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