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 */
25package org.slf4j.ext;
26
27import org.slf4j.LoggerFactory;
28import org.slf4j.Marker;
29import org.slf4j.MarkerFactory;
30import 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 */
38public 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 = new LoggerWrapper(LoggerFactory.getLogger("EventLogger"), FQCN);
45
46    /**
47     * There can only be a single EventLogger.
48     */
49    private EventLogger() {
50    }
51
52    /**
53     * Logs the event.
54     *
55     * @param data The EventData.
56     */
57    public static void logEvent(EventData data) {
58        if (eventLogger.instanceofLAL) {
59            ((LocationAwareLogger) eventLogger.logger).log(EVENT_MARKER, FQCN, LocationAwareLogger.INFO_INT, data.toXML(), new Object[] { data }, null);
60        } else {
61            eventLogger.logger.info(EVENT_MARKER, data.toXML(), data);
62        }
63    }
64}
65