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 */
025
026package org.slf4j.impl;
027
028import org.slf4j.helpers.NOPMDCAdapter;
029import org.slf4j.spi.MDCAdapter;
030
031/**
032 * This implementation is bound to {@link NOPMDCAdapter}.
033 *
034 * @author Ceki Gülcü
035 */
036
037public final class StaticMDCBinder {
038
039    /**
040     * The unique instance of this class.
041     */
042    public static final StaticMDCBinder SINGLETON = new StaticMDCBinder();
043
044    private StaticMDCBinder() {
045    }
046
047    /**
048     * Return the singleton of this class.
049     * 
050     * @return the StaticMDCBinder singleton
051     * @since 1.7.14
052     */
053    public static StaticMDCBinder getSingleton() {
054        return SINGLETON;
055    }
056
057    /**
058     * Currently this method always returns an instance of 
059     * {@link StaticMDCBinder}.
060     *
061     * @return the result
062     */
063    public MDCAdapter getMDCA() {
064        return new NOPMDCAdapter();
065    }
066
067    /**
068     * Gets the MDC adapter class as String
069     *
070     * @return the MDC adapter class name
071     */
072    public String getMDCAdapterClassStr() {
073        return NOPMDCAdapter.class.getName();
074    }
075}