1 /*
2 * Copyright (c) 2004-2005 SLF4J.ORG
3 * Copyright (c) 2004-2005 QOS.ch
4 *
5 * All rights reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, and/or sell copies of the Software, and to permit persons
12 * to whom the Software is furnished to do so, provided that the above
13 * copyright notice(s) and this permission notice appear in all copies of
14 * the Software and that both the above copyright notice(s) and this
15 * permission notice appear in supporting documentation.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
20 * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
21 * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY
22 * SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
23 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
24 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
25 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 *
27 * Except as contained in this notice, the name of a copyright holder
28 * shall not be used in advertising or otherwise to promote the sale, use
29 * or other dealings in this Software without prior written authorization
30 * of the copyright holder.
31 *
32 */
33
34 package org.slf4j.impl;
35
36 import org.slf4j.Logger;
37 import org.slf4j.ILoggerFactory;
38
39 import java.util.HashMap;
40 import java.util.Map;
41
42 /**
43 * JDK14LoggerFactory is an implementation of {@link ILoggerFactory} returning
44 * the appropriately named {@link JDK14LoggerAdapter} instance.
45 *
46 * @author Ceki Gülcü
47 */
48 public class JDK14LoggerFactory implements ILoggerFactory {
49
50 // key: name (String), value: a JDK14LoggerAdapter;
51 Map loggerMap;
52
53 public JDK14LoggerFactory() {
54 loggerMap = new HashMap();
55 }
56
57 /*
58 * (non-Javadoc)
59 *
60 * @see org.slf4j.ILoggerFactory#getLogger(java.lang.String)
61 */
62 public synchronized Logger getLogger(String name) {
63 Logger ulogger = null;
64 // protect against concurrent access of loggerMap
65 synchronized (this) {
66 // the root logger is called "" in JUL
67 if(name.equalsIgnoreCase(Logger.ROOT_LOGGER_NAME)) {
68 name = "";
69 }
70 ulogger = (Logger) loggerMap.get(name);
71 if (ulogger == null) {
72 java.util.logging.Logger logger = java.util.logging.Logger
73 .getLogger(name);
74 ulogger = new JDK14LoggerAdapter(logger);
75 loggerMap.put(name, ulogger);
76 }
77 }
78 return ulogger;
79 }
80 }