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1   package org.apache.maven.project;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.maven.artifact.Artifact;
23  
24  /**
25   * This exception is thrown if an application attempts to attach
26   * two of the same artifacts to a single project.
27   *
28   * @author pgier
29   * @author jdcasey
30   * TODO Make this a checked exception, and modify the API of MavenProjectHelper.
31   * Currently, this modification would create compatibility problems for existing plugins.
32   */
33  public class DuplicateArtifactAttachmentException
34      extends RuntimeException
35  {
36  
37      private static final String DEFAULT_MESSAGE = "Duplicate artifact attachment detected.";
38  
39      private Artifact artifact;
40  
41      private final MavenProject project;
42  
43      public DuplicateArtifactAttachmentException( MavenProject project, Artifact artifact )
44      {
45          super( constructMessage( project, artifact ) );
46          this.project = project;
47          this.artifact = artifact;
48      }
49  
50      private static String constructMessage( MavenProject project, Artifact artifact )
51      {
52          return DEFAULT_MESSAGE + " (project: " + project.getId() + "; illegal attachment: " + artifact.getId() + ")";
53      }
54  
55      public MavenProject getProject()
56      {
57          return project;
58      }
59  
60      public Artifact getArtifact()
61      {
62          return artifact;
63      }
64  }