RetiredPacksLoader.java

/*
 * This file is part of FTB Launcher.
 *
 * Copyright © 2012-2016, FTB Launcher Contributors <https://github.com/Slowpoke101/FTBLaunch/>
 * FTB Launcher is licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.ftb.workers;

import java.io.File;
import java.net.URL;

import net.feed_the_beast.launcher.json.JsonFactory;
import net.feed_the_beast.launcher.json.launcher.RetiredPacks;
import net.ftb.data.ModPack;
import net.ftb.data.Settings;
import net.ftb.log.Logger;
import net.ftb.util.DownloadUtils;

public class RetiredPacksLoader extends Thread
{
	private URL url;
	private String jsonDir;
	private String packDir;

	public RetiredPacksLoader (URL url, String jsonDir, String packDir)
	{
		this.url = url;
		this.jsonDir = jsonDir;
		this.packDir = packDir;
	}

	@Override
	public void run ()
	{
		File file = new File(jsonDir, File.separator + "hiddenpacks.json");
		RetiredPacks packs = null;
		boolean added = false;
		int added_packs = 0;

		try
		{
			DownloadUtils.downloadToFile(url, file);
		}
		catch (Exception e)
		{
			Logger.logWarn("hiddenpacks.json download failed: using cached file if available", e);
		}

		if (file.exists())
		{
			try
			{
				packs = JsonFactory.getRetiredPacks(file);
			}
			catch (Exception e)
			{
				Logger.logDebug("failed", e);
				return;
			}
		}
		else
		{
			Logger.logWarn("hiddenpacks.json not found");
		}

		Logger.logDebug("Found " + packs.getMapping().size() + "packcodes");
		// TODO: add proper check instead of sleep
		try
		{
			Thread.sleep(5000);
		}
		catch (InterruptedException e)
		{
			// ignored
		}

		for(String key : packs.getMapping().keySet())
		{
			File f = new File(packDir, key);
			String val = packs.getMapping().get(key);
			if (f.exists() && f.isDirectory() && !packExists(val))
			{
				Logger.logInfo("Found directory " + key + " in the disk... Adding \"" + val + "\" pack code. Pack will be found at end of the pack list");
				ModPack.loadXml(val + ".xml");
				Settings.getSettings().addPrivatePack(val);
				added = true;
				added_packs++;
			}
		}

		if (added)
		{
			Logger.logDebug("Added " + added_packs + " packcodes from hiddenpacks.josn");
			Settings.getSettings().save();
		}
	}

	private boolean packExists (String name)
	{
		for(String p : Settings.getSettings().getPrivatePacks())
		{
			if (p.equalsIgnoreCase(name))
			{
				return true;
			}
		}
		return false;
	}
}