1/*
2 * Copyright 2001-2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17
18package org.apache.commons.logging.impl;
19
20
21import java.io.Serializable;
22import org.apache.commons.logging.Log;
23
24
25/**
26 * <p>Trivial implementation of Log that throws away all messages.  No
27 * configurable system properties are supported.</p>
28 *
29 * @author <a href="mailto:sanders@apache.org">Scott Sanders</a>
30 * @author Rod Waldhoff
31 * @version $Id: NoOpLog.java 155426 2005-02-26 13:10:49Z dirkv $
32 *
33 * @deprecated Please use {@link java.net.URL#openConnection} instead.
34 *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
35 *     for further details.
36 */
37@Deprecated
38public class NoOpLog implements Log, Serializable {
39
40    /** Convenience constructor */
41    public NoOpLog() { }
42    /** Base constructor */
43    public NoOpLog(String name) { }
44    /** Do nothing */
45    public void trace(Object message) { }
46    /** Do nothing */
47    public void trace(Object message, Throwable t) { }
48    /** Do nothing */
49    public void debug(Object message) { }
50    /** Do nothing */
51    public void debug(Object message, Throwable t) { }
52    /** Do nothing */
53    public void info(Object message) { }
54    /** Do nothing */
55    public void info(Object message, Throwable t) { }
56    /** Do nothing */
57    public void warn(Object message) { }
58    /** Do nothing */
59    public void warn(Object message, Throwable t) { }
60    /** Do nothing */
61    public void error(Object message) { }
62    /** Do nothing */
63    public void error(Object message, Throwable t) { }
64    /** Do nothing */
65    public void fatal(Object message) { }
66    /** Do nothing */
67    public void fatal(Object message, Throwable t) { }
68
69    /**
70     * Debug is never enabled.
71     *
72     * @return false
73     */
74    public final boolean isDebugEnabled() { return false; }
75
76    /**
77     * Error is never enabled.
78     *
79     * @return false
80     */
81    public final boolean isErrorEnabled() { return false; }
82
83    /**
84     * Fatal is never enabled.
85     *
86     * @return false
87     */
88    public final boolean isFatalEnabled() { return false; }
89
90    /**
91     * Info is never enabled.
92     *
93     * @return false
94     */
95    public final boolean isInfoEnabled() { return false; }
96
97    /**
98     * Trace is never enabled.
99     *
100     * @return false
101     */
102    public final boolean isTraceEnabled() { return false; }
103
104    /**
105     * Warn is never enabled.
106     *
107     * @return false
108     */
109    public final boolean isWarnEnabled() { return false; }
110
111}
112