private void checkSetPort()

in src/main/java/com/spotify/logging/logback/SpotifyInternalAppender.java [76:92]


  private void checkSetPort(@Nullable String environmentValue) {
    if (environmentValue == null || portConfigured) {
      return;
    }

    try {
      setPort(Integer.parseInt(environmentValue));
    } catch (NumberFormatException e) {
      throw new IllegalArgumentException(
          "unable to parse value for \""
              + LoggingConfigurator.SPOTIFY_SYSLOG_PORT
              + "\" ("
              + environmentValue
              + ") as an int",
          e);
    }
  }