source: josm/trunk/src/org/openstreetmap/josm/gui/MainApplication.java@ 11136

Last change on this file since 11136 was 11103, checked in by Don-vip, 8 years ago

fix NPE seen in jenkins
  • Property svn:eol-style set to native
File size: 25.4 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5import static org.openstreetmap.josm.tools.I18n.trn;
6
7import java.awt.Dimension;
8import java.io.File;
9import java.io.IOException;
10import java.io.InputStream;
11import java.net.Authenticator;
12import java.net.Inet6Address;
13import java.net.InetAddress;
14import java.net.InetSocketAddress;
15import java.net.ProxySelector;
16import java.net.Socket;
17import java.net.URL;
18import java.security.AllPermission;
19import java.security.CodeSource;
20import java.security.GeneralSecurityException;
21import java.security.KeyStoreException;
22import java.security.NoSuchAlgorithmException;
23import java.security.PermissionCollection;
24import java.security.Permissions;
25import java.security.Policy;
26import java.security.cert.CertificateException;
27import java.util.Arrays;
28import java.util.Collection;
29import java.util.List;
30import java.util.Locale;
31import java.util.Optional;
32import java.util.Set;
33import java.util.TreeSet;
34import java.util.logging.Level;
35
36import javax.swing.JOptionPane;
37import javax.swing.RepaintManager;
38import javax.swing.SwingUtilities;
39
40import org.jdesktop.swinghelper.debug.CheckThreadViolationRepaintManager;
41import org.openstreetmap.josm.Main;
42import org.openstreetmap.josm.actions.PreferencesAction;
43import org.openstreetmap.josm.actions.RestartAction;
44import org.openstreetmap.josm.data.AutosaveTask;
45import org.openstreetmap.josm.data.CustomConfigurator;
46import org.openstreetmap.josm.data.Version;
47import org.openstreetmap.josm.gui.ProgramArguments.Option;
48import org.openstreetmap.josm.gui.SplashScreen.SplashProgressMonitor;
49import org.openstreetmap.josm.gui.download.DownloadDialog;
50import org.openstreetmap.josm.gui.preferences.server.OAuthAccessTokenHolder;
51import org.openstreetmap.josm.gui.preferences.server.ProxyPreference;
52import org.openstreetmap.josm.gui.util.GuiHelper;
53import org.openstreetmap.josm.io.CertificateAmendment;
54import org.openstreetmap.josm.io.DefaultProxySelector;
55import org.openstreetmap.josm.io.MessageNotifier;
56import org.openstreetmap.josm.io.OnlineResource;
57import org.openstreetmap.josm.io.auth.CredentialsManager;
58import org.openstreetmap.josm.io.auth.DefaultAuthenticator;
59import org.openstreetmap.josm.io.protocols.data.Handler;
60import org.openstreetmap.josm.io.remotecontrol.RemoteControl;
61import org.openstreetmap.josm.plugins.PluginHandler;
62import org.openstreetmap.josm.plugins.PluginInformation;
63import org.openstreetmap.josm.tools.FontsManager;
64import org.openstreetmap.josm.tools.HttpClient;
65import org.openstreetmap.josm.tools.I18n;
66import org.openstreetmap.josm.tools.Logging;
67import org.openstreetmap.josm.tools.OsmUrlToBounds;
68import org.openstreetmap.josm.tools.PlatformHookWindows;
69import org.openstreetmap.josm.tools.Utils;
70import org.openstreetmap.josm.tools.WindowGeometry;
71import org.openstreetmap.josm.tools.bugreport.BugReport;
72import org.openstreetmap.josm.tools.bugreport.BugReportExceptionHandler;
73
74/**
75 * Main window class application.
76 *
77 * @author imi
78 */
79public class MainApplication extends Main {
80
81 private MainFrame mainFrame;
82
83 /**
84 * Constructs a new {@code MainApplication} without a window.
85 */
86 public MainApplication() {
87 // Allow subclassing (see JOSM.java)
88 this(null);
89 }
90
91 /**
92 * Constructs a main frame, ready sized and operating. Does not display the frame.
93 * @param mainFrame The main JFrame of the application
94 * @since 10340
95 */
96 public MainApplication(MainFrame mainFrame) {
97 this.mainFrame = mainFrame;
98 }
99
100 @Override
101 protected void initializeMainWindow() {
102 mainPanel.reAddListeners();
103 if (mainFrame != null) {
104 mainFrame.initialize();
105
106 menu = mainFrame.getMenu();
107 } else {
108 // required for running some tests.
109 menu = new MainMenu();
110 }
111 }
112
113 @Override
114 protected void shutdown() {
115 if (mainFrame != null) {
116 mainFrame.storeState();
117 }
118 super.shutdown();
119 }
120
121 /**
122 * Displays help on the console
123 * @since 2748
124 */
125 public static void showHelp() {
126 // TODO: put in a platformHook for system that have no console by default
127 System.out.println(getHelp());
128 }
129
130 static String getHelp() {
131 return tr("Java OpenStreetMap Editor")+" ["
132 +Version.getInstance().getAgentString()+"]\n\n"+
133 tr("usage")+":\n"+
134 "\tjava -jar josm.jar <options>...\n\n"+
135 tr("options")+":\n"+
136 "\t--help|-h "+tr("Show this help")+'\n'+
137 "\t--geometry=widthxheight(+|-)x(+|-)y "+tr("Standard unix geometry argument")+'\n'+
138 "\t[--download=]minlat,minlon,maxlat,maxlon "+tr("Download the bounding box")+'\n'+
139 "\t[--download=]<URL> "+tr("Download the location at the URL (with lat=x&lon=y&zoom=z)")+'\n'+
140 "\t[--download=]<filename> "+tr("Open a file (any file type that can be opened with File/Open)")+'\n'+
141 "\t--downloadgps=minlat,minlon,maxlat,maxlon "+tr("Download the bounding box as raw GPS")+'\n'+
142 "\t--downloadgps=<URL> "+tr("Download the location at the URL (with lat=x&lon=y&zoom=z) as raw GPS")+'\n'+
143 "\t--selection=<searchstring> "+tr("Select with the given search")+'\n'+
144 "\t--[no-]maximize "+tr("Launch in maximized mode")+'\n'+
145 "\t--reset-preferences "+tr("Reset the preferences to default")+"\n\n"+
146 "\t--load-preferences=<url-to-xml> "+tr("Changes preferences according to the XML file")+"\n\n"+
147 "\t--set=<key>=<value> "+tr("Set preference key to value")+"\n\n"+
148 "\t--language=<language> "+tr("Set the language")+"\n\n"+
149 "\t--version "+tr("Displays the JOSM version and exits")+"\n\n"+
150 "\t--debug "+tr("Print debugging messages to console")+"\n\n"+
151 "\t--skip-plugins "+tr("Skip loading plugins")+"\n\n"+
152 "\t--offline=<osm_api|josm_website|all> "+tr("Disable access to the given resource(s), separated by comma")+"\n\n"+
153 tr("options provided as Java system properties")+":\n"+
154 // CHECKSTYLE.OFF: SingleSpaceSeparator
155 "\t-Djosm.pref=" +tr("/PATH/TO/JOSM/PREF ")+tr("Set the preferences directory")+"\n\n"+
156 "\t-Djosm.userdata="+tr("/PATH/TO/JOSM/USERDATA")+tr("Set the user data directory")+"\n\n"+
157 "\t-Djosm.cache=" +tr("/PATH/TO/JOSM/CACHE ")+tr("Set the cache directory")+"\n\n"+
158 "\t-Djosm.home=" +tr("/PATH/TO/JOSM/HOMEDIR ")+
159 // CHECKSTYLE.ON: SingleSpaceSeparator
160 tr("Relocate all 3 directories to homedir. Cache directory will be in homedir/cache")+"\n\n"+
161 tr("-Djosm.home has lower precedence, i.e. the specific setting overrides the general one")+"\n\n"+
162 tr("note: For some tasks, JOSM needs a lot of memory. It can be necessary to add the following\n" +
163 " Java option to specify the maximum size of allocated memory in megabytes")+":\n"+
164 "\t-Xmx...m\n\n"+
165 tr("examples")+":\n"+
166 "\tjava -jar josm.jar track1.gpx track2.gpx london.osm\n"+
167 "\tjava -jar josm.jar "+OsmUrlToBounds.getURL(43.2, 11.1, 13)+'\n'+
168 "\tjava -jar josm.jar london.osm --selection=http://www.ostertag.name/osm/OSM_errors_node-duplicate.xml\n"+
169 "\tjava -jar josm.jar 43.2,11.1,43.4,11.4\n"+
170 "\tjava -Djosm.pref=$XDG_CONFIG_HOME -Djosm.userdata=$XDG_DATA_HOME -Djosm.cache=$XDG_CACHE_HOME -jar josm.jar\n"+
171 "\tjava -Djosm.home=/home/user/.josm_dev -jar josm.jar\n"+
172 "\tjava -Xmx1024m -jar josm.jar\n\n"+
173 tr("Parameters --download, --downloadgps, and --selection are processed in this order.")+'\n'+
174 tr("Make sure you load some data if you use --selection.")+'\n';
175 }
176
177 /**
178 * Main application Startup
179 * @param argArray Command-line arguments
180 */
181 public static void main(final String[] argArray) {
182 I18n.init();
183
184 // construct argument table
185 ProgramArguments args = null;
186 try {
187 args = new ProgramArguments(argArray);
188 } catch (IllegalArgumentException e) {
189 System.err.println(e.getMessage());
190 System.exit(1);
191 return;
192 }
193
194 Level logLevel = args.getLogLevel();
195 Logging.setLogLevel(logLevel);
196 if (!args.showVersion() && !args.showHelp()) {
197 Main.info(tr("Log level is at {0} ({1}, {2})", logLevel.getLocalizedName(), logLevel.getName(), logLevel.intValue()));
198 }
199
200 Optional<String> language = args.getSingle(Option.LANGUAGE);
201 I18n.set(language.orElse(null));
202
203 Policy.setPolicy(new Policy() {
204 // Permissions for plug-ins loaded when josm is started via webstart
205 private PermissionCollection pc;
206
207 {
208 pc = new Permissions();
209 pc.add(new AllPermission());
210 }
211
212 @Override
213 public PermissionCollection getPermissions(CodeSource codesource) {
214 return pc;
215 }
216 });
217
218 Thread.setDefaultUncaughtExceptionHandler(new BugReportExceptionHandler());
219
220 // initialize the platform hook, and
221 Main.determinePlatformHook();
222 // call the really early hook before we do anything else
223 Main.platform.preStartupHook();
224
225 if (args.showVersion()) {
226 System.out.println(Version.getInstance().getAgentString());
227 return;
228 } else if (args.showHelp()) {
229 showHelp();
230 return;
231 }
232
233 Main.COMMAND_LINE_ARGS.addAll(Arrays.asList(argArray));
234
235 boolean skipLoadingPlugins = args.hasOption(Option.SKIP_PLUGINS);
236 if (skipLoadingPlugins) {
237 Main.info(tr("Plugin loading skipped"));
238 }
239
240 if (Logging.isLoggingEnabled(Logging.LEVEL_TRACE)) {
241 // Enable debug in OAuth signpost via system preference, but only at trace level
242 Utils.updateSystemProperty("debug", "true");
243 Main.info(tr("Enabled detailed debug level (trace)"));
244 }
245
246 Main.pref.init(args.hasOption(Option.RESET_PREFERENCES));
247
248 args.getPreferencesToSet().forEach(Main.pref::put);
249
250 if (!language.isPresent()) {
251 I18n.set(Main.pref.get("language", null));
252 }
253 Main.pref.updateSystemProperties();
254
255 checkIPv6();
256
257 processOffline(args);
258
259 Main.platform.afterPrefStartupHook();
260
261 FontsManager.initialize();
262
263 I18n.setupLanguageFonts();
264
265 Handler.install();
266
267 WindowGeometry geometry = WindowGeometry.mainWindow("gui.geometry",
268 args.getSingle(Option.GEOMETRY).orElse(null),
269 !args.hasOption(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
270 final MainFrame mainFrame = new MainFrame(contentPanePrivate, mainPanel, geometry);
271 Main.parent = mainFrame;
272
273 if (args.hasOption(Option.LOAD_PREFERENCES)) {
274 CustomConfigurator.XMLCommandProcessor config = new CustomConfigurator.XMLCommandProcessor(Main.pref);
275 for (String i : args.get(Option.LOAD_PREFERENCES)) {
276 info("Reading preferences from " + i);
277 try (InputStream is = HttpClient.create(new URL(i)).connect().getContent()) {
278 config.openAndReadXML(is);
279 } catch (IOException ex) {
280 throw BugReport.intercept(ex).put("file", i);
281 }
282 }
283 }
284
285 try {
286 CertificateAmendment.addMissingCertificates();
287 } catch (IOException | GeneralSecurityException ex) {
288 Main.warn(ex);
289 Main.warn(getErrorMessage(Utils.getRootCause(ex)));
290 }
291 Authenticator.setDefault(DefaultAuthenticator.getInstance());
292 DefaultProxySelector proxySelector = new DefaultProxySelector(ProxySelector.getDefault());
293 ProxySelector.setDefault(proxySelector);
294 OAuthAccessTokenHolder.getInstance().init(Main.pref, CredentialsManager.getInstance());
295
296 final SplashScreen splash = GuiHelper.runInEDTAndWaitAndReturn(SplashScreen::new);
297 final SplashScreen.SplashProgressMonitor monitor = splash.getProgressMonitor();
298 monitor.beginTask(tr("Initializing"));
299 GuiHelper.runInEDT(() -> splash.setVisible(Main.pref.getBoolean("draw.splashscreen", true)));
300 Main.setInitStatusListener(new InitStatusListener() {
301
302 @Override
303 public Object updateStatus(String event) {
304 monitor.beginTask(event);
305 return event;
306 }
307
308 @Override
309 public void finish(Object status) {
310 if (status instanceof String) {
311 monitor.finishTask((String) status);
312 }
313 }
314 });
315
316 Collection<PluginInformation> pluginsToLoad = null;
317
318 if (!skipLoadingPlugins) {
319 pluginsToLoad = updateAndLoadEarlyPlugins(splash, monitor);
320 }
321
322 monitor.indeterminateSubTask(tr("Setting defaults"));
323 preConstructorInit();
324
325 monitor.indeterminateSubTask(tr("Creating main GUI"));
326 final Main main = new MainApplication(mainFrame);
327 main.initialize();
328
329 if (!skipLoadingPlugins) {
330 loadLatePlugins(splash, monitor, pluginsToLoad);
331 }
332
333 // Wait for splash disappearance (fix #9714)
334 GuiHelper.runInEDTAndWait(() -> {
335 splash.setVisible(false);
336 splash.dispose();
337 mainFrame.setVisible(true);
338 });
339
340 Main.MasterWindowListener.setup();
341
342 boolean maximized = Main.pref.getBoolean("gui.maximized", false);
343 if ((!args.hasOption(Option.NO_MAXIMIZE) && maximized) || args.hasOption(Option.MAXIMIZE)) {
344 mainFrame.setMaximized(true);
345 }
346 if (main.menu.fullscreenToggleAction != null) {
347 main.menu.fullscreenToggleAction.initial();
348 }
349
350 SwingUtilities.invokeLater(new GuiFinalizationWorker(args, proxySelector));
351
352 if (Main.isPlatformWindows()) {
353 try {
354 // Check for insecure certificates to remove.
355 // This is Windows-dependant code but it can't go to preStartupHook (need i18n)
356 // neither startupHook (need to be called before remote control)
357 PlatformHookWindows.removeInsecureCertificates();
358 } catch (NoSuchAlgorithmException | CertificateException | KeyStoreException | IOException e) {
359 error(e);
360 }
361 }
362
363 if (RemoteControl.PROP_REMOTECONTROL_ENABLED.get()) {
364 RemoteControl.start();
365 }
366
367 if (MessageNotifier.PROP_NOTIFIER_ENABLED.get()) {
368 MessageNotifier.start();
369 }
370
371 if (Main.pref.getBoolean("debug.edt-checker.enable", Version.getInstance().isLocalBuild())) {
372 // Repaint manager is registered so late for a reason - there is lots of violation during startup process
373 // but they don't seem to break anything and are difficult to fix
374 info("Enabled EDT checker, wrongful access to gui from non EDT thread will be printed to console");
375 RepaintManager.setCurrentManager(new CheckThreadViolationRepaintManager());
376 }
377 }
378
379 static Collection<PluginInformation> updateAndLoadEarlyPlugins(SplashScreen splash, SplashProgressMonitor monitor) {
380 Collection<PluginInformation> pluginsToLoad;
381 pluginsToLoad = PluginHandler.buildListOfPluginsToLoad(splash, monitor.createSubTaskMonitor(1, false));
382 if (!pluginsToLoad.isEmpty() && PluginHandler.checkAndConfirmPluginUpdate(splash)) {
383 monitor.subTask(tr("Updating plugins"));
384 pluginsToLoad = PluginHandler.updatePlugins(splash, null, monitor.createSubTaskMonitor(1, false), false);
385 }
386
387 monitor.indeterminateSubTask(tr("Installing updated plugins"));
388 PluginHandler.installDownloadedPlugins(true);
389
390 monitor.indeterminateSubTask(tr("Loading early plugins"));
391 PluginHandler.loadEarlyPlugins(splash, pluginsToLoad, monitor.createSubTaskMonitor(1, false));
392 return pluginsToLoad;
393 }
394
395 static void loadLatePlugins(SplashScreen splash, SplashProgressMonitor monitor, Collection<PluginInformation> pluginsToLoad) {
396 monitor.indeterminateSubTask(tr("Loading plugins"));
397 PluginHandler.loadLatePlugins(splash, pluginsToLoad, monitor.createSubTaskMonitor(1, false));
398 toolbar.refreshToolbarControl();
399 }
400
401 private static void processOffline(ProgramArguments args) {
402 for (String offlineNames : args.get(Option.OFFLINE)) {
403 for (String s : offlineNames.split(",")) {
404 try {
405 Main.setOffline(OnlineResource.valueOf(s.toUpperCase(Locale.ENGLISH)));
406 } catch (IllegalArgumentException e) {
407 Main.error(e, tr("''{0}'' is not a valid value for argument ''{1}''. Possible values are {2}, possibly delimited by commas.",
408 s.toUpperCase(Locale.ENGLISH), Option.OFFLINE.getName(), Arrays.toString(OnlineResource.values())));
409 System.exit(1);
410 return;
411 }
412 }
413 }
414 Set<OnlineResource> offline = Main.getOfflineResources();
415 if (!offline.isEmpty()) {
416 Main.warn(trn("JOSM is running in offline mode. This resource will not be available: {0}",
417 "JOSM is running in offline mode. These resources will not be available: {0}",
418 offline.size(), offline.size() == 1 ? offline.iterator().next() : Arrays.toString(offline.toArray())));
419 }
420 }
421
422 /**
423 * Check if IPv6 can be safely enabled and do so. Because this cannot be done after network activation,
424 * disabling or enabling IPV6 may only be done with next start.
425 */
426 private static void checkIPv6() {
427 if ("auto".equals(Main.pref.get("prefer.ipv6", "auto"))) {
428 new Thread((Runnable) () -> { /* this may take some time (DNS, Connect) */
429 boolean hasv6 = false;
430 boolean wasv6 = Main.pref.getBoolean("validated.ipv6", false);
431 try {
432 /* Use the check result from last run of the software, as after the test, value
433 changes have no effect anymore */
434 if (wasv6) {
435 Utils.updateSystemProperty("java.net.preferIPv6Addresses", "true");
436 }
437 for (InetAddress a : InetAddress.getAllByName("josm.openstreetmap.de")) {
438 if (a instanceof Inet6Address) {
439 if (a.isReachable(1000)) {
440 /* be sure it REALLY works */
441 Socket s = new Socket();
442 s.connect(new InetSocketAddress(a, 80), 1000);
443 s.close();
444 Utils.updateSystemProperty("java.net.preferIPv6Addresses", "true");
445 if (!wasv6) {
446 Main.info(tr("Detected useable IPv6 network, prefering IPv6 over IPv4 after next restart."));
447 } else {
448 Main.info(tr("Detected useable IPv6 network, prefering IPv6 over IPv4."));
449 }
450 hasv6 = true;
451 }
452 break; /* we're done */
453 }
454 }
455 } catch (IOException | SecurityException e) {
456 if (Main.isDebugEnabled()) {
457 Main.debug("Exception while checking IPv6 connectivity: "+e);
458 }
459 Main.trace(e);
460 }
461 if (wasv6 && !hasv6) {
462 Main.info(tr("Detected no useable IPv6 network, prefering IPv4 over IPv6 after next restart."));
463 Main.pref.put("validated.ipv6", hasv6); // be sure it is stored before the restart!
464 new RestartAction().actionPerformed(null);
465 }
466 Main.pref.put("validated.ipv6", hasv6);
467 }, "IPv6-checker").start();
468 }
469 }
470
471 private static class GuiFinalizationWorker implements Runnable {
472
473 private final ProgramArguments args;
474 private final DefaultProxySelector proxySelector;
475
476 GuiFinalizationWorker(ProgramArguments args, DefaultProxySelector proxySelector) {
477 this.args = args;
478 this.proxySelector = proxySelector;
479 }
480
481 @Override
482 public void run() {
483
484 // Handle proxy/network errors early to inform user he should change settings to be able to use JOSM correctly
485 if (!handleProxyErrors()) {
486 handleNetworkErrors();
487 }
488
489 // Restore autosave layers after crash and start autosave thread
490 handleAutosave();
491
492 // Handle command line instructions
493 postConstructorProcessCmdLine(args);
494
495 // Show download dialog if autostart is enabled
496 DownloadDialog.autostartIfNeeded();
497 }
498
499 private static void handleAutosave() {
500 if (AutosaveTask.PROP_AUTOSAVE_ENABLED.get()) {
501 AutosaveTask autosaveTask = new AutosaveTask();
502 List<File> unsavedLayerFiles = autosaveTask.getUnsavedLayersFiles();
503 if (!unsavedLayerFiles.isEmpty()) {
504 ExtendedDialog dialog = new ExtendedDialog(
505 Main.parent,
506 tr("Unsaved osm data"),
507 new String[] {tr("Restore"), tr("Cancel"), tr("Discard")}
508 );
509 dialog.setContent(
510 trn("JOSM found {0} unsaved osm data layer. ",
511 "JOSM found {0} unsaved osm data layers. ", unsavedLayerFiles.size(), unsavedLayerFiles.size()) +
512 tr("It looks like JOSM crashed last time. Would you like to restore the data?"));
513 dialog.setButtonIcons(new String[] {"ok", "cancel", "dialogs/delete"});
514 int selection = dialog.showDialog().getValue();
515 if (selection == 1) {
516 autosaveTask.recoverUnsavedLayers();
517 } else if (selection == 3) {
518 autosaveTask.discardUnsavedLayers();
519 }
520 }
521 autosaveTask.schedule();
522 }
523 }
524
525 private static boolean handleNetworkOrProxyErrors(boolean hasErrors, String title, String message) {
526 if (hasErrors) {
527 ExtendedDialog ed = new ExtendedDialog(
528 Main.parent, title,
529 new String[]{tr("Change proxy settings"), tr("Cancel")});
530 ed.setButtonIcons(new String[]{"dialogs/settings", "cancel"}).setCancelButton(2);
531 ed.setMinimumSize(new Dimension(460, 260));
532 ed.setIcon(JOptionPane.WARNING_MESSAGE);
533 ed.setContent(message);
534
535 if (ed.showDialog().getValue() == 1) {
536 PreferencesAction.forPreferenceSubTab(null, null, ProxyPreference.class).run();
537 }
538 }
539 return hasErrors;
540 }
541
542 private boolean handleProxyErrors() {
543 return handleNetworkOrProxyErrors(proxySelector.hasErrors(), tr("Proxy errors occurred"),
544 tr("JOSM tried to access the following resources:<br>" +
545 "{0}" +
546 "but <b>failed</b> to do so, because of the following proxy errors:<br>" +
547 "{1}" +
548 "Would you like to change your proxy settings now?",
549 Utils.joinAsHtmlUnorderedList(proxySelector.getErrorResources()),
550 Utils.joinAsHtmlUnorderedList(proxySelector.getErrorMessages())
551 ));
552 }
553
554 private static boolean handleNetworkErrors() {
555 boolean condition = !NETWORK_ERRORS.isEmpty();
556 if (condition) {
557 Set<String> errors = new TreeSet<>();
558 for (Throwable t : NETWORK_ERRORS.values()) {
559 errors.add(t.toString());
560 }
561 return handleNetworkOrProxyErrors(condition, tr("Network errors occurred"),
562 tr("JOSM tried to access the following resources:<br>" +
563 "{0}" +
564 "but <b>failed</b> to do so, because of the following network errors:<br>" +
565 "{1}" +
566 "It may be due to a missing proxy configuration.<br>" +
567 "Would you like to change your proxy settings now?",
568 Utils.joinAsHtmlUnorderedList(NETWORK_ERRORS.keySet()),
569 Utils.joinAsHtmlUnorderedList(errors)
570 ));
571 }
572 return false;
573 }
574 }
575}
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