source: josm/src/org/openstreetmap/josm/gui/MainApplication.java@ 138

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

import static org.openstreetmap.josm.tools.I18n.tr;

import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
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 ? "\n"+tr("Hint: Some changes came from uploading new data to the server.") : "";
                                                final int answer = JOptionPane.showConfirmDialog(
                                                                Main.parent, tr("There are unsaved changes. Really quit?")+msg,
                                                                tr("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) {
                /////////////////////////////////////////////////////////////////////////
                //                        TO ALL TRANSLATORS
                /////////////////////////////////////////////////////////////////////////
                // Do not translate the early strings below until the locale is set up.
                // The cannot be translated. That's live. Really. Sorry.
                //
                // The next sending me a patch translating these strings owe me a beer!
                //
                //                                                                 Imi.
                /////////////////////////////////////////////////////////////////////////
                
                Thread.setDefaultUncaughtExceptionHandler(new BugReportExceptionHandler());

                // construct argument table
                List<String> argList = Arrays.asList(argArray);
                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);
                }

                // get the preferences.
                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();
                try {
                        if (args.containsKey("reset-preferences")) {
                                Main.pref.resetToDefault();
                        } else {
                                Main.pref.load();
                        }
                } catch (final IOException e1) {
                        e1.printStackTrace();
                        JOptionPane.showMessageDialog(null, "Preferences could not be loaded. Writing default preference file to "+pref.getPreferencesDir()+"preferences");
                        Main.pref.resetToDefault();
                }

                // setup the locale
                if (args.containsKey("language") && !args.get("language").isEmpty() && args.get("language").iterator().next().length() >= 2) {
                        String s = args.get("language").iterator().next();
                        Locale l = null;
                        if (s.length() <= 2 || s.charAt(2) != '_')
                                l = new Locale(s);
                        else if (s.length() <= 5 || s.charAt(5) != '.')
                                l = new Locale(s.substring(0,2), s.substring(3));
                        else
                                l = new Locale(s.substring(0,2), s.substring(3,5), s.substring(6));
                        Locale.setDefault(l);
                } else if (!Main.pref.get("language").equals("")) {
                        String lang = Main.pref.get("language");
                        for (Locale l : Locale.getAvailableLocales()) {
                                if (l.toString().equals(lang)) {
                                        Locale.setDefault(l);
                                        break;
                                }
                        }
                }
                
                // Locale is set. From now on, tr(), trn() and trc() may be called.

                if (argList.contains("--help") || argList.contains("-?") || argList.contains("-h")) {
                        System.out.println(tr("Java OpenStreetMap Editor")+"\n\n"+
                                        tr("usage")+":\n"+
                                        "\tjava -jar josm.jar <option> <option> <option>...\n\n"+
                                        tr("options")+":\n"+
                                        "\t--help|-?|-h                              "+tr("Show this help")+"\n"+
                                        "\t--geometry=widthxheight(+|-)x(+|-)y       "+tr("Standard unix geometry argument")+"\n"+
                                        "\t[--download=]minlat,minlon,maxlat,maxlon  "+tr("Download the bounding box")+"\n"+
                                        "\t[--download=]<url>                        "+tr("Download the location at the url (with lat=x&lon=y&zoom=z)")+"\n"+
                                        "\t[--download=]<filename>                   "+tr("Open file (as raw gps, if .gpx or .csv)")+"\n"+
                                        "\t--downloadgps=minlat,minlon,maxlat,maxlon "+tr("Download the bounding box as raw gps")+"\n"+
                                        "\t--selection=<searchstring>                "+tr("Select with the given search")+"\n"+
                                        "\t--no-fullscreen                           "+tr("Don't launch in fullscreen mode")+"\n"+
                                        "\t--reset-preferences                       "+tr("Reset the preferences to default")+"\n\n"+
                                        "\t--language=<language>                     "+tr("Set the language. Example: ")+"\n\n"+
                                        tr("examples")+":\n"+
                                        "\tjava -jar josm.jar track1.gpx track2.gpx london.osm\n"+
                                        "\tjava -jar josm.jar http://www.openstreetmap.org/index.html?lat=43.2&lon=11.1&zoom=13\n"+
                                        "\tjava -jar josm.jar london.osm --selection=http://www.ostertag.name/osm/OSM_errors_node-duplicate.xml\n"+
                                        "\tjava -jar josm.jar 43.2,11.1,43.4,11.4\n\n"+

                                        tr("Parameters are read in the order they are specified, so make sure you load\n"+
                                        "some data before --selection")+"\n\n"+
                                        tr("Instead of --download=<bbox> you may specify osm://<bbox>\n"));
                        System.exit(0);
                }

                preConstructorInit(args);
                JFrame mainFrame = new JFrame(tr("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);
        }
}