reloadFile() method

public void reloadFile() {
    if (!theFile.exists()) {
        try {
            theFile.mkdirs();
            if (!theFile.createNewFile()) {
                throw new IOException("Failed to create the file.");
            }
        } catch (IOException e) {
            Logger.getLogger("Minecraft").severe("Failed to create the file.");
        }
    }
    theFileConfiguration = YamlConfiguration.loadConfiguration(theFile);

    InputStream defConfigStream = plugin.getResource("file.yml");
    if (defConfigStream != null) {
        YamlConfiguration defConfig = YamlConfiguration.loadConfiguration(defConfigStream);
        theFileConfiguration.setDefaults(defConfig);
    }
}