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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.io.File;
23  import java.util.ArrayList;
24  import java.util.List;
25  
26  import org.apache.maven.surefire.testset.TestListResolver;
27  import org.apache.maven.surefire.util.DefaultScanResult;
28  
29  /**
30   * Scans directories looking for tests.
31   *
32   * @author Karl M. Davis
33   * @author Kristian Rosenvold
34   */
35  public class DirectoryScanner
36  {
37      private final File basedir;
38  
39      private final TestListResolver includedAndExcludedTests;
40  
41      private final TestListResolver specificTests;
42  
43      public DirectoryScanner( File basedir, TestListResolver includedAndExcludedTests, TestListResolver specificTests )
44      {
45          this.basedir = basedir;
46          this.includedAndExcludedTests = includedAndExcludedTests;
47          this.specificTests = specificTests;
48      }
49  
50      public DefaultScanResult scan()
51      {
52          FileScanner scanner = new FileScanner( basedir, "class" );
53          List<String> result = new ArrayList<String>();
54          TestListResolver includedExcludedClasses = includedAndExcludedTests.createClassFilters();
55          TestListResolver specificClasses = specificTests.createClassFilters();
56          scanner.scanTo( result, includedExcludedClasses.and( specificClasses ) );
57          return new DefaultScanResult( result );
58      }
59  }