code: protected void setupValidators() {
  
          if (m_loginname.getValidators().size() == 0) {
              m_loginname.addValidator(new LoginNameValidator());
              m_pw.getPassword1Field().addValidator(new PasswordValidator());
              m_site.addValidator(new StartSiteValidator());
              m_startview.addValidator(new StartViewValidator());
              m_startfolder.addValidator(new StartPathValidator());
          }
      }
docs: Sets up the validators.<p>