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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.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;
/**
* @author Benjamin Bentmann
*/
class RemoteSnapshotMetadataGenerator
implements MetadataGenerator
{
private final Map<Object, RemoteSnapshotMetadata> snapshots;
private final boolean legacyFormat;
public RemoteSnapshotMetadataGenerator( RepositorySystemSession session, DeployRequest request )
{
legacyFormat = ConfigUtils.getBoolean( session.getConfigProperties(), false, "maven.metadata.legacy" );
snapshots = new LinkedHashMap<Object, RemoteSnapshotMetadata>();
/*
* 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 );
}
}
}
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, legacyFormat );
snapshots.put( key, snapshotMetadata );
}
snapshotMetadata.bind( artifact );
}
}
return snapshots.values();
}
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;
}
public Collection<? extends Metadata> finish( Collection<? extends Artifact> artifacts )
{
return Collections.emptyList();
}
}
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