001package org.apache.maven.resolver.examples;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 * 
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 * 
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.resolver.examples.util.Booter;
023import org.apache.maven.resolver.examples.util.ConsoleDependencyGraphDumper;
024import org.eclipse.aether.RepositorySystem;
025import org.eclipse.aether.RepositorySystemSession;
026import org.eclipse.aether.artifact.Artifact;
027import org.eclipse.aether.artifact.DefaultArtifact;
028import org.eclipse.aether.collection.CollectRequest;
029import org.eclipse.aether.collection.CollectResult;
030import org.eclipse.aether.graph.Dependency;
031
032/**
033 * Collects the transitive dependencies of an artifact.
034 */
035public class GetDependencyTree
036{
037
038    /**
039     * Main.
040     * @param args
041     * @throws Exception
042     */
043    public static void main( String[] args )
044        throws Exception
045    {
046        System.out.println( "------------------------------------------------------------" );
047        System.out.println( GetDependencyTree.class.getSimpleName() );
048
049        RepositorySystem system = Booter.newRepositorySystem( Booter.selectFactory( args ) );
050
051        RepositorySystemSession session = Booter.newRepositorySystemSession( system );
052
053        Artifact artifact = new DefaultArtifact( "org.apache.maven:maven-resolver-provider:3.6.1" );
054
055        CollectRequest collectRequest = new CollectRequest();
056        collectRequest.setRoot( new Dependency( artifact, "" ) );
057        collectRequest.setRepositories( Booter.newRepositories( system, session ) );
058
059        CollectResult collectResult = system.collectDependencies( session, collectRequest );
060
061        collectResult.getRoot().accept( new ConsoleDependencyGraphDumper() );
062    }
063
064}