1 package org.apache.maven.plugins.assembly.io;
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 *
24 */
25 class PrefixedClasspathLocatorStrategy
26 extends ClasspathResourceLocatorStrategy
27 {
28
29 private final String prefix;
30
31 PrefixedClasspathLocatorStrategy( String prefix )
32 {
33 this.prefix = formatPrefix( prefix );
34 }
35
36 private String formatPrefix( String prefix )
37 {
38 if ( prefix.startsWith( "/" ) )
39 {
40 prefix = prefix.substring( 1 );
41 }
42
43 if ( prefix.length() > 0 && !prefix.endsWith( "/" ) )
44 {
45 prefix += "/";
46 }
47
48 return prefix;
49 }
50
51 @Override
52 public Location resolve( String locationSpecification, MessageHolder messageHolder )
53 {
54 String spec = formatLocation( locationSpecification );
55
56 return super.resolve( spec, messageHolder );
57 }
58
59 private String formatLocation( String location )
60 {
61 if ( location.startsWith( "/" ) )
62 {
63 location = location.substring( 1 );
64 }
65
66 return prefix + location;
67 }
68
69 }