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 import org.osgi.service.log.LogService;
19
20 /**
21 * <a href="http://www.osgi.org/">OSGi</a> {@link LogService} logger.
22 */
23 class OsgiLogger extends AbstractInternalLogger {
24
25 private final OsgiLoggerFactory parent;
26 private final InternalLogger fallback;
27 private final String name;
28 private final String prefix;
29
30 OsgiLogger(OsgiLoggerFactory parent, String name, InternalLogger fallback) {
31 this.parent = parent;
32 this.name = name;
33 this.fallback = fallback;
34 prefix = '[' + name + "] ";
35 }
36
37 public void debug(String msg) {
38 LogService logService = parent.getLogService();
39 if (logService != null) {
40 logService.log(LogService.LOG_DEBUG, prefix + msg);
41 } else {
42 fallback.debug(msg);
43 }
44 }
45
46 public void debug(String msg, Throwable cause) {
47 LogService logService = parent.getLogService();
48 if (logService != null) {
49 logService.log(LogService.LOG_DEBUG, prefix + msg, cause);
50 } else {
51 fallback.debug(msg, cause);
52 }
53 }
54
55 public void error(String msg) {
56 LogService logService = parent.getLogService();
57 if (logService != null) {
58 logService.log(LogService.LOG_ERROR, prefix + msg);
59 } else {
60 fallback.error(msg);
61 }
62 }
63
64 public void error(String msg, Throwable cause) {
65 LogService logService = parent.getLogService();
66 if (logService != null) {
67 logService.log(LogService.LOG_ERROR, prefix + msg, cause);
68 } else {
69 fallback.error(msg, cause);
70 }
71 }
72
73 public void info(String msg) {
74 LogService logService = parent.getLogService();
75 if (logService != null) {
76 logService.log(LogService.LOG_INFO, prefix + msg);
77 } else {
78 fallback.info(msg);
79 }
80 }
81
82 public void info(String msg, Throwable cause) {
83 LogService logService = parent.getLogService();
84 if (logService != null) {
85 logService.log(LogService.LOG_INFO, prefix + msg, cause);
86 } else {
87 fallback.info(msg, cause);
88 }
89 }
90
91 public boolean isDebugEnabled() {
92 return true;
93 }
94
95 public boolean isErrorEnabled() {
96 return true;
97 }
98
99 public boolean isInfoEnabled() {
100 return true;
101 }
102
103 public boolean isWarnEnabled() {
104 return true;
105 }
106
107 public void warn(String msg) {
108 LogService logService = parent.getLogService();
109 if (logService != null) {
110 logService.log(LogService.LOG_WARNING, prefix + msg);
111 } else {
112 fallback.warn(msg);
113 }
114 }
115
116 public void warn(String msg, Throwable cause) {
117 LogService logService = parent.getLogService();
118 if (logService != null) {
119 logService.log(LogService.LOG_WARNING, prefix + msg, cause);
120 } else {
121 fallback.warn(msg, cause);
122 }
123 }
124
125 @Override
126 public String toString() {
127 return name;
128 }
129 }
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