apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/ConfigsImportService.java/ConfigsImportService/importNamespaceFromText
class ConfigsImportService:  private void importNamespaceFromText(final Env env, final String standardFilename, final String configText,
                                       boolean ignoreConflictNamespace) {
    final String appId = ConfigFileUtils.getAppId(standardFilename);
    final String clusterName = ConfigFileUtils.getClusterName(standardFilename);
    final String namespace = ConfigFileUtils.getNamespace(standardFilename);
    final String format = ConfigFileUtils.getFormat(standardFilename);

    this.importNamespace(appId, env, clusterName, namespace, configText, format, ignoreConflictNamespace);
  }