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; 18 19 import org.apache.logging.log4j.LogManager; 20 21 /** 22 * Base class for server classes that listen to {@link LogEvent}s. 23 */ 24 public class LogEventListener { 25 26 private final LoggerContext context; 27 28 protected LogEventListener() { 29 context = (LoggerContext) LogManager.getContext(false); 30 } 31 32 public void log(final LogEvent event) { 33 if (event == null) { 34 return; 35 } 36 final Logger logger = context.getLogger(event.getLoggerName()); 37 if (logger.config.filter(event.getLevel(), event.getMarker(), event.getMessage(), event.getThrown())) { 38 logger.config.logEvent(event); 39 } 40 } 41 }