org.apache.log
public class Hierarchy extends Object
Constructor Summary | |
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Hierarchy()
Create a hierarchy object.
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Method Summary | |
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void | addLoggerListener(LoggerListener loggerListener)
Set the LoggerListener associated with hierarchy. |
static Hierarchy | getDefaultHierarchy()
Retrieve the default hierarchy.
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Logger | getLoggerFor(String category)
Retrieve a logger for named category.
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Logger | getRootLogger()
Utility method to retrieve logger for hierarchy.
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void | log(String message, Throwable throwable)
Logs an error message to error handler.
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void | log(String message)
Logs an error message to error handler.
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void | removeLoggerListener(LoggerListener loggerListener)
Remove the LoggerListener associated with hierarchy. |
void | setDefaultLogTarget(LogTarget target)
Set the default log target for hierarchy.
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void | setDefaultLogTargets(LogTarget[] targets)
Set the default log targets for this hierarchy.
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void | setDefaultPriority(Priority priority)
Set the default priority for hierarchy.
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void | setErrorHandler(ErrorHandler errorHandler)
Set the ErrorHandler associated with hierarchy.
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Parameters: loggerListener the LoggerListener
Throws: UnsupportedOperationException if no more LoggerListeners are permitted.
In most cases the default LogHierarchy is the only one used in an application. However when security is a concern or multiple independent applications will be running in same JVM it is advantageous to create new Hierarchies rather than reuse default.
Returns: the default Hierarchy
Parameters: category the context
Returns: the Logger
Returns: the Logger
Deprecated: Logging components should use ErrorHandler rather than Hierarchy.log()
Logs an error message to error handler. Default Error Handler is stderr.Parameters: message a message to log throwable a Throwable to log
Deprecated: Logging components should use ErrorHandler rather than Hierarchy.log()
Logs an error message to error handler. Default Error Handler is stderr.Parameters: message a message to log
Parameters: loggerListener the LoggerListener
Parameters: target the default target
Parameters: targets the default targets
Parameters: priority the default priority
Parameters: errorHandler the ErrorHandler