private void doValidateInput() {
    List<String> errors = new ArrayList<>();
    if (StringUtil.isEmptyOrSpaces(myGroupIdField.getText())) errors.add("GroupId");
    if (StringUtil.isEmptyOrSpaces(myArtifactIdField.getText())) errors.add("ArtifactId");
    if (StringUtil.isEmptyOrSpaces(myVersionField.getText())) errors.add("Version");

    if (errors.isEmpty()) {
      setErrorText(null);
      getOKAction().setEnabled(true);
      return;
    }
    String message = MavenProjectBundle.message("dialog.message.please.specify", StringUtil.join(errors, ", "));
    setErrorText(message);
    getOKAction().setEnabled(false);
    getRootPane().revalidate();
  }
private void doValidateInput()