@Override
  public void setupRootModel(final ModifiableRootModel modifiableRootModel)
      throws ConfigurationException {
    String contentEntryPath = getContentEntryPath();
    if (StringUtil.isEmpty(contentEntryPath)) {
      return;
    }
    File contentRootDir = new File(contentEntryPath);
    FileUtilRt.createDirectory(contentRootDir);
    LocalFileSystem fileSystem = LocalFileSystem.getInstance();
    VirtualFile modelContentRootDir = fileSystem.refreshAndFindFileByIoFile(contentRootDir);
    if (modelContentRootDir == null) {
      return;
    }

    modifiableRootModel.addContentEntry(modelContentRootDir);
    modifiableRootModel.inheritSdk();

    final Project project = modifiableRootModel.getProject();

    setupGradleBuildFile(modelContentRootDir);
    setupGradleSettingsFile(modelContentRootDir, modifiableRootModel);

    if (myWizardContext.isCreatingNewProject()) {
      String externalProjectPath = FileUtil.toCanonicalPath(project.getBasePath());
      getExternalProjectSettings().setExternalProjectPath(externalProjectPath);
      AbstractExternalSystemSettings settings =
          ExternalSystemApiUtil.getSettings(project, GradleConstants.SYSTEM_ID);
      //noinspection unchecked
      settings.linkProject(getExternalProjectSettings());
    } else {
      FileDocumentManager.getInstance().saveAllDocuments();
      ExternalSystemUtil.refreshProjects(project, GradleConstants.SYSTEM_ID, false);
    }
  }
  @Override
  public void setupRootModel(ModifiableRootModel model) throws ConfigurationException {
    String contentPath = getContentEntryPath();
    if (StringUtil.isEmpty(contentPath)) {
      return;
    }
    File contentRootDir = new File(contentPath);
    FileUtilRt.createDirectory(contentRootDir);
    LocalFileSystem fileSystem = LocalFileSystem.getInstance();
    VirtualFile vContentRootDir = fileSystem.refreshAndFindFileByIoFile(contentRootDir);
    if (vContentRootDir == null) {
      return;
    }

    model.addContentEntry(vContentRootDir);

    VirtualFile configFile = getExternalProjectConfigFile(vContentRootDir);
    if (configFile != null && myTemplateConfigName != null) {
      FileTemplateManager manager = FileTemplateManager.getInstance();
      FileTemplate template = manager.getInternalTemplate(myTemplateConfigName);
      try {
        VfsUtil.saveText(configFile, template.getText());
      } catch (IOException e) {
        LOG.warn(
            String.format(
                "Unexpected exception on applying template %s config",
                myExternalSystemId.getReadableName()),
            e);
        throw new ConfigurationException(
            e.getMessage(),
            String.format(
                "Can't apply %s template config text", myExternalSystemId.getReadableName()));
      }
    }

    AbstractExternalSystemSettings settings =
        ExternalSystemApiUtil.getSettings(model.getProject(), myExternalSystemId);
    S externalProjectSettings = createSettings();
    if (myExternalProjectSettingsControl != null) {
      String errorMessage = myExternalProjectSettingsControl.apply(externalProjectSettings);
      myExternalProjectSettingsControl.disposeUIResources();
      if (errorMessage != null) {
        throw new ConfigurationException(errorMessage);
      }
    }
    //noinspection unchecked
    settings.linkProject(externalProjectSettings);
  }