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1 /*
2  * Copyright (c) 2004-2007 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;
26
27
28 /**
29  * <code>ILoggerFactory</code> instances manufacture {@link Logger}
30  * instances by name.
31  *
32  * <p>Most users retrieve {@link Logger} instances through the static
33  * {@link LoggerFactory#getLogger(String)} method. An instance of of this
34  * interface is bound internally with {@link LoggerFactory} class at
35  * compile time.
36  *
37  * @author Ceki G&uuml;lc&uuml;
38  */

39 public interface ILoggerFactory {
40   
41   /**
42    * Return an appropriate {@link Logger} instance as specified by the
43    * <code>name</code> parameter.
44    *
45    * <p>If the name parameter is equal to {@link Logger#ROOT_LOGGER_NAME}, that is
46    * the string value "ROOT" (case insensitive), then the root logger of the
47    * underlying logging system is returned.
48    *
49    * <p>Null-valued name arguments are considered invalid.
50    *
51    * <p>Certain extremely simple logging systems, e.g. NOP, may always
52    * return the same logger instance regardless of the requested name.
53    *
54    * @param name the name of the Logger to return
55    */

56   public Logger getLogger(String JavaDoc name);
57 }
58
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