| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.maven.repository.internal; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import org.eclipse.aether.RepositorySystemSession; |
| import org.eclipse.aether.artifact.Artifact; |
| import org.eclipse.aether.deployment.DeployRequest; |
| import org.eclipse.aether.impl.MetadataGenerator; |
| import org.eclipse.aether.installation.InstallRequest; |
| import org.eclipse.aether.metadata.Metadata; |
| import org.eclipse.aether.util.ConfigUtils; |
| |
| /** |
| * Maven GA level metadata generator. |
| * |
| * Version metadata contains list of existing baseVersions within this GA. |
| */ |
| class VersionsMetadataGenerator implements MetadataGenerator { |
| |
| private final Map<Object, VersionsMetadata> versions; |
| |
| private final Map<Object, VersionsMetadata> processedVersions; |
| |
| private final Date timestamp; |
| |
| VersionsMetadataGenerator(RepositorySystemSession session, InstallRequest request) { |
| this(session, request.getMetadata()); |
| } |
| |
| VersionsMetadataGenerator(RepositorySystemSession session, DeployRequest request) { |
| this(session, request.getMetadata()); |
| } |
| |
| private VersionsMetadataGenerator(RepositorySystemSession session, Collection<? extends Metadata> metadatas) { |
| versions = new LinkedHashMap<>(); |
| processedVersions = new LinkedHashMap<>(); |
| timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime"); |
| |
| /* |
| * NOTE: This should be considered a quirk to support interop with Maven's legacy ArtifactDeployer which |
| * processes one artifact at a time and hence cannot associate the artifacts from the same project to use the |
| * same version index. Allowing the caller to pass in metadata from a previous deployment allows to re-establish |
| * the association between the artifacts of the same project. |
| */ |
| for (Iterator<? extends Metadata> it = metadatas.iterator(); it.hasNext(); ) { |
| Metadata metadata = it.next(); |
| if (metadata instanceof VersionsMetadata) { |
| it.remove(); |
| VersionsMetadata versionsMetadata = (VersionsMetadata) metadata; |
| processedVersions.put(versionsMetadata.getKey(), versionsMetadata); |
| } |
| } |
| } |
| |
| @Override |
| public Collection<? extends Metadata> prepare(Collection<? extends Artifact> artifacts) { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public Artifact transformArtifact(Artifact artifact) { |
| return artifact; |
| } |
| |
| @Override |
| public Collection<? extends Metadata> finish(Collection<? extends Artifact> artifacts) { |
| for (Artifact artifact : artifacts) { |
| Object key = VersionsMetadata.getKey(artifact); |
| if (processedVersions.get(key) == null) { |
| VersionsMetadata versionsMetadata = versions.get(key); |
| if (versionsMetadata == null) { |
| versionsMetadata = new VersionsMetadata(artifact, timestamp); |
| versions.put(key, versionsMetadata); |
| } |
| } |
| } |
| |
| return versions.values(); |
| } |
| } |