01: /*
02: * Copyright (c) 2004-2005 SLF4J.ORG
03: * Copyright (c) 2004-2005 QOS.ch
04: *
05: * All rights reserved.
06: *
07: * Permission is hereby granted, free of charge, to any person obtaining
08: * a copy of this software and associated documentation files (the
09: * "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: }
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