1 /**
2 * Copyright (c) 2004-2011 QOS.ch
3 * All rights reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25 package org.slf4j.ext;
26
27 import org.slf4j.LoggerFactory;
28 import org.slf4j.Marker;
29 import org.slf4j.MarkerFactory;
30 import org.slf4j.spi.LocationAwareLogger;
31
32 /**
33 * Simple Logger used to log events. All events are directed to a logger named "EventLogger"
34 * with a level of INFO and with an Event marker.
35 *
36 * @author Ralph Goers
37 */
38 public class EventLogger {
39
40 private static final String FQCN = EventLogger.class.getName();
41
42 static Marker EVENT_MARKER = MarkerFactory.getMarker("EVENT");
43
44 private static LoggerWrapper eventLogger =
45 new LoggerWrapper(LoggerFactory.getLogger("EventLogger"), FQCN);
46
47 /**
48 * There can only be a single EventLogger.
49 */
50 private EventLogger() {
51 }
52
53 /**
54 * Logs the event.
55 *
56 * @param data The EventData.
57 */
58 public static void logEvent(EventData data) {
59 if (eventLogger.instanceofLAL) {
60 ((LocationAwareLogger) eventLogger.logger).log(EVENT_MARKER, FQCN,
61 LocationAwareLogger.INFO_INT, data.toXML(), new Object[] {data}, null);
62 } else {
63 eventLogger.logger.info(EVENT_MARKER, data.toXML(), data);
64 }
65 }
66 }