src/be/nikiroo/fanfix/Main.java

   1 package be.nikiroo.fanfix;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.net.MalformedURLException;
   6 import java.net.URL;
   7 import java.util.List;
   8
   9 import be.nikiroo.fanfix.bundles.StringId;
  10 import be.nikiroo.fanfix.data.Chapter;
  11 import be.nikiroo.fanfix.data.MetaData;
  12 import be.nikiroo.fanfix.data.Story;
  13 import be.nikiroo.fanfix.library.BasicLibrary;
  14 import be.nikiroo.fanfix.library.CacheLibrary;
  15 import be.nikiroo.fanfix.library.LocalLibrary;
  16 import be.nikiroo.fanfix.library.RemoteLibrary;
  17 import be.nikiroo.fanfix.library.RemoteLibraryServer;
  18 import be.nikiroo.fanfix.output.BasicOutput;
  19 import be.nikiroo.fanfix.output.BasicOutput.OutputType;
  20 import be.nikiroo.fanfix.reader.BasicReader;
  21 import be.nikiroo.fanfix.reader.Reader;
  22 import be.nikiroo.fanfix.reader.Reader.ReaderType;
  23 import be.nikiroo.fanfix.supported.BasicSupport;
  24 import be.nikiroo.fanfix.supported.SupportType;
  25 import be.nikiroo.utils.Progress;
  26 import be.nikiroo.utils.Version;
  27 import be.nikiroo.utils.serial.server.ServerObject;
  28
  29 /**
  30  * Main program entry point.
  31  *
  32  * @author niki
  33  */
  34 public class Main {
  35         private enum MainAction {
  36                 IMPORT, EXPORT, CONVERT, READ, READ_URL, LIST, HELP, SET_READER, START, VERSION, SERVER, STOP_SERVER, REMOTE,
  37         }
  38
  39         /**
  40          * Main program entry point.
  41          * <p>
  42          * Known environment variables:
  43          * <ul>
  44          * <li>NOUTF: if set to 1 or 'true', the program will prefer non-unicode
  45          * {@link String}s when possible</li>
  46          * <li>CONFIG_DIR: a path where to look for the <tt>.properties</tt> files
  47          * before taking the usual ones; they will also be saved/updated into this
  48          * path when the program starts</li>
  49          * <li>DEBUG: if set to 1 or 'true', the program will override the DEBUG_ERR
  50          * configuration value with 'true'</li>
  51          * </ul>
  52          * <p>
  53          * <ul>
  54          * <li>--import [URL]: import into library</li>
  55          * <li>--export [id] [output_type] [target]: export story to target</li>
  56          * <li>--convert [URL] [output_type] [target] (+info): convert URL into
  57          * target</li>
  58          * <li>--read [id] ([chapter number]): read the given story from the library
  59          * </li>
  60          * <li>--read-url [URL] ([chapter number]): convert on the fly and read the
  61          * story, without saving it</li>
  62          * <li>--list ([type]): list the stories present in the library</li>
  63          * <li>--set-reader [reader type]: set the reader type to CLI, TUI or LOCAL
  64          * for this command</li>
  65          * <li>--version: get the version of the program</li>
  66          * <li>--server [key] [port]: start a server on this port</li>
  67          * <li>--stop-server [key] [port]: stop the running server on this port if
  68          * any</li>
  69          * <li>--remote [key] [host] [port]: use a the given remote library</li>
  70          * </ul>
  71          *
  72          * @param args
  73          *            see method description
  74          */
  75         public static void main(String[] args) {
  76                 String urlString = null;
  77                 String luid = null;
  78                 String sourceString = null;
  79                 String chapString = null;
  80                 String target = null;
  81                 String key = null;
  82                 MainAction action = MainAction.START;
  83                 Boolean plusInfo = null;
  84                 String host = null;
  85                 Integer port = null;
  86
  87                 boolean noMoreActions = false;
  88
  89                 int exitCode = 0;
  90                 for (int i = 0; exitCode == 0 && i < args.length; i++) {
  91                         // Action (--) handling:
  92                         if (!noMoreActions && args[i].startsWith("--")) {
  93                                 if (args[i].equals("--")) {
  94                                         noMoreActions = true;
  95                                 } else {
  96                                         try {
  97                                                 action = MainAction.valueOf(args[i].substring(2)
  98                                                                 .toUpperCase().replace("-", "_"));
  99                                         } catch (Exception e) {
 100                                                 Instance.getTraceHandler().error(
 101                                                                 new IllegalArgumentException("Unknown action: "
 102                                                                                 + args[i], e));
 103                                                 exitCode = 255;
 104                                         }
 105                                 }
 106
 107                                 continue;
 108                         }
 109
 110                         switch (action) {
 111                         case IMPORT:
 112                                 if (urlString == null) {
 113                                         urlString = args[i];
 114                                 } else {
 115                                         exitCode = 255;
 116                                 }
 117                                 break;
 118                         case EXPORT:
 119                                 if (luid == null) {
 120                                         luid = args[i];
 121                                 } else if (sourceString == null) {
 122                                         sourceString = args[i];
 123                                 } else if (target == null) {
 124                                         target = args[i];
 125                                 } else {
 126                                         exitCode = 255;
 127                                 }
 128                                 break;
 129                         case CONVERT:
 130                                 if (urlString == null) {
 131                                         urlString = args[i];
 132                                 } else if (sourceString == null) {
 133                                         sourceString = args[i];
 134                                 } else if (target == null) {
 135                                         target = args[i];
 136                                 } else if (plusInfo == null) {
 137                                         if ("+info".equals(args[i])) {
 138                                                 plusInfo = true;
 139                                         } else {
 140                                                 exitCode = 255;
 141                                         }
 142                                 } else {
 143                                         exitCode = 255;
 144                                 }
 145                                 break;
 146                         case LIST:
 147                                 if (sourceString == null) {
 148                                         sourceString = args[i];
 149                                 } else {
 150                                         exitCode = 255;
 151                                 }
 152                                 break;
 153                         case READ:
 154                                 if (luid == null) {
 155                                         luid = args[i];
 156                                 } else if (chapString == null) {
 157                                         chapString = args[i];
 158                                 } else {
 159                                         exitCode = 255;
 160                                 }
 161                                 break;
 162                         case READ_URL:
 163                                 if (urlString == null) {
 164                                         urlString = args[i];
 165                                 } else if (chapString == null) {
 166                                         chapString = args[i];
 167                                 } else {
 168                                         exitCode = 255;
 169                                 }
 170                                 break;
 171                         case HELP:
 172                                 exitCode = 255;
 173                                 break;
 174                         case SET_READER:
 175                                 exitCode = setReaderType(args[i]);
 176                                 action = MainAction.START;
 177                                 break;
 178                         case START:
 179                                 exitCode = 255; // not supposed to be selected by user
 180                                 break;
 181                         case VERSION:
 182                                 exitCode = 255; // no arguments for this option
 183                                 break;
 184                         case SERVER:
 185                         case STOP_SERVER:
 186                                 if (key == null) {
 187                                         key = args[i];
 188                                 } else if (port == null) {
 189                                         port = Integer.parseInt(args[i]);
 190                                 } else {
 191                                         exitCode = 255;
 192                                 }
 193                                 break;
 194                         case REMOTE:
 195                                 if (key == null) {
 196                                         key = args[i];
 197                                 } else if (host == null) {
 198                                         host = args[i];
 199                                 } else if (port == null) {
 200                                         port = Integer.parseInt(args[i]);
 201
 202                                         BasicLibrary lib = new RemoteLibrary(key, host, port);
 203                                         lib = new CacheLibrary(Instance.getRemoteDir(host), lib);
 204
 205                                         BasicReader.setDefaultLibrary(lib);
 206
 207                                         action = MainAction.START;
 208                                 } else {
 209                                         exitCode = 255;
 210                                 }
 211                                 break;
 212                         }
 213                 }
 214
 215                 final Progress mainProgress = new Progress(0, 80);
 216                 mainProgress.addProgressListener(new Progress.ProgressListener() {
 217                         private int current = mainProgress.getMin();
 218
 219                         @Override
 220                         public void progress(Progress progress, String name) {
 221                                 int diff = progress.getProgress() - current;
 222                                 current += diff;
 223
 224                                 StringBuilder builder = new StringBuilder();
 225                                 for (int i = 0; i < diff; i++) {
 226                                         builder.append('.');
 227                                 }
 228
 229                                 System.err.print(builder.toString());
 230
 231                                 if (progress.isDone()) {
 232                                         System.err.println("");
 233                                 }
 234                         }
 235                 });
 236                 Progress pg = new Progress();
 237                 mainProgress.addProgress(pg, mainProgress.getMax());
 238
 239                 VersionCheck updates = VersionCheck.check();
 240                 if (updates.isNewVersionAvailable()) {
 241                         // Sent to syserr so not to cause problem if one tries to capture a
 242                         // story content in text mode
 243                         System.err
 244                                         .println("A new version of the program is available at https://github.com/nikiroo/fanfix/releases");
 245                         System.err.println("");
 246                         for (Version v : updates.getNewer()) {
 247                                 System.err.println("\tVersion " + v);
 248                                 System.err.println("\t-------------");
 249                                 System.err.println("");
 250                                 for (String item : updates.getChanges().get(v)) {
 251                                         System.err.println("\t- " + item);
 252                                 }
 253                                 System.err.println("");
 254                         }
 255                 }
 256
 257                 if (exitCode != 255) {
 258                         switch (action) {
 259                         case IMPORT:
 260                                 exitCode = imprt(urlString, pg);
 261                                 updates.ok(); // we consider it read
 262                                 break;
 263                         case EXPORT:
 264                                 exitCode = export(luid, sourceString, target, pg);
 265                                 updates.ok(); // we consider it read
 266                                 break;
 267                         case CONVERT:
 268                                 exitCode = convert(urlString, sourceString, target,
 269                                                 plusInfo == null ? false : plusInfo, pg);
 270                                 updates.ok(); // we consider it read
 271                                 break;
 272                         case LIST:
 273                                 if (BasicReader.getReader() == null) {
 274                                         Instance.getTraceHandler()
 275                                                         .error(new Exception(
 276                                                                         "No reader type has been configured"));
 277                                         exitCode = 10;
 278                                         break;
 279                                 }
 280                                 exitCode = list(sourceString);
 281                                 break;
 282                         case READ:
 283                                 if (BasicReader.getReader() == null) {
 284                                         Instance.getTraceHandler()
 285                                                         .error(new Exception(
 286                                                                         "No reader type has been configured"));
 287                                         exitCode = 10;
 288                                         break;
 289                                 }
 290                                 exitCode = read(luid, chapString, true);
 291                                 break;
 292                         case READ_URL:
 293                                 if (BasicReader.getReader() == null) {
 294                                         Instance.getTraceHandler()
 295                                                         .error(new Exception(
 296                                                                         "No reader type has been configured"));
 297                                         exitCode = 10;
 298                                         break;
 299                                 }
 300                                 exitCode = read(urlString, chapString, false);
 301                                 break;
 302                         case HELP:
 303                                 syntax(true);
 304                                 exitCode = 0;
 305                                 break;
 306                         case SET_READER:
 307                                 exitCode = 255;
 308                                 break;
 309                         case VERSION:
 310                                 System.out
 311                                                 .println(String.format("Fanfix version %s"
 312                                                                 + "%nhttps://github.com/nikiroo/fanfix/"
 313                                                                 + "%n\tWritten by Nikiroo",
 314                                                                 Version.getCurrentVersion()));
 315                                 updates.ok(); // we consider it read
 316                                 break;
 317                         case START:
 318                                 if (BasicReader.getReader() == null) {
 319                                         Instance.getTraceHandler()
 320                                                         .error(new Exception(
 321                                                                         "No reader type has been configured"));
 322                                         exitCode = 10;
 323                                         break;
 324                                 }
 325                                 BasicReader.getReader().browse(null);
 326                                 break;
 327                         case SERVER:
 328                                 if (port == null) {
 329                                         exitCode = 255;
 330                                         break;
 331                                 }
 332                                 try {
 333                                         ServerObject server = new RemoteLibraryServer(key, port);
 334                                         server.setTraceHandler(Instance.getTraceHandler());
 335                                         server.run();
 336                                 } catch (IOException e) {
 337                                         Instance.getTraceHandler().error(e);
 338                                 }
 339                                 return;
 340                         case STOP_SERVER:
 341                                 if (port == null) {
 342                                         exitCode = 255;
 343                                         break;
 344                                 }
 345
 346                                 new RemoteLibrary(key, host, port).exit();
 347                                 break;
 348                         case REMOTE:
 349                                 exitCode = 255; // should not be reachable (REMOTE -> START)
 350                                 break;
 351                         }
 352                 }
 353
 354                 try {
 355                         Instance.getTempFiles().close();
 356                 } catch (IOException e) {
 357                         Instance.getTraceHandler()
 358                                         .error(new IOException(
 359                                                         "Cannot dispose of the temporary files", e));
 360                 }
 361
 362                 if (exitCode == 255) {
 363                         syntax(false);
 364                 }
 365
 366                 if (exitCode != 0) {
 367                         System.exit(exitCode);
 368                 }
 369         }
 370
 371         /**
 372          * Import the given resource into the {@link LocalLibrary}.
 373          *
 374          * @param urlString
 375          *            the resource to import
 376          * @param pg
 377          *            the optional progress reporter
 378          *
 379          * @return the exit return code (0 = success)
 380          */
 381         public static int imprt(String urlString, Progress pg) {
 382                 try {
 383                         Story story = Instance.getLibrary().imprt(
 384                                         BasicReader.getUrl(urlString), pg);
 385                         System.out.println(story.getMeta().getLuid() + ": \""
 386                                         + story.getMeta().getTitle() + "\" imported.");
 387                 } catch (IOException e) {
 388                         Instance.getTraceHandler().error(e);
 389                         return 1;
 390                 }
 391
 392                 return 0;
 393         }
 394
 395         /**
 396          * Export the {@link Story} from the {@link LocalLibrary} to the given
 397          * target.
 398          *
 399          * @param luid
 400          *            the story LUID
 401          * @param typeString
 402          *            the {@link OutputType} to use
 403          * @param target
 404          *            the target
 405          * @param pg
 406          *            the optional progress reporter
 407          *
 408          * @return the exit return code (0 = success)
 409          */
 410         public static int export(String luid, String typeString, String target,
 411                         Progress pg) {
 412                 OutputType type = OutputType.valueOfNullOkUC(typeString, null);
 413                 if (type == null) {
 414                         Instance.getTraceHandler().error(
 415                                         new Exception(trans(StringId.OUTPUT_DESC, typeString)));
 416                         return 1;
 417                 }
 418
 419                 try {
 420                         Instance.getLibrary().export(luid, type, target, pg);
 421                 } catch (IOException e) {
 422                         Instance.getTraceHandler().error(e);
 423                         return 4;
 424                 }
 425
 426                 return 0;
 427         }
 428
 429         /**
 430          * List the stories of the given source from the {@link LocalLibrary}
 431          * (unless NULL is passed, in which case all stories will be listed).
 432          *
 433          * @param source
 434          *            the source to list the known stories of, or NULL to list all
 435          *            stories
 436          *
 437          * @return the exit return code (0 = success)
 438          */
 439         private static int list(String source) {
 440                 List<MetaData> stories;
 441                 stories = BasicReader.getReader().getLibrary().getListBySource(source);
 442
 443                 for (MetaData story : stories) {
 444                         String author = "";
 445                         if (story.getAuthor() != null && !story.getAuthor().isEmpty()) {
 446                                 author = " (" + story.getAuthor() + ")";
 447                         }
 448
 449                         System.out.println(story.getLuid() + ": " + story.getTitle()
 450                                         + author);
 451                 }
 452                 return 0;
 453         }
 454
 455         /**
 456          * Start the CLI reader for this {@link Story}.
 457          *
 458          * @param story
 459          *            the LUID of the {@link Story} in the {@link LocalLibrary}
 460          *            <b>or</b> the {@link Story} {@link URL}
 461          * @param chapString
 462          *            which {@link Chapter} to read (starting at 1), or NULL to get
 463          *            the {@link Story} description
 464          * @param library
 465          *            TRUE if the source is the {@link Story} LUID, FALSE if it is a
 466          *            {@link URL}
 467          *
 468          * @return the exit return code (0 = success)
 469          */
 470         private static int read(String story, String chapString, boolean library) {
 471                 try {
 472                         Reader reader = BasicReader.getReader();
 473                         if (library) {
 474                                 reader.setMeta(story);
 475                         } else {
 476                                 reader.setMeta(BasicReader.getUrl(story), null);
 477                         }
 478
 479                         if (chapString != null) {
 480                                 try {
 481                                         reader.setChapter(Integer.parseInt(chapString));
 482                                         reader.read();
 483                                 } catch (NumberFormatException e) {
 484                                         Instance.getTraceHandler().error(
 485                                                         new IOException("Chapter number cannot be parsed: "
 486                                                                         + chapString, e));
 487                                         return 2;
 488                                 }
 489                         } else {
 490                                 reader.read();
 491                         }
 492                 } catch (IOException e) {
 493                         Instance.getTraceHandler().error(e);
 494                         return 1;
 495                 }
 496
 497                 return 0;
 498         }
 499
 500         /**
 501          * Convert the {@link Story} into another format.
 502          *
 503          * @param urlString
 504          *            the source {@link Story} to convert
 505          * @param typeString
 506          *            the {@link OutputType} to convert to
 507          * @param target
 508          *            the target file
 509          * @param infoCover
 510          *            TRUE to also export the cover and info file, even if the given
 511          *            {@link OutputType} does not usually save them
 512          * @param pg
 513          *            the optional progress reporter
 514          *
 515          * @return the exit return code (0 = success)
 516          */
 517         public static int convert(String urlString, String typeString,
 518                         String target, boolean infoCover, Progress pg) {
 519                 int exitCode = 0;
 520
 521                 String sourceName = urlString;
 522                 try {
 523                         URL source = BasicReader.getUrl(urlString);
 524                         sourceName = source.toString();
 525                         if (source.toString().startsWith("file://")) {
 526                                 sourceName = sourceName.substring("file://".length());
 527                         }
 528
 529                         OutputType type = OutputType.valueOfAllOkUC(typeString, null);
 530                         if (type == null) {
 531                                 Instance.getTraceHandler().error(
 532                                                 new IOException(trans(StringId.ERR_BAD_OUTPUT_TYPE,
 533                                                                 typeString)));
 534
 535                                 exitCode = 2;
 536                         } else {
 537                                 try {
 538                                         BasicSupport support = BasicSupport.getSupport(source);
 539
 540                                         if (support != null) {
 541                                                 Progress pgIn = new Progress();
 542                                                 Progress pgOut = new Progress();
 543                                                 if (pg != null) {
 544                                                         pg.setMax(2);
 545                                                         pg.addProgress(pgIn, 1);
 546                                                         pg.addProgress(pgOut, 1);
 547                                                 }
 548
 549                                                 Story story = support.process(pgIn);
 550                                                 try {
 551                                                         target = new File(target).getAbsolutePath();
 552                                                         BasicOutput.getOutput(type, infoCover, infoCover)
 553                                                                         .process(story, target, pgOut);
 554                                                 } catch (IOException e) {
 555                                                         Instance.getTraceHandler().error(
 556                                                                         new IOException(trans(StringId.ERR_SAVING,
 557                                                                                         target), e));
 558                                                         exitCode = 5;
 559                                                 }
 560                                         } else {
 561                                                 Instance.getTraceHandler().error(
 562                                                                 new IOException(trans(
 563                                                                                 StringId.ERR_NOT_SUPPORTED, source)));
 564
 565                                                 exitCode = 4;
 566                                         }
 567                                 } catch (IOException e) {
 568                                         Instance.getTraceHandler().error(
 569                                                         new IOException(trans(StringId.ERR_LOADING,
 570                                                                         sourceName), e));
 571                                         exitCode = 3;
 572                                 }
 573                         }
 574                 } catch (MalformedURLException e) {
 575                         Instance.getTraceHandler()
 576                                         .error(new IOException(trans(StringId.ERR_BAD_URL,
 577                                                         sourceName), e));
 578                         exitCode = 1;
 579                 }
 580
 581                 return exitCode;
 582         }
 583
 584         /**
 585          * Simple shortcut method to call {link Instance#getTrans()#getString()}.
 586          *
 587          * @param id
 588          *            the ID to translate
 589          *
 590          * @return the translated result
 591          */
 592         private static String trans(StringId id, Object... params) {
 593                 return Instance.getTrans().getString(id, params);
 594         }
 595
 596         /**
 597          * Display the correct syntax of the program to the user to stdout, or an
 598          * error message if the syntax used was wrong on stderr.
 599          *
 600          * @param showHelp
 601          *            TRUE to show the syntax help, FALSE to show "syntax error"
 602          */
 603         private static void syntax(boolean showHelp) {
 604                 if (showHelp) {
 605                         StringBuilder builder = new StringBuilder();
 606                         for (SupportType type : SupportType.values()) {
 607                                 builder.append(trans(StringId.ERR_SYNTAX_TYPE, type.toString(),
 608                                                 type.getDesc()));
 609                                 builder.append('\n');
 610                         }
 611
 612                         String typesIn = builder.toString();
 613                         builder.setLength(0);
 614
 615                         for (OutputType type : OutputType.values()) {
 616                                 builder.append(trans(StringId.ERR_SYNTAX_TYPE, type.toString(),
 617                                                 type.getDesc(true)));
 618                                 builder.append('\n');
 619                         }
 620
 621                         String typesOut = builder.toString();
 622
 623                         System.out.println(trans(StringId.HELP_SYNTAX, typesIn, typesOut));
 624                 } else {
 625                         System.err.println(trans(StringId.ERR_SYNTAX));
 626                 }
 627         }
 628
 629         /**
 630          * Set the default reader type for this session only (it can be changed in
 631          * the configuration file, too, but this value will override it).
 632          *
 633          * @param readerTypeString
 634          *            the type
 635          */
 636         private static int setReaderType(String readerTypeString) {
 637                 try {
 638                         ReaderType readerType = ReaderType.valueOf(readerTypeString
 639                                         .toUpperCase());
 640                         BasicReader.setDefaultReaderType(readerType);
 641                         return 0;
 642                 } catch (IllegalArgumentException e) {
 643                         Instance.getTraceHandler().error(
 644                                         new IOException("Unknown reader type: " + readerTypeString,
 645                                                         e));
 646                         return 1;
 647                 }
 648         }
 649 }