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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.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import org.apache.maven.model.Parent;
import org.apache.maven.model.Repository;
import org.apache.maven.model.building.FileModelSource;
import org.apache.maven.model.building.ModelSource;
import org.apache.maven.model.resolution.InvalidRepositoryException;
import org.apache.maven.model.resolution.ModelResolver;
import org.apache.maven.model.resolution.UnresolvableModelException;
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.impl.ArtifactResolver;
import org.eclipse.aether.impl.RemoteRepositoryManager;
import org.eclipse.aether.impl.VersionRangeResolver;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.resolution.ArtifactRequest;
import org.eclipse.aether.resolution.ArtifactResolutionException;
import org.eclipse.aether.resolution.VersionRangeRequest;
import org.eclipse.aether.resolution.VersionRangeResolutionException;
import org.eclipse.aether.resolution.VersionRangeResult;
/**
* A model resolver to assist building of dependency POMs. This resolver gives priority to those repositories that have
* been initially specified and repositories discovered in dependency POMs are recessively merged into the search chain.
*
* @author Benjamin Bentmann
* @see DefaultArtifactDescriptorReader
*/
class DefaultModelResolver
implements ModelResolver
{
private final RepositorySystemSession session;
private final RequestTrace trace;
private final String context;
private List<RemoteRepository> repositories;
private final List<RemoteRepository> externalRepositories;
private final ArtifactResolver resolver;
private final VersionRangeResolver versionRangeResolver;
private final RemoteRepositoryManager remoteRepositoryManager;
private final Set<String> repositoryIds;
public DefaultModelResolver( RepositorySystemSession session, RequestTrace trace, String context,
ArtifactResolver resolver, VersionRangeResolver versionRangeResolver,
RemoteRepositoryManager remoteRepositoryManager, List<RemoteRepository> repositories )
{
this.session = session;
this.trace = trace;
this.context = context;
this.resolver = resolver;
this.versionRangeResolver = versionRangeResolver;
this.remoteRepositoryManager = remoteRepositoryManager;
this.repositories = repositories;
List<RemoteRepository> externalRepositories = new ArrayList<RemoteRepository>();
externalRepositories.addAll( repositories );
this.externalRepositories = Collections.unmodifiableList( externalRepositories );
this.repositoryIds = new HashSet<String>();
}
private DefaultModelResolver( DefaultModelResolver original )
{
this.session = original.session;
this.trace = original.trace;
this.context = original.context;
this.resolver = original.resolver;
this.versionRangeResolver = original.versionRangeResolver;
this.remoteRepositoryManager = original.remoteRepositoryManager;
this.repositories = new ArrayList<RemoteRepository>( original.repositories );
this.externalRepositories = original.externalRepositories;
this.repositoryIds = new HashSet<String>( original.repositoryIds );
}
@Override
public void addRepository( Repository repository )
throws InvalidRepositoryException
{
addRepository( repository, false );
}
@Override
public void addRepository( final Repository repository, boolean replace )
throws InvalidRepositoryException
{
if ( session.isIgnoreArtifactDescriptorRepositories() )
{
return;
}
if ( !repositoryIds.add( repository.getId() ) )
{
if ( !replace )
{
return;
}
removeMatchingRepository( repositories, repository.getId() );
}
List<RemoteRepository> newRepositories =
Collections.singletonList( ArtifactDescriptorUtils.toRemoteRepository( repository ) );
this.repositories =
remoteRepositoryManager.aggregateRepositories( session, repositories, newRepositories, true );
}
private static void removeMatchingRepository( Iterable<RemoteRepository> repositories, final String id )
{
Iterables.removeIf( repositories, new Predicate<RemoteRepository>()
{
@Override
public boolean apply( RemoteRepository remoteRepository )
{
return remoteRepository.getId().equals( id );
}
} );
}
@Override
public ModelResolver newCopy()
{
return new DefaultModelResolver( this );
}
@Override
public ModelSource resolveModel( String groupId, String artifactId, String version )
throws UnresolvableModelException
{
Artifact pomArtifact = new DefaultArtifact( groupId, artifactId, "", "pom", version );
try
{
ArtifactRequest request = new ArtifactRequest( pomArtifact, repositories, context );
request.setTrace( trace );
pomArtifact = resolver.resolveArtifact( session, request ).getArtifact();
}
catch ( ArtifactResolutionException e )
{
throw new UnresolvableModelException( e.getMessage(), groupId, artifactId, version, e );
}
File pomFile = pomArtifact.getFile();
return new FileModelSource( pomFile );
}
public ModelSource resolveModel( Parent parent )
throws UnresolvableModelException
{
Artifact artifact = new DefaultArtifact( parent.getGroupId(), parent.getArtifactId(), "", "pom",
parent.getVersion() );
VersionRangeRequest versionRangeRequest = new VersionRangeRequest( artifact, repositories, context );
versionRangeRequest.setTrace( trace );
try
{
VersionRangeResult versionRangeResult =
versionRangeResolver.resolveVersionRange( session, versionRangeRequest );
if ( versionRangeResult.getHighestVersion() == null )
{
throw new UnresolvableModelException( "No versions matched the requested range '" + parent.getVersion()
+ "'", parent.getGroupId(), parent.getArtifactId(),
parent.getVersion() );
}
if ( versionRangeResult.getVersionConstraint() != null
&& versionRangeResult.getVersionConstraint().getRange() != null
&& versionRangeResult.getVersionConstraint().getRange().getUpperBound() == null )
{
throw new UnresolvableModelException( "The requested version range '" + parent.getVersion()
+ "' does not specify an upper bound", parent.getGroupId(),
parent.getArtifactId(), parent.getVersion() );
}
parent.setVersion( versionRangeResult.getHighestVersion().toString() );
}
catch ( VersionRangeResolutionException e )
{
throw new UnresolvableModelException( e.getMessage(), parent.getGroupId(), parent.getArtifactId(),
parent.getVersion(), e );
}
return resolveModel( parent.getGroupId(), parent.getArtifactId(), parent.getVersion() );
}
}
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