apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/AdminServiceAddressLocator.java/AdminServiceAddressLocator/AdminServiceAddressLocator
class AdminServiceAddressLocator:  public AdminServiceAddressLocator(
      final HttpMessageConverters httpMessageConverters,
      final PortalSettings portalSettings,
      final RestTemplateFactory restTemplateFactory,
      final PortalMetaDomainService portalMetaDomainService
  ) {
    this.portalSettings = portalSettings;
    this.restTemplateFactory = restTemplateFactory;
    this.portalMetaDomainService = portalMetaDomainService;
  }