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.slf4j.spi.LocationAwareLogger;
20
21 /**
22 * <p>
23 * This class is a minimal implementation of the original
24 * <code>org.apache.log4j.Logger</code> class (as found in log4j 1.2)
25 * delegating all calls to a {@link org.slf4j.Logger} instance.
26 * </p>
27 *
28 * @author Ceki Gülcü
29 * */
30 public class Logger extends Category {
31
32 private static final String LOGGER_FQCN = Logger.class.getName();
33
34 Logger(String name) {
35 super(name);
36 }
37
38 public static Logger getLogger(String name) {
39 return Log4jLoggerFactory.getLogger(name);
40 }
41
42 public static Logger getLogger(Class clazz) {
43 return getLogger(clazz.getName());
44 }
45
46 /**
47 * Does the obvious.
48 *
49 * @return
50 */
51 public static Logger getRootLogger() {
52 return Log4jLoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
53 }
54
55
56 /**
57 * Delegates to {@link org.slf4j.Logger#isTraceEnabled}
58 * method of SLF4J.
59 */
60 public boolean isTraceEnabled() {
61 return slf4jLogger.isTraceEnabled();
62 }
63
64 /**
65 * Delegates to {@link org.slf4j.Logger#trace(String)} method in SLF4J.
66 */
67 public void trace(Object message) {
68 differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null);
69 }
70
71 /**
72 * Delegates to {@link org.slf4j.Logger#trace(String,Throwable)}
73 * method in SLF4J.
74 */
75 public void trace(Object message, Throwable t) {
76 differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null);
77 }
78
79 }