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 */
017package org.apache.logging.log4j.core.config;
018
019import java.util.concurrent.ConcurrentHashMap;
020import java.util.concurrent.ConcurrentMap;
021
022import org.apache.logging.log4j.core.Appender;
023import org.apache.logging.log4j.core.Core;
024import org.apache.logging.log4j.core.config.plugins.Plugin;
025import org.apache.logging.log4j.core.config.plugins.PluginElement;
026import org.apache.logging.log4j.core.config.plugins.PluginFactory;
027
028/**
029 * An Appender container.
030 */
031@Plugin(name = "appenders", category = Core.CATEGORY_NAME)
032public final class AppendersPlugin {
033
034    private AppendersPlugin() {
035    }
036
037    /**
038     * Creates a Map of the Appenders.
039     * @param appenders An array of Appenders.
040     * @return The Appender Map.
041     */
042    @PluginFactory
043    public static ConcurrentMap<String, Appender> createAppenders(
044                @PluginElement("Appenders") final Appender[] appenders) {
045
046        final ConcurrentMap<String, Appender> map =  new ConcurrentHashMap<>(appenders.length);
047
048        for (final Appender appender : appenders) {
049            map.put(appender.getName(), appender);
050        }
051
052        return map;
053    }
054}