JavaTM 2 Platform
Std. Ed. v1.4.2

Class VetoableChangeListenerProxy

  extended byjava.util.EventListenerProxy
      extended byjava.beans.VetoableChangeListenerProxy
All Implemented Interfaces:
EventListener, VetoableChangeListener

public class VetoableChangeListenerProxy
extends EventListenerProxy
implements VetoableChangeListener

A class which extends the EventListenerProxy specifically for associating a VetoableChangeListener with a "constrained" property. Instances of this class can be added as a VetoableChangeListener to a bean which supports firing VetoableChange events.

If the object has a getVetoableChangeListeners() method then the array returned could be a mixture of VetoableChangeListener and VetoableChangeListenerProxy objects.

See Also:
EventListenerProxy, VetoableChangeListener, VetoableChangeSupport.getVetoableChangeListeners()

Constructor Summary
VetoableChangeListenerProxy(String propertyName, VetoableChangeListener listener)
Method Summary
 String getPropertyName()
          Returns the name of the named property associated with the listener.
 void vetoableChange(PropertyChangeEvent evt)
          Forwards the property change event to the listener delegate.
Methods inherited from class java.util.EventListenerProxy
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail


public VetoableChangeListenerProxy(String propertyName,
                                   VetoableChangeListener listener)
propertyName - The name of the property to listen on.
listener - The listener object
Method Detail


public void vetoableChange(PropertyChangeEvent evt)
                    throws PropertyVetoException
Forwards the property change event to the listener delegate.

Specified by:
vetoableChange in interface VetoableChangeListener
evt - the property change event
PropertyVetoException - if the recipient wishes the property change to be rolled back.


public String getPropertyName()
Returns the name of the named property associated with the listener.

JavaTM 2 Platform
Std. Ed. v1.4.2

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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