1 /* Open Source Java Caching Service
2 * Copyright (C) 2002 Frank Karlstrøm
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * The author can be contacted by email: fjankk@users.sourceforge.net
18 */
19 package org.fjank.jcache;
20
21 import javax.util.jcache.CacheLogger;
22
23
24 /**
25 * Logs all messages to System.out for the moment. Reprogram to log to a file
26 * later. Does not implement loggerSeverity.
27 *
28 * @author Frank Karlstrøm
29 */
30 public final class DefaultCacheLogger extends CacheLogger {
31 /**
32 * Creates new DefaultCacheLogger
33 */
34 public DefaultCacheLogger() {
35 }
36
37 /**
38 * application writers can implement this method and provide their own
39 * mechanism to log a message.
40 *
41 * @param message the message to log.
42 * @param cause the Exception responsible for causing an log event to
43 * happen.
44 */
45 public void log(final String message, final Throwable cause) {
46 System.out.println(message + ", caused by:" + cause);
47 }
48
49 /**
50 * log messages are buffered by the cache. This method will force the
51 * messages to be written out the destination and the buffer is reset.
52 *
53 * @todo NOT IMPLEMENTED.
54 */
55 public void flush() {
56 }
57
58 /**
59 * application writers can implement this method and provide their own
60 * mechanism to log a message.
61 *
62 * @param message the message to log.
63 *
64 * @todo NOT IMPLEMENTED
65 */
66 public void log(final String message) {
67 System.out.println(message);
68 }
69
70 /**
71 * is called by the caching system when the CacheLogger is instanciated to
72 * complete any initialization requirements.
73 *
74 * @param fileName the value from the CacheAttribute
75 * @param severity the value from the CacheAttributes.
76 *
77 * @todo NOT IMPLEMENTED
78 */
79 public void init(final String fileName, final int severity) {
80 }
81 }