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1   /**
2    * Copyright (c) 2004-2013 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.impl;
26  
27  import org.slf4j.helpers.NOPMDCAdapter;
28  import org.slf4j.spi.MDCAdapter;
29  
30  /**
31   * This implementation is bound to {@link NOPMDCAdapter}.
32   *
33   * @author Ceki Gülcü
34   * @author Andrey Korzhevskiy <a.korzhevskiy@gmail.com>
35   */
36  public class StaticMDCBinder {
37  
38      /**
39       * The unique instance of this class.
40       */
41      public static final StaticMDCBinder SINGLETON = new StaticMDCBinder();
42  
43      private StaticMDCBinder() {
44      }
45  
46      /**
47       * Return the singleton of this class.
48       * 
49       * @return the StaticMDCBinder singleton
50       * @since 1.7.14
51       */
52      public static final StaticMDCBinder getSingleton() {
53          return SINGLETON;
54      }
55  
56      /**
57       * Currently this method always returns an instance of 
58       * {@link NOPMDCAdapter}.
59       */
60      public MDCAdapter getMDCA() {
61          return new NOPMDCAdapter();
62      }
63  
64      public String getMDCAdapterClassStr() {
65          return NOPMDCAdapter.class.getName();
66      }
67  }