1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 package org.eclipse.aether.internal.impl;
20
21 import javax.inject.Inject;
22 import javax.inject.Named;
23 import javax.inject.Singleton;
24
25 import java.io.File;
26 import java.io.IOException;
27 import java.util.ArrayList;
28 import java.util.Collection;
29 import java.util.Collections;
30 import java.util.Iterator;
31 import java.util.List;
32 import java.util.Map;
33 import java.util.concurrent.atomic.AtomicBoolean;
34
35 import org.eclipse.aether.RepositoryEvent;
36 import org.eclipse.aether.RepositoryEvent.EventType;
37 import org.eclipse.aether.RepositorySystemSession;
38 import org.eclipse.aether.RequestTrace;
39 import org.eclipse.aether.SyncContext;
40 import org.eclipse.aether.artifact.Artifact;
41 import org.eclipse.aether.artifact.ArtifactProperties;
42 import org.eclipse.aether.impl.ArtifactResolver;
43 import org.eclipse.aether.impl.OfflineController;
44 import org.eclipse.aether.impl.RemoteRepositoryFilterManager;
45 import org.eclipse.aether.impl.RemoteRepositoryManager;
46 import org.eclipse.aether.impl.RepositoryConnectorProvider;
47 import org.eclipse.aether.impl.RepositoryEventDispatcher;
48 import org.eclipse.aether.impl.UpdateCheck;
49 import org.eclipse.aether.impl.UpdateCheckManager;
50 import org.eclipse.aether.impl.VersionResolver;
51 import org.eclipse.aether.repository.ArtifactRepository;
52 import org.eclipse.aether.repository.LocalArtifactRegistration;
53 import org.eclipse.aether.repository.LocalArtifactRequest;
54 import org.eclipse.aether.repository.LocalArtifactResult;
55 import org.eclipse.aether.repository.LocalRepository;
56 import org.eclipse.aether.repository.LocalRepositoryManager;
57 import org.eclipse.aether.repository.RemoteRepository;
58 import org.eclipse.aether.repository.RepositoryPolicy;
59 import org.eclipse.aether.repository.WorkspaceReader;
60 import org.eclipse.aether.resolution.ArtifactRequest;
61 import org.eclipse.aether.resolution.ArtifactResolutionException;
62 import org.eclipse.aether.resolution.ArtifactResult;
63 import org.eclipse.aether.resolution.ResolutionErrorPolicy;
64 import org.eclipse.aether.resolution.VersionRequest;
65 import org.eclipse.aether.resolution.VersionResolutionException;
66 import org.eclipse.aether.resolution.VersionResult;
67 import org.eclipse.aether.spi.connector.ArtifactDownload;
68 import org.eclipse.aether.spi.connector.RepositoryConnector;
69 import org.eclipse.aether.spi.connector.filter.RemoteRepositoryFilter;
70 import org.eclipse.aether.spi.io.FileProcessor;
71 import org.eclipse.aether.spi.locator.Service;
72 import org.eclipse.aether.spi.locator.ServiceLocator;
73 import org.eclipse.aether.spi.resolution.ArtifactResolverPostProcessor;
74 import org.eclipse.aether.spi.synccontext.SyncContextFactory;
75 import org.eclipse.aether.transfer.ArtifactFilteredOutException;
76 import org.eclipse.aether.transfer.ArtifactNotFoundException;
77 import org.eclipse.aether.transfer.ArtifactTransferException;
78 import org.eclipse.aether.transfer.NoRepositoryConnectorException;
79 import org.eclipse.aether.transfer.RepositoryOfflineException;
80 import org.eclipse.aether.util.ConfigUtils;
81 import org.slf4j.Logger;
82 import org.slf4j.LoggerFactory;
83
84 import static java.util.Objects.requireNonNull;
85
86
87
88
89 @Singleton
90 @Named
91 public class DefaultArtifactResolver implements ArtifactResolver, Service {
92
93
94
95
96
97 private static final String CONFIG_PROP_SNAPSHOT_NORMALIZATION = "aether.artifactResolver.snapshotNormalization";
98
99
100
101
102
103
104 private static final String CONFIG_PROP_SIMPLE_LRM_INTEROP = "aether.artifactResolver.simpleLrmInterop";
105
106 private static final Logger LOGGER = LoggerFactory.getLogger(DefaultArtifactResolver.class);
107
108 private FileProcessor fileProcessor;
109
110 private RepositoryEventDispatcher repositoryEventDispatcher;
111
112 private VersionResolver versionResolver;
113
114 private UpdateCheckManager updateCheckManager;
115
116 private RepositoryConnectorProvider repositoryConnectorProvider;
117
118 private RemoteRepositoryManager remoteRepositoryManager;
119
120 private SyncContextFactory syncContextFactory;
121
122 private OfflineController offlineController;
123
124 private Map<String, ArtifactResolverPostProcessor> artifactResolverPostProcessors;
125
126 private RemoteRepositoryFilterManager remoteRepositoryFilterManager;
127
128 @Deprecated
129 public DefaultArtifactResolver() {
130
131 }
132
133 @SuppressWarnings("checkstyle:parameternumber")
134 @Inject
135 public DefaultArtifactResolver(
136 FileProcessor fileProcessor,
137 RepositoryEventDispatcher repositoryEventDispatcher,
138 VersionResolver versionResolver,
139 UpdateCheckManager updateCheckManager,
140 RepositoryConnectorProvider repositoryConnectorProvider,
141 RemoteRepositoryManager remoteRepositoryManager,
142 SyncContextFactory syncContextFactory,
143 OfflineController offlineController,
144 Map<String, ArtifactResolverPostProcessor> artifactResolverPostProcessors,
145 RemoteRepositoryFilterManager remoteRepositoryFilterManager) {
146 setFileProcessor(fileProcessor);
147 setRepositoryEventDispatcher(repositoryEventDispatcher);
148 setVersionResolver(versionResolver);
149 setUpdateCheckManager(updateCheckManager);
150 setRepositoryConnectorProvider(repositoryConnectorProvider);
151 setRemoteRepositoryManager(remoteRepositoryManager);
152 setSyncContextFactory(syncContextFactory);
153 setOfflineController(offlineController);
154 setArtifactResolverPostProcessors(artifactResolverPostProcessors);
155 setRemoteRepositoryFilterManager(remoteRepositoryFilterManager);
156 }
157
158 public void initService(ServiceLocator locator) {
159 setFileProcessor(locator.getService(FileProcessor.class));
160 setRepositoryEventDispatcher(locator.getService(RepositoryEventDispatcher.class));
161 setVersionResolver(locator.getService(VersionResolver.class));
162 setUpdateCheckManager(locator.getService(UpdateCheckManager.class));
163 setRepositoryConnectorProvider(locator.getService(RepositoryConnectorProvider.class));
164 setRemoteRepositoryManager(locator.getService(RemoteRepositoryManager.class));
165 setSyncContextFactory(locator.getService(SyncContextFactory.class));
166 setOfflineController(locator.getService(OfflineController.class));
167 setArtifactResolverPostProcessors(Collections.emptyMap());
168 setRemoteRepositoryFilterManager(locator.getService(RemoteRepositoryFilterManager.class));
169 }
170
171
172
173
174 @Deprecated
175 public DefaultArtifactResolver setLoggerFactory(org.eclipse.aether.spi.log.LoggerFactory loggerFactory) {
176
177 return this;
178 }
179
180 public DefaultArtifactResolver setFileProcessor(FileProcessor fileProcessor) {
181 this.fileProcessor = requireNonNull(fileProcessor, "file processor cannot be null");
182 return this;
183 }
184
185 public DefaultArtifactResolver setRepositoryEventDispatcher(RepositoryEventDispatcher repositoryEventDispatcher) {
186 this.repositoryEventDispatcher =
187 requireNonNull(repositoryEventDispatcher, "repository event dispatcher cannot be null");
188 return this;
189 }
190
191 public DefaultArtifactResolver setVersionResolver(VersionResolver versionResolver) {
192 this.versionResolver = requireNonNull(versionResolver, "version resolver cannot be null");
193 return this;
194 }
195
196 public DefaultArtifactResolver setUpdateCheckManager(UpdateCheckManager updateCheckManager) {
197 this.updateCheckManager = requireNonNull(updateCheckManager, "update check manager cannot be null");
198 return this;
199 }
200
201 public DefaultArtifactResolver setRepositoryConnectorProvider(
202 RepositoryConnectorProvider repositoryConnectorProvider) {
203 this.repositoryConnectorProvider =
204 requireNonNull(repositoryConnectorProvider, "repository connector provider cannot be null");
205 return this;
206 }
207
208 public DefaultArtifactResolver setRemoteRepositoryManager(RemoteRepositoryManager remoteRepositoryManager) {
209 this.remoteRepositoryManager =
210 requireNonNull(remoteRepositoryManager, "remote repository provider cannot be null");
211 return this;
212 }
213
214 public DefaultArtifactResolver setSyncContextFactory(SyncContextFactory syncContextFactory) {
215 this.syncContextFactory = requireNonNull(syncContextFactory, "sync context factory cannot be null");
216 return this;
217 }
218
219 public DefaultArtifactResolver setOfflineController(OfflineController offlineController) {
220 this.offlineController = requireNonNull(offlineController, "offline controller cannot be null");
221 return this;
222 }
223
224 public DefaultArtifactResolver setArtifactResolverPostProcessors(
225 Map<String, ArtifactResolverPostProcessor> artifactResolverPostProcessors) {
226 this.artifactResolverPostProcessors =
227 requireNonNull(artifactResolverPostProcessors, "artifact resolver post-processors cannot be null");
228 return this;
229 }
230
231 public DefaultArtifactResolver setRemoteRepositoryFilterManager(
232 RemoteRepositoryFilterManager remoteRepositoryFilterManager) {
233 this.remoteRepositoryFilterManager =
234 requireNonNull(remoteRepositoryFilterManager, "remote repository filter manager cannot be null");
235 return this;
236 }
237
238 public ArtifactResult resolveArtifact(RepositorySystemSession session, ArtifactRequest request)
239 throws ArtifactResolutionException {
240 requireNonNull(session, "session cannot be null");
241 requireNonNull(request, "request cannot be null");
242
243 return resolveArtifacts(session, Collections.singleton(request)).get(0);
244 }
245
246 public List<ArtifactResult> resolveArtifacts(
247 RepositorySystemSession session, Collection<? extends ArtifactRequest> requests)
248 throws ArtifactResolutionException {
249 requireNonNull(session, "session cannot be null");
250 requireNonNull(requests, "requests cannot be null");
251 try (SyncContext shared = syncContextFactory.newInstance(session, true);
252 SyncContext exclusive = syncContextFactory.newInstance(session, false)) {
253 Collection<Artifact> artifacts = new ArrayList<>(requests.size());
254 for (ArtifactRequest request : requests) {
255 if (request.getArtifact().getProperty(ArtifactProperties.LOCAL_PATH, null) != null) {
256 continue;
257 }
258 artifacts.add(request.getArtifact());
259 }
260
261 return resolve(shared, exclusive, artifacts, session, requests);
262 }
263 }
264
265 @SuppressWarnings("checkstyle:methodlength")
266 private List<ArtifactResult> resolve(
267 SyncContext shared,
268 SyncContext exclusive,
269 Collection<Artifact> subjects,
270 RepositorySystemSession session,
271 Collection<? extends ArtifactRequest> requests)
272 throws ArtifactResolutionException {
273 SyncContext current = shared;
274 try {
275 while (true) {
276 current.acquire(subjects, null);
277
278 boolean failures = false;
279 final List<ArtifactResult> results = new ArrayList<>(requests.size());
280 final boolean simpleLrmInterop = ConfigUtils.getBoolean(session, false, CONFIG_PROP_SIMPLE_LRM_INTEROP);
281 final LocalRepositoryManager lrm = session.getLocalRepositoryManager();
282 final WorkspaceReader workspace = session.getWorkspaceReader();
283 final List<ResolutionGroup> groups = new ArrayList<>();
284
285 final RemoteRepositoryFilter filter = remoteRepositoryFilterManager.getRemoteRepositoryFilter(session);
286
287 for (ArtifactRequest request : requests) {
288 RequestTrace trace = RequestTrace.newChild(request.getTrace(), request);
289
290 ArtifactResult result = new ArtifactResult(request);
291 results.add(result);
292
293 Artifact artifact = request.getArtifact();
294
295 if (current == shared) {
296 artifactResolving(session, trace, artifact);
297 }
298
299 String localPath = artifact.getProperty(ArtifactProperties.LOCAL_PATH, null);
300 if (localPath != null) {
301
302 File file = new File(localPath);
303 if (!file.isFile()) {
304 failures = true;
305 result.addException(new ArtifactNotFoundException(artifact, null));
306 } else {
307 artifact = artifact.setFile(file);
308 result.setArtifact(artifact);
309 artifactResolved(session, trace, artifact, null, result.getExceptions());
310 }
311 continue;
312 }
313
314 List<RemoteRepository> remoteRepositories = request.getRepositories();
315 List<RemoteRepository> filteredRemoteRepositories = new ArrayList<>(remoteRepositories);
316 if (filter != null) {
317 for (RemoteRepository repository : remoteRepositories) {
318 RemoteRepositoryFilter.Result filterResult = filter.acceptArtifact(repository, artifact);
319 if (!filterResult.isAccepted()) {
320 result.addException(new ArtifactFilteredOutException(
321 artifact, repository, filterResult.reasoning()));
322 filteredRemoteRepositories.remove(repository);
323 }
324 }
325 }
326
327 VersionResult versionResult;
328 try {
329 VersionRequest versionRequest =
330 new VersionRequest(artifact, filteredRemoteRepositories, request.getRequestContext());
331 versionRequest.setTrace(trace);
332 versionResult = versionResolver.resolveVersion(session, versionRequest);
333 } catch (VersionResolutionException e) {
334 result.addException(e);
335 continue;
336 }
337
338 artifact = artifact.setVersion(versionResult.getVersion());
339
340 if (versionResult.getRepository() != null) {
341 if (versionResult.getRepository() instanceof RemoteRepository) {
342 filteredRemoteRepositories =
343 Collections.singletonList((RemoteRepository) versionResult.getRepository());
344 } else {
345 filteredRemoteRepositories = Collections.emptyList();
346 }
347 }
348
349 if (workspace != null) {
350 File file = workspace.findArtifact(artifact);
351 if (file != null) {
352 artifact = artifact.setFile(file);
353 result.setArtifact(artifact);
354 result.setRepository(workspace.getRepository());
355 artifactResolved(session, trace, artifact, result.getRepository(), null);
356 continue;
357 }
358 }
359
360 LocalArtifactResult local = lrm.find(
361 session,
362 new LocalArtifactRequest(
363 artifact, filteredRemoteRepositories, request.getRequestContext()));
364 result.setLocalArtifactResult(local);
365 boolean found = (filter != null && local.isAvailable()) || isLocallyInstalled(local, versionResult);
366
367
368
369 if (found) {
370 if (local.getRepository() != null) {
371 result.setRepository(local.getRepository());
372 } else {
373 result.setRepository(lrm.getRepository());
374 }
375
376 try {
377 artifact = artifact.setFile(getFile(session, artifact, local.getFile()));
378 result.setArtifact(artifact);
379 artifactResolved(session, trace, artifact, result.getRepository(), null);
380 } catch (ArtifactTransferException e) {
381 result.addException(e);
382 }
383 if (filter == null && simpleLrmInterop && !local.isAvailable()) {
384
385
386
387
388
389
390 lrm.add(session, new LocalArtifactRegistration(artifact));
391 }
392
393 continue;
394 }
395
396 if (local.getFile() != null) {
397 LOGGER.info(
398 "Artifact {} is present in the local repository, but cached from a remote repository ID that is unavailable in current build context, verifying that is downloadable from {}",
399 artifact,
400 remoteRepositories);
401 }
402
403 LOGGER.debug("Resolving artifact {} from {}", artifact, remoteRepositories);
404 AtomicBoolean resolved = new AtomicBoolean(false);
405 Iterator<ResolutionGroup> groupIt = groups.iterator();
406 for (RemoteRepository repo : filteredRemoteRepositories) {
407 if (!repo.getPolicy(artifact.isSnapshot()).isEnabled()) {
408 continue;
409 }
410
411 try {
412 Utils.checkOffline(session, offlineController, repo);
413 } catch (RepositoryOfflineException e) {
414 Exception exception = new ArtifactNotFoundException(
415 artifact,
416 repo,
417 "Cannot access " + repo.getId() + " ("
418 + repo.getUrl() + ") in offline mode and the artifact " + artifact
419 + " has not been downloaded from it before.",
420 e);
421 result.addException(exception);
422 continue;
423 }
424
425 ResolutionGroup group = null;
426 while (groupIt.hasNext()) {
427 ResolutionGroup t = groupIt.next();
428 if (t.matches(repo)) {
429 group = t;
430 break;
431 }
432 }
433 if (group == null) {
434 group = new ResolutionGroup(repo);
435 groups.add(group);
436 groupIt = Collections.emptyIterator();
437 }
438 group.items.add(new ResolutionItem(trace, artifact, resolved, result, local, repo));
439 }
440 }
441
442 if (!groups.isEmpty() && current == shared) {
443 current.close();
444 current = exclusive;
445 continue;
446 }
447
448 for (ResolutionGroup group : groups) {
449 performDownloads(session, group);
450 }
451
452 for (ArtifactResolverPostProcessor artifactResolverPostProcessor :
453 artifactResolverPostProcessors.values()) {
454 artifactResolverPostProcessor.postProcess(session, results);
455 }
456
457 for (ArtifactResult result : results) {
458 ArtifactRequest request = result.getRequest();
459
460 Artifact artifact = result.getArtifact();
461 if (artifact == null || artifact.getFile() == null) {
462 failures = true;
463 if (result.getExceptions().isEmpty()) {
464 Exception exception = new ArtifactNotFoundException(request.getArtifact(), null);
465 result.addException(exception);
466 }
467 RequestTrace trace = RequestTrace.newChild(request.getTrace(), request);
468 artifactResolved(session, trace, request.getArtifact(), null, result.getExceptions());
469 }
470 }
471
472 if (failures) {
473 throw new ArtifactResolutionException(results);
474 }
475
476 return results;
477 }
478 } finally {
479 current.close();
480 }
481 }
482
483 private boolean isLocallyInstalled(LocalArtifactResult lar, VersionResult vr) {
484 if (lar.isAvailable()) {
485 return true;
486 }
487 if (lar.getFile() != null) {
488 if (vr.getRepository() instanceof LocalRepository) {
489
490 return true;
491 } else if (vr.getRepository() == null
492 && lar.getRequest().getRepositories().isEmpty()) {
493
494 return true;
495 }
496 }
497 return false;
498 }
499
500 private File getFile(RepositorySystemSession session, Artifact artifact, File file)
501 throws ArtifactTransferException {
502 if (artifact.isSnapshot()
503 && !artifact.getVersion().equals(artifact.getBaseVersion())
504 && ConfigUtils.getBoolean(session, true, CONFIG_PROP_SNAPSHOT_NORMALIZATION)) {
505 String name = file.getName().replace(artifact.getVersion(), artifact.getBaseVersion());
506 File dst = new File(file.getParent(), name);
507
508 boolean copy = dst.length() != file.length() || dst.lastModified() != file.lastModified();
509 if (copy) {
510 try {
511 fileProcessor.copy(file, dst);
512 dst.setLastModified(file.lastModified());
513 } catch (IOException e) {
514 throw new ArtifactTransferException(artifact, null, e);
515 }
516 }
517
518 file = dst;
519 }
520
521 return file;
522 }
523
524 private void performDownloads(RepositorySystemSession session, ResolutionGroup group) {
525 List<ArtifactDownload> downloads = gatherDownloads(session, group);
526 if (downloads.isEmpty()) {
527 return;
528 }
529
530 for (ArtifactDownload download : downloads) {
531 artifactDownloading(session, download.getTrace(), download.getArtifact(), group.repository);
532 }
533
534 try {
535 try (RepositoryConnector connector =
536 repositoryConnectorProvider.newRepositoryConnector(session, group.repository)) {
537 connector.get(downloads, null);
538 }
539 } catch (NoRepositoryConnectorException e) {
540 for (ArtifactDownload download : downloads) {
541 download.setException(new ArtifactTransferException(download.getArtifact(), group.repository, e));
542 }
543 }
544
545 evaluateDownloads(session, group);
546 }
547
548 private List<ArtifactDownload> gatherDownloads(RepositorySystemSession session, ResolutionGroup group) {
549 LocalRepositoryManager lrm = session.getLocalRepositoryManager();
550 List<ArtifactDownload> downloads = new ArrayList<>();
551
552 for (ResolutionItem item : group.items) {
553 Artifact artifact = item.artifact;
554
555 if (item.resolved.get()) {
556
557 continue;
558 }
559
560 ArtifactDownload download = new ArtifactDownload();
561 download.setArtifact(artifact);
562 download.setRequestContext(item.request.getRequestContext());
563 download.setListener(SafeTransferListener.wrap(session));
564 download.setTrace(item.trace);
565 if (item.local.getFile() != null) {
566 download.setFile(item.local.getFile());
567 download.setExistenceCheck(true);
568 } else {
569 String path =
570 lrm.getPathForRemoteArtifact(artifact, group.repository, item.request.getRequestContext());
571 download.setFile(new File(lrm.getRepository().getBasedir(), path));
572 }
573
574 boolean snapshot = artifact.isSnapshot();
575 RepositoryPolicy policy = remoteRepositoryManager.getPolicy(session, group.repository, !snapshot, snapshot);
576
577 int errorPolicy = Utils.getPolicy(session, artifact, group.repository);
578 if ((errorPolicy & ResolutionErrorPolicy.CACHE_ALL) != 0) {
579 UpdateCheck<Artifact, ArtifactTransferException> check = new UpdateCheck<>();
580 check.setItem(artifact);
581 check.setFile(download.getFile());
582 check.setFileValid(false);
583 check.setRepository(group.repository);
584 check.setPolicy(policy.getUpdatePolicy());
585 item.updateCheck = check;
586 updateCheckManager.checkArtifact(session, check);
587 if (!check.isRequired()) {
588 item.result.addException(check.getException());
589 continue;
590 }
591 }
592
593 download.setChecksumPolicy(policy.getChecksumPolicy());
594 download.setRepositories(item.repository.getMirroredRepositories());
595 downloads.add(download);
596 item.download = download;
597 }
598
599 return downloads;
600 }
601
602 private void evaluateDownloads(RepositorySystemSession session, ResolutionGroup group) {
603 LocalRepositoryManager lrm = session.getLocalRepositoryManager();
604
605 for (ResolutionItem item : group.items) {
606 ArtifactDownload download = item.download;
607 if (download == null) {
608 continue;
609 }
610
611 Artifact artifact = download.getArtifact();
612 if (download.getException() == null) {
613 item.resolved.set(true);
614 item.result.setRepository(group.repository);
615 try {
616 artifact = artifact.setFile(getFile(session, artifact, download.getFile()));
617 item.result.setArtifact(artifact);
618
619 lrm.add(
620 session,
621 new LocalArtifactRegistration(artifact, group.repository, download.getSupportedContexts()));
622 } catch (ArtifactTransferException e) {
623 download.setException(e);
624 item.result.addException(e);
625 }
626 } else {
627 item.result.addException(download.getException());
628 }
629
630
631
632
633
634 if (item.updateCheck != null) {
635 item.updateCheck.setException(download.getException());
636 updateCheckManager.touchArtifact(session, item.updateCheck);
637 }
638
639 artifactDownloaded(session, download.getTrace(), artifact, group.repository, download.getException());
640 if (download.getException() == null) {
641 artifactResolved(session, download.getTrace(), artifact, group.repository, null);
642 }
643 }
644 }
645
646 private void artifactResolving(RepositorySystemSession session, RequestTrace trace, Artifact artifact) {
647 RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_RESOLVING);
648 event.setTrace(trace);
649 event.setArtifact(artifact);
650
651 repositoryEventDispatcher.dispatch(event.build());
652 }
653
654 private void artifactResolved(
655 RepositorySystemSession session,
656 RequestTrace trace,
657 Artifact artifact,
658 ArtifactRepository repository,
659 List<Exception> exceptions) {
660 RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_RESOLVED);
661 event.setTrace(trace);
662 event.setArtifact(artifact);
663 event.setRepository(repository);
664 event.setExceptions(exceptions);
665 if (artifact != null) {
666 event.setFile(artifact.getFile());
667 }
668
669 repositoryEventDispatcher.dispatch(event.build());
670 }
671
672 private void artifactDownloading(
673 RepositorySystemSession session, RequestTrace trace, Artifact artifact, RemoteRepository repository) {
674 RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_DOWNLOADING);
675 event.setTrace(trace);
676 event.setArtifact(artifact);
677 event.setRepository(repository);
678
679 repositoryEventDispatcher.dispatch(event.build());
680 }
681
682 private void artifactDownloaded(
683 RepositorySystemSession session,
684 RequestTrace trace,
685 Artifact artifact,
686 RemoteRepository repository,
687 Exception exception) {
688 RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_DOWNLOADED);
689 event.setTrace(trace);
690 event.setArtifact(artifact);
691 event.setRepository(repository);
692 event.setException(exception);
693 if (artifact != null) {
694 event.setFile(artifact.getFile());
695 }
696
697 repositoryEventDispatcher.dispatch(event.build());
698 }
699
700 static class ResolutionGroup {
701
702 final RemoteRepository repository;
703
704 final List<ResolutionItem> items = new ArrayList<>();
705
706 ResolutionGroup(RemoteRepository repository) {
707 this.repository = repository;
708 }
709
710 boolean matches(RemoteRepository repo) {
711 return repository.getUrl().equals(repo.getUrl())
712 && repository.getContentType().equals(repo.getContentType())
713 && repository.isRepositoryManager() == repo.isRepositoryManager();
714 }
715 }
716
717 static class ResolutionItem {
718
719 final RequestTrace trace;
720
721 final ArtifactRequest request;
722
723 final ArtifactResult result;
724
725 final LocalArtifactResult local;
726
727 final RemoteRepository repository;
728
729 final Artifact artifact;
730
731 final AtomicBoolean resolved;
732
733 ArtifactDownload download;
734
735 UpdateCheck<Artifact, ArtifactTransferException> updateCheck;
736
737 ResolutionItem(
738 RequestTrace trace,
739 Artifact artifact,
740 AtomicBoolean resolved,
741 ArtifactResult result,
742 LocalArtifactResult local,
743 RemoteRepository repository) {
744 this.trace = trace;
745 this.artifact = artifact;
746 this.resolved = resolved;
747 this.result = result;
748 this.request = result.getRequest();
749 this.local = local;
750 this.repository = repository;
751 }
752 }
753 }