| /* |
| * 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.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.metadata.Metadata; |
| import org.eclipse.aether.util.ConfigUtils; |
| |
| /** |
| * Maven remote GAV level metadata generator. |
| * <p> |
| * Remote snapshot metadata converts artifact on-the-fly to use timestamped snapshot version, and enlist it accordingly. |
| */ |
| class RemoteSnapshotMetadataGenerator implements MetadataGenerator { |
| |
| private final Map<Object, RemoteSnapshotMetadata> snapshots; |
| |
| private final Date timestamp; |
| |
| RemoteSnapshotMetadataGenerator(RepositorySystemSession session, DeployRequest request) { |
| timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime"); |
| |
| snapshots = new LinkedHashMap<>(); |
| |
| /* |
| * 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 timestamp+buildno for the snapshot versions. 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 (Metadata metadata : request.getMetadata()) { |
| if (metadata instanceof RemoteSnapshotMetadata) { |
| RemoteSnapshotMetadata snapshotMetadata = (RemoteSnapshotMetadata) metadata; |
| snapshots.put(snapshotMetadata.getKey(), snapshotMetadata); |
| } |
| } |
| } |
| |
| @Override |
| public Collection<? extends Metadata> prepare(Collection<? extends Artifact> artifacts) { |
| for (Artifact artifact : artifacts) { |
| if (artifact.isSnapshot()) { |
| Object key = RemoteSnapshotMetadata.getKey(artifact); |
| RemoteSnapshotMetadata snapshotMetadata = snapshots.get(key); |
| if (snapshotMetadata == null) { |
| snapshotMetadata = new RemoteSnapshotMetadata(artifact, timestamp); |
| snapshots.put(key, snapshotMetadata); |
| } |
| snapshotMetadata.bind(artifact); |
| } |
| } |
| |
| return snapshots.values(); |
| } |
| |
| @Override |
| public Artifact transformArtifact(Artifact artifact) { |
| if (artifact.isSnapshot() && artifact.getVersion().equals(artifact.getBaseVersion())) { |
| Object key = RemoteSnapshotMetadata.getKey(artifact); |
| RemoteSnapshotMetadata snapshotMetadata = snapshots.get(key); |
| if (snapshotMetadata != null) { |
| artifact = artifact.setVersion(snapshotMetadata.getExpandedVersion(artifact)); |
| } |
| } |
| |
| return artifact; |
| } |
| |
| @Override |
| public Collection<? extends Metadata> finish(Collection<? extends Artifact> artifacts) { |
| return Collections.emptyList(); |
| } |
| } |