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1   package org.apache.maven.plugin.surefire.util;
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.util.HashSet;
23  import java.util.Set;
24  
25  import javax.annotation.Nullable;
26  
27  import org.apache.maven.shared.utils.io.SelectorUtils;
28  
29  import static org.apache.maven.plugin.surefire.util.ScannerUtil.convertSlashToSystemFileSeparator;
30  
31  /**
32   * filters file names by a given collection of class name patterns
33   *
34   */
35  public class SpecificFileFilter
36  {
37  
38      private Set<String> names;
39  
40      public SpecificFileFilter( @Nullable String[] classNames )
41      {
42          if ( classNames != null && classNames.length > 0 )
43          {
44              this.names = new HashSet<String>();
45              for ( String name : classNames )
46              {
47                  names.add( convertSlashToSystemFileSeparator( name ) );
48              }
49          }
50      }
51  
52      public boolean accept( @Nullable String resourceName )
53      {
54          // If the tests enumeration is empty, allow anything.
55          if ( names != null && !names.isEmpty() )
56          {
57              for ( String pattern : names )
58              {
59                  // This is the same utility used under the covers in the plexus DirectoryScanner, and
60                  // therefore in the surefire DefaultDirectoryScanner implementation.
61                  if ( SelectorUtils.matchPath( pattern, resourceName, true ) )
62                  {
63                      return true;
64                  }
65              }
66              return false;
67          }
68          return true;
69      }
70  
71  }