package org.apache.maven.resolver.examples;
   
   /*
    * 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.List;
  
  import org.apache.maven.resolver.examples.util.Booter;
  import org.eclipse.aether.RepositorySystem;
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.eclipse.aether.collection.CollectRequest;
  import org.eclipse.aether.graph.Dependency;
  import org.eclipse.aether.graph.DependencyFilter;
  import org.eclipse.aether.resolution.ArtifactResult;
  import org.eclipse.aether.resolution.DependencyRequest;
  import org.eclipse.aether.util.artifact.JavaScopes;
  import org.eclipse.aether.util.filter.DependencyFilterUtils;
  
  /**
   * Resolves the transitive (compile) dependencies of an artifact.
   */
  public class ResolveTransitiveDependencies
  {
  
      public static void main( String[] args )
          throws Exception
      {
          System.out.println( "------------------------------------------------------------" );
          System.out.println( ResolveTransitiveDependencies.class.getSimpleName() );
  
          RepositorySystem system = Booter.newRepositorySystem();
  
          RepositorySystemSession session = Booter.newRepositorySystemSession( system );
  
          Artifact artifact = new DefaultArtifact( "org.eclipse.aether:aether-impl:1.0.0.v20140518" );
  
          DependencyFilter classpathFlter = DependencyFilterUtils.classpathFilter( JavaScopes.COMPILE );
  
          CollectRequest collectRequest = new CollectRequest();
          collectRequest.setRoot( new Dependency( artifact, JavaScopes.COMPILE ) );
          collectRequest.setRepositories( Booter.newRepositories( system, session ) );
  
          DependencyRequest dependencyRequest = new DependencyRequest( collectRequest, classpathFlter );
  
          List<ArtifactResult> artifactResults =
              system.resolveDependencies( session, dependencyRequest ).getArtifactResults();
  
          for ( ArtifactResult artifactResult : artifactResults )
          {
              System.out.println( artifactResult.getArtifact() + " resolved to "
                  + artifactResult.getArtifact().getFile() );
          }
      }
  
  }