Lang file for the new Koth

Lang.java

package subside.plugins.koth;

import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;

import org.bukkit.craftbukkit.libs.com.google.gson.GsonBuilder;
import org.bukkit.craftbukkit.libs.com.google.gson.JsonParser;
import org.bukkit.plugin.java.JavaPlugin;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;

public class Lang {
	public static String KOTH_WON = "&bThe koth %area% ended! %player% won!";
	public static String KOTH_STARTING = "&bThe koth %area% has begun!";
	public static String KOTH_PLAYERCAP = "&b%player% has started to cap %area%!";
	public static String KOTH_CAPTIME = "&b%player% is capping the koth! %minutes_left%:%seconds_left% left!";
	public static String KOTH_LEFT = "&b%player% left the koth!";
	public static String PREFIX = "&3[KOTH] &b";
	public static String AREA_ALREADYRUNNING = "&bThe area %area% is already running!";
	public static String AREA_ALREADYEXISTS = "&bThe area %area% already exists!";
	public static String AREA_NOTEXIST = "&bThe area %area% doesn't exist!";
	public static String COMMAND_AREATRIGGERED = "&bYou've started the area %area%!";
	public static String COMMAND_AREACREATED = "&bYou successfully created the area %area%!";
	public static String COMMAND_AREAREMOVED = "&bYou've successfully removed the area %area%!";
	public static String COMMAND_ONLYFROMINGAME = "&bThis command can only be executed from ingame!";
	public static String COMMAND_KOTHALREADYEXISTS = "&bThe area %area% already exists!";
	public static String COMMAND_LOOTNOARGSEXPLANATION = "&bThis is the loot chest for the next running koth (%area%)!";
	public static String COMMAND_LOOTEXPLANATION = "&bThis is the loot chest for the next running koth (%area%)!";
	public static String COMMAND_SPECIFIC_KOTH_TERMINATED = "&bYou have terminated %area%!";
	public static String COMMAND_ALL_KOTHS_TERMINATED = "&bYou have terminated all areas!";
	public static String COMMAND_USAGE = "Usage: ";
	public static String COMMAND_LIST_MESSAGE = "&3List of areas:";
	public static String COMMAND_LIST_ENTRY = "&b- %area%";

	public static void load(JavaPlugin plugin) {
		try {

			if (!new File(plugin.getDataFolder().getAbsolutePath() + File.separatorChar + "lang.json").exists()) {
				save(plugin);
				return;
			}
			JSONParser parser = new JSONParser();
			Object obj = parser.parse(new FileReader(plugin.getDataFolder().getAbsolutePath() + File.separatorChar + "lang.json"));

			JSONObject jsonObject = (JSONObject) obj;

			Field[] fields = Lang.class.getFields();
			for (Field field : fields) {
				try {
					if (Modifier.isStatic(field.getModifiers())) {
						field.set(null, jsonObject.get(field.getName()));
					}
				}
				catch (Exception e) {
					e.printStackTrace();
				}
			}
			save(plugin);
		}
		catch (Exception e) {
			System.out.println("///// LANG FILE NOT FOUND OR NOT CORRECTLY SET UP ////");
			System.out.println("Will use default variables instead.");
			System.out.println("You could try to delete the lang.json in the plugin folder.");

			e.printStackTrace();
		}
	}

	@SuppressWarnings("unchecked")
	public static void save(JavaPlugin plugin) {
		try {

			if (!new File(plugin.getDataFolder().getAbsolutePath() + File.separatorChar + "lang.json").exists()) {
				plugin.getDataFolder().mkdirs();
				new File(plugin.getDataFolder().getAbsolutePath() + File.separatorChar + "lang.json").createNewFile();
			}

			JSONObject obj = new JSONObject();

			Field[] fields = Lang.class.getFields();
			for (Field field : fields) {
				if (Modifier.isStatic(field.getModifiers())) {
					obj.put(field.getName(), field.get(null));
				}
			}

			//FileWriter file = new FileWriter(plugin.getDataFolder().getAbsolutePath() + File.separatorChar + "lang.json");
			FileOutputStream fileStream = new FileOutputStream(new File(plugin.getDataFolder().getAbsolutePath() + File.separatorChar + "lang.json"));
			OutputStreamWriter file = new OutputStreamWriter(fileStream, "UTF-8");
			System.out.println(new JsonParser().parse(obj.toJSONString()));
			try {
				file.write(new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create().toJson(new JsonParser().parse(obj.toJSONString())));
			}
			catch (IOException e) {
				e.printStackTrace();

			}
			finally {
				file.flush();
				file.close();
			}
		}
		catch (Exception e) {}
	}
}