/**
* @param snapshotDirectoryPath Path to a repository snapshot directory (eg, /a/path/1.0-SNAPSHOT)
* @param buildNumber The file with build number to search for or 0 if doesn't matter
* @param timestamp The file with timestamp to search for or null if doesn't matter
* @param fileExtension The file type to search for. Use null for any type
* @return The path of the first unique snapshot file with the input build number.
*/
private String findSnapshotFile(
RepoPath snapshotDirectoryPath, int buildNumber, String timestamp, String fileExtension) {
log.debug(
"Searching for unique snapshot file in {} with build number {} and timestamp {}",
new Object[] {snapshotDirectoryPath, buildNumber, timestamp});
RepositoryService repoService = ContextHelper.get().getRepositoryService();
if (repoService.exists(snapshotDirectoryPath)) {
List<String> children = repoService.getChildrenNames(snapshotDirectoryPath);
for (String child : children) {
if (MavenNaming.isUniqueSnapshotFileName(child)) {
// now match against all the conditions
boolean buildNumberMatches =
buildNumber == 0
|| buildNumber == MavenNaming.getUniqueSnapshotVersionBuildNumber(child);
boolean timestampMatches =
timestamp == null
|| timestamp.equals(MavenNaming.getUniqueSnapshotVersionTimestamp(child));
boolean typeMatches =
fileExtension == null || fileExtension.equals(PathUtils.getExtension(child));
if (buildNumberMatches && timestampMatches && typeMatches) {
// passed all the search requirements...
log.debug("Found unique snapshot: {}", child);
return child;
}
}
}
}
log.debug(
"Unique snapshot file not found in {} for build number {}",
snapshotDirectoryPath,
buildNumber);
return null;
}
@Override
protected String adapt(MavenSnapshotVersionAdapterContext context) {
String path = context.getRepoPath().getPath();
String fileName = PathUtils.getFileName(path);
if (MavenNaming.isUniqueSnapshotFileName(fileName)) {
log.debug(
"File '{}' has already a unique snapshot version. Returning the original path.",
fileName);
return path;
}
String pathBaseVersion = context.getModuleInfo().getBaseRevision();
if (!fileName.contains(pathBaseVersion + "-" + MavenNaming.SNAPSHOT)) {
log.debug(
"File '{}' doesn't contain the non-unique snapshot version {}. "
+ "Returning the original path.",
fileName,
pathBaseVersion);
return path;
}
// Replace 'SNAPSHOT' with version timestamp for unique snapshot repo
return adjustNonUniqueSnapshotToUnique(context);
}
/**
* @param snapshotDirectoryPath Path to a repository snapshot directory (eg, /a/path/1.0-SNAPSHOT)
* @param buildNumber The file with build number to search for
* @return The timestamp of the unique snapshot file with the input build number.
*/
private String getSnapshotTimestamp(RepoPath snapshotDirectoryPath, int buildNumber) {
String snapshotFile = findSnapshotFileByBuildNumber(snapshotDirectoryPath, buildNumber);
if (snapshotFile != null) {
int childBuildNumber = MavenNaming.getUniqueSnapshotVersionBuildNumber(snapshotFile);
if (childBuildNumber == buildNumber) {
String timestamp = MavenNaming.getUniqueSnapshotVersionTimestamp(snapshotFile);
log.debug("Extracted timestamp {} from {}", timestamp, snapshotFile);
return timestamp;
}
}
log.debug(
"Snapshot timestamp not found in {} for build number {}",
snapshotDirectoryPath,
buildNumber);
return null;
}
private String adjustNonUniqueSnapshotToUnique(MavenSnapshotVersionAdapterContext context) {
long timestamp = context.getTimestamp();
if (timestamp > 0) {
return adjustUsingClientTimestamp(context);
} else if (MavenNaming.isChecksum(context.getRepoPath().getPath())) {
return adjustChecksum(context);
} else {
return adjustUsingServerData(context);
}
}
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 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 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());
}