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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.plugin.surefire.util;
20  
21  import java.io.File;
22  import java.util.ArrayList;
23  import java.util.List;
24  
25  import org.apache.maven.surefire.api.testset.TestListResolver;
26  import org.apache.maven.surefire.api.util.DefaultScanResult;
27  
28  /**
29   * Scans directories looking for tests.
30   *
31   * @author Karl M. Davis
32   * @author Kristian Rosenvold
33   */
34  public class DirectoryScanner {
35      private final File basedir;
36  
37      private final TestListResolver filter;
38  
39      public DirectoryScanner(File basedir, TestListResolver filter) {
40          this.basedir = basedir;
41          this.filter = filter;
42      }
43  
44      public DefaultScanResult scan() {
45          FileScanner scanner = new FileScanner(basedir, "class");
46          List<String> result = new ArrayList<>();
47          scanner.scanTo(result, filter);
48          return new DefaultScanResult(result);
49      }
50  }