void parseRateLimit()

in src/main/java/com/googlesource/gerrit/plugins/quota/AccountLimitsConfig.java [104:158]
51 lines of code
10 McCabe index (conditional complexity)

  void parseRateLimit(Config c, String groupName, Type type) {
    String name = type.toConfigValue();
    String value = c.getString(GROUP_SECTION, groupName, name);
    if (value == null) {
      return;
    }
    value = value.trim();

    Matcher m = PATTERN.matcher(value);
    if (!m.matches()) {
      log.error(
          "Invalid ''{}'' ratelimit configuration ''{}''; ignoring the configuration entry",
          name,
          value);
      return;
    }

    String digits = m.group(1);
    String unitName = m.group(2).trim();
    String storeCountString = m.group(3).trim();
    long burstCount;
    try {
      burstCount = Long.parseLong(storeCountString);
    } catch (NumberFormatException e) {
      log.error(
          "Invalid ''{}'' ratelimit store configuration ''{}''; ignoring the configuration entry",
          name,
          storeCountString);
      return;
    }

    TimeUnit inputUnit = TimeUnit.HOURS;
    double ratePerSecond;
    if (match(unitName, "s", "sec", "second")) {
      inputUnit = TimeUnit.SECONDS;
    } else if (match(unitName, "m", "min", "minute")) {
      inputUnit = TimeUnit.MINUTES;
    } else if (match(unitName, "h", "hr", "hour") || unitName.isEmpty()) {
      inputUnit = TimeUnit.HOURS;
    } else if (match(unitName, "d", "day")) {
      inputUnit = TimeUnit.DAYS;
    } else {
      logNotRateUnit(GROUP_SECTION, groupName, name, value);
      return;
    }
    try {
      ratePerSecond = 1.0D * Long.parseLong(digits) / TimeUnit.SECONDS.convert(1, inputUnit);
    } catch (NumberFormatException nfe) {
      logNotRateUnit(GROUP_SECTION, groupName, unitName, value);
      return;
    }

    int maxBurstSeconds = (int) (burstCount / ratePerSecond);
    rateLimits.put(type, groupName, new RateLimit(type, ratePerSecond, maxBurstSeconds));
  }