/**
* Generates the maven-metadata.xml file dynamically for a given groupId/artifactId pair. This
* will list all of the versions available for that groupId+artifactId, along with the latest
* release and snapshot versions.
*
* @param gavInfo
* @param inputData
* @throws ResourceDoesNotExistException
*/
private void doGenerateArtifactDirMavenMetaData(MavenGavInfo gavInfo, InputData inputData)
throws ResourceDoesNotExistException {
// See the comment in {@link SrampWagon#fillInputData(InputData)} about why we're doing this
// context classloader magic.
ClassLoader oldCtxCL = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(SrampWagon.class.getClassLoader());
try {
String artyPath = gavInfo.getFullName();
if (gavInfo.isHash()) {
artyPath = artyPath.substring(0, artyPath.lastIndexOf('.'));
}
SrampArchiveEntry entry = this.archive.getEntry(artyPath);
if (entry == null) {
QueryResultSet resultSet =
client
.buildQuery("/s-ramp[@maven.groupId = ? and @maven.artifactId = ?]") // $NON-NLS-1$
.parameter(gavInfo.getGroupId())
.parameter(gavInfo.getArtifactId())
.propertyName("maven.version") // $NON-NLS-1$
.count(500)
.orderBy("createdTimestamp")
.ascending()
.query(); //$NON-NLS-1$
if (resultSet.size() == 0) {
throw new Exception(Messages.i18n.format("NO_ARTIFACTS_FOUND")); // $NON-NLS-1$
}
String groupId = gavInfo.getGroupId();
String artifactId = gavInfo.getArtifactId();
String latest = null;
String release = null;
String lastUpdated = null;
LinkedHashSet<String> versions = new LinkedHashSet<String>();
SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss"); // $NON-NLS-1$
for (ArtifactSummary artifactSummary : resultSet) {
String version = artifactSummary.getCustomPropertyValue("maven.version"); // $NON-NLS-1$
if (versions.add(version)) {
latest = version;
if (!version.endsWith("-SNAPSHOT")) { // $NON-NLS-1$
release = version;
}
}
lastUpdated = format.format(artifactSummary.getCreatedTimestamp());
}
StringBuilder mavenMetadata = new StringBuilder();
mavenMetadata.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); // $NON-NLS-1$
mavenMetadata.append("<metadata>\n"); // $NON-NLS-1$
mavenMetadata
.append(" <groupId>")
.append(groupId)
.append("</groupId>\n"); // $NON-NLS-1$ //$NON-NLS-2$
mavenMetadata
.append(" <artifactId>")
.append(artifactId)
.append("</artifactId>\n"); // $NON-NLS-1$ //$NON-NLS-2$
mavenMetadata.append(" <versioning>\n"); // $NON-NLS-1$
mavenMetadata
.append(" <latest>")
.append(latest)
.append("</latest>\n"); // $NON-NLS-1$ //$NON-NLS-2$
mavenMetadata
.append(" <release>")
.append(release)
.append("</release>\n"); // $NON-NLS-1$ //$NON-NLS-2$
mavenMetadata.append(" <versions>\n"); // $NON-NLS-1$
for (String version : versions) {
mavenMetadata
.append(" <version>")
.append(version)
.append("</version>\n"); // $NON-NLS-1$ //$NON-NLS-2$
}
mavenMetadata.append(" </versions>\n"); // $NON-NLS-1$
mavenMetadata
.append(" <lastUpdated>")
.append(lastUpdated)
.append("</lastUpdated>\n"); // $NON-NLS-1$ //$NON-NLS-2$
mavenMetadata.append(" </versioning>\n"); // $NON-NLS-1$
mavenMetadata.append("</metadata>\n"); // $NON-NLS-1$
BaseArtifactType artifact =
ArtifactType.ExtendedDocument("MavenMetaData").newArtifactInstance(); // $NON-NLS-1$
this.archive.addEntry(artyPath, artifact, IOUtils.toInputStream(mavenMetadata.toString()));
entry = this.archive.getEntry(artyPath);
}
if (!gavInfo.isHash()) {
inputData.setInputStream(this.archive.getInputStream(entry));
} else {
String hash = generateHash(this.archive.getInputStream(entry), gavInfo.getHashAlgorithm());
inputData.setInputStream(IOUtils.toInputStream(hash));
}
} catch (Exception e) {
throw new ResourceDoesNotExistException(
Messages.i18n.format("FAILED_TO_GENERATE_METADATA"), e); // $NON-NLS-1$
} finally {
Thread.currentThread().setContextClassLoader(oldCtxCL);
}
}
