private void writeFileAndFireAuditEvent()

in src/main/java/com/googlesource/gerrit/plugins/serverconfig/ServerConfigServlet.java [102:131]

• 24 lines of code
• 3 McCabe index (conditional complexity)

  private void writeFileAndFireAuditEvent(HttpServletRequest req,
      HttpServletResponse res) throws IOException {
    File oldFile = resolvePath(req).toFile();
    File dir = oldFile.getParentFile();
    File newFile = File.createTempFile(oldFile.getName(), ".new", dir);
    streamRequestToFile(req, newFile);

    try {
      FileBasedConfig config = new FileBasedConfig(newFile, FS.DETECTED);
      config.load();

      String diff = diff(oldFile, newFile);
      audit("about to change config file", oldFile.getPath(), diff);

      newFile.renameTo(oldFile);
      audit("changed config file", oldFile.getPath(), diff);

      res.setStatus(HttpServletResponse.SC_NO_CONTENT);
    } catch (ConfigInvalidException e) {
      log.warn("Configuration file is invalid", e);

      Throwable cause = e.getCause();
      final String msg =
          cause instanceof ConfigInvalidException ? cause.getMessage()
              : e.getMessage();

      newFile.delete();
      respondInvalidConfig(req, res, msg);
    }
  }