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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, |
| 13 | + * software distributed under the License is distributed on an |
| 14 | + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | + * KIND, either express or implied. See the License for the |
| 16 | + * specific language governing permissions and limitations |
| 17 | + * under the License. |
| 18 | + */ |
| 19 | +package org.apache.maven.resolver.examples; |
| 20 | + |
| 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.UnsolvableVersionConflictException; |
| 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.ChainedDependencyGraphTransformer; |
| 33 | +import org.eclipse.aether.util.graph.transformer.ConfigurableVersionSelector; |
| 34 | +import org.eclipse.aether.util.graph.transformer.ConflictResolver; |
| 35 | +import org.eclipse.aether.util.graph.transformer.JavaDependencyContextRefiner; |
| 36 | +import org.eclipse.aether.util.graph.transformer.JavaScopeDeriver; |
| 37 | +import org.eclipse.aether.util.graph.transformer.JavaScopeSelector; |
| 38 | +import org.eclipse.aether.util.graph.transformer.SimpleOptionalitySelector; |
| 39 | + |
| 40 | +/** |
| 41 | + * Visualizes the transitive dependencies of an artifact similar to m2e's dependency hierarchy view. |
| 42 | + */ |
| 43 | +public class GetDependencyHierarchyWithConflicts { |
| 44 | + |
| 45 | + /** |
| 46 | + * Main. |
| 47 | + * @param args |
| 48 | + * @throws Exception |
| 49 | + */ |
| 50 | + public static void main(String[] args) throws Exception { |
| 51 | + System.out.println("------------------------------------------------------------"); |
| 52 | + System.out.println(GetDependencyHierarchyWithConflicts.class.getSimpleName()); |
| 53 | + |
| 54 | + // incompatible versions: two incompatible versions present in graph |
| 55 | + try (RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args))) { |
| 56 | + SessionBuilder sessionBuilder = Booter.newRepositorySystemSession(system); |
| 57 | + sessionBuilder.setConfigProperty(ConflictResolver.CONFIG_PROP_VERBOSE, true); |
| 58 | + sessionBuilder.setConfigProperty(DependencyManagerUtils.CONFIG_PROP_VERBOSE, true); |
| 59 | + try (CloseableSession session = sessionBuilder |
| 60 | + .setDependencyGraphTransformer(new ChainedDependencyGraphTransformer( |
| 61 | + new ConflictResolver( |
| 62 | + new ConfigurableVersionSelector( |
| 63 | + new ConfigurableVersionSelector.MajorVersionConvergence( |
| 64 | + new ConfigurableVersionSelector.Nearest())), |
| 65 | + new JavaScopeSelector(), |
| 66 | + new SimpleOptionalitySelector(), |
| 67 | + new JavaScopeDeriver()), |
| 68 | + new JavaDependencyContextRefiner())) |
| 69 | + .build()) { |
| 70 | + Artifact artifact = new DefaultArtifact("org.apache.maven.shared:maven-dependency-tree:3.0.1"); |
| 71 | + |
| 72 | + ArtifactDescriptorRequest descriptorRequest = new ArtifactDescriptorRequest(); |
| 73 | + descriptorRequest.setArtifact(artifact); |
| 74 | + descriptorRequest.setRepositories(Booter.newRepositories(system, session)); |
| 75 | + ArtifactDescriptorResult descriptorResult = system.readArtifactDescriptor(session, descriptorRequest); |
| 76 | + |
| 77 | + CollectRequest collectRequest = new CollectRequest(); |
| 78 | + collectRequest.setRootArtifact(descriptorResult.getArtifact()); |
| 79 | + collectRequest.setDependencies(descriptorResult.getDependencies()); |
| 80 | + collectRequest.setManagedDependencies(descriptorResult.getManagedDependencies()); |
| 81 | + collectRequest.setRepositories(descriptorRequest.getRepositories()); |
| 82 | + |
| 83 | + system.collectDependencies(session, collectRequest); |
| 84 | + throw new IllegalStateException("should fail"); |
| 85 | + } |
| 86 | + } catch (Exception e) { |
| 87 | + e.printStackTrace(); |
| 88 | + if (e.getCause() instanceof UnsolvableVersionConflictException) { |
| 89 | + String cause = e.getCause().getMessage(); |
| 90 | + if (!cause.contains( |
| 91 | + "Incompatible versions for org.apache.maven:maven-core, incompatible versions: [2.0], all versions [2.0, 3.0.4]")) { |
| 92 | + throw new IllegalStateException("should fail due incompatible versions"); |
| 93 | + } |
| 94 | + } else { |
| 95 | + throw new IllegalStateException("should fail due incompatible versions"); |
| 96 | + } |
| 97 | + } |
| 98 | + |
| 99 | + // dependency divergence: multiple versions of same GA present in graph |
| 100 | + try (RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args))) { |
| 101 | + SessionBuilder sessionBuilder = Booter.newRepositorySystemSession(system); |
| 102 | + sessionBuilder.setConfigProperty(ConflictResolver.CONFIG_PROP_VERBOSE, true); |
| 103 | + sessionBuilder.setConfigProperty(DependencyManagerUtils.CONFIG_PROP_VERBOSE, true); |
| 104 | + try (CloseableSession session = sessionBuilder |
| 105 | + .setDependencyGraphTransformer(new ChainedDependencyGraphTransformer( |
| 106 | + new ConflictResolver( |
| 107 | + new ConfigurableVersionSelector(new ConfigurableVersionSelector.VersionConvergence( |
| 108 | + new ConfigurableVersionSelector.Nearest())), |
| 109 | + new JavaScopeSelector(), |
| 110 | + new SimpleOptionalitySelector(), |
| 111 | + new JavaScopeDeriver()), |
| 112 | + new JavaDependencyContextRefiner())) |
| 113 | + .build()) { |
| 114 | + Artifact artifact = new DefaultArtifact("org.apache.maven.shared:maven-dependency-tree:3.1.0"); |
| 115 | + |
| 116 | + ArtifactDescriptorRequest descriptorRequest = new ArtifactDescriptorRequest(); |
| 117 | + descriptorRequest.setArtifact(artifact); |
| 118 | + descriptorRequest.setRepositories(Booter.newRepositories(system, session)); |
| 119 | + ArtifactDescriptorResult descriptorResult = system.readArtifactDescriptor(session, descriptorRequest); |
| 120 | + |
| 121 | + CollectRequest collectRequest = new CollectRequest(); |
| 122 | + collectRequest.setRootArtifact(descriptorResult.getArtifact()); |
| 123 | + collectRequest.setDependencies(descriptorResult.getDependencies()); |
| 124 | + collectRequest.setManagedDependencies(descriptorResult.getManagedDependencies()); |
| 125 | + collectRequest.setRepositories(descriptorRequest.getRepositories()); |
| 126 | + |
| 127 | + system.collectDependencies(session, collectRequest); |
| 128 | + throw new IllegalStateException("should fail"); |
| 129 | + } |
| 130 | + } catch (Exception e) { |
| 131 | + e.printStackTrace(); |
| 132 | + if (e.getCause() instanceof UnsolvableVersionConflictException) { |
| 133 | + String cause = e.getCause().getMessage(); |
| 134 | + if (!cause.contains( |
| 135 | + "Convergence violated for org.codehaus.plexus:plexus-utils, versions present: [2.1, 1.5.5, 2.0.6]")) { |
| 136 | + throw new IllegalStateException("should fail due convergence violation"); |
| 137 | + } |
| 138 | + } else { |
| 139 | + throw new IllegalStateException("should fail due convergence violation"); |
| 140 | + } |
| 141 | + } |
| 142 | + } |
| 143 | +} |
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