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1   package org.apache.maven.resolver.examples;
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.maven.resolver.examples.util.Booter;
23  import org.apache.maven.resolver.examples.util.ConsoleDependencyGraphDumper;
24  import org.eclipse.aether.RepositorySystem;
25  import org.eclipse.aether.RepositorySystemSession;
26  import org.eclipse.aether.artifact.Artifact;
27  import org.eclipse.aether.artifact.DefaultArtifact;
28  import org.eclipse.aether.collection.CollectRequest;
29  import org.eclipse.aether.collection.CollectResult;
30  import org.eclipse.aether.graph.Dependency;
31  
32  /**
33   * Collects the transitive dependencies of an artifact.
34   */
35  public class GetDependencyTree
36  {
37  
38      public static void main( String[] args )
39          throws Exception
40      {
41          System.out.println( "------------------------------------------------------------" );
42          System.out.println( GetDependencyTree.class.getSimpleName() );
43  
44          RepositorySystem system = Booter.newRepositorySystem();
45  
46          RepositorySystemSession session = Booter.newRepositorySystemSession( system );
47  
48          Artifact artifact = new DefaultArtifact( "org.apache.maven:maven-aether-provider:3.1.0" );
49  
50          CollectRequest collectRequest = new CollectRequest();
51          collectRequest.setRoot( new Dependency( artifact, "" ) );
52          collectRequest.setRepositories( Booter.newRepositories( system, session ) );
53  
54          CollectResult collectResult = system.collectDependencies( session, collectRequest );
55  
56          collectResult.getRoot().accept( new ConsoleDependencyGraphDumper() );
57      }
58  
59  }