001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache license, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the license for the specific language governing permissions and
015 * limitations under the license.
016 */
017package org.slf4j.impl;
018
019import org.apache.logging.slf4j.Log4jMDCAdapter;
020import org.slf4j.spi.MDCAdapter;
021
022/**
023 *
024 */
025public final class StaticMDCBinder {
026
027    /**
028     * The unique instance of this class.
029     */
030    public static final StaticMDCBinder SINGLETON = new StaticMDCBinder();
031
032    private StaticMDCBinder() {
033    }
034
035    /**
036     * Returns the {@link #SINGLETON} {@link StaticMDCBinder}.
037     * Added to slf4j-api 1.7.14 via https://github.com/qos-ch/slf4j/commit/ea3cca72cd5a9329a06b788317a17e806ee8acd0
038     * @return the singleton instance
039     */
040    public static StaticMDCBinder getSingleton() {
041        return SINGLETON;
042    }
043
044    /**
045     * Currently this method always returns an instance of {@link StaticMDCBinder}.
046     * @return an MDC adapter
047     */
048    public MDCAdapter getMDCA() {
049        return new Log4jMDCAdapter();
050    }
051
052    /**
053     * Retrieve the adapter class name.
054     * @return The adapter class name.
055     */
056    public String getMDCAdapterClassStr() {
057        return Log4jMDCAdapter.class.getName();
058    }
059}