1 package org.apache.maven.shared.utils.io;
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 /**
27 *
28 */
29 public class WalkCollector
30 implements DirectoryWalkListener
31 {
32 final List<File> steps;
33
34 File startingDir;
35
36 int startCount;
37
38 int finishCount;
39
40 int percentageLow;
41
42 int percentageHigh;
43
44 /**
45 * Create an instance.
46 */
47 public WalkCollector()
48 {
49 steps = new ArrayList<File>();
50 startCount = 0;
51 finishCount = 0;
52 percentageLow = 0;
53 percentageHigh = 0;
54 }
55
56 /** {@inheritDoc} */
57 public void debug( String message )
58 {
59 // can be used to set some message
60 }
61
62 /** {@inheritDoc} */
63 public void directoryWalkStarting( File basedir )
64 {
65 startingDir = basedir;
66 startCount++;
67 }
68
69 /** {@inheritDoc} */
70 public void directoryWalkStep( int percentage, File file )
71 {
72 steps.add( file );
73 percentageLow = Math.min( percentageLow, percentage );
74 percentageHigh = Math.max( percentageHigh, percentage );
75 }
76
77 /** {@inheritDoc} */
78 public void directoryWalkFinished()
79 {
80 finishCount++;
81 }
82 }