1 package org.apache.maven.plugin.descriptor;
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 /**
23 * Describes a component requirement.
24 *
25 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
26 */
27 public class Requirement
28 implements Cloneable
29 {
30 private final String role;
31
32 private final String roleHint;
33
34 public Requirement( String role )
35 {
36 this.role = role;
37 this.roleHint = null;
38 }
39
40 public Requirement( String role, String roleHint )
41 {
42 this.role = role;
43 this.roleHint = roleHint;
44 }
45
46 public String getRole()
47 {
48 return role;
49 }
50
51 public String getRoleHint()
52 {
53 return roleHint;
54 }
55
56 /**
57 * Creates a shallow copy of this requirement.
58 */
59 @Override
60 public Requirement clone()
61 {
62 try
63 {
64 return (Requirement) super.clone();
65 }
66 catch ( CloneNotSupportedException e )
67 {
68 throw new UnsupportedOperationException( e );
69 }
70 }
71
72 }