public IQ parseIQ(XmlPullParser parser) throws Exception {
    DiscoverInfo discoverInfo = new DiscoverInfo();
    boolean done = false;
    DiscoverInfo.Feature feature = null;
    DiscoverInfo.Identity identity = null;
    String category = "";
    String name = "";
    String type = "";
    String variable = "";
    discoverInfo.setNode(parser.getAttributeValue("", "node"));
    while (!done) {
      int eventType = parser.next();
      if (eventType == XmlPullParser.START_TAG) {
        if (parser.getName().equals("identity")) {
          // Initialize the variables from the parsed XML
          category = parser.getAttributeValue("", "category");
          name = parser.getAttributeValue("", "name");
          type = parser.getAttributeValue("", "type");
        } else if (parser.getName().equals("feature")) {
          // Initialize the variables from the parsed XML
          variable = parser.getAttributeValue("", "var");
        }
        // Otherwise, it must be a packet extension.
        else {
          discoverInfo.addExtension(
              PacketParserUtils.parsePacketExtension(
                  parser.getName(), parser.getNamespace(), parser));
        }
      } else if (eventType == XmlPullParser.END_TAG) {
        if (parser.getName().equals("identity")) {
          // Create a new identity and add it to the discovered info.
          identity = new DiscoverInfo.Identity(category, name);
          identity.setType(type);
          discoverInfo.addIdentity(identity);
        }
        if (parser.getName().equals("feature")) {
          // Create a new feature and add it to the discovered info.
          discoverInfo.addFeature(variable);
        }
        if (parser.getName().equals("query")) {
          done = true;
        }
      }
    }

    return discoverInfo;
  }