oracle.dss.util
Class DefaultErrorHandler

java.lang.Object
  |
  +--oracle.dss.util.DefaultErrorHandler

All Implemented Interfaces:

ErrorHandler, java.io.Serializable

public class DefaultErrorHandler

extends java.lang.Object

implements ErrorHandler, java.io.Serializable

Default error handler. This is the default implementation of the ErrorHandler interface. This implementation simply dumps messages.

See Also:

Serialized Form

Field Summary

static int	SHOW_ALL Debug Mode: SHOW_ALL Show all messages.
static int	SHOW_ERROR Debug Mode: SHOW_ERROR Show error messages.
static int	SHOW_LOG Debug Mode: SHOW_LOG Show log messages.
static int	SHOW_NONE Debug Mode: SHOW_NONE Show no debug messages.
static int	SHOW_TRACE Debug Mode: SHOW_TRACE Show trace messages.

Constructor Summary

DefaultErrorHandler()

Method Summary

void	error(java.lang.Throwable e, java.lang.String _class, java.lang.String routine) Responds to trapped exceptions.
int	getDebugMode() Retrieves the debug mode for the error handler.
void	log(java.lang.String message, java.lang.String _class, java.lang.String routine) Responds to abnormal conditions that are not trapped exceptions.
void	resetDebugMode() Reset the debug mode settings of the DefaultErrorHandler back to the default settings.
void	setDebugMode(int mode) Specifies the debug mode for the error handler.
void	trace(java.lang.String message, java.lang.String _class, java.lang.String routine) Responds to trace messages.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SHOW_NONE

public static final int SHOW_NONE

Debug Mode: SHOW_NONE Show no debug messages.

SHOW_ERROR

public static final int SHOW_ERROR

Debug Mode: SHOW_ERROR Show error messages.

SHOW_LOG

public static final int SHOW_LOG

Debug Mode: SHOW_LOG Show log messages.

SHOW_TRACE

public static final int SHOW_TRACE

Debug Mode: SHOW_TRACE Show trace messages.

SHOW_ALL

public static final int SHOW_ALL

Debug Mode: SHOW_ALL Show all messages.

Constructor Detail

DefaultErrorHandler

public DefaultErrorHandler()

Method Detail

setDebugMode

public void setDebugMode(int mode)

Specifies the debug mode for the error handler. This method also allows user to set multiple debug mode. For example, to display both log messages and trace messages, call setDebugMode (DefaultErrorHandler.SHOW_TRACE+DefaultErrorHandler.SHOW_LOG)

Parameters:

mode - The debug mode for the error handler. Valid values are SHOW_TRACE, SHOW_LOG, SHOW_ERROR, SHOW_NONE , and SHOW_ALL.

getDebugMode

public int getDebugMode()

Retrieves the debug mode for the error handler. This method also allows user to get the debug mode.

Returns:

The debug mode for the error handler.

resetDebugMode

public void resetDebugMode()

Reset the debug mode settings of the DefaultErrorHandler back to the default settings. I.e, with all log, trace, and error messages are displayed.

error

public void error(java.lang.Throwable e,
                  java.lang.String _class,
                  java.lang.String routine)

Responds to trapped exceptions. This method prints the date, the class name, and the routine name. Then it prints the stack trace from the exception.

Specified by:

error in interface ErrorHandler

Parameters:

exception - The trapped exception.

_class - The name of the class in which the exception was caught.

routine - The name of the routine in which the exception was caught.

log

public void log(java.lang.String message,
                java.lang.String _class,
                java.lang.String routine)

Responds to abnormal conditions that are not trapped exceptions. This method prints the date, "PROBLEM: In ", the class name, the routine name, and the message.

Specified by:

log in interface ErrorHandler

Parameters:

message - A message that identifies the problem.

_class - The name of the class in which the problem occurred.

routine - The name of the routine in which the problem occurred.

trace

public void trace(java.lang.String message,
                  java.lang.String _class,
                  java.lang.String routine)

Responds to trace messages. This method prints the date, "TRACE: In ", the class name, the routine name, and the message.

Specified by:

trace in interface ErrorHandler

Parameters:

message - A message that describes the accomplishment.

_class - The name of the class in which the accomplishment occurred.

routine - The name of the routine in which the accomplishment occurred.