1 /**
2 * Copyright (c) 2004-2011 QOS.ch
3 * All rights reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25 package org.slf4j.impl;
26
27 import org.slf4j.ILoggerFactory;
28 import org.slf4j.LoggerFactory;
29 import org.slf4j.spi.LoggerFactoryBinder;
30
31 /**
32 * The binding of {@link LoggerFactory} class with an actual instance of
33 * {@link ILoggerFactory} is performed using information returned by this class.
34 *
35 *
36 * @author Ceki Gülcü
37 */
38 public class StaticLoggerBinder implements LoggerFactoryBinder {
39
40 /**
41 * The unique instance of this class.
42 *
43 */
44 private static final StaticLoggerBinder SINGLETON = new StaticLoggerBinder();
45
46 /**
47 * Return the singleton of this class.
48 *
49 * @return the StaticLoggerBinder singleton
50 */
51 public static final StaticLoggerBinder getSingleton() {
52 return SINGLETON;
53 }
54
55 /**
56 * Declare the version of the SLF4J API this implementation is compiled against.
57 * The value of this field is modified with each major release.
58 */
59 // to avoid constant folding by the compiler, this field must *not* be final
60 public static String REQUESTED_API_VERSION = "1.6.99"; // !final
61
62 private static final String loggerFactoryClassStr = MavenSimpleLoggerFactory.class.getName();
63
64 /**
65 * The ILoggerFactory instance returned by the {@link #getLoggerFactory}
66 * method should always be the same object
67 */
68 private final ILoggerFactory loggerFactory;
69
70 private StaticLoggerBinder() {
71 loggerFactory = new MavenSimpleLoggerFactory();
72 }
73
74 public ILoggerFactory getLoggerFactory() {
75 return loggerFactory;
76 }
77
78 public String getLoggerFactoryClassStr() {
79 return loggerFactoryClassStr;
80 }
81 }