source: java/AEInstaller2-Updater/src/net/oni2/aeinstaller/updater/AEInstaller2Updater.java

package net.oni2.aeinstaller.updater;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

import net.oni2.ProxySettings;
import net.oni2.aeinstaller.updater.backend.Paths;
import net.oni2.aeinstaller.updater.gui.MainWin;
import net.oni2.platformtools.PlatformInformation;

/**
 * @author Christian Illy
 * @version 1
 */
public class AEInstaller2Updater {

        /**
         * @param args
         *            Command line arguments
         */
        public static void main(String[] args) {
                boolean debug = false;
                for (String a : args) {
                        if (a.equalsIgnoreCase("-debug"))
                                debug = true;
                        if (a.equalsIgnoreCase("-usewd"))
                                Paths.useWorkingDirectory = true;
                }
                if (!debug) {
                        try {
                                PrintStream ps = new PrintStream(new FileOutputStream(new File(Paths.getPrefsPath(),
                                                "updater_output.log")), true);
                                System.setOut(ps);
                                System.setErr(ps);
                        } catch (FileNotFoundException e1) {
                                e1.printStackTrace();
                        }
                }

                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                System.out.println("Time:      " + sdf.format(new Date()));
                System.out.println("Java:      \""
                                + System.getProperty("java.runtime.name") + "\" v. "
                                + System.getProperty("java.version") + " by \""
                                + System.getProperty("java.vendor") + "\" (spec. "
                                + System.getProperty("java.specification.version") + ")");
                System.out.println("Java home: " + System.getProperty("java.home"));
                System.out.println("Command:   "
                                + System.getProperty("sun.java.command"));
                System.out.println("PrefsPath: " + Paths.getPrefsPath());
                System.out.println("DownPath:  " + Paths.getDownloadPath());
                System.out.println("TempPath:  " + Paths.getTempPath());
                System.out.println("Platform:  " + System.getProperty("os.name") +
                                " detected as " + PlatformInformation.getPlatform().toString());
                System.out.println("Architect: "
                                + PlatformInformation.getArchitecture());
                System.out.println("");

                if (Paths.getProxySettingsFilename().exists()) {
                        ProxySettings.deserializeFromFile(Paths.getProxySettingsFilename());
                }

                System.setProperty("networkaddress.cache.ttl", "5");
                System.setProperty("networkaddress.cache.negative.ttl", "1");

                try {
                        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                } catch (Exception e) {
                        e.printStackTrace();
                }
                JFrame.setDefaultLookAndFeelDecorated(true);

                SwingUtilities.invokeLater(new Runnable() {

                        public void run() {
                                try {
                                        new MainWin().setVisible(true);
                                } catch (Exception e) {
                                        e.printStackTrace();
                                }
                        }
                });
        }
}