BungeeConfigUtils.java

import net.md_5.bungee.api.plugin.Plugin;
import net.md_5.bungee.config.Configuration;
import net.md_5.bungee.config.ConfigurationProvider;
import net.md_5.bungee.config.YamlConfiguration;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;

/**
 * Small utility class to load and save configuration on BungeeCord
 *
 * @author MrMicky
 */
public final class BungeeConfigUtils {

    public static Configuration loadConfig(Plugin plugin) {
        try {
            File configFile = new File(plugin.getDataFolder(), "config.yml");

            if (!configFile.exists()) {
                plugin.getDataFolder().mkdir();

                try (InputStream is = plugin.getResourceAsStream("config.yml")) {
                    Files.copy(is, configFile.toPath());
                }
            }
            return ConfigurationProvider.getProvider(YamlConfiguration.class).load(configFile);
        } catch (IOException e) {
            throw new RuntimeException("Unable to load configuration file", e);
        }
    }

    public static void saveConfig(Plugin plugin, Configuration config) {
        File configFile = new File(plugin.getDataFolder(), "config.yml");

        if (config != null) {
            try {
                ConfigurationProvider.getProvider(YamlConfiguration.class).save(config, configFile);
            } catch (IOException e) {
                throw new RuntimeException("Unable to save configuration file", e);
            }
        }
    }
}