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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;
20  
21  import org.apache.maven.api.annotations.Experimental;
22  import org.apache.maven.api.annotations.Immutable;
23  import org.apache.maven.api.annotations.Nonnull;
24  
25  /**
26   * The {@code Coordinate} object is used to point to an {@link Artifact}
27   * but the version may be specified as a range instead of an exact version.
28   *
29   * @since 4.0
30   */
31  @Experimental
32  @Immutable
33  public interface ArtifactCoordinate {
34  
35      /**
36       * The groupId of the artifact.
37       *
38       * @return the groupId
39       */
40      @Nonnull
41      String getGroupId();
42  
43      /**
44       * The artifactId of the artifact.
45       *
46       * @return the artifactId
47       */
48      @Nonnull
49      String getArtifactId();
50  
51      /**
52       * The classifier of the artifact.
53       *
54       * @return the classifier or an empty string if none, never {@code null}
55       */
56      @Nonnull
57      String getClassifier();
58  
59      /**
60       * The version of the artifact.
61       *
62       * @return the version
63       */
64      @Nonnull
65      VersionRange getVersion();
66  
67      /**
68       * The extension of the artifact.
69       *
70       * @return the extension or an empty string if none, never {@code null}
71       */
72      @Nonnull
73      String getExtension();
74  
75      /**
76       * Unique id identifying this artifact
77       */
78      default String getId() {
79          return getGroupId()
80                  + ":" + getArtifactId()
81                  + ":" + getExtension()
82                  + (getClassifier().isEmpty() ? "" : ":" + getClassifier())
83                  + ":" + getVersion();
84      }
85  }