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.status; 018 019 import java.io.Closeable; 020 021 import org.apache.logging.log4j.Level; 022 023 /** 024 * Interface that allows implementers to be notified of events in the logging system. 025 */ 026 public interface StatusListener extends Closeable { 027 028 /** 029 * Called as events occur to process the StatusData. 030 * @param data The StatusData for the event. 031 */ 032 void log(StatusData data); 033 034 /** 035 * Return the Log Level that this listener wants included. 036 * @return the Log Level. 037 */ 038 Level getStatusLevel(); 039 }