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 org.apache.logging.log4j.core.config.LoggerConfig; 020 import org.apache.logging.log4j.core.config.Loggers; 021 022 import java.util.concurrent.ConcurrentHashMap; 023 import java.util.concurrent.ConcurrentMap; 024 025 /** 026 * Container of Logger objects. 027 */ 028 @Plugin(name = "loggers", category = "Core") 029 public final class LoggersPlugin { 030 031 private LoggersPlugin() { 032 } 033 034 /** 035 * Create a Loggers object to contain all the Loggers. 036 * @param loggers An array of Loggers. 037 * @return A Loggers object. 038 */ 039 @PluginFactory 040 public static Loggers createLoggers(@PluginElement("loggers") final LoggerConfig[] loggers) { 041 final ConcurrentMap<String, LoggerConfig> loggerMap = new ConcurrentHashMap<String, LoggerConfig>(); 042 LoggerConfig root = null; 043 044 for (final LoggerConfig logger : loggers) { 045 if (logger != null) { 046 if (logger.getName().length() == 0) { 047 root = logger; 048 } 049 loggerMap.put(logger.getName(), logger); 050 } 051 } 052 053 return new Loggers(loggerMap, root); 054 } 055 }