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1   package org.apache.maven.project;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.List;
23  
24  import org.apache.maven.artifact.InvalidRepositoryException;
25  import org.apache.maven.artifact.repository.ArtifactRepository;
26  import org.apache.maven.model.Model;
27  import org.apache.maven.model.Repository;
28  import org.apache.maven.plugin.PluginResolutionException;
29  import org.apache.maven.plugin.version.PluginVersionResolutionException;
30  
31  /**
32   * Assists the project builder. <strong>Warning:</strong> This is an internal utility interface that is only public for
33   * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
34   * prior notice.
35   *
36   * @author Benjamin Bentmann
37   */
38  public interface ProjectBuildingHelper
39  {
40  
41      /**
42       * Creates the effective artifact repositories from the specified POM repositories.
43       *
44       * @param pomRepositories The POM repositories to create the artifact repositories from, must not be {@code null}.
45       * @param externalRepositories The external (and already mirrored) repositories to merge into the result list, may
46       *            be {@code null}.
47       * @param request The project building request holding further settings like repository settings, must not be
48       *            {@code null}.
49       * @return The effective artifact repositories, never {@code null}.
50       * @throws InvalidRepositoryException
51       */
52      List<ArtifactRepository> createArtifactRepositories( List<Repository> pomRepositories,
53                                                           List<ArtifactRepository> externalRepositories,
54                                                           ProjectBuildingRequest request )
55          throws InvalidRepositoryException;
56  
57      /**
58       * Creates the project realm that hosts the build extensions of the specified model.
59       *
60       * @param project The project to create the project realm for, must not be {@code null}
61       * @param model The model to create the project realm for, must not be {@code null}
62       * @param request The project building request holding further settings like repository settings, must not be
63       *            {@code null}.
64       * @return The record with the project realm and extension artifact filter, never {@code null}.
65       * @throws PluginResolutionException If any build extension could not be resolved.
66       */
67      ProjectRealmCache.CacheRecord createProjectRealm( MavenProject project, Model model,
68                                                        ProjectBuildingRequest request )
69          throws PluginResolutionException, PluginVersionResolutionException;
70  
71      /**
72       * Updates the context class loader such that the container will search the project realm when the model builder
73       * injects the lifecycle bindings from the packaging in the next step. The context class loader is to be reset by
74       * the project builder when the project is fully assembled.
75       *
76       * @param project The project whose class realm should be selected, must not be {@code null}.
77       */
78      void selectProjectRealm( MavenProject project );
79  
80  }