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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  package org.apache.logging.log4j.core.config;
18  
19  import java.io.Serializable;
20  import java.util.Map;
21  
22  import org.apache.logging.log4j.core.config.plugins.Plugin;
23  import org.apache.logging.log4j.core.net.Advertiser;
24  
25  /**
26   * The default advertiser does not do anything.
27   */
28  @Plugin(name = "default", category = Node.CATEGORY, elementType = "advertiser", printObject = false)
29  public class DefaultAdvertiser implements Advertiser, Serializable {
30  
31      private static final long serialVersionUID = 1L;
32  
33      /**
34       * Does nothing.
35       *
36       * @return null
37       */
38      @Override
39      public Object advertise(final Map<String, String> properties) {
40          return null;
41      }
42  
43      /**
44       * Does nothing
45       * @param advertisedObject
46       */
47      @Override
48      public void unadvertise(final Object advertisedObject) {
49          //no-op
50      }
51  
52  }