@Override
public DiscoveryResult<MavenHostedRepository> discoverLocalContent(
final MavenHostedRepository mavenRepository) throws IOException {
final DiscoveryResult<MavenHostedRepository> discoveryResult =
new DiscoveryResult<MavenHostedRepository>(mavenRepository);
final WalkerContext context =
new DefaultWalkerContext(
mavenRepository, new ResourceStoreRequest("/"), new DefaultStoreWalkerFilter(), true);
final PrefixCollectorProcessor prefixCollectorProcessor = new PrefixCollectorProcessor();
context.getProcessors().add(prefixCollectorProcessor);
try {
walker.walk(context);
final ParentOMatic parentOMatic = prefixCollectorProcessor.getParentOMatic();
if (parentOMatic.getRoot().isLeaf()) {
// tree is basically empty, so make the list too
discoveryResult.recordSuccess(
ID,
"Repository crawled successfully (is empty)",
new ArrayListPrefixSource(Collections.<String>emptyList()));
} else {
discoveryResult.recordSuccess(
ID,
"Repository crawled successfully",
new ArrayListPrefixSource(getAllLeafPaths(parentOMatic, config.getLocalScrapeDepth())));
}
} catch (WalkerException e) {
if (e.getWalkerContext().getStopCause() != null) {
discoveryResult.recordError(ID, e.getWalkerContext().getStopCause());
} else {
discoveryResult.recordError(ID, e);
}
}
return discoveryResult;
}
/**
* Removes the snapshots from maven repository.
*
* @param repository the repository
* @throws Exception the exception
*/
protected SnapshotRemovalRepositoryResult removeSnapshotsFromMavenRepository(
MavenRepository repository, SnapshotRemovalRequest request) {
TaskUtil.checkInterruption();
SnapshotRemovalRepositoryResult result =
new SnapshotRemovalRepositoryResult(repository.getId(), 0, 0, true);
if (!repository.getLocalStatus().shouldServiceRequest()) {
return result;
}
// we are already processed here, so skip repo
if (request.isProcessedRepo(repository.getId())) {
return new SnapshotRemovalRepositoryResult(repository.getId(), true);
}
request.addProcessedRepo(repository.getId());
// if this is not snap repo, do nothing
if (!RepositoryPolicy.SNAPSHOT.equals(repository.getRepositoryPolicy())) {
return result;
}
if (getLogger().isDebugEnabled()) {
getLogger()
.debug(
"Collecting deletable snapshots on repository "
+ repository.getId()
+ " from storage directory "
+ repository.getLocalUrl());
}
request.getMetadataRebuildPaths().clear();
// create a walker to collect deletables and let it loose on collections only
SnapshotRemoverWalkerProcessor snapshotRemoveProcessor =
new SnapshotRemoverWalkerProcessor(repository, request);
DefaultWalkerContext ctxMain =
new DefaultWalkerContext(
repository, new ResourceStoreRequest("/"), new DottedStoreWalkerFilter());
ctxMain.getProcessors().add(snapshotRemoveProcessor);
walker.walk(ctxMain);
if (ctxMain.getStopCause() != null) {
result.setSuccessful(false);
}
// and collect results
result.setDeletedSnapshots(snapshotRemoveProcessor.getDeletedSnapshots());
result.setDeletedFiles(snapshotRemoveProcessor.getDeletedFiles());
if (getLogger().isDebugEnabled()) {
getLogger()
.debug(
"Collected and deleted "
+ snapshotRemoveProcessor.getDeletedSnapshots()
+ " snapshots with alltogether "
+ snapshotRemoveProcessor.getDeletedFiles()
+ " files on repository "
+ repository.getId());
}
repository.expireCaches(new ResourceStoreRequest(RepositoryItemUid.PATH_ROOT));
RecreateMavenMetadataWalkerProcessor metadataRebuildProcessor =
new RecreateMavenMetadataWalkerProcessor(getLogger());
for (String path : request.getMetadataRebuildPaths()) {
DefaultWalkerContext ctxMd =
new DefaultWalkerContext(
repository, new ResourceStoreRequest(path), new DottedStoreWalkerFilter());
ctxMd.getProcessors().add(metadataRebuildProcessor);
try {
walker.walk(ctxMd);
} catch (WalkerException e) {
if (!(e.getCause() instanceof ItemNotFoundException)) {
// do not ignore it
throw e;
}
}
}
return result;
}