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 * </p> 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 Logger(String name)36 protected Logger(String name) { 37 super(name); 38 } 39 getLogger(String name)40 public static Logger getLogger(String name) { 41 return Log4jLoggerFactory.getLogger(name); 42 } 43 getLogger(String name, LoggerFactory loggerFactory)44 public static Logger getLogger(String name, LoggerFactory loggerFactory) { 45 return Log4jLoggerFactory.getLogger(name, loggerFactory); 46 } 47 getLogger(Class clazz)48 public static Logger getLogger(Class clazz) { 49 return getLogger(clazz.getName()); 50 } 51 52 /** 53 * Does the obvious. 54 * 55 * @return 56 */ getRootLogger()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 */ isTraceEnabled()65 public boolean isTraceEnabled() { 66 return slf4jLogger.isTraceEnabled(); 67 } 68 69 /** 70 * Delegates to {@link org.slf4j.Logger#trace(String)} method in SLF4J. 71 */ trace(Object message)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 */ trace(Object message, Throwable t)80 public void trace(Object message, Throwable t) { 81 differentiatedLog(null, LOGGER_FQCN, LocationAwareLogger.TRACE_INT, message, null); 82 } 83 84 } 85