Config Class

package ;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;

public class Config {
    <MAINCLASS> plugin;
    public Config(<MAINCLASS> plugin) {
        this.plugin = plugin;
    }

    public FileConfiguration customConfig;
    public File configFile;

    public void createConfig() {
        configFile = new File(plugin.getDataFolder(), "config.yml");
        if (!configFile.exists()) {
            try {
                configFile.createNewFile();
                generateConfig();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    public void generateConfig() {
        try {
            File customConfigFile = new File(plugin.getDataFolder(), "config.yml");
            FileWriter w = new FileWriter(customConfigFile);
            w(w, "# Wow, a comment!");
            w(w, "hi-world: true");
            w(w, "");
            w(w, "# OMG! Another comment!");
            w(w, "whatever: 'hai der'");
            w.close();
            reloadConfig();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private void w(FileWriter writer, String string) throws IOException {
        writer.write(string + "\n");
    }

    public void reloadConfig() {
        if (!configFile.exists()) {
            configFile = new File(plugin.getDataFolder(), "config.yml");
        }
        customConfig = YamlConfiguration.loadConfiguration(configFile);

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

    public FileConfiguration getConfig() {
        if (customConfig == null) {
            reloadConfig();
        }
        return customConfig;
    }
}