SimpleTrading.java 文件源码

private void checkConfigVersions(Configuration config, Path dataFolder) {
    if (config.getInt("config-version", 0) < TradeConfiguration.CURRENT_CONFIG_VERSION) {
        Path configSource = dataFolder.resolve(TradeConfiguration.DESTINATION_FILE_NAME);
        Path configTarget = dataFolder.resolve("config_old.yml");

        try {
            Files.move(configSource, configTarget, StandardCopyOption.REPLACE_EXISTING);
            URL configResource = getClass().getResource(TradeConfiguration.CLASSPATH_RESOURCE_NAME);

            copyResource(configResource, configSource.toFile());

            ConsoleCommandSender sender = Bukkit.getConsoleSender();
            sender.sendMessage(ChatColor.RED + "Due to a SimpleTrading update your old configuration has been renamed");
            sender.sendMessage(ChatColor.RED + "to config_old.yml and a new one has been generated. Make sure to");
            sender.sendMessage(ChatColor.RED + "apply your old changes to the new config!");
        } catch (IOException e) {
            getLogger().log(Level.SEVERE, "Could not create updated configuration due to an IOException", e);
        }
    }
}