code: public void setLogger(String logger)
      {
          if(logger != null && logger.trim().length() > 0)
              this.logger = LoggerFactory.getLogger(logger);
      }
docs: Set an alternate logger for this client to use for log statements. This can be used to direct client
  logs to different destinations. The default value is "com.dottydingo.hyperion.client.HyperionClient"
  @param logger The logger to use