1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package jdk.jpackage.internal; 26 27 import java.io.File; 28 import java.io.FileInputStream; 29 import java.io.IOException; 30 import java.nio.file.Files; 31 import java.nio.file.Path; 32 import java.text.MessageFormat; 33 import java.util.ArrayList; 34 import java.util.Arrays; 35 import java.util.Collection; 36 import java.util.EnumSet; 37 import java.util.HashMap; 38 import java.util.HashSet; 39 import java.util.List; 40 import java.util.Map; 41 import java.util.Set; 42 import java.util.Properties; 43 import java.util.ResourceBundle; 44 import java.util.jar.Attributes; 45 import java.util.jar.JarFile; 46 import java.util.jar.Manifest; 47 import java.util.stream.Stream; 48 import java.util.regex.Matcher; 49 import java.util.regex.Pattern; 50 51 /** 52 * Arguments 53 * 54 * This class encapsulates and processes the command line arguments, 55 * in effect, implementing all the work of jpackage tool. 56 * 57 * The primary entry point, processArguments(): 58 * Processes and validates command line arguments, constructing DeployParams. 59 * Validates the DeployParams, and generate the BundleParams. 60 * Generates List of Bundlers from BundleParams valid for this platform. 61 * Executes each Bundler in the list. 62 */ 63 public class Arguments { 64 private static final ResourceBundle I18N = ResourceBundle.getBundle( 65 "jdk.jpackage.internal.resources.MainResources"); 66 67 private static final String FA_EXTENSIONS = "extension"; 68 private static final String FA_CONTENT_TYPE = "mime-type"; 69 private static final String FA_DESCRIPTION = "description"; 70 private static final String FA_ICON = "icon"; 71 72 // regexp for parsing args (for example, for additional launchers) 73 private static Pattern pattern = Pattern.compile( 74 "(?:(?:([\"'])(?:\\\\\\1|.)*?(?:\\1|$))|(?:\\\\[\"'\\s]|[^\\s]))++"); 75 76 private DeployParams deployParams = null; 77 private String packageType = null; 78 79 private int pos = 0; 80 private List<String> argList = null; 81 82 private List<CLIOptions> allOptions = null; 83 84 private String input = null; 85 private String output = null; 86 87 private boolean hasMainJar = false; 88 private boolean hasMainClass = false; 89 private boolean hasMainModule = false; 90 public boolean userProvidedBuildRoot = false; 91 92 private String buildRoot = null; 93 private String mainJarPath = null; 94 95 private static boolean runtimeInstaller = false; 96 97 private List<AddLauncherArguments> addLaunchers = null; 98 99 private static Map<String, CLIOptions> argIds = new HashMap<>(); 100 private static Map<String, CLIOptions> argShortIds = new HashMap<>(); 101 102 static { 103 // init maps for parsing arguments 104 (EnumSet.allOf(CLIOptions.class)).forEach(option -> { 105 argIds.put(option.getIdWithPrefix(), option); 106 if (option.getShortIdWithPrefix() != null) { 107 argShortIds.put(option.getShortIdWithPrefix(), option); 108 } 109 }); 110 } 111 112 public Arguments(String[] args) { 113 argList = new ArrayList<String>(args.length); 114 for (String arg : args) { 115 argList.add(arg); 116 } 117 Log.verbose ("\njpackage argument list: \n" + argList + "\n"); 118 pos = 0; 119 120 deployParams = new DeployParams(); 121 122 packageType = null; 123 124 allOptions = new ArrayList<>(); 125 126 addLaunchers = new ArrayList<>(); 127 } 128 129 // CLIOptions is public for DeployParamsTest 130 public enum CLIOptions { 131 PACKAGE_TYPE("package-type", OptionCategories.PROPERTY, () -> { 132 context().packageType = popArg(); 133 context().deployParams.setTargetFormat(context().packageType); 134 }), 135 136 INPUT ("input", "i", OptionCategories.PROPERTY, () -> { 137 context().input = popArg(); 138 setOptionValue("input", context().input); 139 }), 140 141 OUTPUT ("output", "o", OptionCategories.PROPERTY, () -> { 142 context().output = popArg(); 143 context().deployParams.setOutput(new File(context().output)); 144 }), 145 146 DESCRIPTION ("description", "d", OptionCategories.PROPERTY), 147 148 VENDOR ("vendor", OptionCategories.PROPERTY), 149 150 APPCLASS ("main-class", OptionCategories.PROPERTY, () -> { 151 context().hasMainClass = true; 152 setOptionValue("main-class", popArg()); 153 }), 154 155 NAME ("name", "n", OptionCategories.PROPERTY), 156 157 IDENTIFIER ("identifier", OptionCategories.PROPERTY), 158 159 VERBOSE ("verbose", OptionCategories.PROPERTY, () -> { 160 setOptionValue("verbose", true); 161 Log.setVerbose(); 162 }), 163 164 RESOURCE_DIR("resource-dir", 165 OptionCategories.PROPERTY, () -> { 166 String resourceDir = popArg(); 167 setOptionValue("resource-dir", resourceDir); 168 }), 169 170 ARGUMENTS ("arguments", OptionCategories.PROPERTY, () -> { 171 List<String> arguments = getArgumentList(popArg()); 172 setOptionValue("arguments", arguments); 173 }), 174 175 ICON ("icon", OptionCategories.PROPERTY), 176 177 COPYRIGHT ("copyright", OptionCategories.PROPERTY), 178 179 LICENSE_FILE ("license-file", OptionCategories.PROPERTY), 180 181 VERSION ("app-version", OptionCategories.PROPERTY), 182 183 RELEASE ("linux-app-release", OptionCategories.PROPERTY), 184 185 JAVA_OPTIONS ("java-options", OptionCategories.PROPERTY, () -> { 186 List<String> args = getArgumentList(popArg()); 187 args.forEach(a -> setOptionValue("java-options", a)); 188 }), 189 190 FILE_ASSOCIATIONS ("file-associations", 191 OptionCategories.PROPERTY, () -> { 192 Map<String, ? super Object> args = new HashMap<>(); 193 194 // load .properties file 195 Map<String, String> initialMap = getPropertiesFromFile(popArg()); 196 197 String ext = initialMap.get(FA_EXTENSIONS); 198 if (ext != null) { 199 args.put(StandardBundlerParam.FA_EXTENSIONS.getID(), ext); 200 } 201 202 String type = initialMap.get(FA_CONTENT_TYPE); 203 if (type != null) { 204 args.put(StandardBundlerParam.FA_CONTENT_TYPE.getID(), type); 205 } 206 207 String desc = initialMap.get(FA_DESCRIPTION); 208 if (desc != null) { 209 args.put(StandardBundlerParam.FA_DESCRIPTION.getID(), desc); 210 } 211 212 String icon = initialMap.get(FA_ICON); 213 if (icon != null) { 214 args.put(StandardBundlerParam.FA_ICON.getID(), icon); 215 } 216 217 ArrayList<Map<String, ? super Object>> associationList = 218 new ArrayList<Map<String, ? super Object>>(); 219 220 associationList.add(args); 221 222 // check that we really add _another_ value to the list 223 setOptionValue("file-associations", associationList); 224 225 }), 226 227 ADD_LAUNCHER ("add-launcher", 228 OptionCategories.PROPERTY, () -> { 229 String spec = popArg(); 230 String name = null; 231 String filename = spec; 232 if (spec.contains("=")) { 233 String[] values = spec.split("=", 2); 234 name = values[0]; 235 filename = values[1]; 236 } 237 context().addLaunchers.add( 238 new AddLauncherArguments(name, filename)); 239 }), 240 241 TEMP_ROOT ("temp-root", OptionCategories.PROPERTY, () -> { 242 context().buildRoot = popArg(); 243 context().userProvidedBuildRoot = true; 244 setOptionValue("temp-root", context().buildRoot); 245 }), 246 247 INSTALL_DIR ("install-dir", OptionCategories.PROPERTY), 248 249 PREDEFINED_APP_IMAGE ("app-image", OptionCategories.PROPERTY), 250 251 PREDEFINED_RUNTIME_IMAGE ("runtime-image", OptionCategories.PROPERTY), 252 253 MAIN_JAR ("main-jar", OptionCategories.PROPERTY, () -> { 254 context().mainJarPath = popArg(); 255 context().hasMainJar = true; 256 setOptionValue("main-jar", context().mainJarPath); 257 }), 258 259 MODULE ("module", "m", OptionCategories.MODULAR, () -> { 260 context().hasMainModule = true; 261 setOptionValue("module", popArg()); 262 }), 263 264 ADD_MODULES ("add-modules", OptionCategories.MODULAR), 265 266 MODULE_PATH ("module-path", "p", OptionCategories.MODULAR), 267 268 MAC_SIGN ("mac-sign", "s", OptionCategories.PLATFORM_MAC, () -> { 269 setOptionValue("mac-sign", true); 270 }), 271 272 MAC_BUNDLE_NAME ("mac-bundle-name", OptionCategories.PLATFORM_MAC), 273 274 MAC_BUNDLE_IDENTIFIER("mac-bundle-identifier", 275 OptionCategories.PLATFORM_MAC), 276 277 MAC_APP_STORE_CATEGORY ("mac-app-store-category", 278 OptionCategories.PLATFORM_MAC), 279 280 MAC_BUNDLE_SIGNING_PREFIX ("mac-bundle-signing-prefix", 281 OptionCategories.PLATFORM_MAC), 282 283 MAC_SIGNING_KEY_NAME ("mac-signing-key-user-name", 284 OptionCategories.PLATFORM_MAC), 285 286 MAC_SIGNING_KEYCHAIN ("mac-signing-keychain", 287 OptionCategories.PLATFORM_MAC), 288 289 MAC_APP_STORE_ENTITLEMENTS ("mac-app-store-entitlements", 290 OptionCategories.PLATFORM_MAC), 291 292 WIN_MENU_HINT ("win-menu", OptionCategories.PLATFORM_WIN, () -> { 293 setOptionValue("win-menu", true); 294 }), 295 296 WIN_MENU_GROUP ("win-menu-group", OptionCategories.PLATFORM_WIN), 297 298 WIN_SHORTCUT_HINT ("win-shortcut", 299 OptionCategories.PLATFORM_WIN, () -> { 300 setOptionValue("win-shortcut", true); 301 }), 302 303 WIN_PER_USER_INSTALLATION ("win-per-user-install", 304 OptionCategories.PLATFORM_WIN, () -> { 305 setOptionValue("win-per-user-install", false); 306 }), 307 308 WIN_DIR_CHOOSER ("win-dir-chooser", 309 OptionCategories.PLATFORM_WIN, () -> { 310 setOptionValue("win-dir-chooser", true); 311 }), 312 313 WIN_UPGRADE_UUID ("win-upgrade-uuid", 314 OptionCategories.PLATFORM_WIN), 315 316 WIN_CONSOLE_HINT ("win-console", OptionCategories.PLATFORM_WIN, () -> { 317 setOptionValue("win-console", true); 318 }), 319 320 LINUX_BUNDLE_NAME ("linux-bundle-name", 321 OptionCategories.PLATFORM_LINUX), 322 323 LINUX_DEB_MAINTAINER ("linux-deb-maintainer", 324 OptionCategories.PLATFORM_LINUX), 325 326 LINUX_DEB_COPYRIGHT_FILE ("linux-deb-copyright-file", 327 OptionCategories.PLATFORM_LINUX), 328 329 LINUX_CATEGORY ("linux-app-category", 330 OptionCategories.PLATFORM_LINUX), 331 332 LINUX_RPM_LICENSE_TYPE ("linux-rpm-license-type", 333 OptionCategories.PLATFORM_LINUX), 334 335 LINUX_PACKAGE_DEPENDENCIES ("linux-package-deps", 336 OptionCategories.PLATFORM_LINUX), 337 338 LINUX_MENU_GROUP ("linux-menu-group", OptionCategories.PLATFORM_LINUX); 339 340 private final String id; 341 private final String shortId; 342 private final OptionCategories category; 343 private final ArgAction action; 344 private static Arguments argContext; 345 346 private CLIOptions(String id, OptionCategories category) { 347 this(id, null, category, null); 348 } 349 350 private CLIOptions(String id, String shortId, 351 OptionCategories category) { 352 this(id, shortId, category, null); 353 } 354 355 private CLIOptions(String id, 356 OptionCategories category, ArgAction action) { 357 this(id, null, category, action); 358 } 359 360 private CLIOptions(String id, String shortId, 361 OptionCategories category, ArgAction action) { 362 this.id = id; 363 this.shortId = shortId; 364 this.action = action; 365 this.category = category; 366 } 367 368 static void setContext(Arguments context) { 369 argContext = context; 370 } 371 372 public static Arguments context() { 373 if (argContext != null) { 374 return argContext; 375 } else { 376 throw new RuntimeException("Argument context is not set."); 377 } 378 } 379 380 public String getId() { 381 return this.id; 382 } 383 384 String getIdWithPrefix() { 385 return "--" + this.id; 386 } 387 388 String getShortIdWithPrefix() { 389 return this.shortId == null ? null : "-" + this.shortId; 390 } 391 392 void execute() { 393 if (action != null) { 394 action.execute(); 395 } else { 396 defaultAction(); 397 } 398 } 399 400 private void defaultAction() { 401 context().deployParams.addBundleArgument(id, popArg()); 402 } 403 404 private static void setOptionValue(String option, Object value) { 405 context().deployParams.addBundleArgument(option, value); 406 } 407 408 private static String popArg() { 409 nextArg(); 410 return (context().pos >= context().argList.size()) ? 411 "" : context().argList.get(context().pos); 412 } 413 414 private static String getArg() { 415 return (context().pos >= context().argList.size()) ? 416 "" : context().argList.get(context().pos); 417 } 418 419 private static void nextArg() { 420 context().pos++; 421 } 422 423 private static boolean hasNextArg() { 424 return context().pos < context().argList.size(); 425 } 426 } 427 428 enum OptionCategories { 429 MODULAR, 430 PROPERTY, 431 PLATFORM_MAC, 432 PLATFORM_WIN, 433 PLATFORM_LINUX; 434 } 435 436 public boolean processArguments() { 437 try { 438 439 // init context of arguments 440 CLIOptions.setContext(this); 441 442 // parse cmd line 443 String arg; 444 CLIOptions option; 445 for (; CLIOptions.hasNextArg(); CLIOptions.nextArg()) { 446 arg = CLIOptions.getArg(); 447 if ((option = toCLIOption(arg)) != null) { 448 // found a CLI option 449 allOptions.add(option); 450 option.execute(); 451 } else { 452 throw new PackagerException("ERR_InvalidOption", arg); 453 } 454 } 455 456 if (hasMainJar && !hasMainClass) { 457 // try to get main-class from manifest 458 String mainClass = getMainClassFromManifest(); 459 if (mainClass != null) { 460 CLIOptions.setOptionValue( 461 CLIOptions.APPCLASS.getId(), mainClass); 462 } 463 } 464 465 // display error for arguments that are not supported 466 // for current configuration. 467 468 validateArguments(); 469 470 addResources(deployParams, input, mainJarPath); 471 472 List<Map<String, ? super Object>> launchersAsMap = 473 new ArrayList<>(); 474 475 for (AddLauncherArguments sl : addLaunchers) { 476 launchersAsMap.add(sl.getLauncherMap()); 477 } 478 479 deployParams.addBundleArgument( 480 StandardBundlerParam.ADD_LAUNCHERS.getID(), 481 launchersAsMap); 482 483 // at this point deployParams should be already configured 484 485 deployParams.validate(); 486 487 BundleParams bp = deployParams.getBundleParams(); 488 489 // validate name(s) 490 ArrayList<String> usedNames = new ArrayList<String>(); 491 usedNames.add(bp.getName()); // add main app name 492 493 for (AddLauncherArguments sl : addLaunchers) { 494 Map<String, ? super Object> slMap = sl.getLauncherMap(); 495 String slName = 496 (String) slMap.get(Arguments.CLIOptions.NAME.getId()); 497 if (slName == null) { 498 throw new PackagerException("ERR_NoAddLauncherName"); 499 } 500 // same rules apply to additional launcher names as app name 501 DeployParams.validateName(slName, false); 502 for (String usedName : usedNames) { 503 if (slName.equals(usedName)) { 504 throw new PackagerException("ERR_NoUniqueName"); 505 } 506 } 507 usedNames.add(slName); 508 } 509 if (runtimeInstaller && bp.getName() == null) { 510 throw new PackagerException("ERR_NoJreInstallerName"); 511 } 512 513 generateBundle(bp.getBundleParamsAsMap()); 514 return true; 515 } catch (Exception e) { 516 if (Log.isVerbose()) { 517 Log.verbose(e); 518 } else { 519 String msg1 = e.getMessage(); 520 Log.error(msg1); 521 if (e.getCause() != null && e.getCause() != e) { 522 String msg2 = e.getCause().getMessage(); 523 if (!msg1.contains(msg2)) { 524 Log.error(msg2); 525 } 526 } 527 } 528 return false; 529 } 530 } 531 532 private void validateArguments() throws PackagerException { 533 String packageType = deployParams.getTargetFormat(); 534 String ptype = (packageType != null) ? packageType : "default"; 535 boolean imageOnly = (packageType == null); 536 boolean hasAppImage = allOptions.contains( 537 CLIOptions.PREDEFINED_APP_IMAGE); 538 boolean hasRuntime = allOptions.contains( 539 CLIOptions.PREDEFINED_RUNTIME_IMAGE); 540 boolean installerOnly = !imageOnly && hasAppImage; 541 runtimeInstaller = !imageOnly && hasRuntime && !hasAppImage && 542 !hasMainModule && !hasMainJar; 543 544 for (CLIOptions option : allOptions) { 545 if (!ValidOptions.checkIfSupported(option)) { 546 // includes option valid only on different platform 547 throw new PackagerException("ERR_UnsupportedOption", 548 option.getIdWithPrefix()); 549 } 550 if (imageOnly) { 551 if (!ValidOptions.checkIfImageSupported(option)) { 552 throw new PackagerException("ERR_InvalidTypeOption", 553 option.getIdWithPrefix(), packageType); 554 } 555 } else if (installerOnly || runtimeInstaller) { 556 if (!ValidOptions.checkIfInstallerSupported(option)) { 557 if (runtimeInstaller) { 558 throw new PackagerException("ERR_NoInstallerEntryPoint", 559 option.getIdWithPrefix()); 560 } else { 561 throw new PackagerException("ERR_InvalidTypeOption", 562 option.getIdWithPrefix(), ptype); 563 } 564 } 565 } 566 } 567 if (installerOnly && hasRuntime) { 568 // note --runtime-image is only for image or runtime installer. 569 throw new PackagerException("ERR_InvalidTypeOption", 570 CLIOptions.PREDEFINED_RUNTIME_IMAGE.getIdWithPrefix(), 571 ptype); 572 } 573 if (hasMainJar && hasMainModule) { 574 throw new PackagerException("ERR_BothMainJarAndModule"); 575 } 576 if (imageOnly && !hasMainJar && !hasMainModule) { 577 throw new PackagerException("ERR_NoEntryPoint"); 578 } 579 } 580 581 private jdk.jpackage.internal.Bundler getPlatformBundler() { 582 String bundleType = (packageType == null ? "IMAGE" : "INSTALLER"); 583 584 for (jdk.jpackage.internal.Bundler bundler : 585 Bundlers.createBundlersInstance().getBundlers(bundleType)) { 586 if ((packageType == null) || 587 packageType.equalsIgnoreCase(bundler.getID())) { 588 if (bundler.supported(runtimeInstaller)) { 589 return bundler; 590 } 591 } 592 } 593 return null; 594 } 595 596 private void generateBundle(Map<String,? super Object> params) 597 throws PackagerException { 598 599 boolean bundleCreated = false; 600 601 // the temp-root needs to be fetched from the params early, 602 // to prevent each copy of the params (such as may be used for 603 // additional launchers) from generating a separate temp-root when 604 // the default is used (the default is a new temp directory) 605 // The bundler.cleanup() below would not otherwise be able to 606 // clean these extra (and unneeded) temp directories. 607 StandardBundlerParam.TEMP_ROOT.fetchFrom(params); 608 609 // determine what bundler to run 610 jdk.jpackage.internal.Bundler bundler = getPlatformBundler(); 611 612 if (bundler == null) { 613 throw new PackagerException("ERR_InvalidInstallerType", 614 deployParams.getTargetFormat()); 615 } 616 617 Map<String, ? super Object> localParams = new HashMap<>(params); 618 try { 619 bundler.validate(localParams); 620 File result = bundler.execute(localParams, deployParams.outdir); 621 if (result == null) { 622 throw new PackagerException("MSG_BundlerFailed", 623 bundler.getID(), bundler.getName()); 624 } 625 Log.verbose(MessageFormat.format( 626 I18N.getString("message.bundle-created"), 627 bundler.getName())); 628 } catch (ConfigException e) { 629 Log.verbose(e); 630 if (e.getAdvice() != null) { 631 throw new PackagerException(e, "MSG_BundlerConfigException", 632 bundler.getName(), e.getMessage(), e.getAdvice()); 633 } else { 634 throw new PackagerException(e, 635 "MSG_BundlerConfigExceptionNoAdvice", 636 bundler.getName(), e.getMessage()); 637 } 638 } catch (RuntimeException re) { 639 Log.verbose(re); 640 throw new PackagerException(re, "MSG_BundlerRuntimeException", 641 bundler.getName(), re.toString()); 642 } finally { 643 if (userProvidedBuildRoot) { 644 Log.verbose(MessageFormat.format( 645 I18N.getString("message.debug-working-directory"), 646 (new File(buildRoot)).getAbsolutePath())); 647 } else { 648 // always clean up the temporary directory created 649 // when --temp-root option not used. 650 bundler.cleanup(localParams); 651 } 652 } 653 } 654 655 private void addResources(DeployParams deployParams, 656 String inputdir, String mainJar) throws PackagerException { 657 658 if (inputdir == null || inputdir.isEmpty()) { 659 return; 660 } 661 662 File baseDir = new File(inputdir); 663 664 if (!baseDir.isDirectory()) { 665 throw new PackagerException("ERR_InputNotDirectory", inputdir); 666 } 667 if (!baseDir.canRead()) { 668 throw new PackagerException("ERR_CannotReadInputDir", inputdir); 669 } 670 671 List<String> fileNames; 672 fileNames = new ArrayList<>(); 673 try (Stream<Path> files = Files.list(baseDir.toPath())) { 674 files.forEach(file -> fileNames.add( 675 file.getFileName().toString())); 676 } catch (IOException e) { 677 Log.error("Unable to add resources: " + e.getMessage()); 678 } 679 fileNames.forEach(file -> deployParams.addResource(baseDir, file)); 680 681 deployParams.setClasspath(mainJar); 682 } 683 684 static CLIOptions toCLIOption(String arg) { 685 CLIOptions option; 686 if ((option = argIds.get(arg)) == null) { 687 option = argShortIds.get(arg); 688 } 689 return option; 690 } 691 692 static Map<String, String> getPropertiesFromFile(String filename) { 693 Map<String, String> map = new HashMap<>(); 694 // load properties file 695 File file = new File(filename); 696 Properties properties = new Properties(); 697 try (FileInputStream in = new FileInputStream(file)) { 698 properties.load(in); 699 } catch (IOException e) { 700 Log.error("Exception: " + e.getMessage()); 701 } 702 703 for (final String name: properties.stringPropertyNames()) { 704 map.put(name, properties.getProperty(name)); 705 } 706 707 return map; 708 } 709 710 static List<String> getArgumentList(String inputString) { 711 List<String> list = new ArrayList<>(); 712 if (inputString == null || inputString.isEmpty()) { 713 return list; 714 } 715 716 // The "pattern" regexp attempts to abide to the rule that 717 // strings are delimited by whitespace unless surrounded by 718 // quotes, then it is anything (including spaces) in the quotes. 719 Matcher m = pattern.matcher(inputString); 720 while (m.find()) { 721 String s = inputString.substring(m.start(), m.end()).trim(); 722 // Ensure we do not have an empty string. trim() will take care of 723 // whitespace only strings. The regex preserves quotes and escaped 724 // chars so we need to clean them before adding to the List 725 if (!s.isEmpty()) { 726 list.add(unquoteIfNeeded(s)); 727 } 728 } 729 return list; 730 } 731 732 private static String unquoteIfNeeded(String in) { 733 if (in == null) { 734 return null; 735 } 736 737 if (in.isEmpty()) { 738 return ""; 739 } 740 741 // Use code points to preserve non-ASCII chars 742 StringBuilder sb = new StringBuilder(); 743 int codeLen = in.codePointCount(0, in.length()); 744 int quoteChar = -1; 745 for (int i = 0; i < codeLen; i++) { 746 int code = in.codePointAt(i); 747 if (code == '"' || code == '\'') { 748 // If quote is escaped make sure to copy it 749 if (i > 0 && in.codePointAt(i - 1) == '\\') { 750 sb.deleteCharAt(sb.length() - 1); 751 sb.appendCodePoint(code); 752 continue; 753 } 754 if (quoteChar != -1) { 755 if (code == quoteChar) { 756 // close quote, skip char 757 quoteChar = -1; 758 } else { 759 sb.appendCodePoint(code); 760 } 761 } else { 762 // opening quote, skip char 763 quoteChar = code; 764 } 765 } else { 766 sb.appendCodePoint(code); 767 } 768 } 769 return sb.toString(); 770 } 771 772 private String getMainClassFromManifest() { 773 if (mainJarPath == null || 774 input == null ) { 775 return null; 776 } 777 778 JarFile jf; 779 try { 780 File file = new File(input, mainJarPath); 781 if (!file.exists()) { 782 return null; 783 } 784 jf = new JarFile(file); 785 Manifest m = jf.getManifest(); 786 Attributes attrs = (m != null) ? m.getMainAttributes() : null; 787 if (attrs != null) { 788 return attrs.getValue(Attributes.Name.MAIN_CLASS); 789 } 790 } catch (IOException ignore) {} 791 return null; 792 } 793 794 }