KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > logicalcobwebs > logging > impl > NoOpLog


1 /*
2  * $Header: /cvsroot/proxool/proxool/src/java/org/logicalcobwebs/logging/impl/NoOpLog.java,v 1.2 2003/02/08 14:27:51 chr32 Exp $
3  * $Revision: 1.2 $
4  * $Date: 2003/02/08 14:27:51 $
5  *
6  * ====================================================================
7  *
8  * The Apache Software License, Version 1.1
9  *
10  * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
11  * reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  *
17  * 1. Redistributions of source code must retain the above copyright
18  * notice, this list of conditions and the following disclaimer.
19  *
20  * 2. Redistributions in binary form must reproduce the above copyright
21  * notice, this list of conditions and the following disclaimer in
22  * the documentation and/or other materials provided with the
23  * distribution.
24  *
25  * 3. The end-user documentation included with the redistribution, if
26  * any, must include the following acknowlegement:
27  * "This product includes software developed by the
28  * Apache Software Foundation (http://www.apache.org/)."
29  * Alternately, this acknowlegement may appear in the software itself,
30  * if and wherever such third-party acknowlegements normally appear.
31  *
32  * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33  * Foundation" must not be used to endorse or promote products derived
34  * from this software without prior written permission. For written
35  * permission, please contact apache@apache.org.
36  *
37  * 5. Products derived from this software may not be called "Apache"
38  * nor may "Apache" appear in their names without prior written
39  * permission of the Apache Group.
40  *
41  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52  * SUCH DAMAGE.
53  * ====================================================================
54  *
55  * This software consists of voluntary contributions made by many
56  * individuals on behalf of the Apache Software Foundation. For more
57  * information on the Apache Software Foundation, please see
58  * <http://www.apache.org/>.
59  *
60  */
61
62 package org.logicalcobwebs.logging.impl;
63
64 import org.logicalcobwebs.logging.Log;
65
66 /**
67  * <p>Default implementation of Log that throws away all messages. No
68  * configurable system properties are supported.</p>
69  *
70  * @author <a HREF="mailto:sanders@apache.org">Scott Sanders</a>
71  * @author Rod Waldhoff
72  * @version $Id: NoOpLog.java,v 1.2 2003/02/08 14:27:51 chr32 Exp $
73  */
74 public final class NoOpLog implements Log {
75
76     /** Convenience constructor */
77     public NoOpLog () {
78     }
79     /** Base constructor */
80     public NoOpLog (String JavaDoc name) {
81     }
82     /** Do nothing */
83     public void trace (Object JavaDoc message) {
84     }
85     /** Do nothing */
86     public void trace (Object JavaDoc message, Throwable JavaDoc t) {
87     }
88     /** Do nothing */
89     public void debug (Object JavaDoc message) {
90     }
91     /** Do nothing */
92     public void debug (Object JavaDoc message, Throwable JavaDoc t) {
93     }
94     /** Do nothing */
95     public void info (Object JavaDoc message) {
96     }
97     /** Do nothing */
98     public void info (Object JavaDoc message, Throwable JavaDoc t) {
99     }
100     /** Do nothing */
101     public void warn (Object JavaDoc message) {
102     }
103     /** Do nothing */
104     public void warn (Object JavaDoc message, Throwable JavaDoc t) {
105     }
106     /** Do nothing */
107     public void error (Object JavaDoc message) {
108     }
109     /** Do nothing */
110     public void error (Object JavaDoc message, Throwable JavaDoc t) {
111     }
112     /** Do nothing */
113     public void fatal (Object JavaDoc message) {
114     }
115     /** Do nothing */
116     public void fatal (Object JavaDoc message, Throwable JavaDoc t) {
117     }
118
119     /**
120      * Debug is never enabled.
121      *
122      * @return false
123      */
124     public final boolean isDebugEnabled () {
125         return false;
126     }
127
128     /**
129      * Error is never enabled.
130      *
131      * @return false
132      */
133     public final boolean isErrorEnabled () {
134         return false;
135     }
136
137     /**
138      * Fatal is never enabled.
139      *
140      * @return false
141      */
142     public final boolean isFatalEnabled () {
143         return false;
144     }
145
146     /**
147      * Info is never enabled.
148      *
149      * @return false
150      */
151     public final boolean isInfoEnabled () {
152         return false;
153     }
154
155     /**
156      * Trace is never enabled.
157      *
158      * @return false
159      */
160     public final boolean isTraceEnabled () {
161         return false;
162     }
163
164     /**
165      * Warning is never enabled.
166      *
167      * @return false
168      */
169     public final boolean isWarnEnabled () {
170         return false;
171     }
172
173 }
174
175
Popular Tags