Main.java

package org.lysty.core;

import java.awt.Color;
import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JWindow;
import javax.swing.SwingConstants;
import javax.swing.UIManager;

import net.miginfocom.swing.MigLayout;

import org.apache.log4j.Logger;
import org.apache.log4j.xml.DOMConfigurator;
import org.lysty.dao.Song;
import org.lysty.db.DBHandler;
import org.lysty.players.PlayerManager;
import org.lysty.ui.ApplicationInstanceListener;
import org.lysty.ui.ApplicationInstanceManager;
import org.lysty.ui.PlayerPanel;
import org.lysty.ui.PlaylistPreviewWindow;
import org.lysty.ui.PlaylistProfileWindow;
import org.lysty.util.FileUtils;
import org.lysty.util.Utils;

public class Main {

	private static final String ENQUEUE = "ENQUEUE";

	private static final String PLAY_NEXT = "PLAY_NEXT";

	private static final String LYSTY_URL = "http://www.lystyplayer.com";

	static Logger logger = Logger.getLogger(Main.class);

	public static void main(String[] args) {
		try {
			System.setProperty("lysty_logs_folder_path", Utils
					.getAppDirectoryFolder(Utils.LOGS_FOLDER).getAbsolutePath());
			DOMConfigurator.configure("config/log4j_config.xml");
			boolean success = ApplicationInstanceManager.registerInstance(args);
			if (!success) {
				// instance already running.
				System.exit(0);
			} else {
				// first instance;
				JWindow window = new JWindow();
				URL url = new File("resources/icons/splash.png").toURI()
						.toURL();
				JLabel lbl = new JLabel("", new ImageIcon(url),
						SwingConstants.CENTER);
				window.setLayout(new MigLayout("", "", ""));
				JPanel pnl = new JPanel();
				pnl.setOpaque(false);
				pnl.add(lbl);
				window.setContentPane(pnl);
				window.setSize(lbl.getPreferredSize());
				window.setLocationByPlatform(true);
				window.setVisible(true);
				// window.setBackground(new Color(0, 0, 0, 0));
				init();
				handleArgs(args);

				window.setVisible(false);
			}

			ApplicationInstanceManager
					.setApplicationInstanceListener(new ApplicationInstanceListener() {
						@Override
						public void newInstanceCreated(String[] args) {
							logger.info("New instance detected with following args:");
							for (int i = 0; i < args.length; i++) {
								logger.info("arg " + i + " " + args[i]);
							}
							handleArgs(args);
						}
					});
		} catch (Exception e) {
			e.printStackTrace();
			System.exit(0);
		}
	}

	private static void init() {
		// PropertyManager.loadProperties();
		DBHandler.getInstance();
		Utils.copyPlugins();
		ExtractorManager.loadExtractors();
		logger.info("extractors loaded.");
		StrategyFactory.loadStrategies();
		logger.info("strategies loaded.");
		PlayerManager.getInstance();

		AppSettingsManager.loadProperties(Utils
				.getAppDirectoryFolder(Utils.SETTINGSFILE));
		try {
			UIManager.setLookAndFeel("com.alee.laf.WebLookAndFeel");
		} catch (Exception e) {
			try {
				UIManager.setLookAndFeel(UIManager
						.getSystemLookAndFeelClassName());
			} catch (Exception e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
				logger.error(e1);
			}
			logger.error(e);
		}

		boolean checkNewVersion = Utils.getRandomBoolean(40);
		if (checkNewVersion) {
			boolean isNewVAvailable = VersionHandler.isNewVersionAvailable();

			if (isNewVAvailable) {
				int c = JOptionPane
						.showOptionDialog(
								null,
								"New Version of Lysty found. Would you like to download now?",
								"New Version Found", JOptionPane.YES_NO_OPTION,
								JOptionPane.INFORMATION_MESSAGE, null,
								new String[] { "yes", "no" }, "yes");
				if (c == JOptionPane.YES_OPTION) {
					Utils.openBrowser(LYSTY_URL);
					System.exit(0);
				}
			}
		}
	}

	/**
	 * @param args
	 */
	public static void handleArgs(String[] args) {

		if (args.length == 2) {
			// command and a file
			String command = args[0];
			File file = new File(args[1]);
			Song song = DBHandler.getInstance().getSong(file);
			if (song == null) {
				song = new Song(file);
			}
			if (PLAY_NEXT.equalsIgnoreCase(command)) {
				PlaylistPreviewWindow.getInstance().addSongNext(song);
			} else if (ENQUEUE.equalsIgnoreCase(command)) {
				PlaylistPreviewWindow.getInstance().enqueueSong(song);
			} else {
				logger.error("Invalid args passed: "
						+ Utils.getArgsLogString(args));
				return;
			}
		} else if (args.length == 1) {
			// this is a file click. do as needed.
			final File file = new File(args[0]);
			if (FileUtils.isPartialPlaylistFile(file)) {
				// partial playlist
				javax.swing.SwingUtilities.invokeLater(new Runnable() {
					@Override
					public void run() {
						PlaylistPreviewWindow.getInstance();
						PlaylistProfileWindow window = PlaylistProfileWindow
								.getInstance();
						window.loadSelProfile(file);
						logger.info("Loading partial playlist from: "
								+ file.getAbsolutePath());
					}
				});
			} else if (FileUtils.isSupportedSongFile(file)) {
				PlaylistPreviewWindow win = PlaylistPreviewWindow.getInstance();
				Song song = DBHandler.getInstance().getSong(file);
				if (song == null) {
					song = new Song(file);
				}
				if (win.getCurrentState() == PlayerPanel.PlayState.PLAYING
						&& "true"
								.equalsIgnoreCase(AppSettingsManager
										.getProperty(AppSettingsManager.PLAY_NEXT_WHEN_LOAD_ON_CURRENT_PLAY))) {
					PlaylistPreviewWindow.getInstance().addSongNext(song);
				} else {
					// SongSelectionProfile profile = new
					// SongSelectionProfile();
					Map<Song, Integer> map = new HashMap<Song, Integer>();
					map.put(song, 0);
					// profile.setRelPosMap(map);

					List<Song> songList = new ArrayList<Song>();
					songList.add(song);
					win.init(songList, true, null);
				}
			} else if (FileUtils.isSupportedPlaylistFile(file)) {
				PlaylistPreviewWindow win = PlaylistPreviewWindow.getInstance();
				win.init(FileUtils.loadPlaylist(file), true, null);
			} else {
				// unsupported file format
				logger.info("Unsupported File: " + file.getAbsolutePath());
				JOptionPane
						.showMessageDialog(
								null,
								file.getName()
										+ " cannot be played since the file type is not supported");
			}
		} else if (args.length == 0) {
			// just open the profile window
			javax.swing.SwingUtilities.invokeLater(new Runnable() {
				@Override
				public void run() {
					PlaylistPreviewWindow.getInstance();
					/*
					 * Song song = DBHandler .getInstance() .getSong( new File(
					 * "D:\\Songs\\English\\English love songs\\Westlife - My Love.mp3"
					 * )); Song song2 = DBHandler .getInstance() .getSong( new
					 * File(
					 * "D:\\Songs\\English\\Westlife\\Westlife - My Love.mp3"));
					 * System.out.println(song.equals(song2));
					 */
				}
			});
		}
	}
}