| package org.apache.maven.repository.internal; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| 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; |
| |
| /** |
| * @author Benjamin Bentmann |
| */ |
| class VersionsMetadataGenerator |
| implements MetadataGenerator |
| { |
| |
| private Map<Object, VersionsMetadata> versions; |
| |
| private Map<Object, VersionsMetadata> processedVersions; |
| |
| 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<>(); |
| |
| /* |
| * 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 ); |
| } |
| } |
| } |
| |
| public Collection<? extends Metadata> prepare( Collection<? extends Artifact> artifacts ) |
| { |
| return Collections.emptyList(); |
| } |
| |
| public Artifact transformArtifact( Artifact artifact ) |
| { |
| return artifact; |
| } |
| |
| 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 ); |
| versions.put( key, versionsMetadata ); |
| } |
| } |
| } |
| |
| return versions.values(); |
| } |
| |
| } |