private boolean isApplicable(final String type) {
    if (type.equals(ERROR)) {
      return !FILTER_ERRORS;
    }
    if (type.equals(WARNING)) {
      return !FILTER_WARNINGS;
    }
    if (type.equals(INFO)) {
      return !FILTER_INFO;
    }
    if (type.equals(DEBUG)) {
      return !FILTER_DEBUG;
    }
    return true;
  }
private boolean isApplicable(final String type)