/*
    * 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.
   */
  package org.apache.maven.resolver.examples;
  
  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 {
  
      /**
       * Main.
       * @param args
       * @throws Exception
       */
      public static void main(String[] args) throws Exception {
          System.out.println("------------------------------------------------------------");
          System.out.println(ResolveTransitiveDependencies.class.getSimpleName());
  
          RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args));
  
          RepositorySystemSession session = Booter.newRepositorySystemSession(system);
  
          Artifact artifact = new DefaultArtifact("org.apache.maven.resolver:maven-resolver-impl:1.3.3");
  
          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());
          }
      }
  }