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
17package org.apache.log4j;
18
19import org.apache.log4j.spi.LoggerFactory;
20import 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 * </p>
28 *
29 * @author Ceki G&uuml;lc&uuml;
30 * */
31@SuppressWarnings("rawtypes")
32public 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
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    public boolean isTraceEnabled() {
66        return slf4jLogger.isTraceEnabled();
67    }
68
69    /**
70     * Delegates to {@link org.slf4j.Logger#trace(String)} method in SLF4J.
71     */
72    public void trace(Object message) {
73        differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null);
74    }
75
76    /**
77     * Delegates to {@link org.slf4j.Logger#trace(String,Throwable)}
78     * method in SLF4J.
79     */
80    public void trace(Object message, Throwable t) {
81        differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null);
82    }
83
84}
85