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.plugins;
018    
019    import java.io.Serializable;
020    import java.util.concurrent.ConcurrentHashMap;
021    import java.util.concurrent.ConcurrentMap;
022    
023    import org.apache.logging.log4j.core.Appender;
024    
025    /**
026     * An Appender container.
027     */
028    @Plugin(name = "appenders", type = "Core")
029    public final class AppendersPlugin {
030    
031        private AppendersPlugin() {
032        }
033    
034        /**
035         * Create a Map of the Appenders.
036         * @param appenders An array of Appenders.
037         * @return The Appender Map.
038         */
039        @PluginFactory
040        public static ConcurrentMap<String, Appender<? extends Serializable>> createAppenders(
041                                                 @PluginElement("appenders") final Appender<?>[] appenders) {
042            final ConcurrentMap<String, Appender<? extends Serializable>> map =
043                new ConcurrentHashMap<String, Appender<? extends Serializable>>();
044    
045            for (final Appender<?> appender : appenders) {
046                    map.put(appender.getName(), appender);
047            }
048    
049            return map;
050        }
051    }