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

   1 package be.nikiroo.jvcard.launcher;
   2
   3 import java.io.File;
   4 import java.io.FileInputStream;
   5 import java.io.IOException;
   6 import java.io.InputStream;
   7 import java.lang.reflect.Field;
   8 import java.net.Socket;
   9 import java.nio.charset.Charset;
  10 import java.util.LinkedList;
  11 import java.util.List;
  12
  13 import javax.imageio.ImageIO;
  14
  15 import be.nikiroo.jvcard.Card;
  16 import be.nikiroo.jvcard.Contact;
  17 import be.nikiroo.jvcard.Data;
  18 import be.nikiroo.jvcard.TypeInfo;
  19 import be.nikiroo.jvcard.launcher.CardResult.MergeCallback;
  20 import be.nikiroo.jvcard.launcher.Optional.NotSupportedException;
  21 import be.nikiroo.jvcard.parsers.Format;
  22 import be.nikiroo.jvcard.remote.Command;
  23 import be.nikiroo.jvcard.remote.SimpleSocket;
  24 import be.nikiroo.jvcard.resources.DisplayBundle;
  25 import be.nikiroo.jvcard.resources.DisplayOption;
  26 import be.nikiroo.jvcard.resources.RemoteBundle;
  27 import be.nikiroo.jvcard.resources.StringId;
  28 import be.nikiroo.jvcard.resources.TransBundle;
  29 import be.nikiroo.utils.ImageUtils;
  30 import be.nikiroo.utils.StringUtils;
  31 import be.nikiroo.utils.Version;
  32 import be.nikiroo.utils.resources.Bundles;
  33
  34 /**
  35  * This class contains the runnable Main method. It will parse the user supplied
  36  * parameters and take action based upon those. Most of the time, it will start
  37  * a MainWindow.
  38  *
  39  * @author niki
  40  *
  41  */
  42 public class Main {
  43         static public final String APPLICATION_TITLE = "jVcard";
  44
  45         static private final int ERR_NO_FILE = 1;
  46         static private final int ERR_SYNTAX = 2;
  47         static private final int ERR_INTERNAL = 3;
  48         static private TransBundle transService;
  49
  50         static private String defaultFn;
  51         static private boolean forceComputedFn;
  52
  53         enum Mode {
  54                 CONTACT_MANAGER, I18N, SERVER, LOAD_PHOTO, SAVE_PHOTO, SAVE_CONFIG, HELP, SAVE_TO,
  55         }
  56
  57         /**
  58          * Translate the given {@link StringId} into user text.
  59          *
  60          * @param id
  61          *            the ID to translate
  62          * @param values
  63          *            the values to insert instead of the place holders in the
  64          *            translation
  65          *
  66          * @return the translated text with the given value where required
  67          */
  68         static public String trans(StringId id, Object... values) {
  69                 return transService.getString(id, values);
  70         }
  71
  72         /**
  73          * Check if unicode characters should be used.
  74          *
  75          * @return TRUE to allow unicode
  76          */
  77         static public boolean isUnicode() {
  78                 return transService.isUnicode();
  79         }
  80
  81         /**
  82          * Start the application.
  83          *
  84          * <p>
  85          * The returned exit codes are:
  86          * <ul>
  87          * <li>1: no files to open</li>
  88          * <li>2: invalid syntax</li>
  89          * <li>3: internal error</li>
  90          * </ul>
  91          * </p>
  92          *
  93          * @param args
  94          *            the parameters (see <tt>--help</tt> to know which are
  95          *            supported)
  96          */
  97         public static void main(String[] args) {
  98                 Boolean textMode = null;
  99                 boolean noMoreParams = false;
 100                 boolean filesTried = false;
 101
 102                 // get the "system default" language to help translate the --help
 103                 // message if needed
 104                 String language = null;
 105                 transService = new TransBundle(language);
 106
 107                 boolean unicode = transService.isUnicode();
 108                 String dir = null;
 109                 List<String> files = new LinkedList<String>();
 110                 int port = -1;
 111                 Mode mode = Mode.CONTACT_MANAGER;
 112                 String format = null;
 113                 String output = null;
 114                 for (int index = 0; index < args.length; index++) {
 115                         String arg = args[index];
 116                         if (!noMoreParams && arg.equals("--")) {
 117                                 noMoreParams = true;
 118                         } else if (!noMoreParams && arg.equals("--help")) {
 119                                 if (mode != Mode.CONTACT_MANAGER) {
 120                                         SERR(StringId.CLI_SERR_MODES);
 121                                         return;
 122                                 }
 123                                 mode = Mode.HELP;
 124                         } else if (!noMoreParams && arg.equals("--tui")) {
 125                                 textMode = true;
 126                         } else if (!noMoreParams && arg.equals("--gui")) {
 127                                 textMode = false;
 128                         } else if (!noMoreParams && arg.equals("--noutf")) {
 129                                 unicode = false;
 130                                 transService.setUnicode(unicode);
 131                         } else if (!noMoreParams && arg.equals("--lang")) {
 132                                 index++;
 133                                 if (index >= args.length) {
 134                                         SERR(StringId.CLI_SERR_NOLANG);
 135                                         return;
 136                                 }
 137
 138                                 language = args[index];
 139                                 transService = new TransBundle(language);
 140                                 transService.setUnicode(unicode);
 141                         } else if (!noMoreParams && arg.equals("--config")) {
 142                                 index++;
 143                                 if (index >= args.length) {
 144                                         SERR(StringId.CLI_SERR_NODIR);
 145                                         return;
 146                                 }
 147
 148                                 Bundles.setDirectory(args[index]);
 149                                 transService = new TransBundle(language);
 150                                 transService.setUnicode(unicode);
 151                         } else if (!noMoreParams && arg.equals("--save-config")) {
 152                                 index++;
 153                                 if (index >= args.length) {
 154                                         SERR(StringId.CLI_SERR_NODIR);
 155                                         return;
 156                                 }
 157                                 dir = args[index];
 158
 159                                 if (mode != Mode.CONTACT_MANAGER) {
 160                                         SERR(StringId.CLI_SERR_MODES);
 161                                         return;
 162                                 }
 163                                 mode = Mode.SAVE_CONFIG;
 164                         } else if (!noMoreParams && arg.equals("--server")) {
 165                                 if (mode != Mode.CONTACT_MANAGER) {
 166                                         SERR(StringId.CLI_SERR_MODES);
 167                                         return;
 168                                 }
 169                                 mode = Mode.SERVER;
 170
 171                                 index++;
 172                                 if (index >= args.length) {
 173                                         SERR(StringId.CLI_SERR_NOPORT);
 174                                         return;
 175                                 }
 176
 177                                 try {
 178                                         port = Integer.parseInt(args[index]);
 179                                 } catch (NumberFormatException e) {
 180                                         SERR(StringId.CLI_SERR_BADPORT, "" + args[index]);
 181                                         return;
 182                                 }
 183                         } else if (!noMoreParams && arg.equals("--i18n")) {
 184                                 if (mode != Mode.CONTACT_MANAGER) {
 185                                         SERR(StringId.CLI_SERR_MODES);
 186                                         return;
 187                                 }
 188                                 mode = Mode.I18N;
 189
 190                                 index++;
 191                                 if (index >= args.length) {
 192                                         SERR(StringId.CLI_SERR_NODIR);
 193                                         return;
 194                                 }
 195
 196                                 dir = args[index];
 197                         } else if (!noMoreParams
 198                                         && (arg.equals("--load-photo")
 199                                                         || arg.equals("--save-photo") || arg
 200                                                                 .equals("--only-photo"))) {
 201                                 if (mode != Mode.CONTACT_MANAGER) {
 202                                         SERR(StringId.CLI_SERR_MODES);
 203                                         return;
 204                                 }
 205
 206                                 if (arg.equals("--load-photo")) {
 207                                         mode = Mode.LOAD_PHOTO;
 208                                 } else if (arg.equals("--save-photo")) {
 209                                         mode = Mode.SAVE_PHOTO;
 210                                 }
 211
 212                                 index++;
 213                                 if (index >= args.length) {
 214                                         SERR(StringId.CLI_SERR_NODIR);
 215                                         return;
 216                                 }
 217
 218                                 dir = args[index];
 219
 220                                 index++;
 221                                 if (index >= args.length) {
 222                                         SERR(StringId.CLI_SERR_NOFORMAT);
 223                                         return;
 224                                 }
 225
 226                                 format = args[index];
 227                         } else if (!noMoreParams && (arg.equals("--save-to"))) {
 228                                 if (mode != Mode.CONTACT_MANAGER) {
 229                                         SERR(StringId.CLI_SERR_MODES);
 230                                         return;
 231                                 }
 232                                 mode = Mode.SAVE_TO;
 233
 234                                 index++;
 235                                 if (index >= args.length) {
 236                                         SERR(StringId.CLI_ERR_NOFILES);
 237                                         return;
 238                                 }
 239
 240                                 output = args[index];
 241                         } else {
 242                                 filesTried = true;
 243                                 files.addAll(open(arg));
 244                         }
 245                 }
 246
 247                 // Force headless mode if we run in forced-text mode
 248                 if (mode != Mode.CONTACT_MANAGER || (textMode != null && textMode)) {
 249                         // same as -Djava.awt.headless=true
 250                         System.setProperty("java.awt.headless", "true");
 251                 }
 252
 253                 if (unicode) {
 254                         utf8();
 255                 }
 256
 257                 // N/FN fix information:
 258                 readNFN();
 259
 260                 // Error management:
 261                 if (mode == Mode.SERVER && files.size() > 0) {
 262                         SERR(StringId.CLI_SERR_NOLANG, "--server");
 263                         return;
 264                 } else if (mode == Mode.I18N && files.size() > 0) {
 265                         SERR(StringId.CLI_SERR_NOLANG, "--i18n");
 266                         return;
 267                 } else if (mode == Mode.I18N && language == null) {
 268                         SERR(StringId.CLI_SERR_NOLANG);
 269                 } else if ((mode == Mode.CONTACT_MANAGER || mode == Mode.SAVE_PHOTO || mode == Mode.LOAD_PHOTO)
 270                                 && files.size() == 0) {
 271                         if (files.size() == 0 && !filesTried) {
 272                                 files.addAll(open("."));
 273                         }
 274
 275                         if (files.size() == 0) {
 276                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_NOFILES, ERR_NO_FILE);
 277                                 return;
 278                         }
 279                 }
 280                 //
 281
 282                 switch (mode) {
 283                 case SAVE_CONFIG: {
 284                         try {
 285                                 if (!new File(dir).isDirectory()) {
 286                                         if (!new File(dir).mkdir()) {
 287                                                 System.err.println(trans(
 288                                                                 StringId.CLI_ERR_CANNOT_CREATE_CONFDIR, dir));
 289                                         }
 290                                 }
 291
 292                                 new TransBundle().updateFile(dir); // default locale
 293                                 for (String lang : new TransBundle().getKnownLanguages()) {
 294                                         new TransBundle(lang).updateFile(dir);
 295                                 }
 296
 297                                 // new UIColors().updateFile(dir);
 298                                 new DisplayBundle().updateFile(dir);
 299                                 new RemoteBundle().updateFile(dir);
 300                         } catch (IOException e) {
 301                                 e.printStackTrace();
 302                                 System.err.flush();
 303                                 System.exit(ERR_INTERNAL);
 304                         }
 305                         break;
 306                 }
 307                 case SERVER: {
 308                         try {
 309                                 Optional.runServer(port);
 310                         } catch (IOException e) {
 311                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_CANNOT_START,
 312                                                 ERR_INTERNAL);
 313                                 return;
 314                         } catch (NotSupportedException e) {
 315                                 if (!e.isCompiledIn()) {
 316                                         ERR(StringId.CLI_ERR, StringId.CLI_ERR_NO_REMOTING,
 317                                                         ERR_INTERNAL);
 318                                         return;
 319                                 }
 320                                 e.printStackTrace();
 321                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR, ERR_INTERNAL);
 322                                 return;
 323                         }
 324                         break;
 325                 }
 326                 case I18N: {
 327                         try {
 328                                 transService.updateFile(dir);
 329                         } catch (IOException e) {
 330                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_CANNOT_CREATE_LANG,
 331                                                 ERR_INTERNAL);
 332                                 return;
 333                         }
 334                         break;
 335                 }
 336                 case LOAD_PHOTO: {
 337                         for (String file : files) {
 338                                 try {
 339                                         Card card = getCard(file, null).getCard();
 340                                         for (Contact contact : card) {
 341                                                 String filename = contact.toString(format, "");
 342                                                 File f = new File(dir, filename);
 343
 344                                                 if (f.exists()) {
 345                                                         System.out.println("Loading " + f);
 346                                                         try {
 347                                                                 String type = "jpeg";
 348                                                                 int dotIndex = filename.indexOf('.');
 349                                                                 if (dotIndex >= 0
 350                                                                                 && (dotIndex + 1) < filename.length()) {
 351                                                                         type = filename.substring(dotIndex + 1)
 352                                                                                         .toLowerCase();
 353                                                                 }
 354
 355                                                                 String b64;
 356                                                                 InputStream in = null;
 357                                                                 try {
 358                                                                         in = new FileInputStream(f);
 359                                                                         b64 = ImageUtils.toBase64(in);
 360                                                                 } finally {
 361                                                                         if (in != null) {
 362                                                                                 in.close();
 363                                                                         }
 364                                                                 }
 365
 366                                                                 // remove previous photos:
 367                                                                 for (Data photo = contact
 368                                                                                 .getPreferredData("PHOTO"); photo != null; photo = contact
 369                                                                                 .getPreferredData("PHOTO")) {
 370                                                                         photo.delete();
 371                                                                 }
 372                                                                 //
 373
 374                                                                 List<TypeInfo> types = new LinkedList<TypeInfo>();
 375                                                                 types.add(new TypeInfo("ENCODING", "b"));
 376                                                                 types.add(new TypeInfo("TYPE", type));
 377                                                                 Data photo = new Data(types, "PHOTO", b64, null);
 378                                                                 contact.add(photo);
 379                                                         } catch (IOException e) {
 380                                                                 System.err.println("Cannot read photo: "
 381                                                                                 + filename);
 382                                                         }
 383                                                 }
 384                                         }
 385                                         card.save();
 386                                 } catch (IOException e) {
 387                                         System.err
 388                                                         .println(trans(StringId.CLI_ERR_CANNOT_OPEN, file));
 389                                 }
 390                         }
 391                         break;
 392                 }
 393                 case SAVE_PHOTO: {
 394                         for (String file : files) {
 395                                 try {
 396                                         Card card = getCard(file, null).getCard();
 397                                         for (Contact contact : card) {
 398                                                 Data photo = contact.getPreferredData("PHOTO");
 399                                                 if (photo != null) {
 400                                                         String filename = contact.toString(format, "");
 401                                                         File f = new File(dir, filename + ".png");
 402                                                         System.out.println("Saving " + f);
 403                                                         try {
 404                                                                 ImageIO.write(
 405                                                                                 ImageUtils.fromBase64(photo.getValue()),
 406                                                                                 "png", f);
 407                                                         } catch (IOException e) {
 408                                                                 System.err.println(trans(
 409                                                                                 StringId.CLI_ERR_CANNOT_SAVE_PHOTO,
 410                                                                                 contact.getPreferredDataValue("FN")));
 411                                                         }
 412                                                 }
 413                                         }
 414                                 } catch (IOException e) {
 415                                         System.err
 416                                                         .println(trans(StringId.CLI_ERR_CANNOT_OPEN, file));
 417                                 }
 418                         }
 419                         break;
 420                 }
 421                 case CONTACT_MANAGER: {
 422                         try {
 423                                 Optional.startTui(textMode, files);
 424                         } catch (IOException e) {
 425                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR_CANNOT_START,
 426                                                 ERR_NO_FILE);
 427                                 return;
 428                         } catch (NotSupportedException e) {
 429                                 if (!e.isCompiledIn()) {
 430                                         ERR(StringId.CLI_ERR, StringId.CLI_ERR_NO_TUI, ERR_INTERNAL);
 431                                         return;
 432                                 }
 433                                 e.printStackTrace();
 434                                 ERR(StringId.CLI_ERR, StringId.CLI_ERR, ERR_INTERNAL);
 435                                 return;
 436                         }
 437                         break;
 438                 }
 439                 case SAVE_TO: {
 440                         try {
 441                                 Card total = new Card(null, getCardFormat(output));
 442
 443                                 for (String file : files) {
 444                                         try {
 445                                                 Card card = getCard(file, null).getCard();
 446                                                 card.unlink();
 447                                                 while (card.size() > 0) {
 448                                                         total.add(card.remove(0));
 449                                                 }
 450                                         } catch (IOException e) {
 451                                                 System.err.println(trans(StringId.CLI_ERR_CANNOT_OPEN,
 452                                                                 file));
 453                                         }
 454                                 }
 455
 456                                 total.saveAs(new File(output), getCardFormat(output));
 457                         } catch (IOException e) {
 458                                 System.err.println(trans(StringId.CLI_ERR_CANNOT_OPEN, output));
 459                         }
 460
 461                         break;
 462                 }
 463                 case HELP: {
 464                         System.out.println(APPLICATION_TITLE + " "
 465                                         + Version.getCurrentVersion());
 466                         System.out.println();
 467
 468                         System.out.println(trans(StringId.CLI_HELP));
 469                         System.out.println();
 470
 471                         System.out.println(trans(StringId.CLI_HELP_MODES));
 472                         System.out.println("\t--help : "
 473                                         + trans(StringId.CLI_HELP_MODE_HELP));
 474                         System.out.println("\t(--tui|--gui) (--noutf) ... : "
 475                                         + trans(StringId.CLI_HELP_MODE_CONTACT_MANAGER));
 476                         System.out.println("\t--server PORT ... : "
 477                                         + trans(StringId.CLI_HELP_MODE_SERVER));
 478                         System.out.println("\t--save-config DIR : "
 479                                         + trans(StringId.CLI_HELP_MODE_SAVE_CONFIG));
 480                         System.out.println("\t--i18n DIR ---lang LANG : "
 481                                         + trans(StringId.CLI_HELP_MODE_I18N));
 482                         System.out.println("\t--load-photo DIR FORMAT ... : "
 483                                         + trans(StringId.CLI_HELP_MODE_LOAD_PHOTO));
 484                         System.out.println("\t--save-photo DIR FORMAT ... : "
 485                                         + trans(StringId.CLI_HELP_MODE_SAVE_PHOTO));
 486                         System.out.println("\t--save-to output(.vcf) ... : "
 487                                         + trans(StringId.CLI_HELP_MODE_SAVE_TO));
 488                         System.out.println();
 489
 490                         System.out.println(trans(StringId.CLI_HELP_OPTIONS));
 491                         System.out.println("\t-- : " + trans(StringId.CLI_HELP_DD));
 492                         System.out.println("\t--lang LANG : "
 493                                         + trans(StringId.CLI_HELP_LANG));
 494                         System.out.println("\t--tui : " + trans(StringId.CLI_HELP_TUI));
 495                         System.out.println("\t--gui : " + trans(StringId.CLI_HELP_GUI));
 496                         System.out.println("\t--noutf : "
 497                                         + trans(StringId.CLI_HELP_NOUTF_OPTION));
 498                         System.out.println("\t--config : "
 499                                         + trans(StringId.CLI_HELP_CONFIG));
 500                         System.out.println();
 501
 502                         System.out.println(trans(StringId.CLI_HELP_FOOTER));
 503                         System.out.println();
 504
 505                         break;
 506                 }
 507                 }
 508         }
 509
 510         /**
 511          * Return the {@link Card} corresponding to the given resource name -- a
 512          * file or a remote jvcard URL.
 513          *
 514          * <p>
 515          * Will also fix the FN if required (see display.properties).
 516          * </p>
 517          *
 518          * @param input
 519          *            a filename or a remote jvcard url with named resource (e.g.:
 520          *            <tt>jvcard://localhost:4444/coworkers.vcf</tt>)
 521          * @param callback
 522          *            the {@link MergeCallback} to call in case of conflict, or NULL
 523          *            to disallow conflict management (the {@link Card} will not be
 524          *            allowed to synchronise in case of conflicts)
 525          *
 526          * @return the {@link Card}
 527          *
 528          * @throws IOException
 529          *             in case of IO error or remoting not available
 530          */
 531         static public CardResult getCard(String input, MergeCallback callback)
 532                         throws IOException {
 533                 boolean remote = isFileRemote(input);
 534                 Format format = getCardFormat(input);
 535
 536                 CardResult card = null;
 537                 try {
 538                         if (remote) {
 539                                 card = Optional.syncCard(input, callback);
 540                         } else {
 541                                 card = new CardResult(new Card(new File(input), format), false,
 542                                                 false, false);
 543                         }
 544                 } catch (IOException ioe) {
 545                         throw ioe;
 546                 } catch (NotSupportedException e) {
 547                         throw new IOException("Remoting support not available", e);
 548                 }
 549
 550                 // Fix the FN value
 551                 if (defaultFn != null) {
 552                         try {
 553                                 for (Contact contact : card.getCard()) {
 554                                         Data name = contact.getPreferredData("FN");
 555                                         Data n = contact.getPreferredData("N");
 556                                         boolean hasN = n != null && n.getValue().length() > 0;
 557                                         if (name == null || name.getValue().length() == 0
 558                                                         || (forceComputedFn && hasN)) {
 559                                                 name.setValue(contact.toString(defaultFn, "").trim());
 560                                         }
 561                                 }
 562                         } catch (Exception e) {
 563                                 // sync failed -> getCard() throws.
 564                                 // do not update.
 565                         }
 566                 }
 567
 568                 return card;
 569         }
 570
 571         static private boolean isFileRemote(String input) {
 572                 return input.contains("://");
 573         }
 574
 575         static Format getCardFormat(String input) {
 576                 if (isFileRemote(input)) {
 577                         return Format.VCard21;
 578                 }
 579
 580                 Format format = Format.Abook;
 581                 String ext = input;
 582                 if (ext.contains(".")) {
 583                         String tab[] = ext.split("\\.");
 584                         if (tab.length > 1 && tab[tab.length - 1].equalsIgnoreCase("vcf")) {
 585                                 format = Format.VCard21;
 586                         }
 587                 }
 588
 589                 return format;
 590         }
 591
 592         /**
 593          * Open the given path and add all its files if it is a directory or just
 594          * this one if not to the returned list.
 595          *
 596          * @param path
 597          *            the path to open
 598          *
 599          * @return the list of opened files
 600          */
 601         static private List<String> open(String path) {
 602                 List<String> files = new LinkedList<String>();
 603
 604                 if (path != null && path.startsWith("jvcard://")) {
 605                         if (path.endsWith("/")) {
 606                                 files.addAll(list(path));
 607                         } else {
 608                                 files.add(path);
 609                         }
 610                 } else {
 611                         File file = new File(path);
 612                         if (file.exists()) {
 613                                 if (file.isDirectory()) {
 614                                         for (File subfile : file.listFiles()) {
 615                                                 if (!subfile.isDirectory())
 616                                                         files.add(subfile.getAbsolutePath());
 617                                         }
 618                                 } else {
 619                                         files.add(file.getAbsolutePath());
 620                                 }
 621                         } else {
 622                                 System.err.println("File or directory not found: \"" + path
 623                                                 + "\"");
 624                         }
 625                 }
 626
 627                 return files;
 628         }
 629
 630         /**
 631          * List all the available {@link Card}s on the given network location (which
 632          * is expected to be a jVCard remote server, obviously).
 633          *
 634          * @param path
 635          *            the jVCard remote server path (e.g.:
 636          *            <tt>jvcard://localhost:4444/</tt>)
 637          *
 638          * @return the list of {@link Card}s
 639          */
 640         static private List<String> list(String path) {
 641                 List<String> files = new LinkedList<String>();
 642
 643                 try {
 644                         String host = path.split("\\:")[1].substring(2);
 645                         int port = Integer.parseInt(path.split("\\:")[2].replaceAll("/$",
 646                                         ""));
 647                         SimpleSocket s = new SimpleSocket(new Socket(host, port),
 648                                         "sync client");
 649                         s.open(true);
 650
 651                         s.sendCommand(Command.LIST_CARD);
 652                         for (String p : s.receiveBlock()) {
 653                                 files.add(path
 654                                                 + p.substring(StringUtils.fromTime(0).length() + 1));
 655                         }
 656                         s.close();
 657                 } catch (Exception e) {
 658                         e.printStackTrace();
 659                 }
 660
 661                 return files;
 662         }
 663
 664         /**
 665          * Really, really ask for UTF-8 encoding.
 666          */
 667         static private void utf8() {
 668                 try {
 669                         System.setProperty("file.encoding", "UTF-8");
 670                         Field charset = Charset.class.getDeclaredField("defaultCharset");
 671                         charset.setAccessible(true);
 672                         charset.set(null, null);
 673                 } catch (SecurityException e) {
 674                 } catch (NoSuchFieldException e) {
 675                 } catch (IllegalArgumentException e) {
 676                 } catch (IllegalAccessException e) {
 677                 }
 678         }
 679
 680         /**
 681          * Read display.properties to know if we should fix the FN field when empty,
 682          * or always, or never.
 683          */
 684         static private void readNFN() {
 685                 DisplayBundle map = new DisplayBundle();
 686
 687                 defaultFn = map.getString(DisplayOption.CONTACT_DETAILS_DEFAULT_FN);
 688
 689                 forceComputedFn = map.getBoolean(
 690                                 DisplayOption.CONTACT_DETAILS_SHOW_COMPUTED_FN, false);
 691         }
 692
 693         /**
 694          * Syntax error detected, closing the application with an error message.
 695          *
 696          * @param err
 697          *            the syntax error case
 698          */
 699         static private void SERR(StringId err, Object... values) {
 700                 ERR(StringId.CLI_SERR, err, ERR_SYNTAX, values);
 701         }
 702
 703         /**
 704          * Error detected, closing the application with an error message.
 705          *
 706          * @param err
 707          *            the error case
 708          * @param suberr
 709          *            the suberror or NULL if none
 710          * @param CODE
 711          *            the error code as declared above
 712          */
 713         static private void ERR(StringId err, StringId suberr, int CODE,
 714                         Object... subvalues) {
 715                 if (suberr == null)
 716                         System.err.println(trans(err));
 717                 else
 718                         System.err.println(trans(err, trans(suberr, subvalues)));
 719
 720                 System.err.flush();
 721                 System.exit(CODE);
 722         }
 723 }