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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.repository.legacy.metadata;
20  
21  import java.util.List;
22  import org.apache.maven.artifact.Artifact;
23  import org.apache.maven.artifact.repository.ArtifactRepository;
24  import org.apache.maven.artifact.versioning.ArtifactVersion;
25  
26  /**
27   * Provides some metadata operations, like querying the remote repository for a list of versions available for an
28   * artifact.
29   *
30   * @author <a href="mailto:jason@maven.org">Jason van Zyl </a>
31   */
32  public interface ArtifactMetadataSource {
33  
34      ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException;
35  
36      ResolutionGroup retrieve(
37              Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
38              throws ArtifactMetadataRetrievalException;
39  
40      /**
41       * Get a list of available versions for an artifact in the remote repository
42       *
43       * @param artifact           artifact we are interested in. Only <code>groupid</code> and <code>artifactId</code>
44       *                           are needed, for instance the following code will work
45       *                           <code>artifactFactory.createProjectArtifact( "org.apache.maven", "maven", "" )</code>
46       * @param localRepository    local repository
47       * @param remoteRepositories remote repositories, {@link List} $lt; {@link ArtifactRepository} &gt;
48       * @return {@link List} $lt; {@link ArtifactVersion} &gt;
49       * @throws ArtifactMetadataRetrievalException
50       *          in case of error while retrieving repository metadata from the repository.
51       */
52      List<ArtifactVersion> retrieveAvailableVersions(
53              Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
54              throws ArtifactMetadataRetrievalException;
55  
56      /**
57       * Get a list of available versions for an artifact in the remote deployment repository. This ignores any update
58       * policy checks and mirrors and always retrieves the latest information from the given repository.
59       *
60       * @param artifact artifact we are interested in. Only <code>groupid</code> and <code>artifactId</code> are
61       *            needed, for instance the following code will work
62       *            <code>artifactFactory.createProjectArtifact( "org.apache.maven", "maven", "" )</code>
63       * @param localRepository    local repository
64       * @param remoteRepository   remote repository
65       * @return {@link List} $lt; {@link ArtifactVersion} &gt;
66       * @throws ArtifactMetadataRetrievalException
67       *          in case of error while retrieving repository metadata from the repository.
68       */
69      List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(
70              Artifact artifact, ArtifactRepository localRepository, ArtifactRepository remoteRepository)
71              throws ArtifactMetadataRetrievalException;
72  }