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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.Collections;
23  import java.util.HashSet;
24  import java.util.Set;
25  import org.apache.maven.shared.utils.io.SelectorUtils;
26  
27  import javax.annotation.Nullable;
28  
29  public class SpecificFileFilter
30  {
31  
32      private static final char FS = System.getProperty( "file.separator" ).charAt( 0 );
33  
34      private Set<String> names;
35  
36      public SpecificFileFilter( @Nullable String[] classNames )
37      {
38          if ( classNames != null && classNames.length > 0 )
39          {
40              this.names = new HashSet<String>();
41              boolean isBackslashFs = '\\' == FS;
42              for ( String name : classNames )
43              {
44                  names.add( isBackslashFs ? name.replace( '/', FS ) : name );
45              }
46              Collections.addAll( names, classNames );
47          }
48      }
49  
50      public boolean accept( @Nullable String className )
51      {
52          // If the tests enumeration is empty, allow anything.
53          if ( names != null && !names.isEmpty() )
54          {
55              for ( String pattern : names )
56              {
57                  // This is the same utility used under the covers in the plexus DirectoryScanner, and
58                  // therefore in the surefire DefaultDirectoryScanner implementation.
59                  if ( SelectorUtils.matchPath( pattern, className, true ) )
60                  {
61                      return true;
62                  }
63              }
64              return false;
65          }
66          return true;
67      }
68  
69  }