public void loadData(boolean forceReload) {
   ICFAsteriskSchemaObj schemaObj = (ICFAsteriskSchemaObj) javafxSchema.getSchema();
   if ((listOfExtensionsConf == null) || forceReload) {
     observableListOfExtensionsConf = null;
     listOfExtensionsConf =
         schemaObj.getExtensionsConfTableObj().readAllExtensionsConf(javafxIsInitializing);
     if (listOfExtensionsConf != null) {
       observableListOfExtensionsConf = FXCollections.observableArrayList(listOfExtensionsConf);
       observableListOfExtensionsConf.sort(compareExtensionsConfByQualName);
     } else {
       observableListOfExtensionsConf = FXCollections.observableArrayList();
     }
     dataTable.setItems(observableListOfExtensionsConf);
     // Hack from stackoverflow to fix JavaFX TableView refresh issue
     ((TableColumn) dataTable.getColumns().get(0)).setVisible(false);
     ((TableColumn) dataTable.getColumns().get(0)).setVisible(true);
   }
 }
  public void startElement(String uri, String localName, String qName, Attributes attrs)
      throws SAXException {
    CFAsteriskXMsgSchemaMessageFormatter schemaFormatter = null;
    try {
      // Common XML Attributes
      String attrId = null;
      String attrClusterId = null;
      String attrHostNodeId = null;
      // Attribute Extraction
      String attrLocalName;
      int numAttrs;
      int idxAttr;
      final String S_ProcName = "startElement";
      final String S_LocalName = "LocalName";

      assert qName.equals("RqstConfigurationFileDeleteByHostIdx");

      CFAsteriskXMsgRqstHandler xmsgRqstHandler = (CFAsteriskXMsgRqstHandler) getParser();
      if (xmsgRqstHandler == null) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "getParser()");
      }

      schemaFormatter = xmsgRqstHandler.getSchemaMessageFormatter();

      ICFAsteriskSchemaObj schemaObj = xmsgRqstHandler.getSchemaObj();
      if (schemaObj == null) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "getParser().getSchemaObj()");
      }

      // Extract Attributes
      numAttrs = attrs.getLength();
      for (idxAttr = 0; idxAttr < numAttrs; idxAttr++) {
        attrLocalName = attrs.getLocalName(idxAttr);
        if (attrLocalName.equals("Id")) {
          if (attrId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("ClusterId")) {
          if (attrClusterId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrClusterId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("HostNodeId")) {
          if (attrHostNodeId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrHostNodeId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("schemaLocation")) {
          // ignored
        } else {
          throw CFLib.getDefaultExceptionFactory()
              .newUnrecognizedAttributeException(
                  getClass(), S_ProcName, getParser().getLocationInfo(), attrLocalName);
        }
      }

      // Ensure that required attributes have values
      if ((attrClusterId == null) || (attrClusterId.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "ClusterId");
      }
      if ((attrHostNodeId == null) || (attrHostNodeId.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "HostNodeId");
      }

      // Save named attributes to context
      CFLibXmlCoreContext curContext = getParser().getCurContext();
      // Convert string attributes to native Java types

      long natClusterId;
      natClusterId = Long.parseLong(attrClusterId);

      long natHostNodeId;
      natHostNodeId = Long.parseLong(attrHostNodeId);

      // Delete the objects
      schemaObj
          .getExtensionsConfTableObj()
          .deleteExtensionsConfByHostIdx(natClusterId, natHostNodeId);
      String response =
          schemaFormatter.formatRspnXmlPreamble()
              + "\n"
              + "\t"
              + CFAsteriskXMsgConfigurationFileMessageFormatter.formatConfigurationFileRspnDeleted()
              + "\n"
              + schemaFormatter.formatRspnXmlPostamble();
      ((CFAsteriskXMsgRqstHandler) getParser()).appendResponse(response);
    } catch (RuntimeException e) {
      CFAsteriskXMsgRqstHandler xmsgRqstHandler = ((CFAsteriskXMsgRqstHandler) getParser());
      schemaFormatter = xmsgRqstHandler.getSchemaMessageFormatter();
      String response =
          schemaFormatter.formatRspnXmlPreamble()
              + "\n"
              + "\t"
              + CFAsteriskXMsgSchemaMessageFormatter.formatRspnException("\n\t\t\t", e)
              + "\n"
              + schemaFormatter.formatRspnXmlPostamble();
      xmsgRqstHandler.resetResponse();
      xmsgRqstHandler.appendResponse(response);
      xmsgRqstHandler.setCaughtException(true);
    } catch (Error e) {
      CFAsteriskXMsgRqstHandler xmsgRqstHandler = ((CFAsteriskXMsgRqstHandler) getParser());
      schemaFormatter = xmsgRqstHandler.getSchemaMessageFormatter();
      String response =
          schemaFormatter.formatRspnXmlPreamble()
              + "\n"
              + "\t"
              + CFAsteriskXMsgSchemaMessageFormatter.formatRspnException("\n\t\t\t", e)
              + "\n"
              + schemaFormatter.formatRspnXmlPostamble();
      xmsgRqstHandler.resetResponse();
      xmsgRqstHandler.appendResponse(response);
      xmsgRqstHandler.setCaughtException(true);
    }
  }