1 /*
2 * Copyright 2001-2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.apache.log4j;
18
19 import org.apache.log4j.spi.LoggerFactory;
20
21 import java.util.Enumeration;
22 import java.util.Vector;
23
24 /**
25 * <p>
26 * This class is a minimal implementation of the original
27 * <code>org.apache.log4j.LogManager</code> class (as found in log4j 1.2)
28 * delegating all calls to SLF4J.
29 * <p>
30 * This implementation does <b>NOT</b> implement the setRepositorySelector(),
31 * getLoggerRepository(), exists(), getCurrentLoggers(), shutdown() and
32 * resetConfiguration() methods which do not have SLF4J equivalents.
33 *
34 * @author Ceki Gülcü
35 */
36 @SuppressWarnings("rawtypes")
37 public class LogManager {
38
39 public static Logger getRootLogger() {
40 return Log4jLoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
41 }
42
43 public static Logger getLogger(final String name) {
44 return Log4jLoggerFactory.getLogger(name);
45 }
46
47 public static Logger getLogger(final Class clazz) {
48 return Log4jLoggerFactory.getLogger(clazz.getName());
49 }
50
51 /**
52 * Returns a logger instance created by loggerFactory. This method was requested in
53 * <a href="http://jira.qos.ch/browse/SLF4J-225">SLF4J-225</a>. Note that
54 * log4j-over-slf4j does not ship with a LoggerFactory implementation. If this
55 * method is called, the caller must provide his/her own implementation.
56 *
57 * @param name the name of the desired logger
58 * @param loggerFactory an instance of {@link LoggerFactory}
59 * @return returns a logger instance created by loggerFactory
60 * @since 1.6.6
61 */
62 public static Logger getLogger(String name, LoggerFactory loggerFactory) {
63 return loggerFactory.makeNewLoggerInstance(name);
64 }
65
66 /**
67 * This bogus implementation returns an empty enumeration.
68 *
69 * @return an Enumeration of current loggers
70 */
71 public static Enumeration getCurrentLoggers() {
72 return new Vector().elements();
73 }
74
75 /**
76 * Implemented as NOP.
77 */
78 public static void shutdown() {
79 }
80
81 /**
82 * Implemented as NOP.
83 */
84 public static void resetConfiguration() {
85 }
86 }