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comparison src/org/eclipse/jetty/util/log/JavaUtilLog.java @ 802:3428c60d7cfc

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replace jetty jars with source
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:15:48 -0600
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801:6a21393191c1 802:3428c60d7cfc
1 //
2 // ========================================================================
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.util.log;
20
21 import java.util.logging.Level;
22
23 /**
24 * <p>
25 * Implementation of Jetty {@link Logger} based on {@link java.util.logging.Logger}.
26 * </p>
27 *
28 * <p>
29 * You can also set the logger level using <a href="http://java.sun.com/j2se/1.5.0/docs/guide/logging/overview.html">
30 * standard java.util.logging configuration</a>.
31 * </p>
32 */
33 public class JavaUtilLog extends AbstractLogger
34 {
35 private Level configuredLevel;
36 private java.util.logging.Logger _logger;
37
38 public JavaUtilLog()
39 {
40 this("org.eclipse.jetty.util.log");
41 }
42
43 public JavaUtilLog(String name)
44 {
45 _logger = java.util.logging.Logger.getLogger(name);
46 if (Boolean.parseBoolean(Log.__props.getProperty("org.eclipse.jetty.util.log.DEBUG", "false")))
47 {
48 _logger.setLevel(Level.FINE);
49 }
50 configuredLevel = _logger.getLevel();
51 }
52
53 public String getName()
54 {
55 return _logger.getName();
56 }
57
58 public void warn(String msg, Object... args)
59 {
60 _logger.log(Level.WARNING, format(msg, args));
61 }
62
63 public void warn(Throwable thrown)
64 {
65 warn("", thrown);
66 }
67
68 public void warn(String msg, Throwable thrown)
69 {
70 _logger.log(Level.WARNING, msg, thrown);
71 }
72
73 public void info(String msg, Object... args)
74 {
75 _logger.log(Level.INFO, format(msg, args));
76 }
77
78 public void info(Throwable thrown)
79 {
80 info("", thrown);
81 }
82
83 public void info(String msg, Throwable thrown)
84 {
85 _logger.log(Level.INFO, msg, thrown);
86 }
87
88 public boolean isDebugEnabled()
89 {
90 return _logger.isLoggable(Level.FINE);
91 }
92
93 public void setDebugEnabled(boolean enabled)
94 {
95 if (enabled)
96 {
97 configuredLevel = _logger.getLevel();
98 _logger.setLevel(Level.FINE);
99 }
100 else
101 {
102 _logger.setLevel(configuredLevel);
103 }
104 }
105
106 public void debug(String msg, Object... args)
107 {
108 _logger.log(Level.FINE, format(msg, args));
109 }
110
111 public void debug(Throwable thrown)
112 {
113 debug("", thrown);
114 }
115
116 public void debug(String msg, Throwable thrown)
117 {
118 _logger.log(Level.FINE, msg, thrown);
119 }
120
121 /**
122 * Create a Child Logger of this Logger.
123 */
124 protected Logger newLogger(String fullname)
125 {
126 return new JavaUtilLog(fullname);
127 }
128
129 public void ignore(Throwable ignored)
130 {
131 if (Log.isIgnored())
132 {
133 warn(Log.IGNORED, ignored);
134 }
135 }
136
137 private String format(String msg, Object... args)
138 {
139 msg = String.valueOf(msg); // Avoids NPE
140 String braces = "{}";
141 StringBuilder builder = new StringBuilder();
142 int start = 0;
143 for (Object arg : args)
144 {
145 int bracesIndex = msg.indexOf(braces, start);
146 if (bracesIndex < 0)
147 {
148 builder.append(msg.substring(start));
149 builder.append(" ");
150 builder.append(arg);
151 start = msg.length();
152 }
153 else
154 {
155 builder.append(msg.substring(start, bracesIndex));
156 builder.append(String.valueOf(arg));
157 start = bracesIndex + braces.length();
158 }
159 }
160 builder.append(msg.substring(start));
161 return builder.toString();
162 }
163 }