AssetService.java

package fr.lyrgard.hexScape.service;

import java.io.File;
import java.util.concurrent.Callable;

import com.jme3.asset.AssetManager;
import com.jme3.asset.DesktopAssetManager;

import net.lingala.zip4j.core.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import fr.lyrgard.hexScape.HexScapeCore;
import fr.lyrgard.hexScape.bus.GuiMessageBus;
import fr.lyrgard.hexScape.message.ErrorMessage;
import fr.lyrgard.hexScape.model.CurrentUserInfo;
import fr.lyrgard.hexScape.model.TitleScreen;

public class AssetService {

	public static final File ASSET_FOLDER = new File("asset");
	
	public static final File COMMON_ASSET_FOLDER = new File(ASSET_FOLDER, "common");  
	
	private static AssetService INSTANCE;

	public static synchronized AssetService getInstance() {
		if (INSTANCE == null) {
			INSTANCE = new AssetService();
		}
		return INSTANCE;
	}

	private AssetService() {
	}

	public void importAssets(File file) {


		try {
			//create output directory is not exists
			if(!ASSET_FOLDER.exists()){
				ASSET_FOLDER.mkdir();
			}

			ZipFile zipFile = new ZipFile(file);
			zipFile.extractAll(ASSET_FOLDER.getAbsolutePath());

			reloadAssets();
				

		} catch (ZipException e) {
			e.printStackTrace();
			GuiMessageBus.post(new ErrorMessage(CurrentUserInfo.getInstance().getPlayerId(), "An error occurred while trying to unzip " + file.getAbsolutePath()));
		}

	}
	
	public void reloadAssets() {
		if (ConfigurationService.getInstance().getGameFolder().equals(ConfigurationService.DEFAULT_GAME_NAME)) {
			ConfigurationService.getInstance().initGameFolder();
			ConfigurationService.getInstance().save();
		}
		TextureService.getInstance().loadTileTexture();
		ExternalModelService.getInstance().clear();
		CardService.getInstance().loadCardInventory();
		DiceService.getInstance().loadDiceTypes();

		HexScapeCore.getInstance().getHexScapeJme3Application().enqueue(new Callable<Void>() {

			@Override
			public Void call() throws Exception {
				TitleScreen.getInstance().populateNode();
				if (HexScapeCore.getInstance().getMapManager() != null) {
					AssetManager assetManager = HexScapeCore.getInstance().getHexScapeJme3Application().getAssetManager(); 
					if (assetManager instanceof DesktopAssetManager) {
						((DesktopAssetManager) assetManager).clearCache();
					}
					
					HexScapeCore.getInstance().getMapManager().redraw();
				}
				return null;
			}

		});
	}
}