public void run() {
ClassLoader old = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(classLoader);
resolve(artifact, remoteRepositories, session);
} catch (ArtifactNotFoundException anfe) {
// These are cases where the artifact just isn't present in any of the remote repositories
// because it wasn't deployed, or it was deployed in the wrong place.
synchronized (result) {
result.addMissingArtifact(artifact);
}
} catch (ArtifactResolutionException e) {
// This is really a wagon TransferFailedException so something went wrong after we
// successfully
// retrieved the metadata.
synchronized (result) {
result.addErrorArtifactException(e);
}
} finally {
latch.countDown();
Thread.currentThread().setContextClassLoader(old);
}
}
public ArtifactResolutionResult resolve(ArtifactResolutionRequest request) {
Artifact rootArtifact = request.getArtifact();
Set<Artifact> artifacts = request.getArtifactDependencies();
Map<String, Artifact> managedVersions = request.getManagedVersionMap();
List<ResolutionListener> listeners = request.getListeners();
ArtifactFilter collectionFilter = request.getCollectionFilter();
ArtifactFilter resolutionFilter = request.getResolutionFilter();
RepositorySystemSession session = getSession(request.getLocalRepository());
// TODO: hack because metadata isn't generated in m2e correctly and i want to run the maven i
// have in the workspace
if (source == null) {
try {
source = container.lookup(ArtifactMetadataSource.class);
} catch (ComponentLookupException e) {
// won't happen
}
}
if (listeners == null) {
listeners = new ArrayList<ResolutionListener>();
if (logger.isDebugEnabled()) {
listeners.add(new DebugResolutionListener(logger));
}
listeners.add(new WarningResolutionListener(logger));
}
ArtifactResolutionResult result = new ArtifactResolutionResult();
// The root artifact may, or may not be resolved so we need to check before we attempt to
// resolve.
// This is often an artifact like a POM that is taken from disk and we already have hold of the
// file reference. But this may be a Maven Plugin that we need to resolve from a remote
// repository
// as well as its dependencies.
if (request.isResolveRoot() /* && rootArtifact.getFile() == null */) {
try {
resolve(rootArtifact, request.getRemoteRepositories(), session);
} catch (ArtifactResolutionException e) {
result.addErrorArtifactException(e);
return result;
} catch (ArtifactNotFoundException e) {
result.addMissingArtifact(request.getArtifact());
return result;
}
}
ArtifactResolutionRequest collectionRequest = request;
if (request.isResolveTransitively()) {
MetadataResolutionRequest metadataRequest = new DefaultMetadataResolutionRequest(request);
metadataRequest.setArtifact(rootArtifact);
metadataRequest.setResolveManagedVersions(managedVersions == null);
try {
ResolutionGroup resolutionGroup = source.retrieve(metadataRequest);
if (managedVersions == null) {
managedVersions = resolutionGroup.getManagedVersions();
}
Set<Artifact> directArtifacts = resolutionGroup.getArtifacts();
if (artifacts == null || artifacts.isEmpty()) {
artifacts = directArtifacts;
} else {
List<Artifact> allArtifacts = new ArrayList<Artifact>();
allArtifacts.addAll(artifacts);
allArtifacts.addAll(directArtifacts);
Map<String, Artifact> mergedArtifacts = new LinkedHashMap<String, Artifact>();
for (Artifact artifact : allArtifacts) {
String conflictId = artifact.getDependencyConflictId();
if (!mergedArtifacts.containsKey(conflictId)) {
mergedArtifacts.put(conflictId, artifact);
}
}
artifacts = new LinkedHashSet<Artifact>(mergedArtifacts.values());
}
collectionRequest = new ArtifactResolutionRequest(request);
collectionRequest.setServers(request.getServers());
collectionRequest.setMirrors(request.getMirrors());
collectionRequest.setProxies(request.getProxies());
collectionRequest.setRemoteRepositories(resolutionGroup.getResolutionRepositories());
} catch (ArtifactMetadataRetrievalException e) {
ArtifactResolutionException are =
new ArtifactResolutionException(
"Unable to get dependency information for "
+ rootArtifact.getId()
+ ": "
+ e.getMessage(),
rootArtifact,
metadataRequest.getRemoteRepositories(),
e);
result.addMetadataResolutionException(are);
return result;
}
}
if (artifacts == null || artifacts.isEmpty()) {
if (request.isResolveRoot()) {
result.addArtifact(rootArtifact);
}
return result;
}
// After the collection we will have the artifact object in the result but they will not be
// resolved yet.
result =
artifactCollector.collect(
artifacts,
rootArtifact,
managedVersions,
collectionRequest,
source,
collectionFilter,
listeners,
null);
// We have metadata retrieval problems, or there are cycles that have been detected
// so we give this back to the calling code and let them deal with this information
// appropriately.
if (result.hasMetadataResolutionExceptions()
|| result.hasVersionRangeViolations()
|| result.hasCircularDependencyExceptions()) {
return result;
}
if (result.getArtifactResolutionNodes() != null) {
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
CountDownLatch latch = new CountDownLatch(result.getArtifactResolutionNodes().size());
for (ResolutionNode node : result.getArtifactResolutionNodes()) {
Artifact artifact = node.getArtifact();
if (resolutionFilter == null || resolutionFilter.include(artifact)) {
executor.execute(
new ResolveTask(
classLoader, latch, artifact, session, node.getRemoteRepositories(), result));
} else {
latch.countDown();
}
}
try {
latch.await();
} catch (InterruptedException e) {
result.addErrorArtifactException(
new ArtifactResolutionException("Resolution interrupted", rootArtifact, e));
}
}
// We want to send the root artifact back in the result but we need to do this after the other
// dependencies
// have been resolved.
if (request.isResolveRoot()) {
// Add the root artifact (as the first artifact to retain logical order of class path!)
Set<Artifact> allArtifacts = new LinkedHashSet<Artifact>();
allArtifacts.add(rootArtifact);
allArtifacts.addAll(result.getArtifacts());
result.setArtifacts(allArtifacts);
}
return result;
}