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.Level; 021import java.util.logging.Logger; 022 023/** 024 * Log4j Core implementation of the JUL {@link Logger} class. <strong>Note that this implementation does 025 * <em>not</em> use the {@link java.util.logging.Handler} class.</strong> Instead, logging is delegated to the 026 * underlying Log4j {@link org.apache.logging.log4j.core.Logger} which uses 027 * {@link org.apache.logging.log4j.core.Appender Appenders} instead. 028 * 029 * @since 2.1 030 */ 031public class CoreLogger extends ApiLogger { 032 033 private final org.apache.logging.log4j.core.Logger logger; 034 035 /** 036 * Constructs a Logger using a Log4j {@link org.apache.logging.log4j.core.Logger}. 037 * 038 * @param logger the underlying Logger to base this Logger on 039 */ 040 CoreLogger(final org.apache.logging.log4j.core.Logger logger) { 041 super(logger); 042 this.logger = logger; 043 } 044 045 @Override 046 public void setLevel(final Level level) throws SecurityException { 047 super.doSetLevel(level); // checks permissions 048 logger.setLevel(LevelTranslator.toLevel(level)); 049 } 050 051 /** 052 * Marks the underlying {@link org.apache.logging.log4j.core.Logger} as additive. 053 * 054 * @param additive {@code true} if this Logger should be additive 055 * @see org.apache.logging.log4j.core.Logger#setAdditive(boolean) 056 */ 057 @Override 058 public synchronized void setUseParentHandlers(final boolean additive) { 059 logger.setAdditive(additive); 060 } 061 062 /** 063 * Indicates if the underlying {@link org.apache.logging.log4j.core.Logger} is additive. <strong>Note that the 064 * Log4j version of JDK Loggers do <em>not</em> use Handlers.</strong> 065 * 066 * @return {@code true} if this Logger is additive, or {@code false} otherwise 067 * @see org.apache.logging.log4j.core.Logger#isAdditive() 068 */ 069 @Override 070 public synchronized boolean getUseParentHandlers() { 071 return logger.isAdditive(); 072 } 073 074 @Override 075 public Logger getParent() { 076 final org.apache.logging.log4j.core.Logger parent = logger.getParent(); 077 return parent == null ? null : Logger.getLogger(parent.getName()); 078 } 079}