001/** 002 * Copyright (c) 2004-2011 QOS.ch 003 * All rights reserved. 004 * 005 * Permission is hereby granted, free of charge, to any person obtaining 006 * a copy of this software and associated documentation files (the 007 * "Software"), to deal in the Software without restriction, including 008 * without limitation the rights to use, copy, modify, merge, publish, 009 * distribute, sublicense, and/or sell copies of the Software, and to 010 * permit persons to whom the Software is furnished to do so, subject to 011 * the following conditions: 012 * 013 * The above copyright notice and this permission notice shall be 014 * included in all copies or substantial portions of the Software. 015 * 016 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 017 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 018 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 021 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 023 * 024 */ 025package org.slf4j.impl; 026 027import org.slf4j.spi.MDCAdapter; 028 029/** 030 * This class is only a stub. Real implementations are found in 031 * each SLF4J binding project, e.g. slf4j-nop, slf4j-log4j12 etc. 032 * 033 * @author Ceki Gülcü 034 */ 035public class StaticMDCBinder { 036 037 /** 038 * The unique instance of this class. 039 */ 040 public static final StaticMDCBinder SINGLETON = new StaticMDCBinder(); 041 042 private StaticMDCBinder() { 043 throw new UnsupportedOperationException("This code should never make it into the jar"); 044 } 045 046 /** 047 * Return the singleton of this class. 048 * 049 * @return the StaticMDCBinder singleton 050 * @since 1.7.14 051 */ 052 public static final StaticMDCBinder getSingleton() { 053 return SINGLETON; 054 } 055 056 /** 057 * Currently this method always returns an instance of 058 * {@link StaticMDCBinder}. 059 */ 060 public MDCAdapter getMDCA() { 061 throw new UnsupportedOperationException("This code should never make it into the jar"); 062 } 063 064 public String getMDCAdapterClassStr() { 065 throw new UnsupportedOperationException("This code should never make it into the jar"); 066 } 067}