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