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 import org.slf4j.spi.LocationAwareLogger;
21
22 /**
23 * <p>
24 * This class is a minimal implementation of the original
25 * <code>org.apache.log4j.Logger</code> class (as found in log4j 1.2)
26 * delegating all calls to a {@link org.slf4j.Logger} instance.
27 *
28 *
29 * @author Ceki Gülcü
30 * */
31 @SuppressWarnings("rawtypes")
32 public class Logger extends Category {
33
34 private static final String LOGGER_FQCN = Logger.class.getName();
35
36 protected Logger(String name) {
37 super(name);
38 }
39
40 public static Logger getLogger(String name) {
41 return Log4jLoggerFactory.getLogger(name);
42 }
43
44 public static Logger getLogger(String name, LoggerFactory loggerFactory) {
45 return Log4jLoggerFactory.getLogger(name, loggerFactory);
46 }
47
48 public static Logger getLogger(Class clazz) {
49 return getLogger(clazz.getName());
50 }
51
52 /**
53 * Does the obvious.
54 *
55 * @return the root logger
56 */
57 public static Logger getRootLogger() {
58 return Log4jLoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
59 }
60
61 /**
62 * Delegates to {@link org.slf4j.Logger#isTraceEnabled}
63 * method of SLF4J.
64 *
65 * @return whether this logger is enabled for the level TRACE
66 */
67 public boolean isTraceEnabled() {
68 return slf4jLogger.isTraceEnabled();
69 }
70
71 /**
72 * Delegates to {@link org.slf4j.Logger#trace(String)} method in SLF4J.
73 *
74 * @param message the message to log
75 *
76 */
77 public void trace(Object message) {
78 differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null);
79 }
80
81 /**
82 * Delegates to {@link org.slf4j.Logger#trace(String,Throwable)}
83 * method in SLF4J.
84 *
85 * @param message the message to log
86 * @param t a Throwable to log
87 */
88 public void trace(Object message, Throwable t) {
89 differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, t);
90 }
91
92 }