/** @param rootContainer output parameter; should be LwRootContainer[1] */
  public static FormProperty[] exposeForm(
      final Project project, final VirtualFile formFile, final LwRootContainer[] rootContainer)
      throws MyException {
    final Module module = ModuleUtil.findModuleForFile(formFile, project);
    LOG.assertTrue(module != null);

    final PsiPropertiesProvider propertiesProvider = new PsiPropertiesProvider(module);

    final Document doc = FileDocumentManager.getInstance().getDocument(formFile);
    final LwRootContainer _rootContainer;
    try {
      _rootContainer = Utils.getRootContainer(doc.getText(), propertiesProvider);
    } catch (AlienFormFileException e) {
      throw new MyException(e.getMessage());
    } catch (Exception e) {
      throw new MyException(UIDesignerBundle.message("error.cannot.process.form.file", e));
    }

    rootContainer[0] = _rootContainer;

    final String classToBind = _rootContainer.getClassToBind();
    if (classToBind == null) {
      throw new MyException(UIDesignerBundle.message("error.form.is.not.bound.to.a.class"));
    }

    final PsiClass boundClass = FormEditingUtil.findClassToBind(module, classToBind);
    if (boundClass == null) {
      throw new MyException(
          UIDesignerBundle.message("error.bound.class.does.not.exist", classToBind));
    }

    final ArrayList<FormProperty> result = new ArrayList<FormProperty>();
    final MyException[] exception = new MyException[1];

    FormEditingUtil.iterate(
        _rootContainer,
        new FormEditingUtil.ComponentVisitor<LwComponent>() {
          public boolean visit(final LwComponent component) {
            final String binding = component.getBinding();
            if (binding == null) {
              return true;
            }

            final PsiField[] fields = boundClass.getFields();
            PsiField field = null;
            for (int i = fields.length - 1; i >= 0; i--) {
              if (binding.equals(fields[i].getName())) {
                field = fields[i];
                break;
              }
            }
            if (field == null) {
              exception[0] =
                  new MyException(
                      UIDesignerBundle.message(
                          "error.field.not.found.in.class", binding, classToBind));
              return false;
            }

            final PsiClass fieldClass = getClassByType(field.getType());
            if (fieldClass == null) {
              exception[0] =
                  new MyException(
                      UIDesignerBundle.message(
                          "error.invalid.binding.field.type", binding, classToBind));
              return false;
            }

            if (instanceOf(fieldClass, JTextComponent.class.getName())) {
              result.add(new FormProperty(component, "getText", "setText", String.class.getName()));
            } else if (instanceOf(fieldClass, JCheckBox.class.getName())) {
              result.add(
                  new FormProperty(
                      component, "isSelected", "setSelected", boolean.class.getName()));
            }

            return true;
          }
        });

    if (exception[0] != null) {
      throw exception[0];
    }

    return result.toArray(new FormProperty[result.size()]);
  }
 @Override
 public String getClassToBindName(LwRootContainer container) {
   return container.getClassToBind();
 }