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1   package org.apache.maven.plugin.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 org.codehaus.plexus.component.annotations.Component;
23  import org.codehaus.plexus.components.io.fileselectors.FileInfo;
24  
25  @Component( role = ContainerDescriptorHandler.class, hint = "metaInf-services" )
26  public class MetaInfServicesHandler
27      extends AbstractLineAggregatingHandler
28  {
29  
30      private static final String SERVICES_PATH_PREFIX = "META-INF/services/";
31  
32      @Override
33      protected String getOutputPathPrefix( final FileInfo fileInfo )
34      {
35          return SERVICES_PATH_PREFIX;
36      }
37  
38      @Override
39      protected boolean fileMatches( final FileInfo fileInfo )
40      {
41          final String path = fileInfo.getName();
42  
43          String leftover = null;
44          if ( path.startsWith( SERVICES_PATH_PREFIX ) )
45          {
46              leftover = path.substring( SERVICES_PATH_PREFIX.length() );
47          }
48          else if ( path.startsWith( "/META-INF/services/" ) )
49          {
50              leftover = path.substring( SERVICES_PATH_PREFIX.length() - 1 );
51          }
52  
53          return leftover != null && leftover.length() > 0;
54      }
55  
56  }