1 package org.apache.maven;
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 java.io.File;
23 import java.util.LinkedHashMap;
24 import java.util.List;
25 import java.util.Map;
26
27 /**
28 * Signals a collision of two or more projects with the same g:a:v during a reactor build.
29 *
30 * @author Benjamin Bentmann
31 */
32 public class DuplicateProjectException
33 extends MavenExecutionException
34 {
35
36 private Map<String, List<File>> collisions;
37
38 /**
39 * Creates a new exception with specified details.
40 *
41 * @param message The message text, may be {@code null}.
42 * @param collisions The POM files of the projects that collided, indexed by their g:a:v, may be {@code null}.
43 */
44 public DuplicateProjectException( String message, Map<String, List<File>> collisions )
45 {
46 super( message, (File) null );
47
48 this.collisions = ( collisions != null ) ? collisions : new LinkedHashMap<String, List<File>>();
49 }
50
51 /**
52 * Gets the POM files of the projects that collided.
53 *
54 * @return The POM files of the projects that collided, indexed by their g:a:v, never {@code null}.
55 */
56 public Map<String, List<File>> getCollisions()
57 {
58 return collisions;
59 }
60
61 }