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Java > Open Source Codes > com > jeantessier > dependencyfinder > VerboseListenerBase


1 /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of Jean Tessier nor the names of his contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */

32
33 package com.jeantessier.dependencyfinder;
34
35 import com.jeantessier.classreader.*;
36
37 public class VerboseListenerBase extends LoadListenerBase {
38     private String JavaDoc ratioIndicator = "";
39     
40     protected String JavaDoc getRatioIndicator() {
41         return ratioIndicator;
42     }
43     
44     private void setRatioIndicator(String JavaDoc ratioIndicator) {
45         this.ratioIndicator = ratioIndicator;
46     }
47     
48     private int computeCurrentRatio() {
49         return getCurrentGroup().getCount() * 100 / getCurrentGroup().getSize();
50     }
51     
52     public void beginFile(LoadEvent event) {
53         int previousRatio = computeCurrentRatio();
54
55         super.beginFile(event);
56         
57         if (getCurrentGroup().getSize() > 0) {
58             int newRatio = computeCurrentRatio();
59             
60             if (previousRatio != newRatio) {
61                 StringBuffer JavaDoc buffer = new StringBuffer JavaDoc(4);
62
63                 if (newRatio < 10) {
64                     buffer.append(" ");
65                 }
66                 if (newRatio < 100) {
67                     buffer.append(" ");
68                 }
69                 buffer.append(newRatio).append("%");
70
71                 setRatioIndicator(buffer.toString());
72             } else {
73                 setRatioIndicator("");
74             }
75         }
76     }
77 }
78
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