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Java > Open Source Codes > freemarker > log > NullLoggerFactory


1 /*
2  * Copyright (c) 2003 The Visigoth Software Society. All rights
3  * reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in
14  * the documentation and/or other materials provided with the
15  * distribution.
16  *
17  * 3. The end-user documentation included with the redistribution, if
18  * any, must include the following acknowledgement:
19  * "This product includes software developed by the
20  * Visigoth Software Society (http://www.visigoths.org/)."
21  * Alternately, this acknowledgement may appear in the software itself,
22  * if and wherever such third-party acknowledgements normally appear.
23  *
24  * 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
25  * project contributors may be used to endorse or promote products derived
26  * from this software without prior written permission. For written
27  * permission, please contact visigoths@visigoths.org.
28  *
29  * 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
30  * nor may "FreeMarker" or "Visigoth" appear in their names
31  * without prior written permission of the Visigoth Software Society.
32  *
33  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
34  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36  * DISCLAIMED. IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
37  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
39  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
40  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
41  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
42  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
43  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44  * SUCH DAMAGE.
45  * ====================================================================
46  *
47  * This software consists of voluntary contributions made by many
48  * individuals on behalf of the Visigoth Software Society. For more
49  * information on the Visigoth Software Society, please see
50  * http://www.visigoths.org/
51  */
52
53 package freemarker.log;
54
55 /**
56  * @version $Id: NullLoggerFactory.java,v 1.9 2003/01/27 20:36:45 szegedia Exp $
57  * @author Attila Szegedi
58  */
59 class NullLoggerFactory implements LoggerFactory
60 {
61     NullLoggerFactory()
62     {
63     }
64     
65     public Logger getLogger(String JavaDoc category)
66     {
67         return INSTANCE;
68     }
69
70     private static final Logger INSTANCE = new Logger()
71     {
72         public void debug(String JavaDoc message)
73         {
74         }
75
76         public void debug(String JavaDoc message, Throwable JavaDoc t)
77         {
78         }
79
80         public void error(String JavaDoc message)
81         {
82         }
83
84         public void error(String JavaDoc message, Throwable JavaDoc t)
85         {
86         }
87
88         public void info(String JavaDoc message)
89         {
90         }
91
92         public void info(String JavaDoc message, Throwable JavaDoc t)
93         {
94         }
95
96         public void warn(String JavaDoc message)
97         {
98         }
99
100         public void warn(String JavaDoc message, Throwable JavaDoc t)
101         {
102         }
103
104         public boolean isDebugEnabled()
105         {
106             return false;
107         }
108
109         public boolean isInfoEnabled()
110         {
111             return false;
112         }
113
114         public boolean isWarnEnabled()
115         {
116             return false;
117         }
118
119         public boolean isErrorEnabled()
120         {
121             return false;
122         }
123
124         public boolean isFatalEnabled()
125         {
126             return false;
127         }
128     };
129 }
130
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