/** * 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); } }