Source Code Cross Referenced for JCLLoggerFactory.java in  » Development » SLF4J » org » slf4j » impl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Development » SLF4J » org.slf4j.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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:        }
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