1 package org.apache.maven.plugins.shade.resource;
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.IOException;
23 import java.io.InputStream;
24 import java.util.HashSet;
25 import java.util.List;
26 import java.util.Set;
27 import java.util.jar.JarOutputStream;
28
29 /**
30 * Prevents duplicate copies of the license
31 */
32 public class ApacheLicenseResourceTransformer
33 implements ResourceTransformer
34 {
35
36 private static final String LICENSE_PATH = "META-INF/LICENSE";
37
38 private static final String LICENSE_TXT_PATH = "META-INF/LICENSE.txt";
39
40 public boolean canTransformResource( String resource )
41 {
42 if ( LICENSE_PATH.equalsIgnoreCase( resource )
43 || LICENSE_TXT_PATH.regionMatches( true, 0, resource, 0, LICENSE_TXT_PATH.length() ) )
44 {
45 return true;
46 }
47
48 return false;
49 }
50
51 public void processResource( String resource, InputStream is, List relocators )
52 throws IOException
53 {
54
55 }
56
57 public boolean hasTransformedResource()
58 {
59 return false;
60 }
61
62 public void modifyOutputStream( JarOutputStream os )
63 throws IOException
64 {
65 }
66 }