src/be/nikiroo/jvcard/launcher/Main.java

   1 package be.nikiroo.jvcard.launcher;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.lang.reflect.Field;
   6 import java.net.Socket;
   7 import java.nio.charset.Charset;
   8 import java.util.LinkedList;
   9 import java.util.List;
  10
  11 import be.nikiroo.jvcard.Card;
  12 import be.nikiroo.jvcard.Contact;
  13 import be.nikiroo.jvcard.Data;
  14 import be.nikiroo.jvcard.TypeInfo;
  15 import be.nikiroo.jvcard.launcher.CardResult.MergeCallback;
  16 import be.nikiroo.jvcard.launcher.Optional.NotSupportedException;
  17 import be.nikiroo.jvcard.parsers.Format;
  18 import be.nikiroo.jvcard.remote.Command;
  19 import be.nikiroo.jvcard.remote.SimpleSocket;
  20 import be.nikiroo.jvcard.resources.DisplayBundle;
  21 import be.nikiroo.jvcard.resources.DisplayOption;
  22 import be.nikiroo.jvcard.resources.RemoteBundle;
  23 import be.nikiroo.jvcard.resources.StringId;
  24 import be.nikiroo.jvcard.resources.TransBundle;
  25 import be.nikiroo.utils.IOUtils;
  26 import be.nikiroo.utils.Image;
  27 import be.nikiroo.utils.ImageUtils;
  28 import be.nikiroo.utils.StringUtils;
  29 import be.nikiroo.utils.Version;
  30 import be.nikiroo.utils.resources.Bundles;
  31
  32 /**
  33  * This class contains the runnable Main method. It will parse the user supplied
  34  * parameters and take action based upon those. Most of the time, it will start
  35  * a MainWindow.
  36  *
  37  * @author niki
  38  *
  39  */
  40 public class Main {
  41         /** The name of the program */
  42         static public final String APPLICATION_TITLE = "jVcard";
  43
  44         static private final int ERR_NO_FILE = 1;
  45         static private final int ERR_SYNTAX = 2;
  46         static private final int ERR_INTERNAL = 3;
  47         static private TransBundle transService;
  48
  49         static private String defaultFn;
  50         static private boolean forceComputedFn;
  51
  52         enum Mode {
  53                 CONTACT_MANAGER, I18N, SERVER, LOAD_PHOTO, SAVE_PHOTO, SAVE_CONFIG, HELP, SAVE_TO,
  54         }
  55
  56         /**
  57          * Translate the given {@link StringId} into user text.
  58          *
  59          * @param id
  60          *            the ID to translate
  61          * @param values
  62          *            the values to insert instead of the place holders in the
  63          *            translation
  64          *
  65          * @return the translated text with the given value where required
  66          */
  67         static public String trans(StringId id, Object... values) {
  68                 return transService.getString(id, values);
  69         }
  70
  71         /**
  72          * Check if unicode characters should be used.
  73          *
  74          * @return TRUE to allow unicode
  75          */
  76         static public boolean isUnicode() {
  77                 return transService.isUnicode();
  78         }
  79
  80         /**
  81          * Start the application.
  82          *
  83          * <p>
  84          * The returned exit codes are:
  85          * <ul>
  86          * <li>1: no files to open</li>
  87          * <li>2: invalid syntax</li>
  88          * <li>3: internal error</li>
  89          * </ul>
  90          * </p>
  91          *
  92          * @param args
  93          *            the parameters (see <tt>--help</tt> to know which are
  94          *            supported)
  95          */
  96         public static void main(String[] args) {
  97                 Boolean textMode = null;
  98                 boolean noMoreParams = false;
  99                 boolean filesTried = false;
 100
 101                 // get the "system default" language to help translate the --help
 102                 // message if needed
 103                 String language = null;
 104                 transService = new TransBundle(language);
 105
 106                 boolean unicode = transService.isUnicode();
 107                 String dir = null;
 108                 List<String> files = new LinkedList<String>();
 109                 int port = -1;
 110                 Mode mode = Mode.CONTACT_MANAGER;
 111                 String format = null;
 112                 String output = null;
 113                 for (int index = 0; index < args.length; index++) {
 114                         String arg = args[index];
 115                         if (!noMoreParams && arg.equals("--")) {
 116                                 noMoreParams = true;
 117                         } else if (!noMoreParams && arg.equals("--help")) {
 118                                 if (mode != Mode.CONTACT_MANAGER) {
 119                                         SERR(StringId.CLI_SERR_MODES);
 120                                         return;
 121                                 }
 122                                 mode = Mode.HELP;
 123                         } else if (!noMoreParams && arg.equals("--tui")) {
 124                                 textMode = true;
 125                         } else if (!noMoreParams && arg.equals("--gui")) {
 126                                 textMode = false;
 127                         } else if (!noMoreParams && arg.equals("--noutf")) {
 128                                 unicode = false;
 129                                 transService.setUnicode(unicode);
 130                         } else if (!noMoreParams && arg.equals("--lang")) {
 131                                 index++;
 132                                 if (index >= args.length) {
 133                                         SERR(StringId.CLI_SERR_NOLANG);
 134                                         return;
 135                                 }
 136
 137                                 language = args[index];
 138                                 transService = new TransBundle(language);
 139                                 transService.setUnicode(unicode);
 140                         } else if (!noMoreParams && arg.equals("--config")) {
 141                                 index++;
 142                                 if (index >= args.length) {
 143                                         SERR(StringId.CLI_SERR_NODIR);
 144                                         return;
 145                                 }
 146
 147                                 Bundles.setDirectory(args[index]);
 148                                 transService = new TransBundle(language);
 149                                 transService.setUnicode(unicode);
 150                         } else if (!noMoreParams && arg.equals("--save-config")) {
 151                                 index++;
 152                                 if (index >= args.length) {
 153                                         SERR(StringId.CLI_SERR_NODIR);
 154                                         return;
 155                                 }
 156                                 dir = args[index];
 157
 158                                 if (mode != Mode.CONTACT_MANAGER) {
 159                                         SERR(StringId.CLI_SERR_MODES);
 160                                         return;
 161                                 }
 162                                 mode = Mode.SAVE_CONFIG;
 163                         } else if (!noMoreParams && arg.equals("--server")) {
 164                                 if (mode != Mode.CONTACT_MANAGER) {
 165                                         SERR(StringId.CLI_SERR_MODES);
 166                                         return;
 167                                 }
 168                                 mode = Mode.SERVER;
 169
 170                                 index++;
 171                                 if (index >= args.length) {
 172                                         SERR(StringId.CLI_SERR_NOPORT);
 173                                         return;
 174                                 }
 175
 176                                 try {
 177                                         port = Integer.parseInt(args[index]);
 178                                 } catch (NumberFormatException e) {
 179                                         SERR(StringId.CLI_SERR_BADPORT, "" + args[index]);
 180                                         return;
 181                                 }
 182                         } else if (!noMoreParams && arg.equals("--i18n")) {
 183                                 if (mode != Mode.CONTACT_MANAGER) {
 184                                         SERR(StringId.CLI_SERR_MODES);
 185                                         return;
 186                                 }
 187                                 mode = Mode.I18N;
 188
 189                                 index++;
 190                                 if (index >= args.length) {
 191                                         SERR(StringId.CLI_SERR_NODIR);
 192                                         return;
 193                                 }
 194
 195                                 dir = args[index];
 196                         } else if (!noMoreParams
 197                                         && (arg.equals("--load-photo")
 198                                                         || arg.equals("--save-photo") || arg
 199                                                                 .equals("--only-photo"))) {
 200                                 if (mode != Mode.CONTACT_MANAGER) {
 201                                         SERR(StringId.CLI_SERR_MODES);
 202                                         return;
 203                                 }
 204
 205                                 if (arg.equals("--load-photo")) {
 206                                         mode = Mode.LOAD_PHOTO;
 207                                 } else if (arg.equals("--save-photo")) {
 208                                         mode = Mode.SAVE_PHOTO;
 209                                 }
 210
 211                                 index++;
 212                                 if (index >= args.length) {
 213                                         SERR(StringId.CLI_SERR_NODIR);
 214                                         return;
 215                                 }
 216
 217                                 dir = args[index];
 218
 219                                 index++;
 220                                 if (index >= args.length) {
 221                                         SERR(StringId.CLI_SERR_NOFORMAT);
 222                                         return;
 223                                 }
 224
 225                                 format = args[index];
 226                         } else if (!noMoreParams && (arg.equals("--save-to"))) {
 227                                 if (mode != Mode.CONTACT_MANAGER) {
 228                                         SERR(StringId.CLI_SERR_MODES);
 229                                         return;
 230                                 }
 231                                 mode = Mode.SAVE_TO;
 232
 233                                 index++;
 234                                 if (index >= args.length) {
 235                                         SERR(StringId.CLI_ERR_NOFILES);
 236                                         return;
 237                                 }
 238
 239                                 output = args[index];
 240                         } else {
 241                                 filesTried = true;
 242                                 files.addAll(open(arg));
 243                         }
 244                 }
 245
 246                 // Force headless mode if we run in forced-text mode
 247                 if (mode != Mode.CONTACT_MANAGER || (textMode != null && textMode)) {
 248                         // same as -Djava.awt.headless=true
 249                         System.setProperty("java.awt.headless", "true");
 250                 }
 251
 252                 if (unicode) {
 253                         utf8();
 254                 }
 255
 256                 // N/FN fix information:
 257                 readNFN();
 258
 259                 // Error management:
 260                 if (mode == Mode.SERVER && files.size() > 0) {
 261                         SERR(StringId.CLI_SERR_NOLANG, "--server");
 262                         return;
 263                 } else if (mode == Mode.I18N && files.size() > 0) {
 264                         SERR(StringId.CLI_SERR_NOLANG, "--i18n");
 265                         return;
 266                 } else if (mode == Mode.I18N && language == null) {
 267                         SERR(StringId.CLI_SERR_NOLANG);
 268                 } else if ((mode == Mode.CONTACT_MANAGER || mode == Mode.SAVE_PHOTO || mode == Mode.LOAD_PHOTO)
 269                                 && files.size() == 0) {
 270                         if (files.size() == 0 && !filesTried) {
 271                                 files.addAll(open("."));
 272                         }
 273
 274                         if (files.size() == 0) {
 275                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_NOFILES, ERR_NO_FILE);
 276                                 return;
 277                         }
 278                 }
 279                 //
 280
 281                 switch (mode) {
 282                 case SAVE_CONFIG: {
 283                         try {
 284                                 if (!new File(dir).isDirectory()) {
 285                                         if (!new File(dir).mkdir()) {
 286                                                 System.err.println(trans(
 287                                                                 StringId.CLI_ERR_CANNOT_CREATE_CONFDIR, dir));
 288                                         }
 289                                 }
 290
 291                                 new TransBundle().updateFile(dir); // default locale
 292                                 for (String lang : new TransBundle().getKnownLanguages()) {
 293                                         new TransBundle(lang).updateFile(dir);
 294                                 }
 295
 296                                 // new UIColors().updateFile(dir);
 297                                 new DisplayBundle().updateFile(dir);
 298                                 new RemoteBundle().updateFile(dir);
 299                         } catch (IOException e) {
 300                                 e.printStackTrace();
 301                                 System.err.flush();
 302                                 System.exit(ERR_INTERNAL);
 303                         }
 304                         break;
 305                 }
 306                 case SERVER: {
 307                         try {
 308                                 Optional.runServer(port);
 309                         } catch (IOException e) {
 310                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_CANNOT_START,
 311                                                 ERR_INTERNAL);
 312                                 return;
 313                         } catch (NotSupportedException e) {
 314                                 if (!e.isCompiledIn()) {
 315                                         ERR(StringId.CLI_ERR, StringId.CLI_ERR_NO_REMOTING,
 316                                                         ERR_INTERNAL);
 317                                         return;
 318                                 }
 319                                 e.printStackTrace();
 320                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR, ERR_INTERNAL);
 321                                 return;
 322                         }
 323                         break;
 324                 }
 325                 case I18N: {
 326                         try {
 327                                 transService.updateFile(dir);
 328                         } catch (IOException e) {
 329                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_CANNOT_CREATE_LANG,
 330                                                 ERR_INTERNAL);
 331                                 return;
 332                         }
 333                         break;
 334                 }
 335                 case LOAD_PHOTO: {
 336                         for (String file : files) {
 337                                 try {
 338                                         Card card = getCard(file, null).getCard();
 339                                         for (Contact contact : card) {
 340                                                 String filename = contact.toString(format, "");
 341                                                 File f = new File(dir, filename);
 342
 343                                                 if (f.exists()) {
 344                                                         System.out.println("Loading " + f);
 345                                                         try {
 346                                                                 String type = "jpeg";
 347                                                                 int dotIndex = filename.indexOf('.');
 348                                                                 if (dotIndex >= 0
 349                                                                                 && (dotIndex + 1) < filename.length()) {
 350                                                                         type = filename.substring(dotIndex + 1)
 351                                                                                         .toLowerCase();
 352                                                                 }
 353
 354                                                                 String b64;
 355                                                                 Image img = new Image(IOUtils.toByteArray(f));
 356                                                                 try {
 357                                                                         b64 = img.toBase64();
 358                                                                 } finally {
 359                                                                         img.close();
 360                                                                 }
 361
 362                                                                 // remove previous photos:
 363                                                                 for (Data photo = contact
 364                                                                                 .getPreferredData("PHOTO"); photo != null; photo = contact
 365                                                                                 .getPreferredData("PHOTO")) {
 366                                                                         photo.delete();
 367                                                                 }
 368                                                                 //
 369
 370                                                                 List<TypeInfo> types = new LinkedList<TypeInfo>();
 371                                                                 types.add(new TypeInfo("ENCODING", "b"));
 372                                                                 types.add(new TypeInfo("TYPE", type));
 373                                                                 Data photo = new Data(types, "PHOTO", b64, null);
 374                                                                 contact.add(photo);
 375                                                         } catch (IOException e) {
 376                                                                 System.err.println("Cannot read photo: "
 377                                                                                 + filename);
 378                                                         }
 379                                                 }
 380                                         }
 381                                         card.save();
 382                                 } catch (IOException e) {
 383                                         System.err
 384                                                         .println(trans(StringId.CLI_ERR_CANNOT_OPEN, file));
 385                                 }
 386                         }
 387                         break;
 388                 }
 389                 case SAVE_PHOTO: {
 390                         for (String file : files) {
 391                                 try {
 392                                         Card card = getCard(file, null).getCard();
 393                                         for (Contact contact : card) {
 394                                                 Data photo = contact.getPreferredData("PHOTO");
 395                                                 if (photo != null) {
 396                                                         String filename = contact.toString(format, "");
 397                                                         File f = new File(dir, filename + ".png");
 398                                                         System.out.println("Saving " + f);
 399                                                         Image img = new Image(photo.getValue());
 400                                                         try {
 401                                                                 ImageUtils.getInstance().saveAsImage(img, f,
 402                                                                                 "png");
 403                                                         } catch (IOException e) {
 404                                                                 System.err.println(trans(
 405                                                                                 StringId.CLI_ERR_CANNOT_SAVE_PHOTO,
 406                                                                                 contact.getPreferredDataValue("FN")));
 407                                                         }
 408                                                 }
 409                                         }
 410                                 } catch (IOException e) {
 411                                         System.err
 412                                                         .println(trans(StringId.CLI_ERR_CANNOT_OPEN, file));
 413                                 }
 414                         }
 415                         break;
 416                 }
 417                 case CONTACT_MANAGER: {
 418                         try {
 419                                 Optional.startTui(textMode, files);
 420                         } catch (IOException e) {
 421                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_CANNOT_START,
 422                                                 ERR_NO_FILE);
 423                                 return;
 424                         } catch (NotSupportedException e) {
 425                                 if (!e.isCompiledIn()) {
 426                                         ERR(StringId.CLI_ERR, StringId.CLI_ERR_NO_TUI, ERR_INTERNAL);
 427                                         return;
 428                                 }
 429                                 e.printStackTrace();
 430                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR, ERR_INTERNAL);
 431                                 return;
 432                         }
 433                         break;
 434                 }
 435                 case SAVE_TO: {
 436                         try {
 437                                 Card total = new Card(null, getCardFormat(output));
 438
 439                                 for (String file : files) {
 440                                         try {
 441                                                 Card card = getCard(file, null).getCard();
 442                                                 card.unlink();
 443                                                 while (card.size() > 0) {
 444                                                         total.add(card.remove(0));
 445                                                 }
 446                                         } catch (IOException e) {
 447                                                 System.err.println(trans(StringId.CLI_ERR_CANNOT_OPEN,
 448                                                                 file));
 449                                         }
 450                                 }
 451
 452                                 total.saveAs(new File(output), getCardFormat(output));
 453                         } catch (IOException e) {
 454                                 System.err.println(trans(StringId.CLI_ERR_CANNOT_OPEN, output));
 455                         }
 456
 457                         break;
 458                 }
 459                 case HELP: {
 460                         System.out.println(APPLICATION_TITLE + " "
 461                                         + Version.getCurrentVersion());
 462                         System.out.println();
 463
 464                         System.out.println(trans(StringId.CLI_HELP));
 465                         System.out.println();
 466
 467                         System.out.println(trans(StringId.CLI_HELP_MODES));
 468                         System.out.println("\t--help : "
 469                                         + trans(StringId.CLI_HELP_MODE_HELP));
 470                         System.out.println("\t(--tui|--gui) (--noutf) ... : "
 471                                         + trans(StringId.CLI_HELP_MODE_CONTACT_MANAGER));
 472                         System.out.println("\t--server PORT ... : "
 473                                         + trans(StringId.CLI_HELP_MODE_SERVER));
 474                         System.out.println("\t--save-config DIR : "
 475                                         + trans(StringId.CLI_HELP_MODE_SAVE_CONFIG));
 476                         System.out.println("\t--i18n DIR ---lang LANG : "
 477                                         + trans(StringId.CLI_HELP_MODE_I18N));
 478                         System.out.println("\t--load-photo DIR FORMAT ... : "
 479                                         + trans(StringId.CLI_HELP_MODE_LOAD_PHOTO));
 480                         System.out.println("\t--save-photo DIR FORMAT ... : "
 481                                         + trans(StringId.CLI_HELP_MODE_SAVE_PHOTO));
 482                         System.out.println("\t--save-to output(.vcf) ... : "
 483                                         + trans(StringId.CLI_HELP_MODE_SAVE_TO));
 484                         System.out.println();
 485
 486                         System.out.println(trans(StringId.CLI_HELP_OPTIONS));
 487                         System.out.println("\t-- : " + trans(StringId.CLI_HELP_DD));
 488                         System.out.println("\t--lang LANG : "
 489                                         + trans(StringId.CLI_HELP_LANG));
 490                         System.out.println("\t--tui : " + trans(StringId.CLI_HELP_TUI));
 491                         System.out.println("\t--gui : " + trans(StringId.CLI_HELP_GUI));
 492                         System.out.println("\t--noutf : "
 493                                         + trans(StringId.CLI_HELP_NOUTF_OPTION));
 494                         System.out.println("\t--config : "
 495                                         + trans(StringId.CLI_HELP_CONFIG));
 496                         System.out.println();
 497
 498                         System.out.println(trans(StringId.CLI_HELP_FOOTER));
 499                         System.out.println();
 500
 501                         break;
 502                 }
 503                 }
 504         }
 505
 506         /**
 507          * Return the {@link Card} corresponding to the given resource name -- a
 508          * file or a remote jvcard URL.
 509          *
 510          * <p>
 511          * Will also fix the FN if required (see display.properties).
 512          * </p>
 513          *
 514          * @param input
 515          *            a filename or a remote jvcard url with named resource (e.g.:
 516          *            <tt>jvcard://localhost:4444/coworkers.vcf</tt>)
 517          * @param callback
 518          *            the {@link MergeCallback} to call in case of conflict, or NULL
 519          *            to disallow conflict management (the {@link Card} will not be
 520          *            allowed to synchronise in case of conflicts)
 521          *
 522          * @return the {@link Card}
 523          *
 524          * @throws IOException
 525          *             in case of IO error or remoting not available
 526          */
 527         static public CardResult getCard(String input, MergeCallback callback)
 528                         throws IOException {
 529                 boolean remote = isFileRemote(input);
 530                 Format format = getCardFormat(input);
 531
 532                 CardResult card = null;
 533                 try {
 534                         if (remote) {
 535                                 card = Optional.syncCard(input, callback);
 536                         } else {
 537                                 card = new CardResult(new Card(new File(input), format), false,
 538                                                 false, false);
 539                         }
 540                 } catch (IOException ioe) {
 541                         throw ioe;
 542                 } catch (NotSupportedException e) {
 543                         throw new IOException("Remoting support not available", e);
 544                 }
 545
 546                 // Fix the FN value
 547                 if (defaultFn != null) {
 548                         try {
 549                                 for (Contact contact : card.getCard()) {
 550                                         Data name = contact.getPreferredData("FN");
 551                                         Data n = contact.getPreferredData("N");
 552                                         boolean hasN = n != null && n.getValue().length() > 0;
 553                                         if (name == null || name.getValue().length() == 0
 554                                                         || (forceComputedFn && hasN)) {
 555                                                 name.setValue(contact.toString(defaultFn, "").trim());
 556                                         }
 557                                 }
 558                         } catch (Exception e) {
 559                                 // sync failed -> getCard() throws.
 560                                 // do not update.
 561                         }
 562                 }
 563
 564                 return card;
 565         }
 566
 567         static private boolean isFileRemote(String input) {
 568                 return input.contains("://");
 569         }
 570
 571         static Format getCardFormat(String input) {
 572                 if (isFileRemote(input)) {
 573                         return Format.VCard21;
 574                 }
 575
 576                 Format format = Format.Abook;
 577                 String ext = input;
 578                 if (ext.contains(".")) {
 579                         String tab[] = ext.split("\\.");
 580                         if (tab.length > 1 && tab[tab.length - 1].equalsIgnoreCase("vcf")) {
 581                                 format = Format.VCard21;
 582                         }
 583                 }
 584
 585                 return format;
 586         }
 587
 588         /**
 589          * Open the given path and add all its files if it is a directory or just
 590          * this one if not to the returned list.
 591          *
 592          * @param path
 593          *            the path to open
 594          *
 595          * @return the list of opened files
 596          */
 597         static private List<String> open(String path) {
 598                 List<String> files = new LinkedList<String>();
 599
 600                 if (path != null && path.startsWith("jvcard://")) {
 601                         if (path.endsWith("/")) {
 602                                 files.addAll(list(path));
 603                         } else {
 604                                 files.add(path);
 605                         }
 606                 } else {
 607                         File file = new File(path);
 608                         if (file.exists()) {
 609                                 if (file.isDirectory()) {
 610                                         for (File subfile : file.listFiles()) {
 611                                                 if (!subfile.isDirectory())
 612                                                         files.add(subfile.getAbsolutePath());
 613                                         }
 614                                 } else {
 615                                         files.add(file.getAbsolutePath());
 616                                 }
 617                         } else {
 618                                 System.err.println("File or directory not found: \"" + path
 619                                                 + "\"");
 620                         }
 621                 }
 622
 623                 return files;
 624         }
 625
 626         /**
 627          * List all the available {@link Card}s on the given network location (which
 628          * is expected to be a jVCard remote server, obviously).
 629          *
 630          * @param path
 631          *            the jVCard remote server path (e.g.:
 632          *            <tt>jvcard://localhost:4444/</tt>)
 633          *
 634          * @return the list of {@link Card}s
 635          */
 636         static private List<String> list(String path) {
 637                 List<String> files = new LinkedList<String>();
 638
 639                 try {
 640                         String host = path.split("\\:")[1].substring(2);
 641                         int port = Integer.parseInt(path.split("\\:")[2].replaceAll("/$",
 642                                         ""));
 643                         SimpleSocket s = new SimpleSocket(new Socket(host, port),
 644                                         "sync client");
 645                         s.open(true);
 646
 647                         s.sendCommand(Command.LIST_CARD);
 648                         for (String p : s.receiveBlock()) {
 649                                 files.add(path
 650                                                 + p.substring(StringUtils.fromTime(0).length() + 1));
 651                         }
 652                         s.close();
 653                 } catch (Exception e) {
 654                         e.printStackTrace();
 655                 }
 656
 657                 return files;
 658         }
 659
 660         /**
 661          * Really, really ask for UTF-8 encoding.
 662          */
 663         static private void utf8() {
 664                 try {
 665                         System.setProperty("file.encoding", "UTF-8");
 666                         Field charset = Charset.class.getDeclaredField("defaultCharset");
 667                         charset.setAccessible(true);
 668                         charset.set(null, null);
 669                 } catch (SecurityException e) {
 670                 } catch (NoSuchFieldException e) {
 671                 } catch (IllegalArgumentException e) {
 672                 } catch (IllegalAccessException e) {
 673                 }
 674         }
 675
 676         /**
 677          * Read display.properties to know if we should fix the FN field when empty,
 678          * or always, or never.
 679          */
 680         static private void readNFN() {
 681                 DisplayBundle map = new DisplayBundle();
 682
 683                 defaultFn = map.getString(DisplayOption.CONTACT_DETAILS_DEFAULT_FN);
 684
 685                 forceComputedFn = map.getBoolean(
 686                                 DisplayOption.CONTACT_DETAILS_SHOW_COMPUTED_FN, false);
 687         }
 688
 689         /**
 690          * Syntax error detected, closing the application with an error message.
 691          *
 692          * @param err
 693          *            the syntax error case
 694          */
 695         static private void SERR(StringId err, Object... values) {
 696                 ERR(StringId.CLI_SERR, err, ERR_SYNTAX, values);
 697         }
 698
 699         /**
 700          * Error detected, closing the application with an error message.
 701          *
 702          * @param err
 703          *            the error case
 704          * @param suberr
 705          *            the suberror or NULL if none
 706          * @param CODE
 707          *            the error code as declared above
 708          */
 709         static private void ERR(StringId err, StringId suberr, int CODE,
 710                         Object... subvalues) {
 711                 if (suberr == null)
 712                         System.err.println(trans(err));
 713                 else
 714                         System.err.println(trans(err, trans(suberr, subvalues)));
 715
 716                 System.err.flush();
 717                 System.exit(CODE);
 718         }
 719 }