1 /** 2 * Copyright (c) 2004-2011 QOS.ch 3 * All rights reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 package org.slf4j; 26 27 /** 28 * <code>ILoggerFactory</code> instances manufacture {@link Logger} 29 * instances by name. 30 * 31 * <p>Most users retrieve {@link Logger} instances through the static 32 * {@link LoggerFactory#getLogger(String)} method. An instance of of this 33 * interface is bound internally with {@link LoggerFactory} class at 34 * compile time. 35 * 36 * @author Ceki Gülcü 37 */ 38 public interface ILoggerFactory { 39 40 /** 41 * Return an appropriate {@link Logger} instance as specified by the 42 * <code>name</code> parameter. 43 * 44 * <p>If the name parameter is equal to {@link Logger#ROOT_LOGGER_NAME}, that is 45 * the string value "ROOT" (case insensitive), then the root logger of the 46 * underlying logging system is returned. 47 * 48 * <p>Null-valued name arguments are considered invalid. 49 * 50 * <p>Certain extremely simple logging systems, e.g. NOP, may always 51 * return the same logger instance regardless of the requested name. 52 * 53 * @param name the name of the Logger to return 54 * @return a Logger instance 55 */ getLogger(String name)56 public Logger getLogger(String name); 57 } 58