}
message = new Message(DFSMessage.LISTING, lsPayload.build());
break;
case OPEN:
HDFSFileDriver driver = (HDFSFileDriver) result;
FileHandlerResponse.Builder handler = FileHandlerResponse.newBuilder();
handler.setToken(token);
handler.setFileHandler(driver.getHandle());
message = new Message(DFSMessage.HANDLER, handler.build());
break;
default:
break;
}