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.DefaultRepositorySystemSession;
023import org.eclipse.aether.RepositorySystem;
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.resolution.ArtifactDescriptorRequest;
029import org.eclipse.aether.resolution.ArtifactDescriptorResult;
030import org.eclipse.aether.util.graph.manager.DependencyManagerUtils;
031import org.eclipse.aether.util.graph.transformer.ConflictResolver;
032
033/**
034 * Visualizes the transitive dependencies of an artifact similar to m2e's dependency hierarchy view.
035 */
036public class GetDependencyHierarchy {
037
038    /**
039     * Main.
040     * @param args
041     * @throws Exception
042     */
043    public static void main(String[] args) throws Exception {
044        System.out.println("------------------------------------------------------------");
045        System.out.println(GetDependencyHierarchy.class.getSimpleName());
046
047        RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args));
048
049        DefaultRepositorySystemSession session = Booter.newRepositorySystemSession(system);
050
051        session.setConfigProperty(ConflictResolver.CONFIG_PROP_VERBOSE, true);
052        session.setConfigProperty(DependencyManagerUtils.CONFIG_PROP_VERBOSE, true);
053
054        Artifact artifact = new DefaultArtifact("org.apache.maven:maven-resolver-provider:3.6.1");
055
056        ArtifactDescriptorRequest descriptorRequest = new ArtifactDescriptorRequest();
057        descriptorRequest.setArtifact(artifact);
058        descriptorRequest.setRepositories(Booter.newRepositories(system, session));
059        ArtifactDescriptorResult descriptorResult = system.readArtifactDescriptor(session, descriptorRequest);
060
061        CollectRequest collectRequest = new CollectRequest();
062        collectRequest.setRootArtifact(descriptorResult.getArtifact());
063        collectRequest.setDependencies(descriptorResult.getDependencies());
064        collectRequest.setManagedDependencies(descriptorResult.getManagedDependencies());
065        collectRequest.setRepositories(descriptorRequest.getRepositories());
066
067        CollectResult collectResult = system.collectDependencies(session, collectRequest);
068
069        collectResult.getRoot().accept(Booter.DUMPER_SOUT);
070    }
071}