Java Doc for LoggerFactory.java in  » GIS » GeoTools-2.4.1 » org » geotools » util » logging » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.util.logging 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.geotools.util.logging.LoggerFactory

All known Subclasses:   org.geotools.util.logging.CommonsLoggerFactory,  org.geotools.util.logging.Log4JLoggerFactory,
LoggerFactory
abstract public class LoggerFactory (Code)
A factory for Java Logger wrapping an other logging framework. This factory is used only when wanting to log to an other framework than Java logging. The LoggerFactory.getLogger method returns some subclass of Logger (typicallly LoggerAdapter ) that forward directly all log methods to an other framework.
since:
   2.4
version:
   $Id: LoggerFactory.java 27891 2007-11-14 14:10:48Z desruisseaux $
author:
   Martin Desruisseaux
See Also:   Logging
See Also:   LoggerAdapter



Constructor Summary
protected  LoggerFactory(Class loggerClass)
     Creates a new factory.

Method Summary
abstract protected  ObjectgetImplementation(String name)
     Returns the implementation to use for the logger of the specified name.
public  ClassgetImplementationClass()
     Returns the base class of objects to be returned by LoggerFactory.getImplementation .
public  LoggergetLogger(String name)
     Returns the logger of the specified name, or null .
abstract protected  Objectunwrap(Logger logger)
     Returns the wrapped by the specified logger, or null if none.
abstract protected  Loggerwrap(String name, Object implementation)
     Wraps the specified in a Java logger.
Parameters:
  name - The name of the logger.
Parameters:
  implementation - An implementation returned by LoggerFactory.getImplementation.


Constructor Detail
LoggerFactory
protected LoggerFactory(Class loggerClass)(Code)
Creates a new factory.
Parameters:
  loggerClass - The class of the wrapped logger.




Method Detail
getImplementation
abstract protected Object getImplementation(String name)(Code)
Returns the implementation to use for the logger of the specified name. The object to be returned depends on the logging framework (Log4J, SLF4J, etc.). If the target framework redirects logging events to Java logging, then this method should returns null since we should not use wrapper at all.
Parameters:
  name - The name of the logger. The logger as an object of the target logging framework (Log4J, SLF4J,etc.), or null if the target framework would redirectto the Java logging framework.



getImplementationClass
public Class getImplementationClass()(Code)
Returns the base class of objects to be returned by LoggerFactory.getImplementation . The class depends on the underlying logging framework (Log4J, SLF4J, etc.).



getLogger
public Logger getLogger(String name)(Code)
Returns the logger of the specified name, or null . If this method has already been invoked previously with the same name argument, then it may returns the same logger provided that:
  • the logger has not yet been garbage collected;
  • the implementation instance (Log4J, SLF4J, etc.) returned by (name) has not changed.
Otherwise this method returns a new Logger instance, or null if the standard Java logging framework should be used.
Parameters:
  name - The name of the logger. The logger, or null .



unwrap
abstract protected Object unwrap(Logger logger)(Code)
Returns the wrapped by the specified logger, or null if none. If the specified logger is not an instance of the expected class, then this method should returns null .
Parameters:
  logger - The logger to test. The implementation wrapped by the specified logger, or null if none.



wrap
abstract protected Logger wrap(String name, Object implementation) throws ClassCastException(Code)
Wraps the specified in a Java logger.
Parameters:
  name - The name of the logger.
Parameters:
  implementation - An implementation returned by LoggerFactory.getImplementation. A new logger wrapping the specified implementation.
throws:
  ClassCastException - if the given implementation is not an instanceof the expected class.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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