS_ID_TYPE);
        identity.setAttribute("name", StaticData.getInstance().getVersionInfo().getName());

        int j = features.size();
        for (int i = 0; i < j; i++) {
            query.addChild("feature", null).setAttribute("var", (String) features.elementAt(i));
        }

        StaticData.getInstance().getTheStream().send(result);

        return BLOCK_PROCESSED;
    }
    public static String ver = null;

    public static String calcVerHash() throws Exception {
        if (ver != null) {
            return ver;