Method fromCodeValueSlow

api/src/main/java/io/grpc/Status.java:319–343

(byte[] asciiCodeValue)

  }

  @SuppressWarnings("fallthrough")
  private static Status fromCodeValueSlow(byte[] asciiCodeValue) {
    int index = 0;
    int codeValue = 0;
    switch (asciiCodeValue.length) {
      case 2:
        if (asciiCodeValue[index] < '0' || asciiCodeValue[index] > '9') {
          break;
        }
        codeValue += (asciiCodeValue[index++] - '0') * 10;
        // fall through
      case 1:
        if (asciiCodeValue[index] < '0' || asciiCodeValue[index] > '9') {
          break;
        }
        codeValue += asciiCodeValue[index] - '0';
        if (codeValue < STATUS_LIST.size()) {
          return STATUS_LIST.get(codeValue);
        }
        break;
      default:
        break;
    }
    return UNKNOWN.withDescription("Unknown code " + new String(asciiCodeValue, US_ASCII));
  }

  /**
   * Return a {@link Status} given a canonical error {@link Code} object.