Properties properties = new Properties();
		try {
			properties.load(Files.newInputStream(Paths.get(configFileName), StandardOpenOption.READ));
		} catch (IOException e) {
			throw new IllegalArgumentException("Could not load configuration file '" + configFileName + "'.");
		}

		address = properties.getProperty("server.address");
		port = Integer.parseInt(properties.getProperty("server.port"));
		workerThreads = Integer.parseInt(properties.getProperty("server.workerThreads"));
		sessionTimeout = Integer.parseInt(properties.getProperty("session.timeout"));
		documentRoot = Paths.get(properties.getProperty("server.documentRoot"));