1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.log4j;
19  
20  import java.util.Stack;
21  
22  /**
23   * A bare-bones implementation of log4j's NDC which compiles and prevents run
24   * time exceptions.
25   * 
26   * @since SLF4J 1.6.0
27   */
28  
29  public class NDC {
30  
31    public static void clear() {
32    }
33  
34    public static Stack cloneStack() {
35      return null;
36    }
37  
38    public static void inherit(Stack stack) {
39    }
40  
41    static public String get() {
42      return null;
43    }
44  
45    public static int getDepth() {
46      return 0;
47    }
48  
49    public static String pop() {
50      return "";
51    }
52  
53    public static String peek() {
54      return "";
55    }
56  
57    public static void push(String message) {
58    }
59  
60    static public void remove() {
61    }
62  
63    static public void setMaxDepth(int maxDepth) {
64    }
65  
66  }