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Java > Open Source Codes > org > fjank > jcache > DefaultCacheLogger


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 JavaDoc message, final Throwable JavaDoc 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 JavaDoc 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 JavaDoc fileName, final int severity) {
80     }
81 }
82
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