StaticMDCBinder.java

/*
 * Copyright 2013 Philip Schiffer
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *
 * This file incorporates code covered by the following terms:
 * Copyright (c) 2004-2013 QOS.ch
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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package org.slf4j.impl;

import org.slf4j.helpers.BasicMDCAdapter;
import org.slf4j.spi.MDCAdapter;

/**
 * This implementation is bound to {@link org.slf4j.helpers.BasicMDCAdapter}.
 *
 * @author Ceki Gülcü
 */
public final class StaticMDCBinder {

    /**
     * The unique instance of this class.
     */
    public static final StaticMDCBinder SINGLETON = new StaticMDCBinder();

    private StaticMDCBinder() {
    }

    /**
     * Currently this method always returns an instance of
     * {@link org.slf4j.helpers.BasicMDCAdapter}.
     *
     * @return returns an instance of {@link org.slf4j.helpers.BasicMDCAdapter}.
     */
    public MDCAdapter getMDCA() {
        // note that this method is invoked only from within the static initializer of
        // the org.slf4j.MDC class.
        return new BasicMDCAdapter();
    }

    public String getMDCAdapterClassStr() {
        return BasicMDCAdapter.class.getName();
    }
}