VetoableChangeListenerProxy

java.beans

Class VetoableChangeListenerProxy

java.lang.Object
- java.util.EventListenerProxy<VetoableChangeListener>
- - 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

Constructors

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

Method Summary

All Methods

Instance Methods

Concrete Methods
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