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.plugins; 18 19 import org.apache.logging.log4j.core.config.LoggerConfig; 20 import org.apache.logging.log4j.core.config.Loggers; 21 22 import java.util.concurrent.ConcurrentHashMap; 23 import java.util.concurrent.ConcurrentMap; 24 25 /** 26 * Container of Logger objects. 27 */ 28 @Plugin(name = "loggers", type = "Core") 29 public final class LoggersPlugin { 30 31 private LoggersPlugin() { 32 } 33 34 /** 35 * Create a Loggers object to contain all the Loggers. 36 * @param loggers An array of Loggers. 37 * @return A Loggers object. 38 */ 39 @PluginFactory 40 public static Loggers createLoggers(@PluginElement("loggers") LoggerConfig[] loggers) { 41 ConcurrentMap<String, LoggerConfig> loggerMap = new ConcurrentHashMap<String, LoggerConfig>(); 42 LoggerConfig root = null; 43 44 for (LoggerConfig logger : loggers) { 45 if (logger != null) { 46 if (logger.getName().length() == 0) { 47 root = logger; 48 } 49 loggerMap.put(logger.getName(), logger); 50 } 51 } 52 53 return new Loggers(loggerMap, root); 54 } 55 }