package org.apache.maven.report.projectinfo.dependencies;
   
   /*
    * 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.ArrayList;
  import java.util.List;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.ArtifactUtils;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.artifact.repository.metadata.RepositoryMetadataManager;
  import org.apache.maven.plugin.logging.Log;
  import org.apache.maven.project.DefaultProjectBuildingRequest;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.ProjectBuilder;
  import org.apache.maven.project.ProjectBuildingException;
  import org.apache.maven.project.ProjectBuildingRequest;
  import org.apache.maven.repository.RepositorySystem;
  import org.apache.maven.shared.transfer.artifact.resolve.ArtifactResolver;
  import org.apache.maven.shared.transfer.artifact.resolve.ArtifactResolverException;
  import org.apache.maven.shared.transfer.artifact.resolve.ArtifactResult;
  
  /**
   * Utility methods to play with repository.
   *
   * @version $Id$
   * @since 2.1
   */
  public class RepositoryUtils
  {
      private final Log log;
  
      private final ProjectBuilder projectBuilder;
  
      private final RepositorySystem repositorySystem;
  
      private final List<ArtifactRepository> remoteRepositories;
  
      private final List<ArtifactRepository> pluginRepositories;
  
      private final ArtifactResolver resolver;
  
      private final ProjectBuildingRequest buildingRequest;
  
      /**
       * @param log {@link Log}
       * @param projectBuilder {@link ProjectBuilder}
       * @param repositorySystem {@link RepositorySystem}
       * @param resolver {@link ArtifactResolver}
       * @param remoteRepositories {@link ArtifactRepository}
       * @param pluginRepositories {@link ArtifactRepository}
       * @param buildingRequest {@link ProjectBuildingRequest}
       * @param repositoryMetadataManager {@link RepositoryMetadataManager}
       */
      public RepositoryUtils( Log log, ProjectBuilder projectBuilder, RepositorySystem repositorySystem,
                              ArtifactResolver resolver, List<ArtifactRepository> remoteRepositories,
                              List<ArtifactRepository> pluginRepositories, ProjectBuildingRequest buildingRequest,
                              RepositoryMetadataManager repositoryMetadataManager )
      {
          this.log = log;
          this.projectBuilder = projectBuilder;
          this.repositorySystem = repositorySystem;
          this.resolver = resolver;
          this.remoteRepositories = remoteRepositories;
          this.pluginRepositories = pluginRepositories;
          this.buildingRequest = buildingRequest;
      }
  
      /**
       * @param artifact not null
       * @throws ArtifactResolverException if any 
       */
      public void resolve( Artifact artifact )
          throws ArtifactResolverException
      {
          List<ArtifactRepository> repos =
              new ArrayList<>( pluginRepositories.size() + remoteRepositories.size() );
          repos.addAll( pluginRepositories );
          repos.addAll( remoteRepositories );
  
          ProjectBuildingRequest buildRequest = new DefaultProjectBuildingRequest( buildingRequest );
          buildRequest.setRemoteRepositories( repos );
 
         ArtifactResult result = resolver.resolveArtifact( buildRequest , artifact );
         artifact.setFile( result.getArtifact().getFile() );
     }
 
     /**
      * Get the <code>Maven project</code> from the repository depending the <code>Artifact</code> given.
      *
      * @param artifact an artifact
      * @return the Maven project for the given artifact
      * @throws ProjectBuildingException if any
      */
     public MavenProject getMavenProjectFromRepository( Artifact artifact )
         throws ProjectBuildingException
     {
         Artifact projectArtifact = artifact;
 
         boolean allowStubModel = false;
         if ( !"pom".equals( artifact.getType() ) )
         {
             projectArtifact = repositorySystem.createProjectArtifact( artifact.getGroupId(), artifact.getArtifactId(),
                                                              artifact.getVersion() );
             allowStubModel = true;
         }
 
         return projectBuilder.build( projectArtifact, allowStubModel, buildingRequest ).getProject();
     }
 
     /**
      * @param artifact not null
      * @param repo not null
      * @return the URL in the given repo for the given artifact. If it is a snapshot artifact, the version
      * will be the timestamp and the build number from the metadata. Could return null if the repo is blacklisted.
      */
     public String getDependencyUrlFromRepository( Artifact artifact, ArtifactRepository repo )
     {
         if ( repo.isBlacklisted() )
         {
             return null;
         }
 
         Artifact copyArtifact = ArtifactUtils.copyArtifact( artifact );
         // Try to get the last artifact repo name depending the snapshot version
         if ( ( artifact.isSnapshot() && repo.getSnapshots().isEnabled() ) )
         {
             if ( artifact.getBaseVersion().equals( artifact.getVersion() ) )
             {
                 // Try to resolve it if not already done
                 if ( artifact.getMetadataList() == null || artifact.getMetadataList().isEmpty() )
                 {
                     try
                     {
                         resolve( artifact );
                     }
                     catch ( ArtifactResolverException e )
                     {
                         log.error( "Artifact: " + artifact.getId() + " could not be resolved." );
                     }
                 }
             }
         }
 
         return repo.getUrl() + "/" + repo.pathOf( copyArtifact );
     }
 }