01: /*
02: * Copyright (c) 2003-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of JGoodies Karsten Lentzsch nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: package com.jgoodies.validation.tests.event;
32:
33: import java.util.LinkedList;
34: import java.util.List;
35:
36: /**
37: * The abstract superclass of the different change report implementations.
38: *
39: * @author Karsten Lentzsch
40: * @version $Revision: 1.4 $
41: *
42: * @param <E> the type of the events tracked by this report
43: */
44: abstract class AbstractChangeReport<E> {
45:
46: /**
47: * Holds a list of all received events.
48: */
49: protected List<E> events = new LinkedList<E>();
50:
51: /**
52: * If true, property changes are logged to the System console.
53: */
54: private boolean logActive;
55:
56: protected boolean isLogActive() {
57: return logActive;
58: }
59:
60: public void setLogActive(boolean active) {
61: this .logActive = active;
62: }
63:
64: protected void addEvent(E event) {
65: events.add(0, event);
66: }
67:
68: public int eventCount() {
69: return events.size();
70: }
71:
72: public boolean hasEvents() {
73: return !events.isEmpty();
74: }
75:
76: protected E getLastEvent() {
77: return events.isEmpty() ? null : events.get(0);
78: }
79:
80: }
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