1 /*
2 * This file is part of AceLogger.
3 *
4 * AceLogger is free software: you can redistribute it and/or modify it under the terms of the GNU
5 * Lesser General Public License as published by the Free Software Foundation, either version 3 of
6 * the License, or (at your option) any later version.
7 *
8 * AceLogger is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
9 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU Lesser General Public License along with AceLogger.
13 * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
14 */
15 package net.sourceforge.acelogger.appender;
16
17 import net.sourceforge.acelogger.LogEvent;
18
19 /**
20 * A implementation of {@link Appender} that do nothing.
21 *
22 * @author Zardi (https://sourceforge.net/users/daniel_zardi)
23 * @version 1.0.0
24 * @since 1.0.0
25 */
26 public final class EmptyAppender implements Appender {
27
28 /**
29 * The identifier of this appender.
30 *
31 * @since 1.0.0
32 */
33 private String identifier;
34
35 /**
36 * Constructs a EmptyAppender using the supplied identifier.
37 *
38 * @param identifier
39 * The identifier of this appender.
40 * @since 1.0.0
41 */
42 public EmptyAppender(String identifier) {
43 setIdentifier(identifier);
44 }
45
46 /** {@inheritDoc} */
47 public String getIdentifier() {
48 return identifier;
49 }
50
51 /**
52 * Sets the string that identifies this object.
53 *
54 * @param identifier
55 * The identifier of this object.
56 * @since 1.0.0
57 */
58 private void setIdentifier(String identifier) {
59 if (identifier == null) {
60 this.identifier = "";
61 } else {
62 this.identifier = identifier;
63 }
64 }
65
66 /** {@inheritDoc} */
67 public void appendLog(LogEvent call) {
68 // REMARK: Intentionally left blank.
69 }
70
71 /** {@inheritDoc} */
72 public void appendFooter() {
73 // REMARK: Intentionally left blank.
74 }
75
76 /** {@inheritDoc} */
77 public void appendHeader() {
78 // REMARK: Intentionally left blank.
79 }
80
81 /** {@inheritDoc} */
82 public void close() {
83 // REMARK: Intentionally left blank.
84 }
85
86 /** {@inheritDoc} */
87 public void open() {
88 // REMARK: Intentionally left blank.
89 }
90
91 }