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1   package org.apache.maven.surefire;
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  import org.apache.maven.surefire.util.ScannerFilter;
27  
28  /**
29   * Filter for test class files
30   *
31   */
32  public class SpecificTestClassFilter
33      implements ScannerFilter
34  {
35  
36      private static final char FS = System.getProperty( "file.separator" ).charAt( 0 );
37  
38      private static final String JAVA_CLASS_FILE_EXTENSION = ".class";
39  
40      private Set<String> names;
41  
42      public SpecificTestClassFilter( String[] classNames )
43      {
44          if ( classNames != null && classNames.length > 0 )
45          {
46              this.names = new HashSet<String>();
47              Collections.addAll( names, classNames );
48          }
49      }
50  
51      public boolean accept( Class testClass )
52      {
53          // If the tests enumeration is empty, allow anything.
54          boolean result = true;
55  
56          if ( names != null && !names.isEmpty() )
57          {
58              String className = testClass.getName().replace( '.', FS ) + JAVA_CLASS_FILE_EXTENSION;
59  
60              boolean found = false;
61              for ( String pattern : names )
62              {
63                  if ( '\\' == FS )
64                  {
65                      pattern = pattern.replace( '/', FS );
66                  }
67  
68                  // This is the same utility used under the covers in the plexus DirectoryScanner, and
69                  // therefore in the surefire DefaultDirectoryScanner implementation.
70                  if ( SelectorUtils.matchPath( pattern, className, true ) )
71                  {
72                      found = true;
73                      break;
74                  }
75              }
76  
77              if ( !found )
78              {
79                  result = false;
80              }
81          }
82  
83          return result;
84      }
85  
86  }