001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements. See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache license, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License. You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the license for the specific language governing permissions and
015     * limitations under the license.
016     */
017    package org.apache.logging.log4j.core.config;
018    
019    import java.util.concurrent.ConcurrentHashMap;
020    import java.util.concurrent.ConcurrentMap;
021    
022    import org.apache.logging.log4j.core.Appender;
023    import org.apache.logging.log4j.core.config.plugins.Plugin;
024    import org.apache.logging.log4j.core.config.plugins.PluginElement;
025    import org.apache.logging.log4j.core.config.plugins.PluginFactory;
026    
027    /**
028     * An Appender container.
029     */
030    @Plugin(name = "appenders", category = "Core")
031    public final class AppendersPlugin {
032    
033        private AppendersPlugin() {
034        }
035    
036        /**
037         * Create a Map of the Appenders.
038         * @param appenders An array of Appenders.
039         * @return The Appender Map.
040         */
041        @PluginFactory
042        public static ConcurrentMap<String, Appender> createAppenders(
043                    @PluginElement("Appenders") final Appender[] appenders) {
044    
045            final ConcurrentMap<String, Appender> map =
046                new ConcurrentHashMap<String, Appender>();
047    
048            for (final Appender appender : appenders) {
049                    map.put(appender.getName(), appender);
050            }
051    
052            return map;
053        }
054    }