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; 20 21import java.util.Enumeration; 22import java.util.Vector; 23 24/** 25 * <p/> 26 * This class is a minimal implementation of the original 27 * <code>org.apache.log4j.LogManager</code> class (as found in log4j 1.2) 28 * delegating all calls to SLF4J. 29 * <p/> 30 * <p/> 31 * This implementation does <b>NOT</b> implement the setRepositorySelector(), 32 * getLoggerRepository(), exists(), getCurrentLoggers(), shutdown() and 33 * resetConfiguration() methods which do not have SLF4J equivalents. 34 * 35 * @author Ceki Gülcü 36 */ 37@SuppressWarnings("rawtypes") 38public class LogManager { 39 40 public static Logger getRootLogger() { 41 return Log4jLoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME); 42 } 43 44 public static Logger getLogger(final String name) { 45 return Log4jLoggerFactory.getLogger(name); 46 } 47 48 public static Logger getLogger(final Class clazz) { 49 return Log4jLoggerFactory.getLogger(clazz.getName()); 50 } 51 52 /** 53 * Returns a logger instance created by loggerFactory. This method was requested in 54 * <a href="http://bugzilla.slf4j.org/show_bug.cgi?id=234">bug #234</a>. Note that 55 * log4j-over-slf4j does not ship with a LoggerFactory implementation. If this 56 * method is called, the caller must provide his/her own implementation. 57 * 58 * @param name the name of the desired logger 59 * @param loggerFactory an instance of {@link LoggerFactory} 60 * @return returns a logger instance created by loggerFactory 61 * @since 1.6.6 62 */ 63 public static Logger getLogger(String name, LoggerFactory loggerFactory) { 64 return loggerFactory.makeNewLoggerInstance(name); 65 } 66 67 /** 68 * This bogus implementation returns an empty enumeration. 69 * 70 * @return 71 */ 72 public static Enumeration getCurrentLoggers() { 73 return new Vector().elements(); 74 } 75 76 /** 77 * Implemented as NOP. 78 */ 79 public static void shutdown() { 80 } 81 82 /** 83 * Implemented as NOP. 84 */ 85 public static void resetConfiguration() { 86 } 87} 88