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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.api.services;
20  
21  import java.util.Collection;
22  import java.util.List;
23  
24  import org.apache.maven.api.ArtifactCoordinates;
25  import org.apache.maven.api.RemoteRepository;
26  import org.apache.maven.api.Service;
27  import org.apache.maven.api.Session;
28  import org.apache.maven.api.annotations.Experimental;
29  
30  /**
31   * Resolves the artifact, i.e. download the file when required and attach it to the artifact
32   *
33   * @since 4.0.0
34   */
35  @Experimental
36  public interface ArtifactResolver extends Service {
37  
38      /**
39       * @param request {@link ArtifactResolverRequest}
40       * @return {@link ArtifactResolverResult}
41       * @throws ArtifactResolverException in case of an error
42       * @throws IllegalArgumentException in case of parameter {@code buildingRequest} is {@code null} or
43       *             parameter {@code mavenArtifact} is {@code null} or invalid
44       */
45      ArtifactResolverResult resolve(ArtifactResolverRequest request);
46  
47      /**
48       * Resolves several artifacts from their coordinates.
49       *
50       * @param session {@link Session}
51       * @param coordinates array of {@link ArtifactCoordinates}
52       * @return {@link ArtifactResolverResult}
53       * @throws ArtifactResolverException in case of an error.
54       * @throws IllegalArgumentException in case of parameter {@code buildingRequest} is {@code null} or
55       *             parameter {@code coordinates} is {@code null} or invalid
56       */
57      default ArtifactResolverResult resolve(Session session, Collection<? extends ArtifactCoordinates> coordinates) {
58          return resolve(ArtifactResolverRequest.build(session, coordinates));
59      }
60  
61      /**
62       * Resolves several artifacts from their coordinates.
63       *
64       * @param session {@link Session}
65       * @param repositories the list of remote repositories or {@code null} to use the session repositories
66       * @param coordinates array of {@link ArtifactCoordinates}
67       * @return {@link ArtifactResolverResult}
68       * @throws ArtifactResolverException in case of an error.
69       * @throws IllegalArgumentException in case of parameter {@code buildingRequest} is {@code null} or
70       *             parameter {@code coordinates} is {@code null} or invalid
71       */
72      default ArtifactResolverResult resolve(
73              Session session,
74              Collection<? extends ArtifactCoordinates> coordinates,
75              List<RemoteRepository> repositories) {
76          return resolve(ArtifactResolverRequest.build(session, coordinates, repositories));
77      }
78  }