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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.artifact.handler;
20  
21  /**
22   * An artifact handler defines for a dependency type, defined as Plexus role:<ul>
23   * <li>extension and classifier, to be able to download the file,</li>
24   * <li>information on how to use the artifact: whether to add it to the classpath, or to take into account its
25   * dependencies.</li>
26   * </ul>
27   *
28   * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
29   */
30  public interface ArtifactHandler {
31      String ROLE = ArtifactHandler.class.getName();
32  
33      /**
34       * Get the file extension associated to the file represented by the dependency type.
35       *
36       * @return the file extension
37       */
38      String getExtension();
39  
40      String getDirectory();
41  
42      /**
43       * Get the classifier associated to the dependency type.
44       *
45       * @return the classifier
46       */
47      String getClassifier();
48  
49      String getPackaging();
50  
51      boolean isIncludesDependencies();
52  
53      String getLanguage();
54  
55      boolean isAddedToClasspath();
56  }