/**
* @return The last build number for snapshot version. 0 if maven-metadata not found for the path.
*/
private int getLastBuildNumber(RepoPath repoPath) {
int buildNumber = 0;
try {
// get the parent path which should contains the maven-metadata
RepoPath parentRepoPath = repoPath.getParent();
RepositoryService repoService = ContextHelper.get().getRepositoryService();
RepoPathImpl mavenMetadataPath =
new RepoPathImpl(parentRepoPath, MavenNaming.MAVEN_METADATA_NAME);
if (repoService.exists(mavenMetadataPath)) {
String mavenMetadataStr = repoService.getStringContent(mavenMetadataPath);
Metadata metadata = MavenModelUtils.toMavenMetadata(mavenMetadataStr);
Versioning versioning = metadata.getVersioning();
if (versioning != null) {
Snapshot snapshot = versioning.getSnapshot();
if (snapshot != null) {
buildNumber = snapshot.getBuildNumber();
}
}
} else {
// ok probably not found. just log
log.debug("No maven metadata found for {}.", repoPath);
}
} catch (Exception e) {
log.error("Cannot obtain build number from metadata.", e);
}
return buildNumber;
}
private String adjustUsingClientTimestamp(MavenSnapshotVersionAdapterContext context) {
// artifact was uploaded with a timestamp, we use it for the unique snapshot timestamp and to
// locate build number
long timestamp = context.getTimestamp();
String uniqueTimestamp = MavenModelUtils.dateToUniqueSnapshotTimestamp(new Date(timestamp));
RepoPath repoPath = context.getRepoPath();
String existingArtifact = findSnapshotFileByTimestamp(repoPath.getParent(), uniqueTimestamp);
int buildNumber;
if (existingArtifact != null) {
buildNumber = MavenNaming.getUniqueSnapshotVersionBuildNumber(existingArtifact);
} else {
buildNumber = getLastBuildNumber(repoPath) + 1;
}
return buildUniqueSnapshotFileName(buildNumber, uniqueTimestamp, context.getModuleInfo());
}
private String adjustUsingServerData(MavenSnapshotVersionAdapterContext context) {
// Get the latest build number from the metadata
RepoPath repoPath = context.getRepoPath();
String filePath = repoPath.getPath();
int metadataBuildNumber = getLastBuildNumber(repoPath);
int nextBuildNumber = metadataBuildNumber + 1;
RepoPath parentPath = repoPath.getParent();
// determine if the next build number should be the one read from the metadata
ModuleInfo moduleInfo = context.getModuleInfo();
String classifier = moduleInfo.getClassifier();
boolean isPomChecksum =
MavenNaming.isChecksum(filePath) && MavenNaming.isPom(PathUtils.stripExtension(filePath));
if (metadataBuildNumber > 0 && (StringUtils.isNotBlank(classifier) || isPomChecksum)) {
// pom checksums and artifacts with classifier are always deployed after the pom (which
// triggers the
// maven-metadata.xml calculation) so use the metadata build number
nextBuildNumber = metadataBuildNumber;
}
if (metadataBuildNumber > 0 && MavenNaming.isPom(filePath)) {
// the metadata might already represent an existing main artifact (in case the
// maven-metadata.xml was deployed after the main artifact and before the pom/classifier)
// so first check if there's already a file with the next build number
if (findSnapshotFileByBuildNumber(parentPath, metadataBuildNumber + 1) == null) {
// no files deployed with the next build number so either this is a pom deployment (parent
// pom)
// or this is a pom of a main artifact for which the maven-metadata.xml was deployed before
// this pom
if (findSnapshotPomFile(parentPath, metadataBuildNumber) == null) {
// this is a pom attached to a main artifact deployed after maven-metadata.xml
nextBuildNumber = metadataBuildNumber;
}
}
}
String timestamp = getSnapshotTimestamp(parentPath, nextBuildNumber);
if (timestamp == null) {
// probably the first deployed file for this build, use now for the timestamp
timestamp = MavenModelUtils.dateToUniqueSnapshotTimestamp(new Date());
}
return buildUniqueSnapshotFileName(nextBuildNumber, timestamp, moduleInfo);
}
private String adjustChecksum(MavenSnapshotVersionAdapterContext context) {
// find latest unique file matching the checksum coordinates
RepositoryService repoService = ContextHelper.get().getRepositoryService();
RepoPath repoPath = context.getRepoPath();
RepoPath parentRepoPath = repoPath.getParent();
RepoDescriptor repoDescriptor = repoService.repoDescriptorByKey(parentRepoPath.getRepoKey());
RepoLayout repoLayout = repoDescriptor.getRepoLayout();
String latestMatching = null;
String originalChecksumRequestPath = repoPath.getPath();
String originalRequestPathWithNoChecksum =
PathUtils.stripExtension(originalChecksumRequestPath);
if (repoService.exists(parentRepoPath)) {
List<String> children = repoService.getChildrenNames(parentRepoPath);
for (String child : children) {
if (MavenNaming.isUniqueSnapshotFileName(child)) {
ModuleInfo childModule =
repoService.getItemModuleInfo(InternalRepoPathFactory.create(parentRepoPath, child));
String fileRevisionIntegration = childModule.getFileIntegrationRevision();
// Try to construct a new non-unique path as a descriptor
String nonUniquePath =
replaceIntegration(
ModuleInfoUtils.constructDescriptorPath(childModule, repoLayout, true),
fileRevisionIntegration);
// If the path as a descriptor doesn't match, perhaps it's an artifact path
if (!nonUniquePath.equals(originalRequestPathWithNoChecksum)) {
// Try to construct a new non-unique path as an artifact
nonUniquePath =
replaceIntegration(
ModuleInfoUtils.constructArtifactPath(childModule, repoLayout),
fileRevisionIntegration);
}
if (nonUniquePath.equals(originalRequestPathWithNoChecksum)) {
if (latestMatching == null
|| MavenNaming.getUniqueSnapshotVersionBuildNumber(latestMatching)
< MavenNaming.getUniqueSnapshotVersionBuildNumber(child)) {
latestMatching = child;
}
}
}
}
}
// if latest not found, return invalid path which will fail and return a message to the client
String timestamp =
latestMatching != null
? MavenNaming.getUniqueSnapshotVersionTimestamp(latestMatching)
: System.currentTimeMillis() + "";
int buildNumber =
latestMatching != null
? MavenNaming.getUniqueSnapshotVersionBuildNumber(latestMatching)
: 0;
// use the timestamp and build number from it. if not found return something that will fail?
return buildUniqueSnapshotFileName(buildNumber, timestamp, context.getModuleInfo());
}