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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 org.apache.maven.plugins.shade.relocation.Relocator;
23  
24  import java.io.IOException;
25  import java.io.InputStream;
26  import java.util.List;
27  import java.util.jar.JarOutputStream;
28  
29  /** @author Jason van Zyl */
30  public interface ResourceTransformer
31  {
32      boolean canTransformResource( String resource );
33  
34      /**
35       * Transform an individual resource
36       * @param resource The resource name
37       * @param is An input stream for the resource, the implementation should *not* close this stream
38       * @param relocators  A list of relocators
39       * @throws IOException When the IO blows up
40       * @deprecated prefer ReproducibleResourceTransformer
41       */
42      void processResource( String resource, InputStream is, List<Relocator> relocators )
43          throws IOException;
44  
45      boolean hasTransformedResource();
46  
47      void modifyOutputStream( JarOutputStream os )
48          throws IOException;
49  }