Module io.github.astrapisixtynine.design.patterns.observer

Package io.github.astrapi69.design.pattern.observer.exception

Class ExceptionObservers

java.lang.Object

io.github.astrapi69.design.pattern.observer.exception.ExceptionObservers

public class ExceptionObservers
extends Object

The class ExceptionObservers is a singleton that manages a list of ExceptionListener objects It allows classes to register and unregister for exception events, and notifies registered listeners when an exception event occurs

Field Summary

Fields

Modifier and Type	Field	Description
protected List<ExceptionListener>	exceptionListeners	The list of registered exception listeners

Method Summary

Modifier and Type	Method	Description
void	addExceptionListener(ExceptionListener listener)	Adds the specified exception listener to the list of listeners This method allows classes to register for exception events
static ExceptionObservers	getInstance()	Gets the single instance of ExceptionObservers
void	removeExceptionListener(ExceptionListener listener)	Removes the specified exception listener from the list of listeners This method allows classes to unregister for exception events

Methods inherited from class java.lang.Object

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

Field Details

exceptionListeners

protected List<ExceptionListener> exceptionListeners

The list of registered exception listeners

Method Details

getInstance

public static ExceptionObservers getInstance()

Gets the single instance of ExceptionObservers

Returns:

the single instance of ExceptionObservers

addExceptionListener

public void addExceptionListener(ExceptionListener listener)

Adds the specified exception listener to the list of listeners This method allows classes to register for exception events

Parameters:

listener - the exception listener to be added

removeExceptionListener

public void removeExceptionListener(ExceptionListener listener)

Removes the specified exception listener from the list of listeners This method allows classes to unregister for exception events

Parameters:

listener - the exception listener to be removed