1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. 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, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package org.jboss.netty.logging;
17
18 /**
19 * <em>Internal-use-only</em> logger used by Netty. <strong>DO NOT</strong>
20 * access this class outside of Netty.
21 */
22 public interface InternalLogger {
23 /**
24 * Returns {@code true} if a DEBUG level message is logged.
25 */
26 boolean isDebugEnabled();
27
28 /**
29 * Returns {@code true} if an INFO level message is logged.
30 */
31 boolean isInfoEnabled();
32
33 /**
34 * Returns {@code true} if a WARN level message is logged.
35 */
36 boolean isWarnEnabled();
37
38 /**
39 * Returns {@code true} if an ERROR level message is logged.
40 */
41 boolean isErrorEnabled();
42
43 /**
44 * Returns {@code true} if the specified log level message is logged.
45 */
46 boolean isEnabled(InternalLogLevel level);
47
48 /**
49 * Logs a DEBUG level message.
50 */
51 void debug(String msg);
52
53 /**
54 * Logs a DEBUG level message.
55 */
56 void debug(String msg, Throwable cause);
57
58 /**
59 * Logs an INFO level message.
60 */
61 void info(String msg);
62
63 /**
64 * Logs an INFO level message.
65 */
66 void info(String msg, Throwable cause);
67
68 /**
69 * Logs a WARN level message.
70 */
71 void warn(String msg);
72
73 /**
74 * Logs a WARN level message.
75 */
76 void warn(String msg, Throwable cause);
77
78 /**
79 * Logs an ERROR level message.
80 */
81 void error(String msg);
82
83 /**
84 * Logs an ERROR level message.
85 */
86 void error(String msg, Throwable cause);
87
88 /**
89 * Logs a message.
90 */
91 void log(InternalLogLevel level, String msg);
92
93 /**
94 * Logs a message.
95 */
96 void log(InternalLogLevel level, String msg, Throwable cause);
97 }