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 018package org.apache.logging.log4j.jul; 019 020import java.util.logging.Logger; 021 022import org.apache.logging.log4j.message.MessageFactory; 023import org.apache.logging.log4j.message.MessageFormatMessageFactory; 024import org.apache.logging.log4j.spi.LoggerContext; 025 026/** 027 * {@link Logger} registry implementation that uses log4j-core. 028 * 029 * @since 2.1 030 */ 031public class CoreLoggerAdapter extends AbstractLoggerAdapter { 032 033 private static final MessageFactory MESSAGE_FACTORY = new MessageFormatMessageFactory(); 034 035 @Override 036 protected Logger newLogger(final String name, final LoggerContext context) { 037 final org.apache.logging.log4j.spi.ExtendedLogger original = context.getLogger(name, MESSAGE_FACTORY); 038 if (original instanceof org.apache.logging.log4j.core.Logger) { 039 return new CoreLogger((org.apache.logging.log4j.core.Logger) original); 040 } 041 return new ApiLogger(original); // LOG4J2-1618 during shutdown, a SimpleLogger may be returned 042 } 043}