java.beans

Class PropertyChangeListenerProxy

java.lang.Object

java.util.EventListenerProxy<PropertyChangeListener>

java.beans.PropertyChangeListenerProxy

All Implemented Interfaces:

PropertyChangeListener, EventListener

public class PropertyChangeListenerProxy
extends EventListenerProxy<PropertyChangeListener>
implements PropertyChangeListener

A class which extends the EventListenerProxy specifically for adding a PropertyChangeListener with a "bound" property. Instances of this class can be added as PropertyChangeListeners to a bean which supports firing property change events.

If the object has a getPropertyChangeListeners method then the array returned could be a mixture of PropertyChangeListener and PropertyChangeListenerProxy objects.

Since:

1.4

See Also:

EventListenerProxy, PropertyChangeSupport.getPropertyChangeListeners()

Constructor Summary

Constructors

Constructor and Description
PropertyChangeListenerProxy(String propertyName, PropertyChangeListener listener) Constructor which binds the PropertyChangeListener to a specific property.

Method Summary

Modifier and Type	Method and Description
String	getPropertyName() Returns the name of the named property associated with the listener.
void	propertyChange(PropertyChangeEvent event) Forwards the property change event to the listener delegate.

Methods inherited from class java.util.EventListenerProxy

getListener

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyChangeListenerProxy

public PropertyChangeListenerProxy(String propertyName,
                                   PropertyChangeListener listener)

Constructor which binds the PropertyChangeListener to a specific property.

Parameters:

propertyName - the name of the property to listen on

listener - the listener object

Method Detail

propertyChange

public void propertyChange(PropertyChangeEvent event)

Forwards the property change event to the listener delegate.

Specified by:

propertyChange in interface PropertyChangeListener

Parameters:

event - the property change event

getPropertyName

public String getPropertyName()

Returns the name of the named property associated with the listener.

Returns:

the name of the named property associated with the listener