001/** 002 * Copyright (c) 2004-2011 QOS.ch 003 * All rights reserved. 004 * 005 * Permission is hereby granted, free of charge, to any person obtaining 006 * a copy of this software and associated documentation files (the 007 * "Software"), to deal in the Software without restriction, including 008 * without limitation the rights to use, copy, modify, merge, publish, 009 * distribute, sublicense, and/or sell copies of the Software, and to 010 * permit persons to whom the Software is furnished to do so, subject to 011 * the following conditions: 012 * 013 * The above copyright notice and this permission notice shall be 014 * included in all copies or substantial portions of the Software. 015 * 016 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 017 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 018 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 021 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 023 * 024 */ 025package org.slf4j.ext; 026 027import org.slf4j.LoggerFactory; 028import org.slf4j.Marker; 029import org.slf4j.MarkerFactory; 030import org.slf4j.spi.LocationAwareLogger; 031 032/** 033 * Simple Logger used to log events. All events are directed to a logger named "EventLogger" 034 * with a level of INFO and with an Event marker. 035 * 036 * @author Ralph Goers 037 */ 038public class EventLogger { 039 040 private static final String FQCN = EventLogger.class.getName(); 041 042 static Marker EVENT_MARKER = MarkerFactory.getMarker("EVENT"); 043 044 private static LoggerWrapper eventLogger = new LoggerWrapper(LoggerFactory.getLogger("EventLogger"), FQCN); 045 046 /** 047 * There can only be a single EventLogger. 048 */ 049 private EventLogger() { 050 } 051 052 /** 053 * Logs the event. 054 * 055 * @param data The EventData. 056 */ 057 public static void logEvent(EventData data) { 058 if (eventLogger.instanceofLAL) { 059 ((LocationAwareLogger) eventLogger.logger).log(EVENT_MARKER, FQCN, LocationAwareLogger.INFO_INT, data.toXML(), new Object[] { data }, null); 060 } else { 061 eventLogger.logger.info(EVENT_MARKER, data.toXML(), data); 062 } 063 } 064}