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1   package org.codehaus.plexus.util;
2   
3   /*
4    * Copyright The Codehaus Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * 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, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import java.io.File;
20  import java.util.ArrayList;
21  import java.util.List;
22  
23  class WalkCollector
24      implements DirectoryWalkListener
25  {
26      public List<File> steps;
27  
28      public File startingDir;
29  
30      public int startCount;
31  
32      public int finishCount;
33  
34      public int percentageLow;
35  
36      public int percentageHigh;
37  
38      public WalkCollector()
39      {
40          steps = new ArrayList<File>();
41          startCount = 0;
42          finishCount = 0;
43          percentageLow = 0;
44          percentageHigh = 0;
45      }
46  
47      public void directoryWalkStarting( File basedir )
48      {
49          debug( "Walk Starting: " + basedir );
50          startCount++;
51          startingDir = basedir;
52      }
53  
54      public void directoryWalkStep( int percentage, File file )
55      {
56          percentageLow = Math.min( percentageLow, percentage );
57          percentageHigh = Math.max( percentageHigh, percentage );
58          debug( "Walk Step: [" + percentage + "%] " + file );
59          steps.add( file );
60      }
61  
62      public void directoryWalkFinished()
63      {
64          debug( "Walk Finished." );
65          finishCount++;
66      }
67  
68      public void debug( String message )
69      {
70          System.out.println( message );
71      }
72  }