code: static List<PatternLevel> readLevelResourceFile(InputStream stream) {
  		List<PatternLevel> levels = null;
  		if (stream != null) {
  			try {
  				levels = configureClassLevels(stream);
  			} catch (IOException e) {
  				System.err.println(
  						"IO exception reading the log properties file '" + LOCAL_LOG_PROPERTIES_FILE + "': " + e);
  			} finally {
  				try {
  					stream.close();
  				} catch (IOException e) {
  					// ignore close exception
  				}
  			}
  		}
  		return levels;
  	}
docs: Read in our levels from our configuration file.