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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.plugin.internal;
20  
21  import javax.inject.Inject;
22  import javax.inject.Named;
23  import javax.inject.Singleton;
24  
25  import java.util.Set;
26  import java.util.stream.Collectors;
27  
28  import org.apache.maven.plugin.PluginValidationManager;
29  import org.eclipse.aether.RepositorySystemSession;
30  import org.eclipse.aether.artifact.Artifact;
31  import org.eclipse.aether.graph.Dependency;
32  import org.eclipse.aether.resolution.ArtifactDescriptorResult;
33  
34  /**
35   * Detects Maven2 plugins.
36   *
37   * @since 3.9.2
38   */
39  @Singleton
40  @Named
41  class Maven2DependenciesValidator extends AbstractMavenPluginDependenciesValidator {
42  
43      @Inject
44      Maven2DependenciesValidator(PluginValidationManager pluginValidationManager) {
45          super(pluginValidationManager);
46      }
47  
48      @Override
49      protected void doValidate(
50              RepositorySystemSession session,
51              Artifact pluginArtifact,
52              ArtifactDescriptorResult artifactDescriptorResult) {
53          Set<String> maven2Versions = artifactDescriptorResult.getDependencies().stream()
54                  .map(Dependency::getArtifact)
55                  .filter(d -> "org.apache.maven".equals(d.getGroupId()))
56                  .filter(d -> !DefaultPluginValidationManager.EXPECTED_PROVIDED_SCOPE_EXCLUSIONS_GA.contains(
57                          d.getGroupId() + ":" + d.getArtifactId()))
58                  .map(Artifact::getVersion)
59                  .filter(v -> v.startsWith("2."))
60                  .collect(Collectors.toSet());
61  
62          if (!maven2Versions.isEmpty()) {
63              pluginValidationManager.reportPluginValidationIssue(
64                      PluginValidationManager.IssueLocality.EXTERNAL,
65                      session,
66                      pluginArtifact,
67                      "Plugin is a Maven 2.x plugin, which will be not supported in Maven 4.x");
68          }
69      }
70  }