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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.plugins.shade.resource;
20  
21  import java.io.IOException;
22  import java.io.InputStream;
23  import java.util.List;
24  import java.util.jar.JarOutputStream;
25  
26  import org.apache.maven.plugins.shade.relocation.Relocator;
27  
28  /**
29   * A resource processor that prevents the inclusion of an arbitrary
30   * resource into the shaded JAR.
31   */
32  public class DontIncludeResourceTransformer extends AbstractCompatibilityTransformer {
33      String resource;
34  
35      List<String> resources;
36  
37      public boolean canTransformResource(String r) {
38          if ((resource != null && !resource.isEmpty()) && r.endsWith(resource)) {
39              return true;
40          }
41  
42          if (resources != null) {
43              for (String resourceEnd : resources) {
44                  if (r.endsWith(resourceEnd)) {
45                      return true;
46                  }
47              }
48          }
49  
50          return false;
51      }
52  
53      public void processResource(String resource, InputStream is, List<Relocator> relocators, long time)
54              throws IOException {
55          // no op
56      }
57  
58      public boolean hasTransformedResource() {
59          return false;
60      }
61  
62      public void modifyOutputStream(JarOutputStream os) throws IOException {
63          // no op
64      }
65  }