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package org.apache.maven.cli.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.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Named;
import org.apache.maven.RepositoryUtils;
import org.apache.maven.cli.internal.extension.model.CoreExtension;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.extension.internal.CoreExtensionEntry;
import org.apache.maven.internal.aether.DefaultRepositorySystemSessionFactory;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.PluginResolutionException;
import org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver;
import org.codehaus.plexus.DefaultPlexusContainer;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.classworlds.ClassWorld;
import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.graph.DependencyFilter;
import org.eclipse.aether.graph.DependencyNode;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.util.filter.ExclusionsDependencyFilter;
import org.eclipse.aether.util.graph.visitor.PreorderNodeListGenerator;
@Named
public class BootstrapCoreExtensionManager
{
private final Logger log;
private final DefaultPluginDependenciesResolver pluginDependenciesResolver;
private final DefaultRepositorySystemSessionFactory repositorySystemSessionFactory;
private final ClassWorld classWorld;
private final ClassRealm parentRealm;
@Inject
public BootstrapCoreExtensionManager( Logger log, DefaultPluginDependenciesResolver pluginDependenciesResolver,
DefaultRepositorySystemSessionFactory repositorySystemSessionFactory,
PlexusContainer container )
{
this.log = log;
this.pluginDependenciesResolver = pluginDependenciesResolver;
this.repositorySystemSessionFactory = repositorySystemSessionFactory;
this.classWorld = ( (DefaultPlexusContainer) container ).getClassWorld();
this.parentRealm = container.getContainerRealm();
}
public List<CoreExtensionEntry> loadCoreExtensions( MavenExecutionRequest request, Set<String> providedArtifacts,
List<CoreExtension> extensions )
throws Exception
{
RepositorySystemSession repoSession = repositorySystemSessionFactory.newRepositorySession( request );
List<RemoteRepository> repositories = RepositoryUtils.toRepos( request.getPluginArtifactRepositories() );
return resolveCoreExtensions( repoSession, repositories, providedArtifacts, extensions );
}
private List<CoreExtensionEntry> resolveCoreExtensions( RepositorySystemSession repoSession,
List<RemoteRepository> repositories,
Set<String> providedArtifacts,
List<CoreExtension> configuration )
throws Exception
{
List<CoreExtensionEntry> extensions = new ArrayList<CoreExtensionEntry>();
DependencyFilter dependencyFilter = new ExclusionsDependencyFilter( providedArtifacts );
for ( CoreExtension extension : configuration )
{
List<Artifact> artifacts = resolveExtension( extension, repoSession, repositories, dependencyFilter );
if ( !artifacts.isEmpty() )
{
extensions.add( createExtension( extension, artifacts ) );
}
}
return Collections.unmodifiableList( extensions );
}
private CoreExtensionEntry createExtension( CoreExtension extension, List<Artifact> artifacts )
throws Exception
{
String realmId =
"coreExtension>" + extension.getGroupId() + ":" + extension.getArtifactId() + ":" + extension.getVersion();
ClassRealm realm = classWorld.newRealm( realmId, null );
log.debug( "Populating class realm " + realm.getId() );
realm.setParentRealm( parentRealm );
for ( Artifact artifact : artifacts )
{
File file = artifact.getFile();
log.debug( " Included " + file );
realm.addURL( file.toURI().toURL() );
}
return CoreExtensionEntry.discoverFrom( realm, Collections.singleton( artifacts.get( 0 ).getFile() ) );
}
private List<Artifact> resolveExtension( CoreExtension extension, RepositorySystemSession repoSession,
List<RemoteRepository> repositories, DependencyFilter dependencyFilter )
throws PluginResolutionException
{
Plugin plugin = new Plugin();
plugin.setGroupId( extension.getGroupId() );
plugin.setArtifactId( extension.getArtifactId() );
plugin.setVersion( extension.getVersion() );
DependencyNode root =
pluginDependenciesResolver.resolveCoreExtension( plugin, dependencyFilter, repositories, repoSession );
PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
root.accept( nlg );
List<Artifact> artifacts = nlg.getArtifacts( false );
return artifacts;
}
}
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