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/*
* Copyright 2011 Red Hat, Inc.
*
* Licensed 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.
*/
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 org.apache.maven.mae.project.session.ProjectToolsSession;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.model.DistributionManagement;
import org.apache.maven.model.License;
import org.apache.maven.model.Model;
import org.apache.maven.model.Prerequisites;
import org.apache.maven.model.Relocation;
import org.apache.maven.model.Repository;
import org.apache.maven.model.building.DefaultModelBuilderFactory;
import org.apache.maven.model.building.DefaultModelBuildingRequest;
import org.apache.maven.model.building.FileModelSource;
import org.apache.maven.model.building.ModelBuilder;
import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.resolution.UnresolvableModelException;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.sonatype.aether.RepositoryEvent.EventType;
import org.sonatype.aether.RepositoryException;
import org.sonatype.aether.RepositoryListener;
import org.sonatype.aether.RepositorySystemSession;
import org.sonatype.aether.RequestTrace;
import org.sonatype.aether.artifact.Artifact;
import org.sonatype.aether.artifact.ArtifactType;
import org.sonatype.aether.artifact.ArtifactTypeRegistry;
import org.sonatype.aether.graph.Dependency;
import org.sonatype.aether.graph.Exclusion;
import org.sonatype.aether.impl.ArtifactDescriptorReader;
import org.sonatype.aether.impl.ArtifactResolver;
import org.sonatype.aether.impl.RemoteRepositoryManager;
import org.sonatype.aether.impl.VersionResolver;
import org.sonatype.aether.repository.WorkspaceRepository;
import org.sonatype.aether.resolution.ArtifactDescriptorException;
import org.sonatype.aether.resolution.ArtifactDescriptorRequest;
import org.sonatype.aether.resolution.ArtifactDescriptorResult;
import org.sonatype.aether.resolution.ArtifactRequest;
import org.sonatype.aether.resolution.ArtifactResolutionException;
import org.sonatype.aether.resolution.ArtifactResult;
import org.sonatype.aether.resolution.VersionRequest;
import org.sonatype.aether.resolution.VersionResolutionException;
import org.sonatype.aether.resolution.VersionResult;
import org.sonatype.aether.spi.locator.Service;
import org.sonatype.aether.spi.locator.ServiceLocator;
import org.sonatype.aether.spi.log.Logger;
import org.sonatype.aether.spi.log.NullLogger;
import org.sonatype.aether.transfer.ArtifactNotFoundException;
import org.sonatype.aether.util.DefaultRequestTrace;
import org.sonatype.aether.util.artifact.ArtifactProperties;
import org.sonatype.aether.util.artifact.DefaultArtifact;
import org.sonatype.aether.util.artifact.DefaultArtifactType;
import org.sonatype.aether.util.listener.DefaultRepositoryEvent;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
/**
* @author Benjamin Bentmann
*/
@Component( role = ArtifactDescriptorReader.class )
public class ConfigurableArtifactDescriptorReader
implements ArtifactDescriptorReader, Service
{
@SuppressWarnings( "unused" )
@Requirement
private Logger logger = NullLogger.INSTANCE;
@Requirement
private RemoteRepositoryManager remoteRepositoryManager;
@Requirement
private VersionResolver versionResolver;
@Requirement
private ArtifactResolver artifactResolver;
@Requirement
private ModelBuilder modelBuilder;
@Override
public void initService( final ServiceLocator locator )
{
setLogger( locator.getService( Logger.class ) );
setRemoteRepositoryManager( locator.getService( RemoteRepositoryManager.class ) );
setVersionResolver( locator.getService( VersionResolver.class ) );
setArtifactResolver( locator.getService( ArtifactResolver.class ) );
modelBuilder = locator.getService( ModelBuilder.class );
if ( modelBuilder == null )
{
setModelBuilder( new DefaultModelBuilderFactory().newInstance() );
}
}
public ConfigurableArtifactDescriptorReader setLogger( final Logger logger )
{
this.logger = ( logger != null ) ? logger : NullLogger.INSTANCE;
return this;
}
public ConfigurableArtifactDescriptorReader setRemoteRepositoryManager( final RemoteRepositoryManager remoteRepositoryManager )
{
if ( remoteRepositoryManager == null )
{
throw new IllegalArgumentException( "remote repository manager has not been specified" );
}
this.remoteRepositoryManager = remoteRepositoryManager;
return this;
}
public ConfigurableArtifactDescriptorReader setVersionResolver( final VersionResolver versionResolver )
{
if ( versionResolver == null )
{
throw new IllegalArgumentException( "version resolver has not been specified" );
}
this.versionResolver = versionResolver;
return this;
}
public ConfigurableArtifactDescriptorReader setArtifactResolver( final ArtifactResolver artifactResolver )
{
if ( artifactResolver == null )
{
throw new IllegalArgumentException( "artifact resolver has not been specified" );
}
this.artifactResolver = artifactResolver;
return this;
}
public ConfigurableArtifactDescriptorReader setModelBuilder( final ModelBuilder modelBuilder )
{
if ( modelBuilder == null )
{
throw new IllegalArgumentException( "model builder has not been specified" );
}
this.modelBuilder = modelBuilder;
return this;
}
@Override
public ArtifactDescriptorResult readArtifactDescriptor( final RepositorySystemSession session,
final ArtifactDescriptorRequest request )
throws ArtifactDescriptorException
{
final ArtifactDescriptorResult result = new ArtifactDescriptorResult( request );
final Model model = loadPom( session, request, result );
if ( model != null )
{
final ArtifactTypeRegistry stereotypes = session.getArtifactTypeRegistry();
for ( final Repository r : model.getRepositories() )
{
result.addRepository( ArtifactDescriptorUtils.toRemoteRepository( r ) );
}
for ( final org.apache.maven.model.Dependency dependency : model.getDependencies() )
{
result.addDependency( convert( dependency, stereotypes ) );
}
final DependencyManagement mngt = model.getDependencyManagement();
if ( mngt != null )
{
for ( final org.apache.maven.model.Dependency dependency : mngt.getDependencies() )
{
result.addManagedDependency( convert( dependency, stereotypes ) );
}
}
final Map<String, Object> properties = new LinkedHashMap<String, Object>();
final Prerequisites prerequisites = model.getPrerequisites();
if ( prerequisites != null )
{
properties.put( "prerequisites.maven", prerequisites.getMaven() );
}
final List<License> licenses = model.getLicenses();
properties.put( "license.count", Integer.valueOf( licenses.size() ) );
for ( int i = 0; i < licenses.size(); i++ )
{
final License license = licenses.get( i );
properties.put( "license." + i + ".name", license.getName() );
properties.put( "license." + i + ".url", license.getUrl() );
properties.put( "license." + i + ".comments", license.getComments() );
properties.put( "license." + i + ".distribution", license.getDistribution() );
}
result.setProperties( properties );
}
return result;
}
private Model loadPom( final RepositorySystemSession session, final ArtifactDescriptorRequest request,
final ArtifactDescriptorResult result )
throws ArtifactDescriptorException
{
ProjectToolsSession pts = (ProjectToolsSession) session.getData().get( ProjectToolsSession.SESSION_KEY );
final RequestTrace trace = DefaultRequestTrace.newChild( request.getTrace(), request );
final Set<String> visited = new LinkedHashSet<String>();
for ( Artifact artifact = request.getArtifact();; )
{
try
{
final VersionRequest versionRequest =
new VersionRequest( artifact, request.getRepositories(), request.getRequestContext() );
versionRequest.setTrace( trace );
final VersionResult versionResult = versionResolver.resolveVersion( session, versionRequest );
artifact = artifact.setVersion( versionResult.getVersion() );
}
catch ( final VersionResolutionException e )
{
result.addException( e );
throw new ArtifactDescriptorException( result );
}
if ( !visited.add( artifact.getGroupId() + ':' + artifact.getArtifactId() + ':' + artifact.getBaseVersion() ) )
{
final RepositoryException exception =
new RepositoryException( "Artifact relocations form a cycle: " + visited );
invalidDescriptor( session, trace, artifact, exception );
if ( session.isIgnoreInvalidArtifactDescriptor() )
{
return null;
}
result.addException( exception );
throw new ArtifactDescriptorException( result );
}
Artifact pomArtifact = ArtifactDescriptorUtils.toPomArtifact( artifact );
ArtifactResult resolveResult;
try
{
final ArtifactRequest resolveRequest =
new ArtifactRequest( pomArtifact, request.getRepositories(), request.getRequestContext() );
resolveRequest.setTrace( trace );
resolveResult = artifactResolver.resolveArtifact( session, resolveRequest );
pomArtifact = resolveResult.getArtifact();
result.setRepository( resolveResult.getRepository() );
}
catch ( final ArtifactResolutionException e )
{
if ( e.getCause() instanceof ArtifactNotFoundException )
{
missingDescriptor( session, trace, artifact, (Exception) e.getCause() );
if ( session.isIgnoreMissingArtifactDescriptor() )
{
return null;
}
}
result.addException( e );
throw new ArtifactDescriptorException( result );
}
Model model;
try
{
final ModelBuildingRequest modelRequest = new DefaultModelBuildingRequest();
modelRequest.setValidationLevel( ModelBuildingRequest.VALIDATION_LEVEL_MINIMAL );
modelRequest.setProcessPlugins( pts == null ? false : pts.isProcessPomPlugins() );
modelRequest.setTwoPhaseBuilding( false );
modelRequest.setSystemProperties( toProperties( session.getUserProperties(),
session.getSystemProperties() ) );
modelRequest.setModelCache( DefaultModelCache.newInstance( session ) );
modelRequest.setModelResolver( new DefaultModelResolver( session, trace.newChild( modelRequest ),
request.getRequestContext(), artifactResolver,
remoteRepositoryManager,
request.getRepositories() ) );
if ( resolveResult.getRepository() instanceof WorkspaceRepository )
{
modelRequest.setPomFile( pomArtifact.getFile() );
}
else
{
modelRequest.setModelSource( new FileModelSource( pomArtifact.getFile() ) );
}
model = modelBuilder.build( modelRequest ).getEffectiveModel();
}
catch ( final ModelBuildingException e )
{
for ( final ModelProblem problem : e.getProblems() )
{
if ( problem.getException() instanceof UnresolvableModelException )
{
result.addException( problem.getException() );
throw new ArtifactDescriptorException( result );
}
}
invalidDescriptor( session, trace, artifact, e );
if ( session.isIgnoreInvalidArtifactDescriptor() )
{
return null;
}
result.addException( e );
throw new ArtifactDescriptorException( result );
}
final Relocation relocation = getRelocation( model );
if ( relocation != null )
{
result.addRelocation( artifact );
artifact =
new RelocatedArtifact( artifact, relocation.getGroupId(), relocation.getArtifactId(),
relocation.getVersion() );
result.setArtifact( artifact );
}
else
{
return model;
}
}
}
private Properties toProperties( final Map<String, String> dominant, final Map<String, String> recessive )
{
final Properties props = new Properties();
if ( recessive != null )
{
props.putAll( recessive );
}
if ( dominant != null )
{
props.putAll( dominant );
}
return props;
}
private Relocation getRelocation( final Model model )
{
Relocation relocation = null;
final DistributionManagement distMngt = model.getDistributionManagement();
if ( distMngt != null )
{
relocation = distMngt.getRelocation();
}
return relocation;
}
private Dependency convert( final org.apache.maven.model.Dependency dependency,
final ArtifactTypeRegistry stereotypes )
{
ArtifactType stereotype = stereotypes.get( dependency.getType() );
if ( stereotype == null )
{
stereotype = new DefaultArtifactType( dependency.getType() );
}
final boolean system = dependency.getSystemPath() != null && dependency.getSystemPath().length() > 0;
Map<String, String> props = null;
if ( system )
{
props = Collections.singletonMap( ArtifactProperties.LOCAL_PATH, dependency.getSystemPath() );
}
final Artifact artifact =
new DefaultArtifact( dependency.getGroupId(), dependency.getArtifactId(), dependency.getClassifier(), null,
dependency.getVersion(), props, stereotype );
final List<Exclusion> exclusions = new ArrayList<Exclusion>( dependency.getExclusions().size() );
for ( final org.apache.maven.model.Exclusion exclusion : dependency.getExclusions() )
{
exclusions.add( convert( exclusion ) );
}
final Dependency result = new Dependency( artifact, dependency.getScope(), dependency.isOptional(), exclusions );
return result;
}
private Exclusion convert( final org.apache.maven.model.Exclusion exclusion )
{
return new Exclusion( exclusion.getGroupId(), exclusion.getArtifactId(), "*", "*" );
}
private void missingDescriptor( final RepositorySystemSession session, final RequestTrace trace,
final Artifact artifact, final Exception exception )
{
final RepositoryListener listener = session.getRepositoryListener();
if ( listener != null )
{
final DefaultRepositoryEvent event =
new DefaultRepositoryEvent( EventType.ARTIFACT_DESCRIPTOR_MISSING, session, trace );
event.setArtifact( artifact );
event.setException( exception );
listener.artifactDescriptorMissing( event );
}
}
private void invalidDescriptor( final RepositorySystemSession session, final RequestTrace trace,
final Artifact artifact, final Exception exception )
{
final RepositoryListener listener = session.getRepositoryListener();
if ( listener != null )
{
final DefaultRepositoryEvent event =
new DefaultRepositoryEvent( EventType.ARTIFACT_DESCRIPTOR_INVALID, session, trace );
event.setArtifact( artifact );
event.setException( exception );
listener.artifactDescriptorInvalid( event );
}
}
}