1 /* 2 * Copyright (c) 2012, 2014, 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 com.sun.tools.jdeps; 26 27 import com.sun.tools.classfile.AccessFlags; 28 import com.sun.tools.classfile.ClassFile; 29 import com.sun.tools.classfile.ConstantPoolException; 30 import com.sun.tools.classfile.Dependencies; 31 import com.sun.tools.classfile.Dependencies.ClassFileError; 32 import com.sun.tools.classfile.Dependency; 33 import com.sun.tools.classfile.Dependency.Location; 34 import static com.sun.tools.jdeps.Analyzer.Type.*; 35 import java.io.*; 36 import java.nio.file.DirectoryStream; 37 import java.nio.file.Files; 38 import java.nio.file.Path; 39 import java.nio.file.Paths; 40 import java.text.MessageFormat; 41 import java.util.*; 42 import java.util.regex.Pattern; 43 44 /** 45 * Implementation for the jdeps tool for static class dependency analysis. 46 */ 47 class JdepsTask { 48 static class BadArgs extends Exception { 49 static final long serialVersionUID = 8765093759964640721L; 50 BadArgs(String key, Object... args) { 51 super(JdepsTask.getMessage(key, args)); 52 this.key = key; 53 this.args = args; 54 } 55 56 BadArgs showUsage(boolean b) { 57 showUsage = b; 58 return this; 59 } 60 final String key; 61 final Object[] args; 62 boolean showUsage; 63 } 64 65 static abstract class Option { 66 Option(boolean hasArg, String... aliases) { 67 this.hasArg = hasArg; 68 this.aliases = aliases; 69 } 70 71 boolean isHidden() { 72 return false; 73 } 74 75 boolean matches(String opt) { 76 for (String a : aliases) { 77 if (a.equals(opt)) 78 return true; 79 if (hasArg && opt.startsWith(a + "=")) 80 return true; 81 } 82 return false; 83 } 84 85 boolean ignoreRest() { 86 return false; 87 } 88 89 abstract void process(JdepsTask task, String opt, String arg) throws BadArgs; 90 final boolean hasArg; 91 final String[] aliases; 92 } 93 94 static abstract class HiddenOption extends Option { 95 HiddenOption(boolean hasArg, String... aliases) { 96 super(hasArg, aliases); 97 } 98 99 boolean isHidden() { 100 return true; 101 } 102 } 103 104 static Option[] recognizedOptions = { 105 new Option(false, "-h", "-?", "-help") { 106 void process(JdepsTask task, String opt, String arg) { 107 task.options.help = true; 108 } 109 }, 110 new Option(true, "-dotoutput") { 111 void process(JdepsTask task, String opt, String arg) throws BadArgs { 112 Path p = Paths.get(arg); 113 if (Files.exists(p) && (!Files.isDirectory(p) || !Files.isWritable(p))) { 114 throw new BadArgs("err.invalid.path", arg); 115 } 116 task.options.dotOutputDir = arg; 117 } 118 }, 119 new Option(false, "-s", "-summary") { 120 void process(JdepsTask task, String opt, String arg) { 121 task.options.showSummary = true; 122 task.options.verbose = SUMMARY; 123 } 124 }, 125 new Option(false, "-v", "-verbose", 126 "-verbose:package", 127 "-verbose:class") { 128 void process(JdepsTask task, String opt, String arg) throws BadArgs { 129 switch (opt) { 130 case "-v": 131 case "-verbose": 132 task.options.verbose = VERBOSE; 133 task.options.filterSameArchive = false; 134 task.options.filterSamePackage = false; 135 break; 136 case "-verbose:package": 137 task.options.verbose = PACKAGE; 138 break; 139 case "-verbose:class": 140 task.options.verbose = CLASS; 141 break; 142 default: 143 throw new BadArgs("err.invalid.arg.for.option", opt); 144 } 145 } 146 }, 147 new Option(true, "-cp", "-classpath") { 148 void process(JdepsTask task, String opt, String arg) { 149 task.options.classpath = arg; 150 } 151 }, 152 new Option(true, "-p", "-package") { 153 void process(JdepsTask task, String opt, String arg) { 154 task.options.packageNames.add(arg); 155 } 156 }, 157 new Option(true, "-e", "-regex") { 158 void process(JdepsTask task, String opt, String arg) { 159 task.options.regex = arg; 160 } 161 }, 162 163 new Option(true, "-f", "-filter") { 164 void process(JdepsTask task, String opt, String arg) { 165 task.options.filterRegex = arg; 166 } 167 }, 168 new Option(false, "-filter:package", 169 "-filter:archive", 170 "-filter:none") { 171 void process(JdepsTask task, String opt, String arg) { 172 switch (opt) { 173 case "-filter:package": 174 task.options.filterSamePackage = true; 175 task.options.filterSameArchive = false; 176 break; 177 case "-filter:archive": 178 task.options.filterSameArchive = true; 179 task.options.filterSamePackage = false; 180 break; 181 case "-filter:none": 182 task.options.filterSameArchive = false; 183 task.options.filterSamePackage = false; 184 break; 185 } 186 } 187 }, 188 new Option(true, "-include") { 189 void process(JdepsTask task, String opt, String arg) throws BadArgs { 190 task.options.includePattern = Pattern.compile(arg); 191 } 192 }, 193 new Option(false, "-P", "-profile") { 194 void process(JdepsTask task, String opt, String arg) throws BadArgs { 195 task.options.showProfile = true; 196 task.options.showModule = false; 197 } 198 }, 199 new Option(false, "-M", "-module") { 200 void process(JdepsTask task, String opt, String arg) throws BadArgs { 201 task.options.showModule = true; 202 task.options.showProfile = false; 203 } 204 }, 205 new Option(false, "-apionly") { 206 void process(JdepsTask task, String opt, String arg) { 207 task.options.apiOnly = true; 208 } 209 }, 210 new Option(false, "-R", "-recursive") { 211 void process(JdepsTask task, String opt, String arg) { 212 task.options.depth = 0; 213 // turn off filtering 214 task.options.filterSameArchive = false; 215 task.options.filterSamePackage = false; 216 } 217 }, 218 new Option(false, "-jdkinternals") { 219 void process(JdepsTask task, String opt, String arg) { 220 task.options.findJDKInternals = true; 221 task.options.verbose = CLASS; 222 if (task.options.includePattern == null) { 223 task.options.includePattern = Pattern.compile(".*"); 224 } 225 } 226 }, 227 new HiddenOption(false, "-verify:access") { 228 void process(JdepsTask task, String opt, String arg) { 229 task.options.verifyAccess = true; 230 task.options.verbose = VERBOSE; 231 task.options.filterSameArchive = false; 232 task.options.filterSamePackage = false; 233 } 234 }, 235 new HiddenOption(true, "-mp") { 236 void process(JdepsTask task, String opt, String arg) throws BadArgs { 237 task.options.mpath = Paths.get(arg); 238 if (!Files.isDirectory(task.options.mpath)) { 239 throw new BadArgs("err.invalid.path", arg); 240 } 241 if (task.options.includePattern == null) { 242 task.options.includePattern = Pattern.compile(".*"); 243 } 244 } 245 }, 246 new Option(false, "-version") { 247 void process(JdepsTask task, String opt, String arg) { 248 task.options.version = true; 249 } 250 }, 251 new HiddenOption(false, "-fullversion") { 252 void process(JdepsTask task, String opt, String arg) { 253 task.options.fullVersion = true; 254 } 255 }, 256 new HiddenOption(false, "-showlabel") { 257 void process(JdepsTask task, String opt, String arg) { 258 task.options.showLabel = true; 259 } 260 }, 261 new HiddenOption(false, "-q", "-quiet") { 262 void process(JdepsTask task, String opt, String arg) { 263 task.options.nowarning = true; 264 } 265 }, 266 new HiddenOption(true, "-depth") { 267 void process(JdepsTask task, String opt, String arg) throws BadArgs { 268 try { 269 task.options.depth = Integer.parseInt(arg); 270 } catch (NumberFormatException e) { 271 throw new BadArgs("err.invalid.arg.for.option", opt); 272 } 273 } 274 }, 275 }; 276 277 private static final String PROGNAME = "jdeps"; 278 private final Options options = new Options(); 279 private final List<String> classes = new ArrayList<>(); 280 281 private PrintWriter log; 282 void setLog(PrintWriter out) { 283 log = out; 284 } 285 286 /** 287 * Result codes. 288 */ 289 static final int EXIT_OK = 0, // Completed with no errors. 290 EXIT_ERROR = 1, // Completed but reported errors. 291 EXIT_CMDERR = 2, // Bad command-line arguments 292 EXIT_SYSERR = 3, // System error or resource exhaustion. 293 EXIT_ABNORMAL = 4;// terminated abnormally 294 295 int run(String[] args) { 296 if (log == null) { 297 log = new PrintWriter(System.out); 298 } 299 try { 300 handleOptions(args); 301 if (options.help) { 302 showHelp(); 303 } 304 if (options.version || options.fullVersion) { 305 showVersion(options.fullVersion); 306 } 307 if (classes.isEmpty() && options.includePattern == null) { 308 if (options.help || options.version || options.fullVersion) { 309 return EXIT_OK; 310 } else { 311 showHelp(); 312 return EXIT_CMDERR; 313 } 314 } 315 if (options.regex != null && options.packageNames.size() > 0) { 316 showHelp(); 317 return EXIT_CMDERR; 318 } 319 if ((options.findJDKInternals || options.verifyAccess) && 320 (options.regex != null || options.packageNames.size() > 0 || options.showSummary)) { 321 showHelp(); 322 return EXIT_CMDERR; 323 } 324 if (options.showSummary && options.verbose != SUMMARY) { 325 showHelp(); 326 return EXIT_CMDERR; 327 } 328 329 boolean ok = run(); 330 return ok ? EXIT_OK : EXIT_ERROR; 331 } catch (BadArgs e) { 332 reportError(e.key, e.args); 333 if (e.showUsage) { 334 log.println(getMessage("main.usage.summary", PROGNAME)); 335 } 336 return EXIT_CMDERR; 337 } catch (IOException e) { 338 return EXIT_ABNORMAL; 339 } finally { 340 log.flush(); 341 } 342 } 343 344 private final List<Archive> sourceLocations = new ArrayList<>(); 345 private final List<Archive> classpaths = new ArrayList<>(); 346 private final List<Archive> initialArchives = new ArrayList<>(); 347 private boolean run() throws IOException { 348 buildArchives(); 349 350 if (options.verifyAccess) { 351 return verifyModuleAccess(); 352 } else { 353 return analyzeDeps(); 354 } 355 } 356 357 private boolean analyzeDeps() throws IOException { 358 Analyzer analyzer = new Analyzer(options.verbose, new Analyzer.Filter() { 359 @Override 360 public boolean accepts(Location origin, Archive originArchive, 361 Location target, Archive targetArchive) 362 { 363 if (options.findJDKInternals) { 364 // accepts target that is JDK class but not exported 365 return isJDKModule(targetArchive) && 366 !((Module) targetArchive).isExported(target.getClassName()); 367 } else if (options.filterSameArchive) { 368 // accepts origin and target that from different archive 369 return originArchive != targetArchive; 370 } 371 return true; 372 } 373 }); 374 375 // parse classfiles and find all dependencies 376 findDependencies(options.apiOnly); 377 378 // analyze the dependencies 379 analyzer.run(sourceLocations); 380 381 // output result 382 if (options.dotOutputDir != null) { 383 Path dir = Paths.get(options.dotOutputDir); 384 Files.createDirectories(dir); 385 generateDotFiles(dir, analyzer); 386 } else { 387 printRawOutput(log, analyzer); 388 } 389 390 if (options.findJDKInternals && !options.nowarning) { 391 showReplacements(analyzer); 392 } 393 return true; 394 } 395 396 private boolean verifyModuleAccess() throws IOException { 397 // two passes 398 // 1. check API dependences where the types of dependences must be re-exported 399 // 2. check all dependences where types must be accessible 400 401 // pass 1 402 findDependencies(true /* api only */); 403 Analyzer analyzer = Analyzer.getExportedAPIsAnalyzer(); 404 boolean pass1 = analyzer.run(sourceLocations); 405 if (!pass1) { 406 System.out.println("ERROR: Failed API access verification"); 407 } 408 // pass 2 409 findDependencies(false); 410 analyzer = Analyzer.getModuleAccessAnalyzer(); 411 boolean pass2 = analyzer.run(sourceLocations); 412 if (!pass2) { 413 System.out.println("ERROR: Failed module access verification"); 414 } 415 if (pass1 & pass2) { 416 System.out.println("Access verification succeeded."); 417 } 418 return pass1 & pass2; 419 } 420 421 private void generateSummaryDotFile(Path dir, Analyzer analyzer) throws IOException { 422 // If verbose mode (-v or -verbose option), 423 // the summary.dot file shows package-level dependencies. 424 Analyzer.Type summaryType = 425 (options.verbose == PACKAGE || options.verbose == SUMMARY) ? SUMMARY : PACKAGE; 426 Path summary = dir.resolve("summary.dot"); 427 try (PrintWriter sw = new PrintWriter(Files.newOutputStream(summary)); 428 SummaryDotFile dotfile = new SummaryDotFile(sw, summaryType)) { 429 for (Archive archive : sourceLocations) { 430 if (!archive.isEmpty()) { 431 if (options.verbose == PACKAGE || options.verbose == SUMMARY) { 432 if (options.showLabel) { 433 // build labels listing package-level dependencies 434 analyzer.visitDependences(archive, dotfile.labelBuilder(), PACKAGE); 435 } 436 } 437 analyzer.visitDependences(archive, dotfile, summaryType); 438 } 439 } 440 } 441 } 442 443 private void generateDotFiles(Path dir, Analyzer analyzer) throws IOException { 444 // output individual .dot file for each archive 445 if (options.verbose != SUMMARY) { 446 for (Archive archive : sourceLocations) { 447 if (analyzer.hasDependences(archive)) { 448 Path dotfile = dir.resolve(archive.getName() + ".dot"); 449 try (PrintWriter pw = new PrintWriter(Files.newOutputStream(dotfile)); 450 DotFileFormatter formatter = new DotFileFormatter(pw, archive)) { 451 analyzer.visitDependences(archive, formatter); 452 } 453 } 454 } 455 } 456 // generate summary dot file 457 generateSummaryDotFile(dir, analyzer); 458 } 459 460 private void printRawOutput(PrintWriter writer, Analyzer analyzer) { 461 RawOutputFormatter depFormatter = new RawOutputFormatter(writer); 462 RawSummaryFormatter summaryFormatter = new RawSummaryFormatter(writer); 463 for (Archive archive : sourceLocations) { 464 if (!archive.isEmpty()) { 465 analyzer.visitDependences(archive, summaryFormatter, SUMMARY); 466 if (analyzer.hasDependences(archive) && options.verbose != SUMMARY) { 467 analyzer.visitDependences(archive, depFormatter); 468 } 469 } 470 } 471 } 472 473 private boolean isValidClassName(String name) { 474 if (!Character.isJavaIdentifierStart(name.charAt(0))) { 475 return false; 476 } 477 for (int i=1; i < name.length(); i++) { 478 char c = name.charAt(i); 479 if (c != '.' && !Character.isJavaIdentifierPart(c)) { 480 return false; 481 } 482 } 483 return true; 484 } 485 486 /* 487 * Dep Filter configured based on the input jdeps option 488 * 1. -p and -regex to match target dependencies 489 * 2. -filter:package to filter out same-package dependencies 490 * 491 * This filter is applied when jdeps parses the class files 492 * and filtered dependencies are not stored in the Analyzer. 493 * 494 * -filter:archive is applied later in the Analyzer as the 495 * containing archive of a target class may not be known until 496 * the entire archive 497 */ 498 class DependencyFilter implements Dependency.Filter { 499 final Dependency.Filter filter; 500 final Pattern filterPattern; 501 DependencyFilter() { 502 if (options.regex != null) { 503 this.filter = Dependencies.getRegexFilter(Pattern.compile(options.regex)); 504 } else if (options.packageNames.size() > 0) { 505 this.filter = Dependencies.getPackageFilter(options.packageNames, false); 506 } else { 507 this.filter = null; 508 } 509 510 this.filterPattern = 511 options.filterRegex != null ? Pattern.compile(options.filterRegex) : null; 512 } 513 @Override 514 public boolean accepts(Dependency d) { 515 if (d.getOrigin().equals(d.getTarget())) { 516 return false; 517 } 518 String pn = d.getTarget().getPackageName(); 519 if (options.filterSamePackage && d.getOrigin().getPackageName().equals(pn)) { 520 return false; 521 } 522 523 if (filterPattern != null && filterPattern.matcher(pn).matches()) { 524 return false; 525 } 526 return filter != null ? filter.accepts(d) : true; 527 } 528 } 529 530 /** 531 * Tests if the given class matches the pattern given in the -include option 532 */ 533 private boolean matches(String classname) { 534 if (options.includePattern != null) { 535 return options.includePattern.matcher(classname.replace('/', '.')).matches(); 536 } else { 537 return true; 538 } 539 } 540 541 private void buildArchives() throws IOException { 542 for (String s : classes) { 543 Path p = Paths.get(s); 544 if (Files.exists(p)) { 545 initialArchives.add(Archive.getInstance(p)); 546 } 547 } 548 sourceLocations.addAll(initialArchives); 549 550 classpaths.addAll(getClassPathArchives(options.classpath)); 551 if (options.includePattern != null) { 552 initialArchives.addAll(classpaths); 553 } 554 classpaths.addAll(PlatformClassPath.getModules(options.mpath)); 555 if (options.mpath != null) { 556 initialArchives.addAll(PlatformClassPath.getModules(options.mpath)); 557 } else { 558 classpaths.addAll(PlatformClassPath.getJarFiles()); 559 } 560 // add all classpath archives to the source locations for reporting 561 sourceLocations.addAll(classpaths); 562 } 563 564 private void findDependencies(boolean apiOnly) throws IOException { 565 Dependency.Finder finder = 566 apiOnly ? Dependencies.getAPIFinder(AccessFlags.ACC_PROTECTED) 567 : Dependencies.getClassDependencyFinder(); 568 Dependency.Filter filter = new DependencyFilter(); 569 570 Deque<String> roots = new LinkedList<>(); 571 for (String s : classes) { 572 Path p = Paths.get(s); 573 if (!Files.exists(p)) { 574 if (isValidClassName(s)) { 575 roots.add(s); 576 } else { 577 warning("warn.invalid.arg", s); 578 } 579 } 580 } 581 582 // Work queue of names of classfiles to be searched. 583 // Entries will be unique, and for classes that do not yet have 584 // dependencies in the results map. 585 Deque<String> deque = new LinkedList<>(); 586 Set<String> doneClasses = new HashSet<>(); 587 588 // get the immediate dependencies of the input files 589 for (Archive a : initialArchives) { 590 for (ClassFile cf : a.reader().getClassFiles()) { 591 String classFileName; 592 try { 593 classFileName = cf.getName(); 594 } catch (ConstantPoolException e) { 595 throw new ClassFileError(e); 596 } 597 598 // tests if this class matches the -include or -apiOnly option if specified 599 if (!matches(classFileName) || (apiOnly && !cf.access_flags.is(AccessFlags.ACC_PUBLIC))) { 600 continue; 601 } 602 603 if (!doneClasses.contains(classFileName)) { 604 doneClasses.add(classFileName); 605 } 606 607 for (Dependency d : finder.findDependencies(cf)) { 608 if (filter.accepts(d)) { 609 String cn = d.getTarget().getName(); 610 if (!doneClasses.contains(cn) && !deque.contains(cn)) { 611 deque.add(cn); 612 } 613 a.addClass(d.getOrigin(), d.getTarget()); 614 } 615 } 616 for (String name : a.reader().skippedEntries()) { 617 warning("warn.skipped.entry", name, a.getPathName()); 618 } 619 } 620 } 621 622 // add Archive for looking up classes from the classpath 623 // for transitive dependency analysis 624 Deque<String> unresolved = roots; 625 int depth = options.depth > 0 ? options.depth : Integer.MAX_VALUE; 626 do { 627 String name; 628 while ((name = unresolved.poll()) != null) { 629 if (doneClasses.contains(name)) { 630 continue; 631 } 632 ClassFile cf = null; 633 for (Archive a : classpaths) { 634 cf = a.reader().getClassFile(name); 635 if (cf != null) { 636 String classFileName; 637 try { 638 classFileName = cf.getName(); 639 } catch (ConstantPoolException e) { 640 throw new ClassFileError(e); 641 } 642 if (!doneClasses.contains(classFileName)) { 643 // if name is a fully-qualified class name specified 644 // from command-line, this class might already be parsed 645 doneClasses.add(classFileName); 646 for (Dependency d : finder.findDependencies(cf)) { 647 if (depth == 0) { 648 // ignore the dependency 649 a.addClass(d.getOrigin()); 650 break; 651 } else if (filter.accepts(d)) { 652 a.addClass(d.getOrigin(), d.getTarget()); 653 String cn = d.getTarget().getName(); 654 if (!doneClasses.contains(cn) && !deque.contains(cn)) { 655 deque.add(cn); 656 } 657 } 658 } 659 } 660 break; 661 } 662 } 663 if (cf == null) { 664 doneClasses.add(name); 665 } 666 } 667 unresolved = deque; 668 deque = new LinkedList<>(); 669 } while (!unresolved.isEmpty() && depth-- > 0); 670 } 671 672 public void handleOptions(String[] args) throws BadArgs { 673 // process options 674 for (int i=0; i < args.length; i++) { 675 if (args[i].charAt(0) == '-') { 676 String name = args[i]; 677 Option option = getOption(name); 678 String param = null; 679 if (option.hasArg) { 680 if (name.startsWith("-") && name.indexOf('=') > 0) { 681 param = name.substring(name.indexOf('=') + 1, name.length()); 682 } else if (i + 1 < args.length) { 683 param = args[++i]; 684 } 685 if (param == null || param.isEmpty() || param.charAt(0) == '-') { 686 throw new BadArgs("err.missing.arg", name).showUsage(true); 687 } 688 } 689 option.process(this, name, param); 690 if (option.ignoreRest()) { 691 i = args.length; 692 } 693 } else { 694 // process rest of the input arguments 695 for (; i < args.length; i++) { 696 String name = args[i]; 697 if (name.charAt(0) == '-') { 698 throw new BadArgs("err.option.after.class", name).showUsage(true); 699 } 700 classes.add(name); 701 } 702 } 703 } 704 } 705 706 private Option getOption(String name) throws BadArgs { 707 for (Option o : recognizedOptions) { 708 if (o.matches(name)) { 709 return o; 710 } 711 } 712 throw new BadArgs("err.unknown.option", name).showUsage(true); 713 } 714 715 private void reportError(String key, Object... args) { 716 log.println(getMessage("error.prefix") + " " + getMessage(key, args)); 717 } 718 719 private void warning(String key, Object... args) { 720 log.println(getMessage("warn.prefix") + " " + getMessage(key, args)); 721 } 722 723 private void showHelp() { 724 log.println(getMessage("main.usage", PROGNAME)); 725 for (Option o : recognizedOptions) { 726 String name = o.aliases[0].substring(1); // there must always be at least one name 727 name = name.charAt(0) == '-' ? name.substring(1) : name; 728 if (o.isHidden() || name.equals("h") || name.startsWith("filter:")) { 729 continue; 730 } 731 log.println(getMessage("main.opt." + name)); 732 } 733 } 734 735 private void showVersion(boolean full) { 736 log.println(version(full ? "full" : "release")); 737 } 738 739 private String version(String key) { 740 // key=version: mm.nn.oo[-milestone] 741 // key=full: mm.mm.oo[-milestone]-build 742 if (ResourceBundleHelper.versionRB == null) { 743 return System.getProperty("java.version"); 744 } 745 try { 746 return ResourceBundleHelper.versionRB.getString(key); 747 } catch (MissingResourceException e) { 748 return getMessage("version.unknown", System.getProperty("java.version")); 749 } 750 } 751 752 static String getMessage(String key, Object... args) { 753 try { 754 return MessageFormat.format(ResourceBundleHelper.bundle.getString(key), args); 755 } catch (MissingResourceException e) { 756 throw new InternalError("Missing message: " + key); 757 } 758 } 759 760 private static class Options { 761 boolean help; 762 boolean version; 763 boolean fullVersion; 764 boolean showProfile; 765 boolean showModule; 766 boolean showSummary; 767 boolean apiOnly; 768 boolean showLabel; 769 boolean findJDKInternals; 770 boolean nowarning; 771 // default is to show package-level dependencies 772 // and filter references from same package 773 Analyzer.Type verbose = PACKAGE; 774 boolean filterSamePackage = true; 775 boolean filterSameArchive = false; 776 String filterRegex; 777 String dotOutputDir; 778 String classpath = ""; 779 int depth = 1; 780 Set<String> packageNames = new HashSet<>(); 781 String regex; // apply to the dependences 782 Pattern includePattern; // apply to classes 783 // module boundary access check 784 boolean verifyAccess; 785 Path mpath; 786 } 787 private static class ResourceBundleHelper { 788 static final ResourceBundle versionRB; 789 static final ResourceBundle bundle; 790 static final ResourceBundle jdkinternals; 791 792 static { 793 Locale locale = Locale.getDefault(); 794 try { 795 bundle = ResourceBundle.getBundle("com.sun.tools.jdeps.resources.jdeps", locale); 796 } catch (MissingResourceException e) { 797 throw new InternalError("Cannot find jdeps resource bundle for locale " + locale); 798 } 799 try { 800 versionRB = ResourceBundle.getBundle("com.sun.tools.jdeps.resources.version"); 801 } catch (MissingResourceException e) { 802 throw new InternalError("version.resource.missing"); 803 } 804 try { 805 jdkinternals = ResourceBundle.getBundle("com.sun.tools.jdeps.resources.jdkinternals"); 806 } catch (MissingResourceException e) { 807 throw new InternalError("Cannot find jdkinternals resource bundle"); 808 } 809 } 810 } 811 812 private List<Archive> getClassPathArchives(String paths) throws IOException { 813 List<Archive> result = new ArrayList<>(); 814 if (paths.isEmpty()) { 815 return result; 816 } 817 for (String p : paths.split(File.pathSeparator)) { 818 if (p.length() > 0) { 819 List<Path> files = new ArrayList<>(); 820 // wildcard to parse all JAR files e.g. -classpath dir/* 821 int i = p.lastIndexOf(".*"); 822 if (i > 0) { 823 Path dir = Paths.get(p.substring(0, i)); 824 try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir, "*.jar")) { 825 for (Path entry : stream) { 826 files.add(entry); 827 } 828 } 829 } else { 830 files.add(Paths.get(p)); 831 } 832 for (Path f : files) { 833 if (Files.exists(f)) { 834 result.add(Archive.getInstance(f)); 835 } 836 } 837 } 838 } 839 return result; 840 } 841 842 class RawOutputFormatter implements Analyzer.Visitor { 843 private final PrintWriter writer; 844 private String pkg = ""; 845 RawOutputFormatter(PrintWriter writer) { 846 this.writer = writer; 847 } 848 @Override 849 public void visitDependence(String origin, Archive originArchive, 850 String target, Archive targetArchive) { 851 String tag = toTag(target, targetArchive); 852 if (options.verbose == VERBOSE) { 853 writer.format(" %-50s -> %-50s %s%n", origin, target, tag); 854 } else { 855 if (!origin.equals(pkg)) { 856 pkg = origin; 857 writer.format(" %s (%s)%n", origin, originArchive.getName()); 858 } 859 writer.format(" -> %-50s %s%n", target, tag); 860 } 861 } 862 } 863 864 class RawSummaryFormatter implements Analyzer.Visitor { 865 private final PrintWriter writer; 866 RawSummaryFormatter(PrintWriter writer) { 867 this.writer = writer; 868 } 869 @Override 870 public void visitDependence(String origin, Archive originArchive, 871 String target, Archive targetArchive) { 872 String targetName = targetArchive.getPathName(); 873 if (options.showModule && isJDKModule(targetArchive)) { 874 targetName = ((Module)targetArchive).name(); 875 } 876 writer.format("%s -> %s", originArchive.getName(), targetName); 877 if (options.showProfile && isJDKModule(targetArchive)) { 878 writer.format(" (%s)", target); 879 } 880 writer.format("%n"); 881 } 882 } 883 884 class DotFileFormatter implements Analyzer.Visitor, AutoCloseable { 885 private final PrintWriter writer; 886 private final String name; 887 DotFileFormatter(PrintWriter writer, Archive archive) { 888 this.writer = writer; 889 this.name = archive.getName(); 890 writer.format("digraph \"%s\" {%n", name); 891 writer.format(" // Path: %s%n", archive.getPathName()); 892 } 893 894 @Override 895 public void close() { 896 writer.println("}"); 897 } 898 899 @Override 900 public void visitDependence(String origin, Archive originArchive, 901 String target, Archive targetArchive) { 902 String tag = toTag(target, targetArchive); 903 writer.format(" %-50s -> \"%s\";%n", 904 String.format("\"%s\"", origin), 905 tag.isEmpty() ? target 906 : String.format("%s (%s)", target, tag)); 907 } 908 } 909 910 class SummaryDotFile implements Analyzer.Visitor, AutoCloseable { 911 private final PrintWriter writer; 912 private final Analyzer.Type type; 913 private final Map<Archive, Map<Archive,StringBuilder>> edges = new HashMap<>(); 914 SummaryDotFile(PrintWriter writer, Analyzer.Type type) { 915 this.writer = writer; 916 this.type = type; 917 writer.format("digraph \"summary\" {%n"); 918 } 919 920 @Override 921 public void close() { 922 writer.println("}"); 923 } 924 925 @Override 926 public void visitDependence(String origin, Archive originArchive, 927 String target, Archive targetArchive) { 928 String targetName = type == PACKAGE ? target : targetArchive.getName(); 929 if (isJDKModule(targetArchive)) { 930 Module m = (Module)targetArchive; 931 String n = showProfileOrModule(m); 932 if (!n.isEmpty()) { 933 targetName += " (" + n + ")"; 934 } 935 } else if (type == PACKAGE) { 936 targetName += " (" + targetArchive.getName() + ")"; 937 } 938 String label = getLabel(originArchive, targetArchive); 939 writer.format(" %-50s -> \"%s\"%s;%n", 940 String.format("\"%s\"", origin), targetName, label); 941 } 942 943 String getLabel(Archive origin, Archive target) { 944 if (edges.isEmpty()) 945 return ""; 946 947 StringBuilder label = edges.get(origin).get(target); 948 return label == null ? "" : String.format(" [label=\"%s\",fontsize=9]", label.toString()); 949 } 950 951 Analyzer.Visitor labelBuilder() { 952 // show the package-level dependencies as labels in the dot graph 953 return new Analyzer.Visitor() { 954 @Override 955 public void visitDependence(String origin, Archive originArchive, String target, Archive targetArchive) { 956 edges.putIfAbsent(originArchive, new HashMap<>()); 957 edges.get(originArchive).putIfAbsent(targetArchive, new StringBuilder()); 958 StringBuilder sb = edges.get(originArchive).get(targetArchive); 959 String tag = toTag(target, targetArchive); 960 addLabel(sb, origin, target, tag); 961 } 962 963 void addLabel(StringBuilder label, String origin, String target, String tag) { 964 label.append(origin).append(" -> ").append(target); 965 if (!tag.isEmpty()) { 966 label.append(" (" + tag + ")"); 967 } 968 label.append("\\n"); 969 } 970 }; 971 } 972 } 973 974 /** 975 * Test if the given archive is part of the JDK 976 */ 977 private boolean isJDKModule(Archive archive) { 978 return Module.class.isInstance(archive); 979 } 980 981 /** 982 * If the given archive is JDK archive, this method returns the profile name 983 * only if -profile option is specified; it accesses a private JDK API and 984 * the returned value will have "JDK internal API" prefix 985 * 986 * For non-JDK archives, this method returns the file name of the archive. 987 */ 988 private String toTag(String name, Archive source) { 989 if (!isJDKModule(source)) { 990 return source.getName(); 991 } 992 993 Module module = (Module)source; 994 boolean isExported = false; 995 if (options.verbose == CLASS || options.verbose == VERBOSE) { 996 isExported = module.isExported(name); 997 } else { 998 isExported = module.isExportedPackage(name); 999 } 1000 if (isExported) { 1001 // exported API 1002 return showProfileOrModule(module); 1003 } else { 1004 return "JDK internal API (" + source.getName() + ")"; 1005 } 1006 } 1007 1008 private String showProfileOrModule(Module m) { 1009 String tag = ""; 1010 if (options.showProfile) { 1011 Profile p = Profile.getProfile(m); 1012 if (p != null) { 1013 tag = p.profileName(); 1014 } 1015 } else if (options.showModule) { 1016 tag = m.name(); 1017 } 1018 return tag; 1019 } 1020 1021 private Profile getProfile(String name) { 1022 String pn = name; 1023 if (options.verbose == CLASS || options.verbose == VERBOSE) { 1024 int i = name.lastIndexOf('.'); 1025 pn = i > 0 ? name.substring(0, i) : ""; 1026 } 1027 return Profile.getProfile(pn); 1028 } 1029 1030 /** 1031 * Returns the recommended replacement API for the given classname; 1032 * or return null if replacement API is not known. 1033 */ 1034 private String replacementFor(String cn) { 1035 String name = cn; 1036 String value = null; 1037 while (value == null && name != null) { 1038 try { 1039 value = ResourceBundleHelper.jdkinternals.getString(name); 1040 } catch (MissingResourceException e) { 1041 // go up one subpackage level 1042 int i = name.lastIndexOf('.'); 1043 name = i > 0 ? name.substring(0, i) : null; 1044 } 1045 } 1046 return value; 1047 }; 1048 1049 private void showReplacements(Analyzer analyzer) { 1050 Map<String,String> jdkinternals = new TreeMap<>(); 1051 boolean useInternals = false; 1052 for (Archive source : sourceLocations) { 1053 useInternals = useInternals || analyzer.hasDependences(source); 1054 for (String cn : analyzer.dependences(source)) { 1055 String repl = replacementFor(cn); 1056 if (repl != null) { 1057 jdkinternals.putIfAbsent(cn, repl); 1058 } 1059 } 1060 } 1061 if (useInternals) { 1062 log.println(); 1063 warning("warn.replace.useJDKInternals", getMessage("jdeps.wiki.url")); 1064 } 1065 if (!jdkinternals.isEmpty()) { 1066 log.println(); 1067 log.format("%-40s %s%n", "JDK Internal API", "Suggested Replacement"); 1068 log.format("%-40s %s%n", "----------------", "---------------------"); 1069 for (Map.Entry<String,String> e : jdkinternals.entrySet()) { 1070 log.format("%-40s %s%n", e.getKey(), e.getValue()); 1071 } 1072 } 1073 1074 } 1075 }