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1   package org.apache.maven.plugins.assembly.filter;
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 javax.inject.Named;
23  
24  import java.nio.file.Paths;
25  
26  import org.codehaus.plexus.components.io.fileselectors.FileInfo;
27  
28  /**
29   *
30   */
31  @Named( "metaInf-services" )
32  public class MetaInfServicesHandler
33      extends AbstractLineAggregatingHandler
34  {
35  
36      private static final String SERVICES_PATH_PREFIX = "META-INF/services/";
37  
38      @Override
39      protected String getOutputPathPrefix( final FileInfo fileInfo )
40      {
41          return Paths.get( fileInfo.getName() ).getParent().toString() + "/";
42      }
43  
44      @Override
45      protected boolean fileMatches( final FileInfo fileInfo )
46      {
47          final String path = fileInfo.getName();
48  
49          String leftover = null;
50          if ( path.startsWith( SERVICES_PATH_PREFIX ) )
51          {
52              leftover = path.substring( SERVICES_PATH_PREFIX.length() );
53          }
54          else if ( path.startsWith( "/META-INF/services/" ) )
55          {
56              leftover = path.substring( SERVICES_PATH_PREFIX.length() - 1 );
57          }
58  
59          return leftover != null && leftover.length() > 0;
60      }
61  
62  }