PackLoader.java

package openlauncher;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.reflect.TypeToken;
import gui.OpenLauncherGui;
import org.apache.commons.io.FileUtils;

import java.io.File;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class PackLoader {

	private final JsonParser parser = new JsonParser();
	private final Gson gson;
	private final File jsonFile;
	private Main main;

	public PackLoader(Main main) {
		this.jsonFile = new File(main.getHome(), "packs.json");
		GsonBuilder builder = new GsonBuilder();
		builder.setPrettyPrinting();
		this.gson = builder.create();
		this.main = main;
	}

	public void loadPacks(OpenLauncherGui form) throws IOException {
        Launch.form.packsComponent.packs.clear();
		JsonObject object = this.parser.parse(FileUtils.readFileToString(this.jsonFile)).getAsJsonObject();
		Object packs = new HashMap<String, ModPack>();
		Type stringStringMap = new TypeToken<Map<String, ModPack>>() {
		}.getType();
		packs = gson.fromJson(object.get("packs"), stringStringMap);
		Launch.packMap.putAll((Map) packs);
		System.out.println(((Map) packs).keySet());
		Iterator it = Launch.packMap.entrySet().iterator();
		while (it.hasNext()) {
			Map.Entry pair = (Map.Entry) it.next();
			//LauncherForm.packListString.addElement(pair.getKey());
			Launch.modPacks.add((ModPack) pair.getValue());
			it.remove(); // avoids a ConcurrentModificationException
            Launch.form.packsComponent.packs.add((ModPack) pair.getValue());
		}

//		form.packList.repaint();
	}
}