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.slf4j; 018 019 import org.apache.logging.log4j.Logger; 020 import org.apache.logging.log4j.message.MessageFactory; 021 import org.apache.logging.log4j.spi.LoggerContext; 022 import org.slf4j.LoggerFactory; 023 024 import java.util.concurrent.ConcurrentHashMap; 025 import java.util.concurrent.ConcurrentMap; 026 027 /** 028 * 029 */ 030 public class SLF4JLoggerContext implements LoggerContext { 031 private final ConcurrentMap<String, SLF4JLogger> loggers = new ConcurrentHashMap<String, SLF4JLogger>(); 032 033 public Object getExternalContext() { 034 return null; 035 } 036 037 public Logger getLogger(final String name) { 038 if (!loggers.containsKey(name)) { 039 loggers.putIfAbsent(name, new SLF4JLogger(name, LoggerFactory.getLogger(name))); 040 } 041 return loggers.get(name); 042 } 043 044 public Logger getLogger(final String name, final MessageFactory messageFactory) { 045 if (!loggers.containsKey(name)) { 046 loggers.putIfAbsent(name, new SLF4JLogger(name, messageFactory, LoggerFactory.getLogger(name))); 047 } 048 return loggers.get(name); 049 } 050 051 public boolean hasLogger(final String name) { 052 return loggers.containsKey(name); 053 } 054 }