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.helpers; 26 27 import java.io.ObjectStreamException; 28 import java.io.Serializable; 29 30 import org.slf4j.Logger; 31 import org.slf4j.LoggerFactory; 32 33 /** 34 * Serves as base class for named logger implementation. More significantly, this 35 * class establishes deserialization behavior. See @see #readResolve. 36 * 37 * @author Ceki Gulcu 38 * @since 1.5.3 39 */ 40 abstract class NamedLoggerBase implements Logger, Serializable { 41 42 private static final long serialVersionUID = 7535258609338176893L; 43 44 protected String name; 45 getName()46 public String getName() { 47 return name; 48 } 49 50 /** 51 * Replace this instance with a homonymous (same name) logger returned 52 * by LoggerFactory. Note that this method is only called during 53 * deserialization. 54 * 55 * <p> 56 * This approach will work well if the desired ILoggerFactory is the one 57 * references by LoggerFactory. However, if the user manages its logger hierarchy 58 * through a different (non-static) mechanism, e.g. dependency injection, then 59 * this approach would be mostly counterproductive. 60 * 61 * @return logger with same name as returned by LoggerFactory 62 * @throws ObjectStreamException 63 */ readResolve()64 protected Object readResolve() throws ObjectStreamException { 65 // using getName() instead of this.name works even for 66 // NOPLogger 67 return LoggerFactory.getLogger(getName()); 68 } 69 70 } 71