Source Code Cross Referenced for LoggerFactory.java in  » Development » SLF4J » org » slf4j » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Development » SLF4J » org.slf4j 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* 
002:         * Copyright (c) 2004-2007 QOS.ch
003:         * All rights reserved.
004:         * 
005:         * Permission is hereby granted, free  of charge, to any person obtaining
006:         * a  copy  of this  software  and  associated  documentation files  (the
007:         * "Software"), to  deal in  the Software without  restriction, including
008:         * without limitation  the rights to  use, copy, modify,  merge, publish,
009:         * distribute,  sublicense, and/or sell  copies of  the Software,  and to
010:         * permit persons to whom the Software  is furnished to do so, subject to
011:         * the following conditions:
012:         * 
013:         * The  above  copyright  notice  and  this permission  notice  shall  be
014:         * included in all copies or substantial portions of the Software.
015:         * 
016:         * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
017:         * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
018:         * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
019:         * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
020:         * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
021:         * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
022:         * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
023:         */
024:
025:        package org.slf4j;
026:
027:        import org.slf4j.helpers.Util;
028:        import org.slf4j.impl.StaticLoggerBinder;
029:
030:        /**
031:         * The <code>LoggerFactory</code> is a utility class producing Loggers for
032:         * various logging APIs, most notably for log4j, logback and JDK 1.4 logging. 
033:         * Other implementations such as {@link org.slf4j.impl.NOPLogger NOPLogger} and
034:         * {@link org.slf4j.impl.SimpleLogger SimpleLogger} are also supported.
035:         * 
036:         * <p>
037:         * <code>LoggerFactory</code> is essentially a wrapper around an
038:         * {@link ILoggerFactory} instance bound with <code>LoggerFactory</code> at
039:         * compile time.
040:         * 
041:         * <p>
042:         * Please note that all methods in <code>LoggerFactory</code> are static.
043:         * 
044:         * @author Ceki G&uuml;lc&uuml;
045:         */
046:        public final class LoggerFactory {
047:
048:            static ILoggerFactory loggerFactory;
049:
050:            static final String NO_STATICLOGGERBINDER_URL = "http://www.slf4j.org/codes.html#StaticLoggerBinder";
051:            static final String NULL_LF_URL = "http://www.slf4j.org/codes.html#null_LF";
052:
053:            // private constructor prevents instantiation
054:            private LoggerFactory() {
055:            }
056:
057:            static {
058:                try {
059:                    loggerFactory = StaticLoggerBinder.SINGLETON
060:                            .getLoggerFactory();
061:                } catch (NoClassDefFoundError ncde) {
062:                    String msg = ncde.getMessage();
063:                    if (msg != null
064:                            && msg.indexOf("org/slf4j/impl/StaticLoggerBinder") != -1) {
065:                        Util
066:                                .reportFailure("Failed to load class \"org.slf4j.impl.StaticLoggerBinder\".");
067:                        Util.reportFailure("See " + NO_STATICLOGGERBINDER_URL
068:                                + " for further details.");
069:
070:                    }
071:                    throw ncde;
072:                } catch (Exception e) {
073:                    // we should never get here
074:                    Util.reportFailure("Failed to instantiate logger ["
075:                            + StaticLoggerBinder.SINGLETON
076:                                    .getLoggerFactoryClassStr() + "]", e);
077:                }
078:            }
079:
080:            /**
081:             * Return a logger named according to the name parameter using the statically
082:             * bound {@link ILoggerFactory} instance.
083:             * 
084:             * @param name
085:             *          The name of the logger.
086:             * @return logger
087:             */
088:            public static Logger getLogger(String name) {
089:                if (loggerFactory == null) {
090:                    throw new IllegalStateException(
091:                            "Logging factory implementation cannot be null. See also "
092:                                    + NULL_LF_URL);
093:                }
094:                return loggerFactory.getLogger(name);
095:            }
096:
097:            /**
098:             * Return a logger named corresponding to the class passed as parameter, using
099:             * the statically bound {@link ILoggerFactory} instance.
100:             * 
101:             * @param clazz
102:             *          the returned logger will be named after clazz
103:             * @return logger
104:             */
105:            public static Logger getLogger(Class clazz) {
106:                if (loggerFactory == null) {
107:                    throw new IllegalStateException(
108:                            "Logging factory implementation cannot be null. See also "
109:                                    + NULL_LF_URL);
110:                }
111:                return loggerFactory.getLogger(clazz.getName());
112:            }
113:
114:            /**
115:             * Return the {@link ILoggerFactory} instance in use.
116:             * 
117:             * <p>ILoggerFactory instance is bound with this class at compile
118:             * time.
119:             * 
120:             * @return the ILoggerFactory instance in use
121:             */
122:            public static ILoggerFactory getILoggerFactory() {
123:                return loggerFactory;
124:            }
125:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.