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;
20
21 import java.io.File;
22 import java.util.LinkedHashMap;
23 import java.util.List;
24 import java.util.Map;
25
26 /**
27 * Signals a collision of two or more projects with the same g:a:v during a reactor build.
28 *
29 * @author Benjamin Bentmann
30 */
31 public class DuplicateProjectException extends MavenExecutionException {
32
33 private Map<String, List<File>> collisions;
34
35 /**
36 * Creates a new exception with specified details.
37 *
38 * @param message The message text, may be {@code null}.
39 * @param collisions The POM files of the projects that collided, indexed by their g:a:v, may be {@code null}.
40 */
41 public DuplicateProjectException(String message, Map<String, List<File>> collisions) {
42 super(message, (File) null);
43
44 this.collisions = (collisions != null) ? collisions : new LinkedHashMap<>();
45 }
46
47 /**
48 * Gets the POM files of the projects that collided.
49 *
50 * @return The POM files of the projects that collided, indexed by their g:a:v, never {@code null}.
51 */
52 public Map<String, List<File>> getCollisions() {
53 return collisions;
54 }
55 }