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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.util.concurrent.ConcurrentHashMap;
    20  import java.util.concurrent.ConcurrentMap;
    21
    22  import org.apache.logging.log4j.core.Appender;
    23  import org.apache.logging.log4j.core.config.plugins.Plugin;
    24  import org.apache.logging.log4j.core.config.plugins.PluginElement;
    25  import org.apache.logging.log4j.core.config.plugins.PluginFactory;
    26
    27  /**
    28   * An Appender container.
    29   */
    30  @Plugin(name = "appenders", category = "Core")
    31  public final class AppendersPlugin {
    32
    33      private AppendersPlugin() {
    34      }
    35
    36      /**
    37       * Create a Map of the Appenders.
    38       * @param appenders An array of Appenders.
    39       * @return The Appender Map.
    40       */
    41      @PluginFactory
    42      public static ConcurrentMap<String, Appender> createAppenders(
    43                  @PluginElement("Appenders") final Appender[] appenders) {
    44
    45          final ConcurrentMap<String, Appender> map =
    46              new ConcurrentHashMap<String, Appender>();
    47
    48          for (final Appender appender : appenders) {
    49                  map.put(appender.getName(), appender);
    50          }
    51
    52          return map;
    53      }
    54  }