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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 org.apache.maven.artifact.repository.ArtifactRepository;
22  import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException;
23  
24  /**
25   * Contains metadata about an artifact, and methods to retrieve/store it from an artifact repository.
26   * TODO merge with artifactmetadatasource
27   * TODO retrieval exception not appropriate for store
28   *
29   */
30  public interface ArtifactMetadata {
31      /**
32       * Whether this metadata should be stored alongside the artifact.
33       *
34       * @return whether this metadata should be stored alongside the artifact
35       */
36      boolean storedInArtifactVersionDirectory();
37  
38      /**
39       * Whether this metadata should be stored alongside the group.
40       *
41       * @return whether this metadata should be stored alongside the group
42       */
43      boolean storedInGroupDirectory();
44  
45      String getGroupId();
46  
47      String getArtifactId();
48  
49      String getBaseVersion();
50  
51      Object getKey();
52  
53      /**
54       * Get the filename of this metadata on the local repository.
55       *
56       * @param repository the remote repository it came from
57       * @return the filename
58       */
59      String getLocalFilename(ArtifactRepository repository);
60  
61      /**
62       * Get the filename of this metadata on the remote repository.
63       *
64       * @return the filename
65       */
66      String getRemoteFilename();
67  
68      /**
69       * Merge a new metadata set into this piece of metadata.
70       * TODO this should only be needed on the repository metadata {@link org.apache.maven.artifact.metadata.ArtifactMetadata}
71       *
72       * @param metadata the new metadata
73       */
74      void merge(ArtifactMetadata metadata);
75  
76      /**
77       * Store the metadata in the local repository.
78       * TODO this should only be needed on the repository metadata {@link org.apache.maven.artifact.metadata.ArtifactMetadata}
79       *
80       * @param localRepository  the local repository
81       * @param remoteRepository the remote repository it came from
82       * @throws RepositoryMetadataStoreException in case of issue
83       */
84      void storeInLocalRepository(ArtifactRepository localRepository, ArtifactRepository remoteRepository)
85              throws RepositoryMetadataStoreException;
86  
87      String extendedToString();
88  }