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19 package org.apache.maven.resolver.examples;
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21 import org.apache.maven.resolver.examples.util.Booter;
22 import org.eclipse.aether.RepositorySystem;
23 import org.eclipse.aether.RepositorySystemSession.CloseableSession;
24 import org.eclipse.aether.RepositorySystemSession.SessionBuilder;
25 import org.eclipse.aether.artifact.Artifact;
26 import org.eclipse.aether.artifact.DefaultArtifact;
27 import org.eclipse.aether.collection.CollectRequest;
28 import org.eclipse.aether.collection.CollectResult;
29 import org.eclipse.aether.resolution.ArtifactDescriptorRequest;
30 import org.eclipse.aether.resolution.ArtifactDescriptorResult;
31 import org.eclipse.aether.util.graph.manager.DependencyManagerUtils;
32 import org.eclipse.aether.util.graph.transformer.ConflictResolver;
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37 public class GetDependencyHierarchy {
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44 public static void main(String[] args) throws Exception {
45 System.out.println("------------------------------------------------------------");
46 System.out.println(GetDependencyHierarchy.class.getSimpleName());
47
48 try (RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args))) {
49 SessionBuilder sessionBuilder = Booter.newRepositorySystemSession(system);
50 sessionBuilder.setConfigProperty(ConflictResolver.CONFIG_PROP_VERBOSE, true);
51 sessionBuilder.setConfigProperty(DependencyManagerUtils.CONFIG_PROP_VERBOSE, true);
52 try (CloseableSession session = sessionBuilder.build()) {
53 Artifact artifact = new DefaultArtifact("org.apache.maven:maven-resolver-provider:3.6.1");
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55 ArtifactDescriptorRequest descriptorRequest = new ArtifactDescriptorRequest();
56 descriptorRequest.setArtifact(artifact);
57 descriptorRequest.setRepositories(Booter.newRepositories(system, session));
58 ArtifactDescriptorResult descriptorResult = system.readArtifactDescriptor(session, descriptorRequest);
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60 CollectRequest collectRequest = new CollectRequest();
61 collectRequest.setRootArtifact(descriptorResult.getArtifact());
62 collectRequest.setDependencies(descriptorResult.getDependencies());
63 collectRequest.setManagedDependencies(descriptorResult.getManagedDependencies());
64 collectRequest.setRepositories(descriptorRequest.getRepositories());
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66 CollectResult collectResult = system.collectDependencies(session, collectRequest);
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68 collectResult.getRoot().accept(Booter.DUMPER_SOUT);
69 }
70 }
71 }
72 }