/** * Start.java * Created on 19.08.2003, 20:40:08 Alex * Package: net.sf.memoranda * * @author Alex V. Alishevskikh, alex@openmechanics.net * Copyright (c) 2003 Memoranda Team. http://memoranda.sf.net */ package net.sf.memoranda; import java.net.ServerSocket; import java.net.Socket; import net.sf.memoranda.ui.*; import net.sf.memoranda.util.Configuration; /** * */ /*$Id: Start.java,v 1.7 2004/11/22 10:02:37 alexeya Exp $*/ public class Start { static App app = null; static int DEFAULT_PORT = 19432; static boolean checkIfAlreadyStartet = true; static { String port = Configuration.get("PORT_NUMBER").toString().trim(); if (port.length() >0) { // The Portnumber must be between 1024 (in *nix all Port's < 1024 // are privileged) and 65535 (the highest Portnumber everywhere) int i = Integer.parseInt(port); if ((i >= 1024) && (i DEFAULT_PORT = i; } /*DEBUG*/ //System.out.println("Port " + DEFAULT_PORT + " used."); } String check = Configuration.get("CHECK_IF_ALREADY_STARTED").toString().trim(); if (check.length() > 0 && check.equalsIgnoreCase("no")) { checkIfAlreadyStartet = false; } } public static void main(String[] args) { if (checkIfAlreadyStartet) { try { // Try to open a socket. If socket opened successfully (app is already started), take no action and exit. Socket socket = new Socket("127.0.0.1", DEFAULT_PORT); socket.close(); System.exit(0); } catch (Exception e) { // If socket is not opened (app is not started), continue // e.printStackTrace(); } new SLThread().start(); } //System.out.println(EventsScheduler.isEventScheduled()); if ((args.length == 0) || (!args[0].equals("-m"))) { app = new App(true); } else app = new App(false); } } class SLThread extends Thread { public void run() { ServerSocket serverSocket = null; try { serverSocket = new ServerSocket(Start.DEFAULT_PORT); serverSocket.accept(); Start.app.show(); serverSocket.close(); new SLThread().start(); } catch (Exception e) { System.err.println("Port:"+Start.DEFAULT_PORT); e.printStackTrace(); new ExceptionDialog(e, "Cannot create a socket connection on localhost:"+Start.DEFAULT_PORT, "Make sure that other software does not use the port "+Start.DEFAULT_PORT+" and examine your security settings."); } } }
