src/de/todesbaum/jsite/main/Main.java

   1 /*
   2  * jSite - a tool for uploading websites into Freenet
   3  * Copyright (C) 2006 David Roden
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 package de.todesbaum.jsite.main;
  21
  22 import java.awt.event.ActionEvent;
  23 import java.awt.event.ActionListener;
  24 import java.io.File;
  25 import java.io.IOException;
  26 import java.text.MessageFormat;
  27 import java.util.HashMap;
  28 import java.util.Locale;
  29 import java.util.Map;
  30 import java.util.Set;
  31 import java.util.Map.Entry;
  32
  33 import javax.swing.AbstractAction;
  34 import javax.swing.Action;
  35 import javax.swing.ButtonGroup;
  36 import javax.swing.Icon;
  37 import javax.swing.JList;
  38 import javax.swing.JMenu;
  39 import javax.swing.JMenuBar;
  40 import javax.swing.JOptionPane;
  41 import javax.swing.JPanel;
  42 import javax.swing.JRadioButtonMenuItem;
  43 import javax.swing.event.ListSelectionEvent;
  44 import javax.swing.event.ListSelectionListener;
  45
  46 import de.todesbaum.jsite.application.FileOption;
  47 import de.todesbaum.jsite.application.Freenet7Interface;
  48 import de.todesbaum.jsite.application.Node;
  49 import de.todesbaum.jsite.application.Project;
  50 import de.todesbaum.jsite.gui.NodeManagerListener;
  51 import de.todesbaum.jsite.gui.NodeManagerPage;
  52 import de.todesbaum.jsite.gui.ProjectFilesPage;
  53 import de.todesbaum.jsite.gui.ProjectInsertPage;
  54 import de.todesbaum.jsite.gui.ProjectPage;
  55 import de.todesbaum.jsite.i18n.I18n;
  56 import de.todesbaum.jsite.i18n.I18nContainer;
  57 import de.todesbaum.util.image.IconLoader;
  58 import de.todesbaum.util.swing.TWizard;
  59 import de.todesbaum.util.swing.TWizardPage;
  60 import de.todesbaum.util.swing.WizardListener;
  61
  62 /**
  63  * The main class that ties together everything.
  64  *
  65  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  66  */
  67 public class Main implements ActionListener, ListSelectionListener, WizardListener, NodeManagerListener {
  68
  69         /** Whether the debug mode is activated. */
  70         private static boolean debug = false;
  71
  72         /** The URL for update checks. */
  73         private static final String UPDATE_KEY = "USK@e3myoFyp5avg6WYN16ImHri6J7Nj8980Fm~aQe4EX1U,QvbWT0ImE0TwLODTl7EoJx2NBnwDxTbLTE6zkB-eGPs,AQACAAE/jSite/0/currentVersion.txt";
  74
  75         /** The configuration. */
  76         private Configuration configuration;
  77
  78         /** The freenet interface. */
  79         private Freenet7Interface freenetInterface = new Freenet7Interface();
  80
  81         /** The jSite icon. */
  82         private Icon jSiteIcon;
  83
  84         /**
  85          * Enumeration for all possible pages.
  86          *
  87          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  88          */
  89         private static enum PageType {
  90
  91                 /** The node manager page. */
  92                 PAGE_NODE_MANAGER,
  93
  94                 /** The project page. */
  95                 PAGE_PROJECTS,
  96
  97                 /** The project files page. */
  98                 PAGE_PROJECT_FILES,
  99
 100                 /** The project insert page. */
 101                 PAGE_INSERT_PROJECT
 102
 103         }
 104
 105         /** The supported locales. */
 106         private static final Locale[] SUPPORTED_LOCALES = new Locale[] { Locale.ENGLISH, Locale.GERMAN, Locale.FRENCH, Locale.ITALIAN, new Locale("pl") };
 107
 108         /** The actions that switch the language. */
 109         private Map<Locale, Action> languageActions = new HashMap<Locale, Action>();
 110
 111         /** The “manage nodes” action. */
 112         private Action manageNodeAction;
 113
 114         /** The “check for updates” action. */
 115         private Action checkForUpdatesAction;
 116
 117         /** The “about jSite” action. */
 118         private Action aboutAction;
 119
 120         /** The wizard. */
 121         private TWizard wizard;
 122
 123         /** The node menu. */
 124         private JMenu nodeMenu;
 125
 126         /** The currently selected node. */
 127         private Node selectedNode;
 128
 129         /** Mapping from page type to page. */
 130         private final Map<PageType, TWizardPage> pages = new HashMap<PageType, TWizardPage>();
 131
 132         /**
 133          * Creates a new core with the default configuration file.
 134          */
 135         private Main() {
 136                 this(null);
 137         }
 138
 139         /**
 140          * Creates a new core with the given configuration from the given file.
 141          *
 142          * @param configFilename
 143          *            The name of the configuration file
 144          */
 145         private Main(String configFilename) {
 146                 if (configFilename != null) {
 147                         configuration = new Configuration(configFilename);
 148                 } else {
 149                         configuration = new Configuration();
 150                 }
 151                 Locale.setDefault(configuration.getLocale());
 152                 I18n.setLocale(configuration.getLocale());
 153                 if (!configuration.createLockFile()) {
 154                         int option = JOptionPane.showOptionDialog(null, I18n.getMessage("jsite.main.already-running"), "", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, new Object[] { I18n.getMessage("jsite.main.already-running.override"), I18n.getMessage("jsite.wizard.quit") }, I18n.getMessage("jsite.wizard.quit"));
 155                         if (option != 0) {
 156                                 return;
 157                         }
 158                         configuration.removeLockfileOnExit();
 159                 }
 160                 wizard = new TWizard();
 161                 createActions();
 162                 wizard.setJMenuBar(createMenuBar());
 163                 wizard.setQuitName(I18n.getMessage("jsite.wizard.quit"));
 164                 wizard.setPreviousEnabled(false);
 165                 wizard.setNextEnabled(true);
 166                 wizard.addWizardListener(this);
 167                 jSiteIcon = IconLoader.loadIcon("/jsite-icon.png");
 168                 wizard.setIcon(jSiteIcon);
 169
 170                 initPages();
 171                 showPage(PageType.PAGE_PROJECTS);
 172         }
 173
 174         /**
 175          * Creates all actions.
 176          */
 177         private void createActions() {
 178                 for (final Locale locale : SUPPORTED_LOCALES) {
 179                         languageActions.put(locale, new AbstractAction(I18n.getMessage("jsite.menu.language." + locale.getLanguage()), IconLoader.loadIcon("/flag-" + locale.getLanguage() + ".png")) {
 180
 181                                 @SuppressWarnings("synthetic-access")
 182                                 public void actionPerformed(ActionEvent actionEvent) {
 183                                         switchLanguage(locale);
 184                                 }
 185                         });
 186                 }
 187                 manageNodeAction = new AbstractAction(I18n.getMessage("jsite.menu.nodes.manage-nodes")) {
 188
 189                         @SuppressWarnings("synthetic-access")
 190                         public void actionPerformed(ActionEvent actionEvent) {
 191                                 showPage(PageType.PAGE_NODE_MANAGER);
 192                                 wizard.setPreviousName(I18n.getMessage("jsite.wizard.previous"));
 193                                 wizard.setNextName(I18n.getMessage("jsite.wizard.next"));
 194                         }
 195                 };
 196                 checkForUpdatesAction = new AbstractAction(I18n.getMessage("jsite.menu.help.check-for-updates")) {
 197
 198                         /**
 199                          * {@inheritDoc}
 200                          */
 201                         @SuppressWarnings("synthetic-access")
 202                         public void actionPerformed(ActionEvent actionEvent) {
 203                                 checkForUpdates();
 204                         }
 205                 };
 206                 aboutAction = new AbstractAction(I18n.getMessage("jsite.menu.help.about")) {
 207
 208                         @SuppressWarnings("synthetic-access")
 209                         public void actionPerformed(ActionEvent e) {
 210                                 JOptionPane.showMessageDialog(wizard, MessageFormat.format(I18n.getMessage("jsite.about.message"), Version.getVersion()), null, JOptionPane.INFORMATION_MESSAGE, jSiteIcon);
 211                         }
 212                 };
 213
 214                 I18nContainer.getInstance().registerRunnable(new Runnable() {
 215
 216                         @SuppressWarnings("synthetic-access")
 217                         public void run() {
 218                                 manageNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.menu.nodes.manage-nodes"));
 219                                 aboutAction.putValue(Action.NAME, I18n.getMessage("jsite.menu.help.about"));
 220                         }
 221                 });
 222         }
 223
 224         /**
 225          * Creates the menu bar.
 226          *
 227          * @return The menu bar
 228          */
 229         private JMenuBar createMenuBar() {
 230                 JMenuBar menuBar = new JMenuBar();
 231                 final JMenu languageMenu = new JMenu(I18n.getMessage("jsite.menu.languages"));
 232                 menuBar.add(languageMenu);
 233                 ButtonGroup languageButtonGroup = new ButtonGroup();
 234                 for (Locale locale : SUPPORTED_LOCALES) {
 235                         Action languageAction = languageActions.get(locale);
 236                         JRadioButtonMenuItem menuItem = new JRadioButtonMenuItem(languageActions.get(locale));
 237                         if (locale.equals(Locale.getDefault())) {
 238                                 menuItem.setSelected(true);
 239                         }
 240                         languageAction.putValue("menuItem", menuItem);
 241                         languageButtonGroup.add(menuItem);
 242                         languageMenu.add(menuItem);
 243                 }
 244                 nodeMenu = new JMenu(I18n.getMessage("jsite.menu.nodes"));
 245                 menuBar.add(nodeMenu);
 246                 selectedNode = configuration.getSelectedNode();
 247                 nodesUpdated(configuration.getNodes());
 248
 249                 /* evil hack to right-align the help menu */
 250                 JPanel panel = new JPanel();
 251                 panel.setOpaque(false);
 252                 menuBar.add(panel);
 253
 254                 final JMenu helpMenu = new JMenu(I18n.getMessage("jsite.menu.help"));
 255                 menuBar.add(helpMenu);
 256                 helpMenu.add(aboutAction);
 257
 258                 I18nContainer.getInstance().registerRunnable(new Runnable() {
 259
 260                         @SuppressWarnings("synthetic-access")
 261                         public void run() {
 262                                 languageMenu.setText(I18n.getMessage("jsite.menu.languages"));
 263                                 nodeMenu.setText(I18n.getMessage("jsite.menu.nodes"));
 264                                 helpMenu.setText(I18n.getMessage("jsite.menu.help"));
 265                                 for (Map.Entry<Locale, Action> languageActionEntry : languageActions.entrySet()) {
 266                                         languageActionEntry.getValue().putValue(Action.NAME, I18n.getMessage("jsite.menu.language." + languageActionEntry.getKey().getLanguage()));
 267                                 }
 268                         }
 269                 });
 270
 271                 return menuBar;
 272         }
 273
 274         /**
 275          * Initializes all pages.
 276          */
 277         private void initPages() {
 278                 NodeManagerPage nodeManagerPage = new NodeManagerPage(wizard);
 279                 nodeManagerPage.setName("page.node-manager");
 280                 nodeManagerPage.addNodeManagerListener(this);
 281                 nodeManagerPage.setNodes(configuration.getNodes());
 282                 pages.put(PageType.PAGE_NODE_MANAGER, nodeManagerPage);
 283
 284                 ProjectPage projectPage = new ProjectPage(wizard);
 285                 projectPage.setName("page.project");
 286                 projectPage.setProjects(configuration.getProjects());
 287                 projectPage.setFreenetInterface(freenetInterface);
 288                 projectPage.addListSelectionListener(this);
 289                 pages.put(PageType.PAGE_PROJECTS, projectPage);
 290
 291                 ProjectFilesPage projectFilesPage = new ProjectFilesPage(wizard);
 292                 projectFilesPage.setName("page.project.files");
 293                 pages.put(PageType.PAGE_PROJECT_FILES, projectFilesPage);
 294
 295                 ProjectInsertPage projectInsertPage = new ProjectInsertPage(wizard);
 296                 projectInsertPage.setDebug(debug);
 297                 projectInsertPage.setName("page.project.insert");
 298                 projectInsertPage.setFreenetInterface(freenetInterface);
 299                 pages.put(PageType.PAGE_INSERT_PROJECT, projectInsertPage);
 300         }
 301
 302         /**
 303          * Shows the page with the given type.
 304          *
 305          * @param pageType
 306          *            The page type to show
 307          */
 308         private void showPage(PageType pageType) {
 309                 wizard.setPreviousEnabled(pageType.ordinal() > 0);
 310                 wizard.setNextEnabled(pageType.ordinal() < (pages.size() - 1));
 311                 wizard.setPage(pages.get(pageType));
 312                 wizard.setTitle(pages.get(pageType).getHeading() + " - jSite");
 313         }
 314
 315         /**
 316          * Saves the configuration.
 317          *
 318          * @return <code>true</code> if the configuration could be saved,
 319          *         <code>false</code> otherwise
 320          */
 321         private boolean saveConfiguration() {
 322                 NodeManagerPage nodeManagerPage = (NodeManagerPage) pages.get(PageType.PAGE_NODE_MANAGER);
 323                 configuration.setNodes(nodeManagerPage.getNodes());
 324                 if (selectedNode != null) {
 325                         configuration.setSelectedNode(selectedNode);
 326                 }
 327
 328                 ProjectPage projectPage = (ProjectPage) pages.get(PageType.PAGE_PROJECTS);
 329                 configuration.setProjects(projectPage.getProjects());
 330
 331                 return configuration.save();
 332         }
 333
 334         /**
 335          * Finds a supported locale for the given locale.
 336          *
 337          * @param forLocale
 338          *            The locale to find a supported locale for
 339          * @return The supported locale that was found, or the default locale if no
 340          *         supported locale could be found
 341          */
 342         private Locale findSupportedLocale(Locale forLocale) {
 343                 for (Locale locale : SUPPORTED_LOCALES) {
 344                         if (locale.equals(forLocale)) {
 345                                 return locale;
 346                         }
 347                 }
 348                 for (Locale locale : SUPPORTED_LOCALES) {
 349                         if (locale.getCountry().equals(forLocale.getCountry()) && locale.getLanguage().equals(forLocale.getLanguage())) {
 350                                 return locale;
 351                         }
 352                 }
 353                 for (Locale locale : SUPPORTED_LOCALES) {
 354                         if (locale.getLanguage().equals(forLocale.getLanguage())) {
 355                                 return locale;
 356                         }
 357                 }
 358                 return SUPPORTED_LOCALES[0];
 359         }
 360
 361         //
 362         // ACTIONS
 363         //
 364
 365         /**
 366          * Switches the language of the interface to the given locale.
 367          *
 368          * @param locale
 369          *            The locale to switch to
 370          */
 371         private void switchLanguage(Locale locale) {
 372                 Locale supportedLocale = findSupportedLocale(locale);
 373                 Action languageAction = languageActions.get(supportedLocale);
 374                 JRadioButtonMenuItem menuItem = (JRadioButtonMenuItem) languageAction.getValue("menuItem");
 375                 menuItem.setSelected(true);
 376                 I18n.setLocale(supportedLocale);
 377                 for (Runnable i18nRunnable : I18nContainer.getInstance()) {
 378                         try {
 379                                 i18nRunnable.run();
 380                         } catch (Throwable t) {
 381                                 /* we probably shouldn't swallow this. */
 382                         }
 383                 }
 384                 wizard.setPage(wizard.getPage());
 385                 configuration.setLocale(supportedLocale);
 386         }
 387
 388         /**
 389          * Checks for updates of jSite.
 390          */
 391         private void checkForUpdates() {
 392
 393         }
 394
 395         //
 396         // INTERFACE ListSelectionListener
 397         //
 398
 399         /**
 400          * {@inheritDoc}
 401          */
 402         public void valueChanged(ListSelectionEvent e) {
 403                 JList list = (JList) e.getSource();
 404                 int selectedRow = list.getSelectedIndex();
 405                 wizard.setNextEnabled(selectedRow > -1);
 406         }
 407
 408         //
 409         // INTERFACE WizardListener
 410         //
 411
 412         /**
 413          * {@inheritDoc}
 414          */
 415         public void wizardNextPressed(TWizard wizard) {
 416                 String pageName = wizard.getPage().getName();
 417                 if ("page.node-manager".equals(pageName)) {
 418                         showPage(PageType.PAGE_PROJECTS);
 419                 } else if ("page.project".equals(pageName)) {
 420                         ProjectPage projectPage = (ProjectPage) wizard.getPage();
 421                         Project project = projectPage.getSelectedProject();
 422                         if ((project.getLocalPath() == null) || (project.getLocalPath().trim().length() == 0)) {
 423                                 JOptionPane.showMessageDialog(wizard, I18n.getMessage("jsite.project.warning.no-local-path"), null, JOptionPane.ERROR_MESSAGE);
 424                                 return;
 425                         }
 426                         if ((project.getPath() == null) || (project.getPath().trim().length() == 0)) {
 427                                 JOptionPane.showMessageDialog(wizard, I18n.getMessage("jsite.project.warning.no-path"), null, JOptionPane.ERROR_MESSAGE);
 428                                 return;
 429                         }
 430                         ((ProjectFilesPage) pages.get(PageType.PAGE_PROJECT_FILES)).setProject(project);
 431                         ((ProjectInsertPage) pages.get(PageType.PAGE_INSERT_PROJECT)).setProject(project);
 432                         showPage(PageType.PAGE_PROJECT_FILES);
 433                 } else if ("page.project.files".equals(pageName)) {
 434                         ProjectPage projectPage = (ProjectPage) pages.get(PageType.PAGE_PROJECTS);
 435                         Project project = projectPage.getSelectedProject();
 436                         if (selectedNode == null) {
 437                                 JOptionPane.showMessageDialog(wizard, I18n.getMessage("jsite.project-files.no-node-selected"), null, JOptionPane.ERROR_MESSAGE);
 438                                 return;
 439                         }
 440                         if (project.getIndexFile() == null) {
 441                                 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.project-files.empty-index"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) != JOptionPane.OK_OPTION) {
 442                                         return;
 443                                 }
 444                         } else {
 445                                 File indexFile = new File(project.getLocalPath(), project.getIndexFile());
 446                                 if (!indexFile.exists()) {
 447                                         JOptionPane.showMessageDialog(wizard, I18n.getMessage("jsite.project-files.index-missing"), null, JOptionPane.ERROR_MESSAGE);
 448                                         return;
 449                                 }
 450                         }
 451                         String indexFile = project.getIndexFile();
 452                         boolean hasIndexFile = (indexFile != null);
 453                         if (hasIndexFile && !project.getFileOption(indexFile).getContainer().equals("")) {
 454                                 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.project-files.container-index"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) != JOptionPane.OK_OPTION) {
 455                                         return;
 456                                 }
 457                         }
 458                         if (hasIndexFile && !project.getFileOption(indexFile).getMimeType().equals("text/html")) {
 459                                 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.project-files.index-not-html"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) != JOptionPane.OK_OPTION) {
 460                                         return;
 461                                 }
 462                         }
 463                         Map<String, FileOption> fileOptions = project.getFileOptions();
 464                         Set<Entry<String, FileOption>> fileOptionEntries = fileOptions.entrySet();
 465                         for (Entry<String, FileOption> fileOptionEntry : fileOptionEntries) {
 466                                 FileOption fileOption = fileOptionEntry.getValue();
 467                                 if (!fileOption.isInsert() && ((fileOption.getCustomKey().length() == 0) || "CHK@".equals(fileOption.getCustomKey()))) {
 468                                         JOptionPane.showMessageDialog(wizard, MessageFormat.format(I18n.getMessage("jsite.project-files.no-custom-key"), fileOptionEntry.getKey()), null, JOptionPane.ERROR_MESSAGE);
 469                                         return;
 470                                 }
 471                         }
 472                         boolean nodeRunning = false;
 473                         try {
 474                                 nodeRunning = freenetInterface.isNodePresent();
 475                         } catch (IOException e) {
 476                                 /* ignore. */
 477                         }
 478                         if (!nodeRunning) {
 479                                 JOptionPane.showMessageDialog(wizard, I18n.getMessage("jsite.project-files.no-node-running"), null, JOptionPane.ERROR_MESSAGE);
 480                                 return;
 481                         }
 482                         configuration.save();
 483                         showPage(PageType.PAGE_INSERT_PROJECT);
 484                         ((ProjectInsertPage) pages.get(PageType.PAGE_INSERT_PROJECT)).startInsert();
 485                         nodeMenu.setEnabled(false);
 486                 } else if ("page.project.insert".equals(pageName)) {
 487                         showPage(PageType.PAGE_PROJECTS);
 488                         nodeMenu.setEnabled(true);
 489                 }
 490         }
 491
 492         /**
 493          * {@inheritDoc}
 494          */
 495         public void wizardPreviousPressed(TWizard wizard) {
 496                 String pageName = wizard.getPage().getName();
 497                 if ("page.project".equals(pageName)) {
 498                         showPage(PageType.PAGE_NODE_MANAGER);
 499                 } else if ("page.project.files".equals(pageName)) {
 500                         showPage(PageType.PAGE_PROJECTS);
 501                 } else if ("page.project.insert".equals(pageName)) {
 502                         showPage(PageType.PAGE_PROJECT_FILES);
 503                 }
 504         }
 505
 506         /**
 507          * {@inheritDoc}
 508          */
 509         public void wizardQuitPressed(TWizard wizard) {
 510                 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.quit.question"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE) == JOptionPane.OK_OPTION) {
 511                         if (saveConfiguration()) {
 512                                 System.exit(0);
 513                         }
 514                         if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.quit.config-not-saved"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.OK_OPTION) {
 515                                 System.exit(0);
 516                         }
 517                 }
 518         }
 519
 520         //
 521         // INTERFACE NodeManagerListener
 522         //
 523
 524         /**
 525          * {@inheritDoc}
 526          */
 527         public void nodesUpdated(Node[] nodes) {
 528                 nodeMenu.removeAll();
 529                 ButtonGroup nodeButtonGroup = new ButtonGroup();
 530                 Node newSelectedNode = null;
 531                 for (Node node : nodes) {
 532                         JRadioButtonMenuItem nodeMenuItem = new JRadioButtonMenuItem(node.getName());
 533                         nodeMenuItem.putClientProperty("Node", node);
 534                         nodeMenuItem.addActionListener(this);
 535                         nodeButtonGroup.add(nodeMenuItem);
 536                         if (node.equals(selectedNode)) {
 537                                 newSelectedNode = node;
 538                                 nodeMenuItem.setSelected(true);
 539                         }
 540                         nodeMenu.add(nodeMenuItem);
 541                 }
 542                 nodeMenu.addSeparator();
 543                 nodeMenu.add(manageNodeAction);
 544                 selectedNode = newSelectedNode;
 545                 freenetInterface.setNode(selectedNode);
 546         }
 547
 548         /**
 549          * {@inheritDoc}
 550          */
 551         public void actionPerformed(ActionEvent e) {
 552                 Object source = e.getSource();
 553                 if (source instanceof JRadioButtonMenuItem) {
 554                         JRadioButtonMenuItem menuItem = (JRadioButtonMenuItem) source;
 555                         Node node = (Node) menuItem.getClientProperty("Node");
 556                         selectedNode = node;
 557                         freenetInterface.setNode(selectedNode);
 558                 }
 559         }
 560
 561         //
 562         // MAIN METHOD
 563         //
 564
 565         /**
 566          * Main method that is called by the VM.
 567          *
 568          * @param args
 569          *            The command-line arguments
 570          */
 571         public static void main(String[] args) {
 572                 String configFilename = null;
 573                 boolean nextIsConfigFilename = false;
 574                 for (String argument : args) {
 575                         if (nextIsConfigFilename) {
 576                                 configFilename = argument;
 577                                 nextIsConfigFilename = false;
 578                         }
 579                         if ("--help".equals(argument)) {
 580                                 printHelp();
 581                                 return;
 582                         } else if ("--debug".equals(argument)) {
 583                                 debug = true;
 584                         } else if ("--config-file".equals(argument)) {
 585                                 nextIsConfigFilename = true;
 586                         }
 587                 }
 588                 if (nextIsConfigFilename) {
 589                         System.out.println("--config-file needs parameter!");
 590                         return;
 591                 }
 592                 new Main(configFilename);
 593         }
 594
 595         /**
 596          * Prints a small syntax help.
 597          */
 598         private static void printHelp() {
 599                 System.out.println("--help\tshows this cruft");
 600                 System.out.println("--debug\tenables some debug output");
 601                 System.out.println("--config-file <file>\tuse specified configuration file");
 602         }
 603
 604 }