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Java™ Platform
Standard Ed. 7

DRAFT ea-b118

java.beans
Class VetoableChangeListenerProxy

java.lang.Object
  extended by java.util.EventListenerProxy<VetoableChangeListener>
      extended by java.beans.VetoableChangeListenerProxy
All Implemented Interfaces:
VetoableChangeListener, EventListener

public class VetoableChangeListenerProxy
extends EventListenerProxy<VetoableChangeListener>
implements VetoableChangeListener

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

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

Since:
1.4
See Also:
EventListenerProxy, VetoableChangeSupport.getVetoableChangeListeners()

Constructor Summary
Constructor and Description
VetoableChangeListenerProxy(String propertyName, VetoableChangeListener listener)
          Constructor which binds the VetoableChangeListener 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 vetoableChange(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

VetoableChangeListenerProxy

public VetoableChangeListenerProxy(String propertyName,
                                   VetoableChangeListener listener)
Constructor which binds the VetoableChangeListener to a specific property.

Parameters:
propertyName - the name of the property to listen on
listener - the listener object
Method Detail

vetoableChange

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

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

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

Java™ Platform
Standard Ed. 7

DRAFT ea-b118

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

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DRAFT ea-b118

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