source.dussan.org Git - archiva.git/blob

   1 package org.apache.archiva.dependency.tree.maven2;
   2
   3 /*
   4  * Licensed to the Apache Software Foundation (ASF) under one
   5  * or more contributor license agreements.  See the NOTICE file
   6  * distributed with this work for additional information
   7  * regarding copyright ownership.  The ASF licenses this file
   8  * to you under the Apache License, Version 2.0 (the
   9  * "License"); you may not use this file except in compliance
  10  * with the License.  You may obtain a copy of the License at
  11  *
  12  *  http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  17  * KIND, either express or implied.  See the License for the
  18  * specific language governing permissions and limitations
  19  * under the License.
  20  */
  21
  22 import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
  23 import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
  24 import org.apache.archiva.metadata.repository.MetadataResolutionException;
  25 import org.apache.archiva.metadata.repository.MetadataResolver;
  26 import org.apache.archiva.metadata.repository.RepositorySession;
  27 import org.apache.archiva.metadata.repository.RepositorySessionFactory;
  28 import org.apache.archiva.metadata.repository.storage.RepositoryPathTranslator;
  29 import org.apache.archiva.metadata.repository.storage.maven2.RepositoryModelResolver;
  30 import org.apache.archiva.proxy.common.WagonFactory;
  31 import org.apache.commons.lang.StringUtils;
  32 import org.apache.maven.archiva.common.utils.Slf4JPlexusLogger;
  33 import org.apache.maven.archiva.configuration.ArchivaConfiguration;
  34 import org.apache.maven.archiva.configuration.ManagedRepositoryConfiguration;
  35 import org.apache.maven.archiva.configuration.NetworkProxyConfiguration;
  36 import org.apache.maven.archiva.configuration.ProxyConnectorConfiguration;
  37 import org.apache.maven.archiva.configuration.RemoteRepositoryConfiguration;
  38 import org.apache.maven.artifact.Artifact;
  39 import org.apache.maven.artifact.factory.ArtifactFactory;
  40 import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
  41 import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
  42 import org.apache.maven.artifact.metadata.ResolutionGroup;
  43 import org.apache.maven.artifact.repository.ArtifactRepository;
  44 import org.apache.maven.artifact.resolver.ArtifactCollector;
  45 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
  46 import org.apache.maven.artifact.resolver.ResolutionListener;
  47 import org.apache.maven.artifact.resolver.filter.AndArtifactFilter;
  48 import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
  49 import org.apache.maven.artifact.resolver.filter.ExcludesArtifactFilter;
  50 import org.apache.maven.artifact.versioning.ArtifactVersion;
  51 import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
  52 import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
  53 import org.apache.maven.artifact.versioning.ManagedVersionMap;
  54 import org.apache.maven.artifact.versioning.VersionRange;
  55 import org.apache.maven.model.Dependency;
  56 import org.apache.maven.model.DependencyManagement;
  57 import org.apache.maven.model.Exclusion;
  58 import org.apache.maven.model.Model;
  59 import org.apache.maven.model.building.DefaultModelBuilderFactory;
  60 import org.apache.maven.model.building.DefaultModelBuildingRequest;
  61 import org.apache.maven.model.building.ModelBuilder;
  62 import org.apache.maven.model.building.ModelBuildingException;
  63 import org.apache.maven.model.building.ModelBuildingRequest;
  64 import org.apache.maven.model.resolution.UnresolvableModelException;
  65 import org.apache.maven.repository.legacy.metadata.MetadataResolutionRequest;
  66 import org.apache.maven.shared.dependency.tree.DependencyNode;
  67 import org.apache.maven.shared.dependency.tree.DependencyTreeBuilderException;
  68 import org.apache.maven.shared.dependency.tree.DependencyTreeResolutionListener;
  69 import org.apache.maven.shared.dependency.tree.filter.AncestorOrSelfDependencyNodeFilter;
  70 import org.apache.maven.shared.dependency.tree.filter.DependencyNodeFilter;
  71 import org.apache.maven.shared.dependency.tree.filter.StateDependencyNodeFilter;
  72 import org.apache.maven.shared.dependency.tree.traversal.BuildingDependencyNodeVisitor;
  73 import org.apache.maven.shared.dependency.tree.traversal.CollectingDependencyNodeVisitor;
  74 import org.apache.maven.shared.dependency.tree.traversal.DependencyNodeVisitor;
  75 import org.apache.maven.shared.dependency.tree.traversal.FilteringDependencyNodeVisitor;
  76 import org.apache.maven.wagon.proxy.ProxyInfo;
  77 import org.slf4j.Logger;
  78 import org.slf4j.LoggerFactory;
  79 import org.springframework.stereotype.Service;
  80
  81 import javax.annotation.PostConstruct;
  82 import javax.inject.Inject;
  83 import javax.inject.Named;
  84 import java.io.File;
  85 import java.util.ArrayList;
  86 import java.util.Collection;
  87 import java.util.Collections;
  88 import java.util.HashMap;
  89 import java.util.HashSet;
  90 import java.util.LinkedHashSet;
  91 import java.util.List;
  92 import java.util.Map;
  93 import java.util.Set;
  94
  95 /**
  96  * Default implementation of <code>DependencyTreeBuilder</code>. Customized wrapper for maven-dependency-tree to use
  97  * maven-model-builder instead of maven-project. Note that the role must differ to avoid conflicting with the
  98  * maven-shared implementation.
  99  * <p/>
 100  * plexus.component role="org.apache.archiva.dependency.tree.maven2.DependencyTreeBuilder" role-hint="maven2"
 101  */
 102 @Service( "dependencyTreeBuilder#maven2" )
 103 public class DefaultDependencyTreeBuilder
 104     implements DependencyTreeBuilder
 105 {
 106
 107     private Logger log = LoggerFactory.getLogger( getClass() );
 108
 109     /**
 110      * plexus.requirement
 111      */
 112     private ArtifactFactory factory;
 113
 114     /**
 115      * plexus.requirement
 116      */
 117     private ArtifactCollector collector;
 118
 119     /**
 120      * plexus.requirement
 121      */
 122     private ModelBuilder builder;
 123
 124     /**
 125      * TODO: can have other types, and this might eventually come through from the main request
 126      * <p/>
 127      * plexus.requirement
 128      */
 129     @Inject
 130     private RepositorySessionFactory repositorySessionFactory;
 131
 132     /**
 133      * plexus.requirement role-hint="maven2"
 134      */
 135     @Inject
 136     @Named( value = "repositoryPathTranslator#maven2" )
 137     private RepositoryPathTranslator pathTranslator;
 138
 139     /**
 140      * plexus.requirement
 141      */
 142     @Inject
 143     @Named( value = "archivaConfiguration#default" )
 144     private ArchivaConfiguration archivaConfiguration;
 145
 146     @Inject
 147     private PlexusSisuBridge plexusSisuBridge;
 148
 149     @Inject
 150     private WagonFactory wagonFactory;
 151
 152     @PostConstruct
 153     public void initialize()
 154         throws PlexusSisuBridgeException
 155     {
 156         factory = plexusSisuBridge.lookup( ArtifactFactory.class , "default" );
 157         collector = plexusSisuBridge.lookup( ArtifactCollector.class , "default" );
 158
 159
 160         DefaultModelBuilderFactory defaultModelBuilderFactory = new DefaultModelBuilderFactory();
 161         builder = defaultModelBuilderFactory.newInstance();
 162     }
 163
 164     public void buildDependencyTree( List<String> repositoryIds, String groupId, String artifactId, String version,
 165                                      DependencyNodeVisitor nodeVisitor )
 166         throws DependencyTreeBuilderException
 167     {
 168         DependencyTreeResolutionListener listener =
 169             new DependencyTreeResolutionListener( new Slf4JPlexusLogger( getClass() ) );
 170
 171         Artifact projectArtifact = factory.createProjectArtifact( groupId, artifactId, version );
 172         ManagedRepositoryConfiguration repository = findArtifactInRepositories( repositoryIds, projectArtifact );
 173
 174         if ( repository == null )
 175         {
 176             // metadata could not be resolved
 177             return;
 178         }
 179
 180         File basedir = new File( repository.getLocation() );
 181
 182         try
 183         {
 184             // MRM-1411
 185             List< RemoteRepositoryConfiguration > remoteRepositories = new ArrayList<RemoteRepositoryConfiguration>();
 186             Map<String, ProxyInfo > networkProxies = new HashMap<String, ProxyInfo>();
 187
 188             Map<String, List< ProxyConnectorConfiguration >> proxyConnectorsMap = archivaConfiguration.getConfiguration().getProxyConnectorAsMap();
 189             List<ProxyConnectorConfiguration> proxyConnectors = proxyConnectorsMap.get( repository.getId() );
 190             if( proxyConnectors != null )
 191             {
 192                 for( ProxyConnectorConfiguration proxyConnector : proxyConnectors )
 193                 {
 194                     remoteRepositories.add( archivaConfiguration.getConfiguration().findRemoteRepositoryById( proxyConnector.getTargetRepoId() ) );
 195
 196                     NetworkProxyConfiguration networkProxyConfig = archivaConfiguration.getConfiguration().getNetworkProxiesAsMap().get(
 197                         proxyConnector.getProxyId() );
 198
 199                     if( networkProxyConfig != null )
 200                     {
 201                         ProxyInfo proxy = new ProxyInfo();
 202                         proxy.setType( networkProxyConfig.getProtocol() );
 203                         proxy.setHost( networkProxyConfig.getHost() );
 204                         proxy.setPort( networkProxyConfig.getPort() );
 205                         proxy.setUserName( networkProxyConfig.getUsername() );
 206                         proxy.setPassword( networkProxyConfig.getPassword() );
 207
 208                         // key/value: remote repo ID/proxy info
 209                         networkProxies.put( proxyConnector.getTargetRepoId(), proxy );
 210                     }
 211                 }
 212             }
 213
 214             Model model = buildProject( new RepositoryModelResolver( basedir, pathTranslator, wagonFactory, remoteRepositories,
 215                                          networkProxies, repository ), groupId, artifactId, version );
 216
 217             Map managedVersions = createManagedVersionMap( model );
 218
 219             Set<Artifact> dependencyArtifacts = createArtifacts( model, null );
 220
 221             RepositorySession repositorySession = repositorySessionFactory.createSession();
 222             try
 223             {
 224                 ArtifactMetadataSource metadataSource =
 225                     new MetadataArtifactMetadataSource( repositoryIds, repositorySession );
 226
 227                 // Note that we don't permit going to external repositories. We don't need to pass in a local and remote
 228                 // since our metadata source has control over them
 229                 //collector.collect( dependencyArtifacts, projectArtifact, managedVersions, null, null, metadataSource,
 230                 //                   null, Collections.singletonList( listener ) );
 231
 232                 collector.collect( dependencyArtifacts, projectArtifact, null, Collections.<ArtifactRepository>emptyList(),
 233                                    metadataSource, null,  Collections.singletonList( (ResolutionListener) listener ) );
 234
 235                 /*
 236                 Set<Artifact> artifacts, Artifact originatingArtifact,
 237                                       ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories,
 238                                       ArtifactMetadataSource source, ArtifactFilter filter,
 239                                       List< ResolutionListener > listeners
 240                 */
 241             }
 242             finally
 243             {
 244                 repositorySession.close();
 245             }
 246
 247             DependencyNode rootNode = listener.getRootNode();
 248
 249             // TODO: remove the need for this when the serializer can calculate last nodes from visitor calls only
 250             DependencyNodeVisitor visitor = new BuildingDependencyNodeVisitor( nodeVisitor );
 251
 252             CollectingDependencyNodeVisitor collectingVisitor = new CollectingDependencyNodeVisitor();
 253             DependencyNodeVisitor firstPassVisitor =
 254                 new FilteringDependencyNodeVisitor( collectingVisitor, StateDependencyNodeFilter.INCLUDED );
 255             rootNode.accept( firstPassVisitor );
 256
 257             DependencyNodeFilter secondPassFilter =
 258                 new AncestorOrSelfDependencyNodeFilter( collectingVisitor.getNodes() );
 259             visitor = new FilteringDependencyNodeVisitor( visitor, secondPassFilter );
 260
 261             rootNode.accept( visitor );
 262         }
 263         catch ( ArtifactResolutionException e )
 264         {
 265             throw new DependencyTreeBuilderException( "Cannot build project dependency tree " + e.getMessage(), e );
 266         }
 267         catch ( InvalidVersionSpecificationException e )
 268         {
 269             throw new DependencyTreeBuilderException( "Invalid dependency version for artifact " + projectArtifact );
 270         }
 271         catch ( ModelBuildingException e )
 272         {
 273             throw new DependencyTreeBuilderException( "Cannot build project dependency tree " + e.getMessage(), e );
 274         }
 275         catch ( UnresolvableModelException e )
 276         {
 277             throw new DependencyTreeBuilderException( "Cannot build project dependency tree " + e.getMessage(), e );
 278         }
 279     }
 280
 281     private ManagedRepositoryConfiguration findArtifactInRepositories( List<String> repositoryIds, Artifact projectArtifact )
 282     {
 283         for ( String repoId : repositoryIds )
 284         {
 285             ManagedRepositoryConfiguration repositoryConfiguration =
 286                 archivaConfiguration.getConfiguration().findManagedRepositoryById( repoId );
 287
 288             File repoDir = new File( repositoryConfiguration.getLocation() );
 289             File file = pathTranslator.toFile( repoDir, projectArtifact.getGroupId(), projectArtifact.getArtifactId(),
 290                                                projectArtifact.getBaseVersion(),
 291                                                projectArtifact.getArtifactId() + "-" + projectArtifact.getVersion()
 292                                                    + ".pom" );
 293
 294             if ( file.exists() )
 295             {
 296                 return repositoryConfiguration;
 297             }
 298         }
 299         return null;
 300     }
 301
 302     private Model buildProject( RepositoryModelResolver modelResolver, String groupId, String artifactId,
 303                                 String version )
 304         throws ModelBuildingException, UnresolvableModelException
 305     {
 306         ModelBuildingRequest req = new DefaultModelBuildingRequest();
 307         req.setProcessPlugins( false );
 308         req.setModelSource( modelResolver.resolveModel( groupId, artifactId, version ) );
 309         req.setModelResolver( modelResolver );
 310         req.setValidationLevel( ModelBuildingRequest.VALIDATION_LEVEL_MINIMAL );
 311
 312         return builder.build( req ).getEffectiveModel();
 313     }
 314
 315     // from maven-project to avoid the dependency on it
 316     private Set<Artifact> createArtifacts( Model model, ArtifactFilter dependencyFilter )
 317         throws InvalidVersionSpecificationException
 318     {
 319         Collection<Dependency> dependencies = model.getDependencies();
 320         Set<Artifact> projectArtifacts = new LinkedHashSet<Artifact>( dependencies.size() );
 321
 322         for ( Dependency dependency : dependencies )
 323         {
 324             String scope = dependency.getScope();
 325
 326             if ( StringUtils.isEmpty( scope ) )
 327             {
 328                 scope = Artifact.SCOPE_COMPILE;
 329
 330                 dependency.setScope( scope );
 331             }
 332
 333             VersionRange versionRange = VersionRange.createFromVersionSpec( dependency.getVersion() );
 334             Artifact artifact =
 335                 factory.createDependencyArtifact( dependency.getGroupId(), dependency.getArtifactId(), versionRange,
 336                                                   dependency.getType(), dependency.getClassifier(), scope, null,
 337                                                   dependency.isOptional() );
 338
 339             if ( Artifact.SCOPE_SYSTEM.equals( scope ) )
 340             {
 341                 artifact.setFile( new File( dependency.getSystemPath() ) );
 342             }
 343
 344             ArtifactFilter artifactFilter = dependencyFilter;
 345
 346             // MNG-3769: It would be nice to be able to process relocations here,
 347             // so we could have this filtering step apply to post-relocated dependencies.
 348             // HOWEVER, this would require a much more invasive POM resolution process
 349             // in order to look for relocations, which would make the early steps in
 350             // a Maven build way too heavy.
 351             if ( artifact != null && ( artifactFilter == null || artifactFilter.include( artifact ) ) )
 352             {
 353                 if ( dependency.getExclusions() != null && !dependency.getExclusions().isEmpty() )
 354                 {
 355                     List<String> exclusions = new ArrayList<String>();
 356                     for ( Object o : dependency.getExclusions() )
 357                     {
 358                         Exclusion e = (Exclusion) o;
 359                         exclusions.add( e.getGroupId() + ":" + e.getArtifactId() );
 360                     }
 361
 362                     ArtifactFilter newFilter = new ExcludesArtifactFilter( exclusions );
 363
 364                     if ( artifactFilter != null )
 365                     {
 366                         AndArtifactFilter filter = new AndArtifactFilter();
 367                         filter.add( artifactFilter );
 368                         filter.add( newFilter );
 369                         artifactFilter = filter;
 370                     }
 371                     else
 372                     {
 373                         artifactFilter = newFilter;
 374                     }
 375                 }
 376
 377                 artifact.setDependencyFilter( artifactFilter );
 378
 379                 projectArtifacts.add( artifact );
 380             }
 381         }
 382
 383         return projectArtifacts;
 384
 385     }
 386
 387     // from maven-project to avoid the dependency on it
 388
 389     private Map createManagedVersionMap( Model model )
 390         throws InvalidVersionSpecificationException
 391     {
 392         DependencyManagement dependencyManagement = model.getDependencyManagement();
 393
 394         Map<String, Artifact> map = null;
 395         List<Dependency> deps;
 396         if ( ( dependencyManagement != null ) && ( ( deps = dependencyManagement.getDependencies() ) != null ) && (
 397             deps.size() > 0 ) )
 398         {
 399             map = new ManagedVersionMap( map );
 400
 401             for ( Dependency dependency : dependencyManagement.getDependencies() )
 402             {
 403
 404                 VersionRange versionRange = VersionRange.createFromVersionSpec( dependency.getVersion() );
 405
 406                 Artifact artifact =
 407                     factory.createDependencyArtifact( dependency.getGroupId(), dependency.getArtifactId(), versionRange,
 408                                                       dependency.getType(), dependency.getClassifier(),
 409                                                       dependency.getScope(), dependency.isOptional() );
 410
 411                 log.debug( "artifact {}", artifact );
 412
 413                 // If the dependencyManagement section listed exclusions,
 414                 // add them to the managed artifacts here so that transitive
 415                 // dependencies will be excluded if necessary.
 416                 if ( ( null != dependency.getExclusions() ) && !dependency.getExclusions().isEmpty() )
 417                 {
 418                     List<String> exclusions = new ArrayList<String>();
 419
 420                     for ( Exclusion exclusion : dependency.getExclusions() )
 421                     {
 422                         exclusions.add( exclusion.getGroupId() + ":" + exclusion.getArtifactId() );
 423                     }
 424                     ExcludesArtifactFilter eaf = new ExcludesArtifactFilter( exclusions );
 425                     artifact.setDependencyFilter( eaf );
 426                 }
 427                 else
 428                 {
 429                     artifact.setDependencyFilter( null );
 430                 }
 431                 map.put( dependency.getManagementKey(), artifact );
 432             }
 433         }
 434         else
 435         {
 436             map = Collections.emptyMap();
 437         }
 438
 439         return map;
 440     }
 441
 442     private class MetadataArtifactMetadataSource
 443         implements ArtifactMetadataSource
 444     {
 445         private final List<String> repositoryIds;
 446
 447         private final RepositorySession session;
 448
 449         private final MetadataResolver resolver;
 450
 451         public MetadataArtifactMetadataSource( List<String> repositoryIds, RepositorySession session )
 452         {
 453             this.repositoryIds = repositoryIds;
 454             this.session = session;
 455             resolver = this.session.getResolver();
 456         }
 457
 458         // modified version from MavenMetadataSource to work with the simpler environment
 459         public ResolutionGroup retrieve( Artifact artifact, ArtifactRepository localRepository,
 460                                          List remoteRepositories )
 461             throws ArtifactMetadataRetrievalException
 462         {
 463             // TODO: we removed relocation support here. This is something that might need to be generically handled
 464             //       throughout this module
 465
 466             Artifact pomArtifact =
 467                 factory.createProjectArtifact( artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion(),
 468                                                artifact.getScope() );
 469
 470             ManagedRepositoryConfiguration repository = findArtifactInRepositories( repositoryIds, pomArtifact );
 471
 472             Model project = null;
 473             if ( !Artifact.SCOPE_SYSTEM.equals( artifact.getScope() ) && repository != null )
 474             {
 475                 File basedir = new File( repository.getLocation() );
 476
 477                 try
 478                 {
 479                     project =
 480                         buildProject( new RepositoryModelResolver( basedir, pathTranslator ), artifact.getGroupId(),
 481                                       artifact.getArtifactId(), artifact.getVersion() );
 482                 }
 483                 catch ( ModelBuildingException e )
 484                 {
 485                     throw new ArtifactMetadataRetrievalException( e.getMessage(), e, artifact );
 486                 }
 487                 catch ( UnresolvableModelException e )
 488                 {
 489                     throw new ArtifactMetadataRetrievalException( e.getMessage(), e, artifact );
 490                 }
 491             }
 492
 493             ResolutionGroup result;
 494
 495             if ( project == null )
 496             {
 497                 // TODO: we could record this so that it is displayed in the dependency tree as (...) or similar
 498
 499                 // if the project is null, we encountered an invalid model (read: m1 POM)
 500                 // we'll just return an empty resolution group.
 501                 // or used the inherited scope (should that be passed to the buildFromRepository method above?)
 502                 result = new ResolutionGroup( pomArtifact, Collections.<Artifact>emptySet(), Collections.<ArtifactRepository>emptyList() );
 503             }
 504             else
 505             {
 506                 Set<Artifact> artifacts = Collections.emptySet();
 507                 if ( !artifact.getArtifactHandler().isIncludesDependencies() )
 508                 {
 509                     try
 510                     {
 511                         artifacts = createArtifacts( project, artifact.getDependencyFilter() );
 512                     }
 513                     catch ( InvalidVersionSpecificationException e )
 514                     {
 515                         throw new ArtifactMetadataRetrievalException( e.getMessage(), e, artifact );
 516                     }
 517                 }
 518
 519                 result = new ResolutionGroup( pomArtifact, artifacts, Collections.<ArtifactRepository>emptyList() );
 520             }
 521
 522             return result;
 523         }
 524
 525         public List retrieveAvailableVersions( Artifact artifact, ArtifactRepository localRepository,
 526                                                List remoteRepositories )
 527             throws ArtifactMetadataRetrievalException
 528         {
 529             Set<ArtifactVersion> versions = new HashSet<ArtifactVersion>();
 530             for ( String repoId : repositoryIds )
 531             {
 532                 Collection<String> projectVersions;
 533                 try
 534                 {
 535                     projectVersions = resolver.resolveProjectVersions( session, repoId, artifact.getGroupId(),
 536                                                                        artifact.getArtifactId() );
 537                 }
 538                 catch ( MetadataResolutionException e )
 539                 {
 540                     throw new ArtifactMetadataRetrievalException( e.getMessage(), e, artifact );
 541                 }
 542                 for ( String version : projectVersions )
 543                 {
 544                     versions.add( new DefaultArtifactVersion( version ) );
 545                 }
 546             }
 547
 548             return new ArrayList<ArtifactVersion>( versions );
 549         }
 550
 551         public ResolutionGroup retrieve( MetadataResolutionRequest metadataResolutionRequest )
 552             throws ArtifactMetadataRetrievalException
 553         {
 554             //TODO
 555             return null;
 556         }
 557
 558         public List<ArtifactVersion> retrieveAvailableVersions( MetadataResolutionRequest metadataResolutionRequest )
 559             throws ArtifactMetadataRetrievalException
 560         {
 561             //TODO
 562             return null;
 563         }
 564
 565         public List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository( Artifact artifact,
 566                                                                                         ArtifactRepository artifactRepository,
 567                                                                                         ArtifactRepository artifactRepository1 )
 568             throws ArtifactMetadataRetrievalException
 569         {
 570             // TODO
 571             return null;
 572         }
 573     }
 574
 575     public ArtifactFactory getFactory()
 576     {
 577         return factory;
 578     }
 579 }