    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    }