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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.shared.utils.io;
20  
21  import java.io.File;
22  import java.util.ArrayList;
23  import java.util.List;
24  
25  /**
26   * @deprecated use {@code java.nio.file.FileVisitor} and related classes
27   */
28  @Deprecated
29  public class WalkCollector implements DirectoryWalkListener {
30      final List<File> steps;
31  
32      File startingDir;
33  
34      int startCount;
35  
36      int finishCount;
37  
38      int percentageLow;
39  
40      int percentageHigh;
41  
42      /**
43       * Create an instance.
44       */
45      public WalkCollector() {
46          steps = new ArrayList<File>();
47          startCount = 0;
48          finishCount = 0;
49          percentageLow = 0;
50          percentageHigh = 0;
51      }
52  
53      /** {@inheritDoc} */
54      public void debug(String message) {
55          // can be used to set some message
56      }
57  
58      /** {@inheritDoc} */
59      public void directoryWalkStarting(File basedir) {
60          startingDir = basedir;
61          startCount++;
62      }
63  
64      /** {@inheritDoc} */
65      public void directoryWalkStep(int percentage, File file) {
66          steps.add(file);
67          percentageLow = Math.min(percentageLow, percentage);
68          percentageHigh = Math.max(percentageHigh, percentage);
69      }
70  
71      /** {@inheritDoc} */
72      public void directoryWalkFinished() {
73          finishCount++;
74      }
75  }