001/*
002 * Copyright 2001-2004 The Apache Software Foundation.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.apache.log4j;
018
019import org.apache.log4j.spi.LoggerFactory;
020import org.slf4j.spi.LocationAwareLogger;
021
022/**
023 * <p>
024 * This class is a minimal implementation of the original
025 * <code>org.apache.log4j.Logger</code> class (as found in log4j 1.2) 
026 * delegating all calls to a {@link org.slf4j.Logger} instance.
027 * </p>
028 *
029 * @author Ceki G&uuml;lc&uuml; 
030 * */
031@SuppressWarnings("rawtypes")
032public class Logger extends Category {
033
034    private static final String LOGGER_FQCN = Logger.class.getName();
035
036    protected Logger(String name) {
037        super(name);
038    }
039
040    public static Logger getLogger(String name) {
041        return Log4jLoggerFactory.getLogger(name);
042    }
043
044    public static Logger getLogger(String name, LoggerFactory loggerFactory) {
045        return Log4jLoggerFactory.getLogger(name, loggerFactory);
046    }
047
048    public static Logger getLogger(Class clazz) {
049        return getLogger(clazz.getName());
050    }
051
052    /**
053     * Does the obvious.
054     * 
055     * @return
056     */
057    public static Logger getRootLogger() {
058        return Log4jLoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
059    }
060
061    /**
062     * Delegates to {@link org.slf4j.Logger#isTraceEnabled} 
063     * method of SLF4J.
064     */
065    public boolean isTraceEnabled() {
066        return slf4jLogger.isTraceEnabled();
067    }
068
069    /**
070     * Delegates to {@link org.slf4j.Logger#trace(String)} method in SLF4J.
071     */
072    public void trace(Object message) {
073        differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null);
074    }
075
076    /**
077     * Delegates to {@link org.slf4j.Logger#trace(String,Throwable)} 
078     * method in SLF4J.
079     */
080    public void trace(Object message, Throwable t) {
081        differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null);
082    }
083
084}