001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.data.validation; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.GraphicsEnvironment; 007import java.io.File; 008import java.io.FileNotFoundException; 009import java.io.IOException; 010import java.nio.charset.StandardCharsets; 011import java.nio.file.Files; 012import java.nio.file.Path; 013import java.nio.file.Paths; 014import java.util.ArrayList; 015import java.util.Arrays; 016import java.util.Collection; 017import java.util.Collections; 018import java.util.EnumMap; 019import java.util.Enumeration; 020import java.util.HashMap; 021import java.util.Iterator; 022import java.util.List; 023import java.util.Map; 024import java.util.Map.Entry; 025import java.util.SortedMap; 026import java.util.TreeMap; 027import java.util.TreeSet; 028import java.util.function.Predicate; 029import java.util.regex.Pattern; 030import java.util.stream.Collectors; 031 032import javax.swing.JOptionPane; 033import javax.swing.JTree; 034import javax.swing.tree.DefaultMutableTreeNode; 035import javax.swing.tree.TreeModel; 036import javax.swing.tree.TreeNode; 037 038import org.openstreetmap.josm.data.preferences.sources.ValidatorPrefHelper; 039import org.openstreetmap.josm.data.projection.ProjectionRegistry; 040import org.openstreetmap.josm.data.validation.tests.Addresses; 041import org.openstreetmap.josm.data.validation.tests.ApiCapabilitiesTest; 042import org.openstreetmap.josm.data.validation.tests.BarriersEntrances; 043import org.openstreetmap.josm.data.validation.tests.Coastlines; 044import org.openstreetmap.josm.data.validation.tests.ConditionalKeys; 045import org.openstreetmap.josm.data.validation.tests.CrossingWays; 046import org.openstreetmap.josm.data.validation.tests.DuplicateNode; 047import org.openstreetmap.josm.data.validation.tests.DuplicateRelation; 048import org.openstreetmap.josm.data.validation.tests.DuplicateWay; 049import org.openstreetmap.josm.data.validation.tests.DuplicatedWayNodes; 050import org.openstreetmap.josm.data.validation.tests.Highways; 051import org.openstreetmap.josm.data.validation.tests.InternetTags; 052import org.openstreetmap.josm.data.validation.tests.Lanes; 053import org.openstreetmap.josm.data.validation.tests.LongSegment; 054import org.openstreetmap.josm.data.validation.tests.MapCSSTagChecker; 055import org.openstreetmap.josm.data.validation.tests.MultipolygonTest; 056import org.openstreetmap.josm.data.validation.tests.NameMismatch; 057import org.openstreetmap.josm.data.validation.tests.OpeningHourTest; 058import org.openstreetmap.josm.data.validation.tests.OverlappingWays; 059import org.openstreetmap.josm.data.validation.tests.PowerLines; 060import org.openstreetmap.josm.data.validation.tests.PublicTransportRouteTest; 061import org.openstreetmap.josm.data.validation.tests.RelationChecker; 062import org.openstreetmap.josm.data.validation.tests.RightAngleBuildingTest; 063import org.openstreetmap.josm.data.validation.tests.SelfIntersectingWay; 064import org.openstreetmap.josm.data.validation.tests.SharpAngles; 065import org.openstreetmap.josm.data.validation.tests.SimilarNamedWays; 066import org.openstreetmap.josm.data.validation.tests.TagChecker; 067import org.openstreetmap.josm.data.validation.tests.TurnrestrictionTest; 068import org.openstreetmap.josm.data.validation.tests.UnclosedWays; 069import org.openstreetmap.josm.data.validation.tests.UnconnectedWays; 070import org.openstreetmap.josm.data.validation.tests.UntaggedNode; 071import org.openstreetmap.josm.data.validation.tests.UntaggedWay; 072import org.openstreetmap.josm.data.validation.tests.WayConnectedToArea; 073import org.openstreetmap.josm.data.validation.tests.WronglyOrderedWays; 074import org.openstreetmap.josm.gui.MainApplication; 075import org.openstreetmap.josm.gui.layer.ValidatorLayer; 076import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference; 077import org.openstreetmap.josm.gui.util.GuiHelper; 078import org.openstreetmap.josm.spi.preferences.Config; 079import org.openstreetmap.josm.tools.AlphanumComparator; 080import org.openstreetmap.josm.tools.Logging; 081import org.openstreetmap.josm.tools.Stopwatch; 082 083/** 084 * A OSM data validator. 085 * 086 * @author Francisco R. Santos <frsantos@gmail.com> 087 */ 088public final class OsmValidator { 089 090 private OsmValidator() { 091 // Hide default constructor for utilities classes 092 } 093 094 private static volatile ValidatorLayer errorLayer; 095 096 /** Grid detail, multiplier of east,north values for valuable cell sizing */ 097 private static double griddetail; 098 099 private static final SortedMap<String, String> ignoredErrors = new TreeMap<>(); 100 /** 101 * All registered tests 102 */ 103 private static final Collection<Class<? extends Test>> allTests = new ArrayList<>(); 104 private static final Map<String, Test> allTestsMap = new HashMap<>(); 105 106 /** 107 * All available tests in core 108 */ 109 @SuppressWarnings("unchecked") 110 private static final Class<Test>[] CORE_TEST_CLASSES = new Class[] {// NOPMD 111 /* FIXME - unique error numbers for tests aren't properly unique - ignoring will not work as expected */ 112 DuplicateNode.class, // ID 1 .. 99 113 OverlappingWays.class, // ID 101 .. 199 114 UntaggedNode.class, // ID 201 .. 299 115 UntaggedWay.class, // ID 301 .. 399 116 SelfIntersectingWay.class, // ID 401 .. 499 117 DuplicatedWayNodes.class, // ID 501 .. 599 118 CrossingWays.Ways.class, // ID 601 .. 699 119 CrossingWays.Boundaries.class, // ID 601 .. 699 120 CrossingWays.SelfCrossing.class, // ID 601 .. 699 121 SimilarNamedWays.class, // ID 701 .. 799 122 Coastlines.class, // ID 901 .. 999 123 WronglyOrderedWays.class, // ID 1001 .. 1099 124 UnclosedWays.class, // ID 1101 .. 1199 125 TagChecker.class, // ID 1201 .. 1299 126 UnconnectedWays.UnconnectedHighways.class, // ID 1301 .. 1399 127 UnconnectedWays.UnconnectedRailways.class, // ID 1301 .. 1399 128 UnconnectedWays.UnconnectedWaterways.class, // ID 1301 .. 1399 129 UnconnectedWays.UnconnectedNaturalOrLanduse.class, // ID 1301 .. 1399 130 UnconnectedWays.UnconnectedPower.class, // ID 1301 .. 1399 131 DuplicateWay.class, // ID 1401 .. 1499 132 NameMismatch.class, // ID 1501 .. 1599 133 MultipolygonTest.class, // ID 1601 .. 1699 134 RelationChecker.class, // ID 1701 .. 1799 135 TurnrestrictionTest.class, // ID 1801 .. 1899 136 DuplicateRelation.class, // ID 1901 .. 1999 137 WayConnectedToArea.class, // ID 2301 .. 2399 138 PowerLines.class, // ID 2501 .. 2599 139 Addresses.class, // ID 2601 .. 2699 140 Highways.class, // ID 2701 .. 2799 141 BarriersEntrances.class, // ID 2801 .. 2899 142 OpeningHourTest.class, // 2901 .. 2999 143 MapCSSTagChecker.class, // 3000 .. 3099 144 Lanes.class, // 3100 .. 3199 145 ConditionalKeys.class, // 3200 .. 3299 146 InternetTags.class, // 3300 .. 3399 147 ApiCapabilitiesTest.class, // 3400 .. 3499 148 LongSegment.class, // 3500 .. 3599 149 PublicTransportRouteTest.class, // 3600 .. 3699 150 RightAngleBuildingTest.class, // 3700 .. 3799 151 SharpAngles.class, // 3800 .. 3899 152 }; 153 154 /** 155 * Adds a test to the list of available tests 156 * @param testClass The test class 157 */ 158 public static void addTest(Class<? extends Test> testClass) { 159 allTests.add(testClass); 160 try { 161 allTestsMap.put(testClass.getName(), testClass.getConstructor().newInstance()); 162 } catch (ReflectiveOperationException e) { 163 Logging.error(e); 164 } 165 } 166 167 /** 168 * Removes a test from the list of available tests. This will not remove 169 * core tests. 170 * 171 * @param testClass The test class 172 * @return {@code true} if the test was removed (see {@link Collection#remove}) 173 * @since 15603 174 */ 175 public static boolean removeTest(Class<? extends Test> testClass) { 176 boolean removed = false; 177 if (!Arrays.asList(CORE_TEST_CLASSES).contains(testClass)) { 178 removed = allTests.remove(testClass); 179 allTestsMap.remove(testClass.getName()); 180 } 181 return removed; 182 } 183 184 static { 185 for (Class<? extends Test> testClass : CORE_TEST_CLASSES) { 186 addTest(testClass); 187 } 188 } 189 190 /** 191 * Initializes {@code OsmValidator}. 192 */ 193 public static void initialize() { 194 initializeGridDetail(); 195 loadIgnoredErrors(); 196 } 197 198 /** 199 * Returns the validator directory. 200 * 201 * @return The validator directory 202 */ 203 public static String getValidatorDir() { 204 File dir = new File(Config.getDirs().getUserDataDirectory(true), "validator"); 205 try { 206 return dir.getAbsolutePath(); 207 } catch (SecurityException e) { 208 Logging.log(Logging.LEVEL_ERROR, null, e); 209 return dir.getPath(); 210 } 211 } 212 213 private static void loadIgnoredErrors() { 214 ignoredErrors.clear(); 215 if (ValidatorPrefHelper.PREF_USE_IGNORE.get()) { 216 Config.getPref().getListOfMaps(ValidatorPrefHelper.PREF_IGNORELIST).forEach(ignoredErrors::putAll); 217 Path path = Paths.get(getValidatorDir()).resolve("ignorederrors"); 218 try { 219 if (path.toFile().exists()) { 220 try { 221 TreeSet<String> treeSet = new TreeSet<>(); 222 treeSet.addAll(Files.readAllLines(path, StandardCharsets.UTF_8)); 223 treeSet.forEach(ignore -> ignoredErrors.putIfAbsent(ignore, "")); 224 225 saveIgnoredErrors(); 226 Files.deleteIfExists(path); 227 228 } catch (FileNotFoundException e) { 229 Logging.debug(Logging.getErrorMessage(e)); 230 } catch (IOException e) { 231 Logging.error(e); 232 } 233 } 234 } catch (SecurityException e) { 235 Logging.log(Logging.LEVEL_ERROR, "Unable to load ignored errors", e); 236 } 237 } 238 } 239 240 /** 241 * Adds an ignored error 242 * @param s The ignore group / sub group name 243 * @see TestError#getIgnoreGroup() 244 * @see TestError#getIgnoreSubGroup() 245 */ 246 public static void addIgnoredError(String s) { 247 addIgnoredError(s, ""); 248 } 249 250 /** 251 * Adds an ignored error 252 * @param s The ignore group / sub group name 253 * @param description What the error actually is 254 * @see TestError#getIgnoreGroup() 255 * @see TestError#getIgnoreSubGroup() 256 */ 257 public static void addIgnoredError(String s, String description) { 258 if (description == null) description = ""; 259 ignoredErrors.put(s, description); 260 } 261 262 /** 263 * Make sure that we don't keep single entries for a "group ignore". 264 */ 265 static void cleanupIgnoredErrors() { 266 if (ignoredErrors.size() > 1) { 267 List<String> toRemove = new ArrayList<>(); 268 269 Iterator<Entry<String, String>> iter = ignoredErrors.entrySet().iterator(); 270 String lastKey = iter.next().getKey(); 271 while (iter.hasNext()) { 272 String currKey = iter.next().getKey(); 273 if (currKey.startsWith(lastKey) && sameCode(currKey, lastKey)) { 274 toRemove.add(currKey); 275 } else { 276 lastKey = currKey; 277 } 278 } 279 toRemove.forEach(ignoredErrors::remove); 280 } 281 282 Map<String, String> tmap = buildIgnore(buildJTreeList()); 283 if (!tmap.isEmpty()) { 284 ignoredErrors.clear(); 285 ignoredErrors.putAll(tmap); 286 } 287 } 288 289 private static boolean sameCode(String key1, String key2) { 290 return extractCodeFromIgnoreKey(key1).equals(extractCodeFromIgnoreKey(key2)); 291 } 292 293 /** 294 * Extract the leading digits building the code for the error key. 295 * @param key the error key 296 * @return the leading digits 297 */ 298 private static String extractCodeFromIgnoreKey(String key) { 299 int lenCode = 0; 300 301 for (int i = 0; i < key.length(); i++) { 302 if (key.charAt(i) >= '0' && key.charAt(i) <= '9') { 303 lenCode++; 304 } else { 305 break; 306 } 307 } 308 return key.substring(0, lenCode); 309 } 310 311 /** 312 * Check if a error should be ignored 313 * @param s The ignore group / sub group name 314 * @return <code>true</code> to ignore that error 315 */ 316 public static boolean hasIgnoredError(String s) { 317 return ignoredErrors.containsKey(s); 318 } 319 320 /** 321 * Get the list of all ignored errors 322 * @return The <code>Collection<String></code> of errors that are ignored 323 */ 324 public static SortedMap<String, String> getIgnoredErrors() { 325 return ignoredErrors; 326 } 327 328 /** 329 * Build a JTree with a list 330 * @return <type>list as a {@code JTree} 331 */ 332 public static JTree buildJTreeList() { 333 DefaultMutableTreeNode root = new DefaultMutableTreeNode(tr("Ignore list")); 334 final Pattern elemId1Pattern = Pattern.compile(":(r|w|n)_"); 335 final Pattern elemId2Pattern = Pattern.compile("^[0-9]+$"); 336 for (Entry<String, String> e: ignoredErrors.entrySet()) { 337 String key = e.getKey(); 338 // key starts with a code, it maybe followed by a string (eg. a MapCSS rule) and 339 // optionally with a list of one or more OSM element IDs 340 String description = e.getValue(); 341 342 ArrayList<String> ignoredElementList = new ArrayList<>(); 343 String[] osmobjects = elemId1Pattern.split(key); 344 for (int i = 1; i < osmobjects.length; i++) { 345 String osmid = osmobjects[i]; 346 if (elemId2Pattern.matcher(osmid).matches()) { 347 osmid = '_' + osmid; 348 int index = key.indexOf(osmid); 349 if (index < key.lastIndexOf(']')) continue; 350 char type = key.charAt(index - 1); 351 ignoredElementList.add(type + osmid); 352 } 353 } 354 for (String osmignore : ignoredElementList) { 355 key = key.replace(':' + osmignore, ""); 356 } 357 358 DefaultMutableTreeNode trunk; 359 DefaultMutableTreeNode branch; 360 361 if (description != null && !description.isEmpty()) { 362 trunk = inTree(root, description); 363 branch = inTree(trunk, key); 364 trunk.add(branch); 365 } else { 366 trunk = inTree(root, key); 367 branch = trunk; 368 } 369 if (!ignoredElementList.isEmpty()) { 370 String item; 371 if (ignoredElementList.size() == 1) { 372 item = ignoredElementList.iterator().next(); 373 } else { 374 // combination of two or more objects, keep them together 375 item = ignoredElementList.toString(); // [ID1, ID2, ..., IDn] 376 } 377 branch.add(new DefaultMutableTreeNode(item)); 378 } 379 root.add(trunk); 380 } 381 return new JTree(root); 382 } 383 384 private static DefaultMutableTreeNode inTree(DefaultMutableTreeNode root, String name) { 385 @SuppressWarnings("unchecked") 386 Enumeration<TreeNode> trunks = root.children(); 387 while (trunks.hasMoreElements()) { 388 TreeNode ttrunk = trunks.nextElement(); 389 if (ttrunk instanceof DefaultMutableTreeNode) { 390 DefaultMutableTreeNode trunk = (DefaultMutableTreeNode) ttrunk; 391 if (name.equals(trunk.getUserObject())) { 392 return trunk; 393 } 394 } 395 } 396 return new DefaultMutableTreeNode(name); 397 } 398 399 /** 400 * Build a {@code HashMap} from a tree of ignored errors 401 * @param tree The JTree of ignored errors 402 * @return A {@code HashMap} of the ignored errors for comparison 403 */ 404 public static Map<String, String> buildIgnore(JTree tree) { 405 TreeModel model = tree.getModel(); 406 DefaultMutableTreeNode root = (DefaultMutableTreeNode) model.getRoot(); 407 return buildIgnore(model, root); 408 } 409 410 private static Map<String, String> buildIgnore(TreeModel model, DefaultMutableTreeNode node) { 411 HashMap<String, String> rHashMap = new HashMap<>(); 412 413 for (int i = 0; i < model.getChildCount(node); i++) { 414 DefaultMutableTreeNode child = (DefaultMutableTreeNode) model.getChild(node, i); 415 if (model.getChildCount(child) == 0) { 416 // create an entry for the error list 417 String key = node.getUserObject().toString(); 418 String description; 419 420 if (!model.getRoot().equals(node)) { 421 description = ((DefaultMutableTreeNode) node.getParent()).getUserObject().toString(); 422 } else { 423 description = key; // we get here when reading old file ignorederrors 424 } 425 if (tr("Ignore list").equals(description)) 426 description = ""; 427 if (!key.matches("^[0-9]+(_.*|$)")) { 428 description = key; 429 key = ""; 430 } 431 432 String item = child.getUserObject().toString(); 433 String entry = null; 434 if (item.matches("^\\[(r|w|n)_.*")) { 435 // list of elements (produced with list.toString() method) 436 entry = key + ":" + item.substring(1, item.lastIndexOf(']')).replace(", ", ":"); 437 } else if (item.matches("^(r|w|n)_.*")) { 438 // single element 439 entry = key + ":" + item; 440 } else if (item.matches("^[0-9]+(_.*|)$")) { 441 // no element ids 442 entry = item; 443 } 444 if (entry != null) { 445 rHashMap.put(entry, description); 446 } else { 447 Logging.warn("ignored unexpected item in validator ignore list management dialog:'" + item + "'"); 448 } 449 } else { 450 rHashMap.putAll(buildIgnore(model, child)); 451 } 452 } 453 return rHashMap; 454 } 455 456 /** 457 * Reset the error list by deleting {@code validator.ignorelist} 458 */ 459 public static void resetErrorList() { 460 saveIgnoredErrors(); 461 Config.getPref().putListOfMaps(ValidatorPrefHelper.PREF_IGNORELIST, null); 462 OsmValidator.initialize(); 463 } 464 465 /** 466 * Saves the names of the ignored errors to a preference 467 */ 468 public static void saveIgnoredErrors() { 469 List<Map<String, String>> list = new ArrayList<>(); 470 cleanupIgnoredErrors(); 471 list.add(ignoredErrors); 472 int i = 0; 473 while (i < list.size()) { 474 if (list.get(i) == null || list.get(i).isEmpty()) { 475 list.remove(i); 476 continue; 477 } 478 i++; 479 } 480 if (list.isEmpty()) list = null; 481 Config.getPref().putListOfMaps(ValidatorPrefHelper.PREF_IGNORELIST, list); 482 } 483 484 /** 485 * Initializes error layer. 486 */ 487 public static synchronized void initializeErrorLayer() { 488 if (!ValidatorPrefHelper.PREF_LAYER.get()) 489 return; 490 if (errorLayer == null) { 491 errorLayer = new ValidatorLayer(); 492 MainApplication.getLayerManager().addLayer(errorLayer); 493 } 494 } 495 496 /** 497 * Resets error layer. 498 * @since 11852 499 */ 500 public static synchronized void resetErrorLayer() { 501 errorLayer = null; 502 } 503 504 /** 505 * Gets a map from simple names to all tests. 506 * @return A map of all tests, indexed and sorted by the name of their Java class 507 */ 508 public static SortedMap<String, Test> getAllTestsMap() { 509 applyPrefs(allTestsMap, false); 510 applyPrefs(allTestsMap, true); 511 return new TreeMap<>(allTestsMap); 512 } 513 514 /** 515 * Returns the instance of the given test class. 516 * @param <T> testClass type 517 * @param testClass The class of test to retrieve 518 * @return the instance of the given test class, if any, or {@code null} 519 * @since 6670 520 */ 521 @SuppressWarnings("unchecked") 522 public static <T extends Test> T getTest(Class<T> testClass) { 523 if (testClass == null) { 524 return null; 525 } 526 return (T) allTestsMap.get(testClass.getName()); 527 } 528 529 private static void applyPrefs(Map<String, Test> tests, boolean beforeUpload) { 530 for (String testName : Config.getPref().getList(beforeUpload 531 ? ValidatorPrefHelper.PREF_SKIP_TESTS_BEFORE_UPLOAD : ValidatorPrefHelper.PREF_SKIP_TESTS)) { 532 Test test = tests.get(testName); 533 if (test != null) { 534 if (beforeUpload) { 535 test.testBeforeUpload = false; 536 } else { 537 test.enabled = false; 538 } 539 } 540 } 541 } 542 543 /** 544 * Gets all tests that are possible 545 * @return The tests 546 */ 547 public static Collection<Test> getTests() { 548 return getAllTestsMap().values(); 549 } 550 551 /** 552 * Gets all tests that are run 553 * @param beforeUpload To get the ones that are run before upload 554 * @return The tests 555 */ 556 public static Collection<Test> getEnabledTests(boolean beforeUpload) { 557 Collection<Test> enabledTests = getTests(); 558 for (Test t : new ArrayList<>(enabledTests)) { 559 if (beforeUpload ? t.testBeforeUpload : t.enabled) { 560 continue; 561 } 562 enabledTests.remove(t); 563 } 564 return enabledTests; 565 } 566 567 /** 568 * Gets the list of all available test classes 569 * 570 * @return A collection of the test classes 571 */ 572 public static Collection<Class<? extends Test>> getAllAvailableTestClasses() { 573 return Collections.unmodifiableCollection(allTests); 574 } 575 576 /** 577 * Initialize grid details based on current projection system. Values based on 578 * the original value fixed for EPSG:4326 (10000) using heuristics (that is, test&error 579 * until most bugs were discovered while keeping the processing time reasonable) 580 */ 581 public static void initializeGridDetail() { 582 String code = ProjectionRegistry.getProjection().toCode(); 583 if (Arrays.asList(ProjectionPreference.wgs84.allCodes()).contains(code)) { 584 OsmValidator.griddetail = 10_000; 585 } else if (Arrays.asList(ProjectionPreference.mercator.allCodes()).contains(code)) { 586 OsmValidator.griddetail = 0.01; 587 } else if (Arrays.asList(ProjectionPreference.lambert.allCodes()).contains(code)) { 588 OsmValidator.griddetail = 0.1; 589 } else { 590 OsmValidator.griddetail = 1.0; 591 } 592 } 593 594 /** 595 * Returns grid detail, multiplier of east,north values for valuable cell sizing 596 * @return grid detail 597 * @since 11852 598 */ 599 public static double getGridDetail() { 600 return griddetail; 601 } 602 603 private static boolean testsInitialized; 604 605 /** 606 * Initializes all tests if this operations hasn't been performed already. 607 */ 608 public static synchronized void initializeTests() { 609 if (!testsInitialized) { 610 Logging.debug("Initializing validator tests"); 611 final Stopwatch stopwatch = Stopwatch.createStarted(); 612 initializeTests(getTests()); 613 testsInitialized = true; 614 Logging.debug("Initializing validator tests completed in {0}", stopwatch); 615 } 616 } 617 618 /** 619 * Initializes all tests 620 * @param allTests The tests to initialize 621 */ 622 public static void initializeTests(Collection<? extends Test> allTests) { 623 for (Test test : allTests) { 624 try { 625 if (test.enabled) { 626 test.initialize(); 627 } 628 } catch (Exception e) { // NOPMD 629 String message = tr("Error initializing test {0}:\n {1}", test.getClass().getSimpleName(), e); 630 Logging.error(message); 631 if (!GraphicsEnvironment.isHeadless()) { 632 GuiHelper.runInEDT(() -> 633 JOptionPane.showMessageDialog(MainApplication.getMainFrame(), message, tr("Error"), JOptionPane.ERROR_MESSAGE) 634 ); 635 } 636 } 637 } 638 } 639 640 /** 641 * Groups the given collection of errors by severity, then message, then description. 642 * @param errors list of errors to group 643 * @param filterToUse optional filter 644 * @return collection of errors grouped by severity, then message, then description 645 * @since 12667 646 */ 647 public static Map<Severity, Map<String, Map<String, List<TestError>>>> getErrorsBySeverityMessageDescription( 648 Collection<TestError> errors, Predicate<? super TestError> filterToUse) { 649 return errors.stream().filter(filterToUse).collect( 650 Collectors.groupingBy(TestError::getSeverity, () -> new EnumMap<>(Severity.class), 651 Collectors.groupingBy(TestError::getMessage, () -> new TreeMap<>(AlphanumComparator.getInstance()), 652 Collectors.groupingBy(e -> e.getDescription() == null ? "" : e.getDescription(), 653 () -> new TreeMap<>(AlphanumComparator.getInstance()), 654 Collectors.toList() 655 )))); 656 } 657 658 /** 659 * For unit tests 660 */ 661 static void clearIgnoredErrors() { 662 ignoredErrors.clear(); 663 } 664}