org.gvsig.utils.exceptionHandling

Class ExceptionHandlingSupport

java.lang.Object

org.gvsig.utils.exceptionHandling.ExceptionHandlingSupport

public class ExceptionHandlingSupport
extends Object

Stores a group of ExceptionListener that, in whatever moment could be notified a Throwable Java error or exception.

ExceptionHandlingSupport is useful to manage a set of listeners that need to be executed when a particular error or exception in a object is produced. For instance, when user drags the mouse over a geometrical object in a view, it's possible that some ExceptionLister of that object and other nearby, must be notified. Using ExceptionHandlingSupport the developer can manage easily a set of that kind of listeners, that can change according to an external factor. (In the previous sample, for intance, can change according the closed objects to the one which this ExceptionHandlingSupport refers).

Constructor Summary

Constructors

Constructor and Description
ExceptionHandlingSupport()

Method Summary

Modifier and Type	Method and Description
void	addExceptionListener(ExceptionListener o) Adds a new ExceptionListener for adding support to it.
boolean	removeExceptionListener(ExceptionListener o) Removes an ExceptionListener for finishing the support to it.
void	throwException(Throwable t) Notifies all registered listeners that an error or exception throwable by the Java Virtual Machine has been produced.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionHandlingSupport

public ExceptionHandlingSupport()

Method Detail

addExceptionListener

public void addExceptionListener(ExceptionListener o)

Adds a new ExceptionListener for adding support to it.

Parameters:

o - listener adapted to be notified by the ExceptionHandlingSupport

removeExceptionListener

public boolean removeExceptionListener(ExceptionListener o)

Removes an ExceptionListener for finishing the support to it.

Parameters:

o - listener adapted to be notified by the ExceptionHandlingSupport

Returns:

true if the list contained the specified element, false otherwise

throwException

public void throwException(Throwable t)

Notifies all registered listeners that an error or exception throwable by the Java Virtual Machine has been produced.

Parameters:

t - an error or exception in the Java language