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 java.util.HashMap;
37: import java.util.Map;
38:
39: import org.apache.commons.logging.LogFactory;
40: import org.slf4j.ILoggerFactory;
41: import org.slf4j.Logger;
42:
43: /**
44: * JCLLoggerFactory is an implementation of {@link ILoggerFactory} returning the
45: * appropriately named {@link JCLLoggerAdapter} instance.
46: *
47: * @author Ceki Gülcü
48: */
49: public class JCLLoggerFactory implements ILoggerFactory {
50:
51: // key: name (String), value: a JCLLoggerAdapter;
52: Map loggerMap;
53:
54: public JCLLoggerFactory() {
55: loggerMap = new HashMap();
56: }
57:
58: /*
59: * (non-Javadoc)
60: *
61: * @see org.slf4j.ILoggerFactory#getLogger(java.lang.String)
62: */
63: public Logger getLogger(String name) {
64: Logger logger = null;
65: // protect against concurrent access of loggerMap
66: synchronized (this ) {
67: logger = (Logger) loggerMap.get(name);
68: if (logger == null) {
69: org.apache.commons.logging.Log jclLogger = LogFactory
70: .getLog(name);
71: logger = new JCLLoggerAdapter(jclLogger, name);
72: loggerMap.put(name, logger);
73: }
74: }
75: return logger;
76: }
77: }
|