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 21 import java.util.Enumeration; 22 import 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 * This implementation does <b>NOT</b> implement the setRepositorySelector(), 31 * getLoggerRepository(), exists(), getCurrentLoggers(), shutdown() and 32 * resetConfiguration() methods which do not have SLF4J equivalents. 33 * 34 * @author Ceki Gülcü 35 */ 36 @SuppressWarnings("rawtypes") 37 public class LogManager { 38 getRootLogger()39 public static Logger getRootLogger() { 40 return Log4jLoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME); 41 } 42 getLogger(final String name)43 public static Logger getLogger(final String name) { 44 return Log4jLoggerFactory.getLogger(name); 45 } 46 getLogger(final Class clazz)47 public static Logger getLogger(final Class clazz) { 48 return Log4jLoggerFactory.getLogger(clazz.getName()); 49 } 50 51 /** 52 * Returns a logger instance created by loggerFactory. This method was requested in 53 * <a href="http://jira.qos.ch/browse/SLF4J-225">SLF4J-225</a>. Note that 54 * log4j-over-slf4j does not ship with a LoggerFactory implementation. If this 55 * method is called, the caller must provide his/her own implementation. 56 * 57 * @param name the name of the desired logger 58 * @param loggerFactory an instance of {@link LoggerFactory} 59 * @return returns a logger instance created by loggerFactory 60 * @since 1.6.6 61 */ getLogger(String name, LoggerFactory loggerFactory)62 public static Logger getLogger(String name, LoggerFactory loggerFactory) { 63 return loggerFactory.makeNewLoggerInstance(name); 64 } 65 66 /** 67 * This bogus implementation returns an empty enumeration. 68 * 69 * @return an Enumeration of current loggers 70 */ getCurrentLoggers()71 public static Enumeration getCurrentLoggers() { 72 return new Vector().elements(); 73 } 74 75 /** 76 * Implemented as NOP. 77 */ shutdown()78 public static void shutdown() { 79 } 80 81 /** 82 * Implemented as NOP. 83 */ resetConfiguration()84 public static void resetConfiguration() { 85 } 86 } 87