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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.apache.maven.resolver.examples.util.ReverseTreeRepositoryListener;
23 import org.eclipse.aether.DefaultRepositorySystemSession;
24 import org.eclipse.aether.RepositorySystem;
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.resolution.ArtifactDescriptorRequest;
29 import org.eclipse.aether.resolution.ArtifactDescriptorResult;
30 import org.eclipse.aether.util.graph.manager.DependencyManagerUtils;
31 import org.eclipse.aether.util.graph.transformer.ConflictResolver;
32 import org.eclipse.aether.util.listener.ChainedRepositoryListener;
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37 public class ReverseDependencyTree {
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44 public static void main(String[] args) throws Exception {
45 System.out.println("------------------------------------------------------------");
46 System.out.println(ReverseDependencyTree.class.getSimpleName());
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48 RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args));
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50 DefaultRepositorySystemSession session = Booter.newRepositorySystemSession(system);
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53 session.setRepositoryListener(
54 new ChainedRepositoryListener(session.getRepositoryListener(), new ReverseTreeRepositoryListener()));
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56 session.setConfigProperty(ConflictResolver.CONFIG_PROP_VERBOSE, true);
57 session.setConfigProperty(DependencyManagerUtils.CONFIG_PROP_VERBOSE, true);
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59 Artifact artifact = new DefaultArtifact("org.apache.maven:maven-resolver-provider:3.6.1");
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61 ArtifactDescriptorRequest descriptorRequest = new ArtifactDescriptorRequest();
62 descriptorRequest.setArtifact(artifact);
63 descriptorRequest.setRepositories(Booter.newRepositories(system, session));
64 ArtifactDescriptorResult descriptorResult = system.readArtifactDescriptor(session, descriptorRequest);
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66 CollectRequest collectRequest = new CollectRequest();
67 collectRequest.setRequestContext("demo");
68 collectRequest.setRootArtifact(descriptorResult.getArtifact());
69 collectRequest.setDependencies(descriptorResult.getDependencies());
70 collectRequest.setManagedDependencies(descriptorResult.getManagedDependencies());
71 collectRequest.setRepositories(descriptorRequest.getRepositories());
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73 system.collectDependencies(session, collectRequest);
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77 }
78 }