/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements. See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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.
   */
  package org.apache.logging.log4j.core.config;
  
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.ConcurrentMap;
  
  import org.apache.logging.log4j.core.Appender;
  import org.apache.logging.log4j.core.Core;
  import org.apache.logging.log4j.core.config.plugins.Plugin;
  import org.apache.logging.log4j.core.config.plugins.PluginElement;
  import org.apache.logging.log4j.core.config.plugins.PluginFactory;
  
  /**
   * An Appender container.
   */
  @Plugin(name = "appenders", category = Core.CATEGORY_NAME)
  public final class AppendersPlugin {
  
      private AppendersPlugin() {
      }
  
      /**
       * Creates a Map of the Appenders.
       * @param appenders An array of Appenders.
       * @return The Appender Map.
       */
      @PluginFactory
      public static ConcurrentMap<String, Appender> createAppenders(
                  @PluginElement("Appenders") final Appender[] appenders) {
  
          final ConcurrentMap<String, Appender> map =  new ConcurrentHashMap<>(appenders.length);
  
          for (final Appender appender : appenders) {
              map.put(appender.getName(), appender);
          }
  
          return map;
      }
  }