source: josm/src/org/openstreetmap/josm/gui/MainApplication.java@ 98

//Licence: GPL
package org.openstreetmap.josm.gui;

import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.tools.BugReportExceptionHandler;

/**
 * Main window class application.
 *  
 * @author imi
 */
public class MainApplication extends Main {

        /**
         * Construct an main frame, ready sized and operating. Does not 
         * display the frame.
         */
        public MainApplication(JFrame mainFrame) {
                mainFrame.setContentPane(contentPane);
                mainFrame.setJMenuBar(mainMenu);
                mainFrame.setBounds(bounds);
                mainFrame.addWindowListener(new WindowAdapter(){
                        @Override public void windowClosing(final WindowEvent arg0) {
                                if (Main.map != null) {
                                        boolean modified = false;
                                        boolean uploadedModified = false;
                                        for (final Layer l : Main.map.mapView.getAllLayers()) {
                                                if (l instanceof OsmDataLayer && ((OsmDataLayer)l).isModified()) {
                                                        modified = true;
                                                        uploadedModified = ((OsmDataLayer)l).uploadedModified;
                                                        break;
                                                }
                                        }
                                        if (modified) {
                                                final String msg = uploadedModified ? "\nHint: Some changes came from uploading new data to the server." : "";
                                                final int answer = JOptionPane.showConfirmDialog(
                                                                Main.parent, "There are unsaved changes. Really quit?"+msg,
                                                                "Unsaved Changes", JOptionPane.YES_NO_OPTION);
                                                if (answer != JOptionPane.YES_OPTION)
                                                        return;
                                        }
                                }
                                System.exit(0);
                        }
                });
                mainFrame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
        }

        /**
         * Main application Startup
         * @param args  No parameters accepted.
         */
        public static void main(final String[] argArray) {
                Thread.setDefaultUncaughtExceptionHandler(new BugReportExceptionHandler());

                List<String> argList = Arrays.asList(argArray);
                if (argList.contains("--help") || argList.contains("-?") || argList.contains("-h")) {
                        System.out.println("Java OpenStreetMap Editor");
                        System.out.println();
                        System.out.println("usage:");
                        System.out.println("\tjava -jar josm.jar <option> <option> <option>...");
                        System.out.println();
                        System.out.println("options:");
                        System.out.println("\t--help|-?|-h                              Show this help");
                        System.out.println("\t--geometry=widthxheight(+|-)x(+|-)y       Standard unix geometry argument");
                        System.out.println("\t[--download=]minlat,minlon,maxlat,maxlon  Download the bounding box");
                        System.out.println("\t[--download=]<url>                        Download the location at the url (with lat=x&lon=y&zoom=z)");
                        System.out.println("\t[--download=]<filename>                   Open file (as raw gps, if .gpx or .csv)");
                        System.out.println("\t--downloadgps=minlat,minlon,maxlat,maxlon Download the bounding box as raw gps");
                        System.out.println("\t--selection=<searchstring>                Select with the given search");
                        System.out.println("\t--no-fullscreen                           Don't launch in fullscreen mode");
                        System.out.println("\t--reset-preferences                       Reset the preferences to default");
                        System.out.println();
                        System.out.println("examples:");
                        System.out.println("\tjava -jar josm.jar track1.gpx track2.gpx london.osm");
                        System.out.println("\tjava -jar josm.jar http://www.openstreetmap.org/index.html?lat=43.2&lon=11.1&zoom=13");
                        System.out.println("\tjava -jar josm.jar london.osm --selection=http://www.ostertag.name/osm/OSM_errors_node-duplicate.xml");
                        System.out.println("\tjava -jar josm.jar 43.2,11.1,43.4,11.4");
                        System.out.println();
                        System.out.println("Parameters are read in the order they are specified, so make sure you load");
                        System.out.println("some data before --selection");
                        System.out.println();
                        System.out.println("Instead of --download=<bbox> you may specify osm://<bbox>");
                        System.exit(0);
                }

                final File prefDir = new File(Main.pref.getPreferencesDir());
                if (prefDir.exists() && !prefDir.isDirectory()) {
                        JOptionPane.showMessageDialog(null, "Cannot open preferences directory: "+Main.pref.getPreferencesDir());
                        return;
                }
                if (!prefDir.exists())
                        prefDir.mkdirs();

                // construct argument table
                Map<String, Collection<String>> args = new HashMap<String, Collection<String>>();
                for (String arg : argArray) {
                        if (!arg.startsWith("--"))
                                arg = "--download="+arg;
                        int i = arg.indexOf('=');
                        String key = i == -1 ? arg.substring(2) : arg.substring(2,i);
                        String value = i == -1 ? "" : arg.substring(i+1);
                        Collection<String> v = args.get(key);
                        if (v == null)
                                v = new LinkedList<String>();
                        v.add(value);
                        args.put(key, v);
                }

                preConstructorInit(args);
                JFrame mainFrame = new JFrame("Java Open Street Map - Editor");
                Main.parent = mainFrame;
                Main main = new MainApplication(mainFrame);

                mainFrame.setVisible(true);

                if (!args.containsKey("no-fullscreen") && !args.containsKey("geometry") && Toolkit.getDefaultToolkit().isFrameStateSupported(JFrame.MAXIMIZED_BOTH))
                        mainFrame.setExtendedState(JFrame.MAXIMIZED_BOTH);

                main.postConstructorProcessCmdLine(args);
        }
}