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package org.apache.maven.plugin.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.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.apache.maven.RepositoryUtils;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.PluginResolutionException;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.RequestTrace;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.artifact.DefaultArtifact;
import org.eclipse.aether.collection.CollectRequest;
import org.eclipse.aether.collection.DependencyCollectionException;
import org.eclipse.aether.collection.DependencyGraphTransformer;
import org.eclipse.aether.collection.DependencySelector;
import org.eclipse.aether.graph.DependencyFilter;
import org.eclipse.aether.graph.DependencyNode;
import org.eclipse.aether.graph.DependencyVisitor;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.resolution.ArtifactDescriptorException;
import org.eclipse.aether.resolution.ArtifactDescriptorRequest;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;
import org.eclipse.aether.resolution.ArtifactRequest;
import org.eclipse.aether.resolution.ArtifactResolutionException;
import org.eclipse.aether.resolution.DependencyRequest;
import org.eclipse.aether.resolution.DependencyResolutionException;
import org.eclipse.aether.util.artifact.JavaScopes;
import org.eclipse.aether.util.filter.AndDependencyFilter;
import org.eclipse.aether.util.filter.ScopeDependencyFilter;
import org.eclipse.aether.util.graph.selector.AndDependencySelector;
import org.eclipse.aether.util.graph.transformer.ChainedDependencyGraphTransformer;
import org.eclipse.aether.util.repository.SimpleArtifactDescriptorPolicy;
/**
* Assists in resolving the dependencies of a plugin. <strong>Warning:</strong> This is an internal utility class that
* is only public for technical reasons, it is not part of the public API. In particular, this class can be changed or
* deleted without prior notice.
*
* @since 3.0
* @author Benjamin Bentmann
*/
@Component( role = PluginDependenciesResolver.class )
public class DefaultPluginDependenciesResolver
implements PluginDependenciesResolver
{
private static final String REPOSITORY_CONTEXT = "plugin";
@Requirement
private Logger logger;
@Requirement
private RepositorySystem repoSystem;
private Artifact toArtifact( Plugin plugin, RepositorySystemSession session )
{
return new DefaultArtifact( plugin.getGroupId(), plugin.getArtifactId(), null, "jar", plugin.getVersion(),
session.getArtifactTypeRegistry().get( "maven-plugin" ) );
}
public Artifact resolve( Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session )
throws PluginResolutionException
{
RequestTrace trace = RequestTrace.newChild( null, plugin );
Artifact pluginArtifact = toArtifact( plugin, session );
try
{
DefaultRepositorySystemSession pluginSession = new DefaultRepositorySystemSession( session );
pluginSession.setArtifactDescriptorPolicy( new SimpleArtifactDescriptorPolicy( true, false ) );
ArtifactDescriptorRequest request =
new ArtifactDescriptorRequest( pluginArtifact, repositories, REPOSITORY_CONTEXT );
request.setTrace( trace );
ArtifactDescriptorResult result = repoSystem.readArtifactDescriptor( pluginSession, request );
pluginArtifact = result.getArtifact();
String requiredMavenVersion = (String) result.getProperties().get( "prerequisites.maven" );
if ( requiredMavenVersion != null )
{
Map<String, String> props = new LinkedHashMap<String, String>( pluginArtifact.getProperties() );
props.put( "requiredMavenVersion", requiredMavenVersion );
pluginArtifact = pluginArtifact.setProperties( props );
}
}
catch ( ArtifactDescriptorException e )
{
throw new PluginResolutionException( plugin, e );
}
try
{
ArtifactRequest request = new ArtifactRequest( pluginArtifact, repositories, REPOSITORY_CONTEXT );
request.setTrace( trace );
pluginArtifact = repoSystem.resolveArtifact( session, request ).getArtifact();
}
catch ( ArtifactResolutionException e )
{
throw new PluginResolutionException( plugin, e );
}
return pluginArtifact;
}
/**
* @since 3.3.0
*/
public DependencyNode resolveCoreExtension( Plugin plugin, DependencyFilter dependencyFilter,
List<RemoteRepository> repositories, RepositorySystemSession session )
throws PluginResolutionException
{
return resolveInternal( plugin, null /* pluginArtifact */, dependencyFilter, null /* transformer */,
repositories, session );
}
public DependencyNode resolve( Plugin plugin, Artifact pluginArtifact, DependencyFilter dependencyFilter,
List<RemoteRepository> repositories, RepositorySystemSession session )
throws PluginResolutionException
{
return resolveInternal( plugin, pluginArtifact, dependencyFilter, new PlexusUtilsInjector(), repositories,
session );
}
private DependencyNode resolveInternal( Plugin plugin, Artifact pluginArtifact, DependencyFilter dependencyFilter,
DependencyGraphTransformer transformer,
List<RemoteRepository> repositories, RepositorySystemSession session )
throws PluginResolutionException
{
RequestTrace trace = RequestTrace.newChild( null, plugin );
if ( pluginArtifact == null )
{
pluginArtifact = toArtifact( plugin, session );
}
DependencyFilter collectionFilter = new ScopeDependencyFilter( "provided", "test" );
DependencyFilter resolutionFilter = AndDependencyFilter.newInstance( collectionFilter, dependencyFilter );
DependencyNode node;
try
{
DependencySelector selector =
AndDependencySelector.newInstance( session.getDependencySelector(), new WagonExcluder() );
transformer =
ChainedDependencyGraphTransformer.newInstance( session.getDependencyGraphTransformer(), transformer );
DefaultRepositorySystemSession pluginSession = new DefaultRepositorySystemSession( session );
pluginSession.setDependencySelector( selector );
pluginSession.setDependencyGraphTransformer( transformer );
CollectRequest request = new CollectRequest();
request.setRequestContext( REPOSITORY_CONTEXT );
request.setRepositories( repositories );
request.setRoot( new org.eclipse.aether.graph.Dependency( pluginArtifact, null ) );
for ( Dependency dependency : plugin.getDependencies() )
{
org.eclipse.aether.graph.Dependency pluginDep =
RepositoryUtils.toDependency( dependency, session.getArtifactTypeRegistry() );
if ( !JavaScopes.SYSTEM.equals( pluginDep.getScope() ) )
{
pluginDep = pluginDep.setScope( JavaScopes.RUNTIME );
}
request.addDependency( pluginDep );
}
DependencyRequest depRequest = new DependencyRequest( request, resolutionFilter );
depRequest.setTrace( trace );
request.setTrace( RequestTrace.newChild( trace, depRequest ) );
node = repoSystem.collectDependencies( pluginSession, request ).getRoot();
if ( logger.isDebugEnabled() )
{
node.accept( new GraphLogger() );
}
depRequest.setRoot( node );
repoSystem.resolveDependencies( session, depRequest );
}
catch ( DependencyCollectionException e )
{
throw new PluginResolutionException( plugin, e );
}
catch ( DependencyResolutionException e )
{
throw new PluginResolutionException( plugin, e.getCause() );
}
return node;
}
class GraphLogger
implements DependencyVisitor
{
private String indent = "";
public boolean visitEnter( DependencyNode node )
{
StringBuilder buffer = new StringBuilder( 128 );
buffer.append( indent );
org.eclipse.aether.graph.Dependency dep = node.getDependency();
if ( dep != null )
{
Artifact art = dep.getArtifact();
buffer.append( art );
buffer.append( ':' ).append( dep.getScope() );
}
logger.debug( buffer.toString() );
indent += " ";
return true;
}
public boolean visitLeave( DependencyNode node )
{
indent = indent.substring( 0, indent.length() - 3 );
return true;
}
}
}
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