01: /*
02: * Copyright (c) 2001-2007, Jean Tessier
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: *
09: * * 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.classreader;
34:
35: import java.util.*;
36:
37: public class LoadListenerBase implements LoadListener {
38: private LinkedList<GroupData> groups = new LinkedList<GroupData>();
39: private Collection<String> visitedFiles = new HashSet<String>();
40:
41: protected GroupData getCurrentGroup() {
42: GroupData result = null;
43:
44: if (!groups.isEmpty()) {
45: result = groups.getLast();
46: }
47:
48: return result;
49: }
50:
51: protected Collection<String> getVisitedFiles() {
52: return visitedFiles;
53: }
54:
55: public void beginSession(LoadEvent event) {
56: // Do nothing
57: }
58:
59: public void beginGroup(LoadEvent event) {
60: groups
61: .add(new GroupData(event.getGroupName(), event
62: .getSize()));
63: }
64:
65: public void beginFile(LoadEvent event) {
66: getCurrentGroup().incrementCount();
67: }
68:
69: public void beginClassfile(LoadEvent event) {
70: // Do nothing
71: }
72:
73: public void endClassfile(LoadEvent event) {
74: visitedFiles.add(event.getFilename());
75: }
76:
77: public void endFile(LoadEvent event) {
78: // Do nothing
79: }
80:
81: public void endGroup(LoadEvent event) {
82: visitedFiles.add(event.getGroupName());
83: groups.removeLast();
84: }
85:
86: public void endSession(LoadEvent event) {
87: // Do nothing
88: }
89: }
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