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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.plugins;
18  
19  import java.io.Serializable;
20  import java.util.concurrent.ConcurrentHashMap;
21  import java.util.concurrent.ConcurrentMap;
22  
23  import org.apache.logging.log4j.core.Appender;
24  
25  /**
26   * An Appender container.
27   */
28  @Plugin(name = "appenders", type = "Core")
29  public final class AppendersPlugin {
30  
31      private AppendersPlugin() {
32      }
33  
34      /**
35       * Create a Map of the Appenders.
36       * @param appenders An array of Appenders.
37       * @return The Appender Map.
38       */
39      @PluginFactory
40      public static ConcurrentMap<String, Appender<? extends Serializable>> createAppenders(
41                                               @PluginElement("appenders") final Appender<?>[] appenders) {
42          final ConcurrentMap<String, Appender<? extends Serializable>> map =
43              new ConcurrentHashMap<String, Appender<? extends Serializable>>();
44  
45          for (final Appender<?> appender : appenders) {
46                  map.put(appender.getName(), appender);
47          }
48  
49          return map;
50      }
51  }